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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:24,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:24,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:24,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:24,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:24,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:24,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:24,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:24,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:24,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:24,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:24,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:24,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:24,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:24,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:24,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:24,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:24,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:24,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:24,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:24,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:24,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:24,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:24,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:24,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:24,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:24,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:24,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:24,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:24,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:24,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:24,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:24,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:24,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:24,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:24,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:24,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:24,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:24,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:24,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:24,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:24,786 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 [2019-09-20 13:04:24,801 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:24,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:24,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:24,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:24,803 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:24,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:24,803 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:24,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:24,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:24,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:24,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:24,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:24,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:24,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:24,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:24,805 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:24,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:24,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:24,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:24,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:24,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:24,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:24,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:24,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:24,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:24,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:24,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:24,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:24,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:24,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:24,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:24,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:24,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:24,852 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:24,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-20 13:04:24,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d56ecaada/b6a97fb6bb0a403498e372358564fa3f/FLAGcc13e0d47 [2019-09-20 13:04:25,399 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:25,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-20 13:04:25,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d56ecaada/b6a97fb6bb0a403498e372358564fa3f/FLAGcc13e0d47 [2019-09-20 13:04:25,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d56ecaada/b6a97fb6bb0a403498e372358564fa3f [2019-09-20 13:04:25,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:25,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:25,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:25,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:25,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:25,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:25" (1/1) ... [2019-09-20 13:04:25,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7f548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25, skipping insertion in model container [2019-09-20 13:04:25,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:25" (1/1) ... [2019-09-20 13:04:25,707 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:25,769 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:26,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:26,203 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:26,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:26,334 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:26,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26 WrapperNode [2019-09-20 13:04:26,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:26,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:26,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:26,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:26,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26" (1/1) ... [2019-09-20 13:04:26,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26" (1/1) ... [2019-09-20 13:04:26,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26" (1/1) ... [2019-09-20 13:04:26,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26" (1/1) ... [2019-09-20 13:04:26,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26" (1/1) ... [2019-09-20 13:04:26,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26" (1/1) ... [2019-09-20 13:04:26,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26" (1/1) ... [2019-09-20 13:04:26,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:26,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:26,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:26,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:26,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26" (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 [2019-09-20 13:04:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:04:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:04:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:04:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:04:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:04:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:04:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:04:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:04:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:04:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:04:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:04:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:04:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:04:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:04:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:04:27,646 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:04:27,646 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:04:27,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:27 BoogieIcfgContainer [2019-09-20 13:04:27,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:04:27,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:04:27,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:04:27,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:04:27,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:25" (1/3) ... [2019-09-20 13:04:27,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e33077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:27, skipping insertion in model container [2019-09-20 13:04:27,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26" (2/3) ... [2019-09-20 13:04:27,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e33077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:27, skipping insertion in model container [2019-09-20 13:04:27,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:27" (3/3) ... [2019-09-20 13:04:27,658 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2019-09-20 13:04:27,666 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:04:27,675 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:04:27,691 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:04:27,717 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:04:27,718 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:04:27,718 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:04:27,718 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:04:27,719 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:04:27,719 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:04:27,719 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:04:27,719 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:04:27,719 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:04:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-09-20 13:04:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:04:27,751 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:27,752 INFO L407 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] [2019-09-20 13:04:27,754 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:27,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:27,760 INFO L82 PathProgramCache]: Analyzing trace with hash -868868404, now seen corresponding path program 1 times [2019-09-20 13:04:27,762 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:27,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:27,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:27,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:28,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:28,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:04:28,114 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:04:28,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:04:28,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:28,130 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-09-20 13:04:28,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:28,183 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2019-09-20 13:04:28,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:04:28,186 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:04:28,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:28,204 INFO L225 Difference]: With dead ends: 300 [2019-09-20 13:04:28,205 INFO L226 Difference]: Without dead ends: 150 [2019-09-20 13:04:28,211 INFO L636 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 [2019-09-20 13:04:28,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-09-20 13:04:28,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-09-20 13:04:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-09-20 13:04:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2019-09-20 13:04:28,289 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2019-09-20 13:04:28,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:28,290 INFO L475 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2019-09-20 13:04:28,290 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:04:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2019-09-20 13:04:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:04:28,294 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:28,294 INFO L407 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] [2019-09-20 13:04:28,294 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:28,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:28,295 INFO L82 PathProgramCache]: Analyzing trace with hash -276167130, now seen corresponding path program 1 times [2019-09-20 13:04:28,295 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:28,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:28,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:28,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:28,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:28,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:04:28,430 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:04:28,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:04:28,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:28,431 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2019-09-20 13:04:28,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:28,469 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2019-09-20 13:04:28,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:04:28,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:04:28,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:28,472 INFO L225 Difference]: With dead ends: 239 [2019-09-20 13:04:28,472 INFO L226 Difference]: Without dead ends: 141 [2019-09-20 13:04:28,474 INFO L636 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 [2019-09-20 13:04:28,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-09-20 13:04:28,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-09-20 13:04:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-09-20 13:04:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2019-09-20 13:04:28,490 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2019-09-20 13:04:28,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:28,491 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2019-09-20 13:04:28,491 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:04:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2019-09-20 13:04:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:04:28,493 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:28,494 INFO L407 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] [2019-09-20 13:04:28,494 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:28,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:28,494 INFO L82 PathProgramCache]: Analyzing trace with hash 106155889, now seen corresponding path program 1 times [2019-09-20 13:04:28,495 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:28,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:28,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:28,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:28,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:28,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:28,633 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:28,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:28,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:28,634 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2019-09-20 13:04:29,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,190 INFO L93 Difference]: Finished difference Result 425 states and 512 transitions. [2019-09-20 13:04:29,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:04:29,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:04:29,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,195 INFO L225 Difference]: With dead ends: 425 [2019-09-20 13:04:29,195 INFO L226 Difference]: Without dead ends: 308 [2019-09-20 13:04:29,197 INFO L636 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 [2019-09-20 13:04:29,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-09-20 13:04:29,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 296. [2019-09-20 13:04:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-09-20 13:04:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 356 transitions. [2019-09-20 13:04:29,232 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 356 transitions. Word has length 52 [2019-09-20 13:04:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,233 INFO L475 AbstractCegarLoop]: Abstraction has 296 states and 356 transitions. [2019-09-20 13:04:29,233 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 356 transitions. [2019-09-20 13:04:29,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:04:29,236 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,236 INFO L407 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] [2019-09-20 13:04:29,237 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1448124188, now seen corresponding path program 1 times [2019-09-20 13:04:29,237 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:29,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:29,401 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:29,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:29,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:29,402 INFO L87 Difference]: Start difference. First operand 296 states and 356 transitions. Second operand 6 states. [2019-09-20 13:04:29,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,637 INFO L93 Difference]: Finished difference Result 825 states and 1016 transitions. [2019-09-20 13:04:29,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:29,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-20 13:04:29,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,645 INFO L225 Difference]: With dead ends: 825 [2019-09-20 13:04:29,645 INFO L226 Difference]: Without dead ends: 553 [2019-09-20 13:04:29,652 INFO L636 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 [2019-09-20 13:04:29,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-09-20 13:04:29,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2019-09-20 13:04:29,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2019-09-20 13:04:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 662 transitions. [2019-09-20 13:04:29,726 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 662 transitions. Word has length 57 [2019-09-20 13:04:29,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,728 INFO L475 AbstractCegarLoop]: Abstraction has 547 states and 662 transitions. [2019-09-20 13:04:29,732 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:29,732 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 662 transitions. [2019-09-20 13:04:29,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:04:29,741 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,746 INFO L407 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] [2019-09-20 13:04:29,746 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,746 INFO L82 PathProgramCache]: Analyzing trace with hash -432580704, now seen corresponding path program 1 times [2019-09-20 13:04:29,746 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:29,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:29,892 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:29,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:29,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:29,894 INFO L87 Difference]: Start difference. First operand 547 states and 662 transitions. Second operand 7 states. [2019-09-20 13:04:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,610 INFO L93 Difference]: Finished difference Result 1406 states and 1819 transitions. [2019-09-20 13:04:30,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:04:30,610 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-09-20 13:04:30,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,616 INFO L225 Difference]: With dead ends: 1406 [2019-09-20 13:04:30,616 INFO L226 Difference]: Without dead ends: 883 [2019-09-20 13:04:30,618 INFO L636 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 [2019-09-20 13:04:30,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2019-09-20 13:04:30,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 785. [2019-09-20 13:04:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-09-20 13:04:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 947 transitions. [2019-09-20 13:04:30,675 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 947 transitions. Word has length 61 [2019-09-20 13:04:30,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,675 INFO L475 AbstractCegarLoop]: Abstraction has 785 states and 947 transitions. [2019-09-20 13:04:30,675 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 947 transitions. [2019-09-20 13:04:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:04:30,678 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,679 INFO L407 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] [2019-09-20 13:04:30,679 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,679 INFO L82 PathProgramCache]: Analyzing trace with hash -2030363971, now seen corresponding path program 1 times [2019-09-20 13:04:30,679 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:30,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:30,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:30,775 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:30,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:30,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:30,776 INFO L87 Difference]: Start difference. First operand 785 states and 947 transitions. Second operand 6 states. [2019-09-20 13:04:30,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,839 INFO L93 Difference]: Finished difference Result 1574 states and 1958 transitions. [2019-09-20 13:04:30,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:30,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-09-20 13:04:30,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,848 INFO L225 Difference]: With dead ends: 1574 [2019-09-20 13:04:30,848 INFO L226 Difference]: Without dead ends: 813 [2019-09-20 13:04:30,850 INFO L636 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 [2019-09-20 13:04:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2019-09-20 13:04:30,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 805. [2019-09-20 13:04:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2019-09-20 13:04:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2019-09-20 13:04:30,904 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 99 [2019-09-20 13:04:30,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,904 INFO L475 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2019-09-20 13:04:30,905 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2019-09-20 13:04:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:04:30,910 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,910 INFO L407 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] [2019-09-20 13:04:30,910 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1136877633, now seen corresponding path program 1 times [2019-09-20 13:04:30,911 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:31,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:31,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:04:31,016 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:04:31,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:04:31,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:31,017 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 8 states. [2019-09-20 13:04:31,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:31,075 INFO L93 Difference]: Finished difference Result 1614 states and 1998 transitions. [2019-09-20 13:04:31,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:31,075 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-09-20 13:04:31,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:31,081 INFO L225 Difference]: With dead ends: 1614 [2019-09-20 13:04:31,081 INFO L226 Difference]: Without dead ends: 833 [2019-09-20 13:04:31,083 INFO L636 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 [2019-09-20 13:04:31,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2019-09-20 13:04:31,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 821. [2019-09-20 13:04:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2019-09-20 13:04:31,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 983 transitions. [2019-09-20 13:04:31,132 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 983 transitions. Word has length 99 [2019-09-20 13:04:31,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:31,132 INFO L475 AbstractCegarLoop]: Abstraction has 821 states and 983 transitions. [2019-09-20 13:04:31,132 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:04:31,132 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 983 transitions. [2019-09-20 13:04:31,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:04:31,137 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:31,138 INFO L407 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] [2019-09-20 13:04:31,138 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:31,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:31,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1144636992, now seen corresponding path program 1 times [2019-09-20 13:04:31,138 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:31,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:31,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:31,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:31,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:04:31,243 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:04:31,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:04:31,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:31,244 INFO L87 Difference]: Start difference. First operand 821 states and 983 transitions. Second operand 4 states. [2019-09-20 13:04:31,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:31,509 INFO L93 Difference]: Finished difference Result 2603 states and 3266 transitions. [2019-09-20 13:04:31,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:04:31,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-09-20 13:04:31,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:31,521 INFO L225 Difference]: With dead ends: 2603 [2019-09-20 13:04:31,522 INFO L226 Difference]: Without dead ends: 1806 [2019-09-20 13:04:31,525 INFO L636 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 [2019-09-20 13:04:31,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2019-09-20 13:04:31,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1775. [2019-09-20 13:04:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2019-09-20 13:04:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2179 transitions. [2019-09-20 13:04:31,633 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2179 transitions. Word has length 99 [2019-09-20 13:04:31,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:31,634 INFO L475 AbstractCegarLoop]: Abstraction has 1775 states and 2179 transitions. [2019-09-20 13:04:31,634 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:04:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2179 transitions. [2019-09-20 13:04:31,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:04:31,638 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:31,638 INFO L407 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] [2019-09-20 13:04:31,639 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:31,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:31,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1694878310, now seen corresponding path program 1 times [2019-09-20 13:04:31,639 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:31,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:31,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:04:31,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:31,808 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:31,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:32,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:32,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:32,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:32,217 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:32,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:32,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:32,218 INFO L87 Difference]: Start difference. First operand 1775 states and 2179 transitions. Second operand 19 states. [2019-09-20 13:04:33,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,650 INFO L93 Difference]: Finished difference Result 3496 states and 4338 transitions. [2019-09-20 13:04:33,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:33,651 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2019-09-20 13:04:33,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,660 INFO L225 Difference]: With dead ends: 3496 [2019-09-20 13:04:33,660 INFO L226 Difference]: Without dead ends: 1745 [2019-09-20 13:04:33,666 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:33,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2019-09-20 13:04:33,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1745. [2019-09-20 13:04:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1745 states. [2019-09-20 13:04:33,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2097 transitions. [2019-09-20 13:04:33,764 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2097 transitions. Word has length 103 [2019-09-20 13:04:33,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:33,765 INFO L475 AbstractCegarLoop]: Abstraction has 1745 states and 2097 transitions. [2019-09-20 13:04:33,765 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2097 transitions. [2019-09-20 13:04:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-20 13:04:33,772 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:33,772 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-09-20 13:04:33,773 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:33,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:33,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1284440909, now seen corresponding path program 1 times [2019-09-20 13:04:33,773 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:33,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:33,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:04:34,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:34,028 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:34,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:34,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:04:34,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Stream closed [2019-09-20 13:04:34,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:34,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:04:34,370 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:04:34,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:04:34,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:04:34,371 INFO L87 Difference]: Start difference. First operand 1745 states and 2097 transitions. Second operand 16 states. [2019-09-20 13:04:37,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:37,811 INFO L93 Difference]: Finished difference Result 6218 states and 8517 transitions. [2019-09-20 13:04:37,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:04:37,815 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 157 [2019-09-20 13:04:37,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:37,864 INFO L225 Difference]: With dead ends: 6218 [2019-09-20 13:04:37,864 INFO L226 Difference]: Without dead ends: 4821 [2019-09-20 13:04:37,879 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:04:37,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2019-09-20 13:04:38,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4061. [2019-09-20 13:04:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4061 states. [2019-09-20 13:04:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4061 states to 4061 states and 4987 transitions. [2019-09-20 13:04:38,333 INFO L78 Accepts]: Start accepts. Automaton has 4061 states and 4987 transitions. Word has length 157 [2019-09-20 13:04:38,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:38,334 INFO L475 AbstractCegarLoop]: Abstraction has 4061 states and 4987 transitions. [2019-09-20 13:04:38,334 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:04:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 4061 states and 4987 transitions. [2019-09-20 13:04:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-20 13:04:38,342 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:38,343 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-09-20 13:04:38,343 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:38,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:38,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1009681295, now seen corresponding path program 1 times [2019-09-20 13:04:38,344 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:38,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:38,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:38,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:38,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:04:38,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:38,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:04:38,473 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:04:38,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:04:38,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:38,474 INFO L87 Difference]: Start difference. First operand 4061 states and 4987 transitions. Second operand 9 states. [2019-09-20 13:04:38,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:38,584 INFO L93 Difference]: Finished difference Result 5053 states and 6185 transitions. [2019-09-20 13:04:38,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:04:38,585 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-09-20 13:04:38,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:38,586 INFO L225 Difference]: With dead ends: 5053 [2019-09-20 13:04:38,586 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:04:38,599 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:38,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:04:38,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:04:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:04:38,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:04:38,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-09-20 13:04:38,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:38,601 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:04:38,602 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:04:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:04:38,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:04:38,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:04:40,067 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2019-09-20 13:04:40,175 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2019-09-20 13:04:40,511 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-09-20 13:04:40,634 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2019-09-20 13:04:40,862 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 36 [2019-09-20 13:04:41,100 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2019-09-20 13:04:41,336 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 30 [2019-09-20 13:04:41,798 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 42 [2019-09-20 13:04:41,956 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2019-09-20 13:04:42,149 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 27 [2019-09-20 13:04:42,383 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-09-20 13:04:42,498 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2019-09-20 13:04:42,649 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 20 [2019-09-20 13:04:42,769 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2019-09-20 13:04:43,060 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2019-09-20 13:04:43,746 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2019-09-20 13:04:44,355 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2019-09-20 13:04:44,814 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2019-09-20 13:04:44,856 INFO L443 ceAbstractionStarter]: For program point L380(lines 357 381) no Hoare annotation was computed. [2019-09-20 13:04:44,857 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 333 388) no Hoare annotation was computed. [2019-09-20 13:04:44,857 INFO L443 ceAbstractionStarter]: For program point L364(lines 364 368) no Hoare annotation was computed. [2019-09-20 13:04:44,857 INFO L443 ceAbstractionStarter]: For program point L364-1(lines 364 368) no Hoare annotation was computed. [2019-09-20 13:04:44,857 INFO L443 ceAbstractionStarter]: For program point L359(line 359) no Hoare annotation was computed. [2019-09-20 13:04:44,857 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 333 388) no Hoare annotation was computed. [2019-09-20 13:04:44,857 INFO L443 ceAbstractionStarter]: For program point L358-2(lines 358 379) no Hoare annotation was computed. [2019-09-20 13:04:44,857 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 333 388) no Hoare annotation was computed. [2019-09-20 13:04:44,858 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-09-20 13:04:44,858 INFO L443 ceAbstractionStarter]: For program point L415-2(lines 415 440) no Hoare annotation was computed. [2019-09-20 13:04:44,858 INFO L443 ceAbstractionStarter]: For program point L441(lines 414 442) no Hoare annotation was computed. [2019-09-20 13:04:44,858 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 389 448) no Hoare annotation was computed. [2019-09-20 13:04:44,858 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-20 13:04:44,858 INFO L443 ceAbstractionStarter]: For program point L434-1(line 434) no Hoare annotation was computed. [2019-09-20 13:04:44,858 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 389 448) no Hoare annotation was computed. [2019-09-20 13:04:44,859 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 389 448) no Hoare annotation was computed. [2019-09-20 13:04:44,859 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 425) no Hoare annotation was computed. [2019-09-20 13:04:44,859 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 421 425) no Hoare annotation was computed. [2019-09-20 13:04:44,859 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 985 991) the Hoare annotation is: true [2019-09-20 13:04:44,859 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 985 991) no Hoare annotation was computed. [2019-09-20 13:04:44,859 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 992 1000) no Hoare annotation was computed. [2019-09-20 13:04:44,859 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 992 1000) the Hoare annotation is: true [2019-09-20 13:04:44,859 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 992 1000) no Hoare annotation was computed. [2019-09-20 13:04:44,860 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-09-20 13:04:44,860 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-09-20 13:04:44,860 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:44,862 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:44,862 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:44,863 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:44,863 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-09-20 13:04:44,863 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-09-20 13:04:44,863 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:44,863 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:44,863 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-09-20 13:04:44,864 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:04:44,864 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-09-20 13:04:44,865 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:04:44,865 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-09-20 13:04:44,865 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:04:44,865 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-09-20 13:04:44,865 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-09-20 13:04:44,866 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 943 957) no Hoare annotation was computed. [2019-09-20 13:04:44,867 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 943 957) the Hoare annotation is: (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse5 .cse6 (not (<= 1 ~waterLevel~0)) .cse4) (or .cse0 .cse5 .cse6 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse6 .cse2) .cse5))) [2019-09-20 13:04:44,867 INFO L439 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or (or .cse0 .cse4 .cse5) .cse6) (or .cse6 (or .cse4 .cse5 .cse3)))) [2019-09-20 13:04:44,867 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 943 957) no Hoare annotation was computed. [2019-09-20 13:04:44,867 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-09-20 13:04:44,867 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 860 868) no Hoare annotation was computed. [2019-09-20 13:04:44,867 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 860 868) the Hoare annotation is: true [2019-09-20 13:04:44,867 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 860 868) no Hoare annotation was computed. [2019-09-20 13:04:44,867 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 924 942) the Hoare annotation is: true [2019-09-20 13:04:44,867 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 924 942) no Hoare annotation was computed. [2019-09-20 13:04:44,867 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 937) no Hoare annotation was computed. [2019-09-20 13:04:44,867 INFO L446 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: true [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point L931-1(line 931) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 924 942) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 896) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point L888-2(lines 888 896) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 869 904) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 884) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point L876-2(lines 876 884) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 869 904) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point L899(line 899) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 869 904) no Hoare annotation was computed. [2019-09-20 13:04:44,868 INFO L443 ceAbstractionStarter]: For program point L899-1(line 899) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 978 984) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 978 984) the Hoare annotation is: true [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 287 332) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 287 332) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 287 332) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 600 645) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 627) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 600 645) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 634) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 600 645) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 634) no Hoare annotation was computed. [2019-09-20 13:04:44,869 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:44,870 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-09-20 13:04:44,870 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-09-20 13:04:44,870 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 849 859) the Hoare annotation is: true [2019-09-20 13:04:44,870 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 849 859) no Hoare annotation was computed. [2019-09-20 13:04:44,870 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 849 859) no Hoare annotation was computed. [2019-09-20 13:04:44,870 INFO L446 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2019-09-20 13:04:44,870 INFO L443 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2019-09-20 13:04:44,870 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-09-20 13:04:44,871 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2019-09-20 13:04:44,871 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2019-09-20 13:04:44,871 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2019-09-20 13:04:44,871 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 229 242) no Hoare annotation was computed. [2019-09-20 13:04:44,871 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 229 242) the Hoare annotation is: true [2019-09-20 13:04:44,871 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 229 242) no Hoare annotation was computed. [2019-09-20 13:04:44,871 INFO L439 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~7))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse5 .cse1 .cse4 .cse2))) [2019-09-20 13:04:44,872 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 806) no Hoare annotation was computed. [2019-09-20 13:04:44,872 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse3) (or .cse5 .cse1 .cse2 .cse0) (or .cse4 .cse1 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse5 .cse4 .cse1 .cse2))) [2019-09-20 13:04:44,872 INFO L443 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2019-09-20 13:04:44,872 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 811) no Hoare annotation was computed. [2019-09-20 13:04:44,872 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 790 814) no Hoare annotation was computed. [2019-09-20 13:04:44,872 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 790 814) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-09-20 13:04:44,873 INFO L439 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:44,873 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 790 814) no Hoare annotation was computed. [2019-09-20 13:04:44,873 INFO L439 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:44,873 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 756 762) no Hoare annotation was computed. [2019-09-20 13:04:44,873 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 756 762) the Hoare annotation is: true [2019-09-20 13:04:44,873 INFO L439 ceAbstractionStarter]: At program point L706-1(lines 698 713) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:44,874 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 658 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:44,874 INFO L443 ceAbstractionStarter]: For program point L669(lines 668 717) no Hoare annotation was computed. [2019-09-20 13:04:44,874 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:44,874 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 713) no Hoare annotation was computed. [2019-09-20 13:04:44,874 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 658 725) no Hoare annotation was computed. [2019-09-20 13:04:44,874 INFO L439 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:44,875 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-09-20 13:04:44,875 INFO L443 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2019-09-20 13:04:44,875 INFO L439 ceAbstractionStarter]: At program point L715(lines 668 717) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse3 (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:44,875 INFO L439 ceAbstractionStarter]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (and (and .cse0 .cse1 .cse2) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse1 .cse2) .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-09-20 13:04:44,875 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2019-09-20 13:04:44,875 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2019-09-20 13:04:44,875 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2019-09-20 13:04:44,876 INFO L439 ceAbstractionStarter]: At program point L718(lines 667 719) 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))) [2019-09-20 13:04:44,876 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:44,876 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 658 725) no Hoare annotation was computed. [2019-09-20 13:04:44,876 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-09-20 13:04:44,876 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 581) no Hoare annotation was computed. [2019-09-20 13:04:44,876 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 554 599) no Hoare annotation was computed. [2019-09-20 13:04:44,876 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 588) no Hoare annotation was computed. [2019-09-20 13:04:44,877 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 588) no Hoare annotation was computed. [2019-09-20 13:04:44,877 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 554 599) no Hoare annotation was computed. [2019-09-20 13:04:44,877 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 554 599) no Hoare annotation was computed. [2019-09-20 13:04:44,877 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 815 822) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:04:44,877 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 815 822) no Hoare annotation was computed. [2019-09-20 13:04:44,877 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 815 822) no Hoare annotation was computed. [2019-09-20 13:04:44,877 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 243 251) no Hoare annotation was computed. [2019-09-20 13:04:44,877 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 243 251) the Hoare annotation is: true [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 243 251) no Hoare annotation was computed. [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 197 219) no Hoare annotation was computed. [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 197 219) no Hoare annotation was computed. [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 197 219) no Hoare annotation was computed. [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 451 553) no Hoare annotation was computed. [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 550) no Hoare annotation was computed. [2019-09-20 13:04:44,878 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 506) no Hoare annotation was computed. [2019-09-20 13:04:44,879 INFO L443 ceAbstractionStarter]: For program point L500-2(lines 500 520) no Hoare annotation was computed. [2019-09-20 13:04:44,879 INFO L443 ceAbstractionStarter]: For program point L521(lines 499 522) no Hoare annotation was computed. [2019-09-20 13:04:44,879 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 451 553) no Hoare annotation was computed. [2019-09-20 13:04:44,879 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 496) no Hoare annotation was computed. [2019-09-20 13:04:44,879 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 547) no Hoare annotation was computed. [2019-09-20 13:04:44,879 INFO L443 ceAbstractionStarter]: For program point L501(lines 500 520) no Hoare annotation was computed. [2019-09-20 13:04:44,879 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-09-20 13:04:44,879 INFO L443 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2019-09-20 13:04:44,880 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 451 553) no Hoare annotation was computed. [2019-09-20 13:04:44,880 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 538) no Hoare annotation was computed. [2019-09-20 13:04:44,880 INFO L443 ceAbstractionStarter]: For program point L516(line 516) no Hoare annotation was computed. [2019-09-20 13:04:44,880 INFO L443 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-09-20 13:04:44,880 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 968 977) no Hoare annotation was computed. [2019-09-20 13:04:44,880 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 968 977) no Hoare annotation was computed. [2019-09-20 13:04:44,880 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 968 977) no Hoare annotation was computed. [2019-09-20 13:04:44,880 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:44,881 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:04:44,881 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:44,881 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 837) no Hoare annotation was computed. [2019-09-20 13:04:44,881 INFO L439 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2019-09-20 13:04:44,882 INFO L443 ceAbstractionStarter]: For program point L829-1(line 829) no Hoare annotation was computed. [2019-09-20 13:04:44,882 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 824 840) no Hoare annotation was computed. [2019-09-20 13:04:44,882 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 824 840) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2019-09-20 13:04:44,882 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~8))))) [2019-09-20 13:04:44,882 INFO L443 ceAbstractionStarter]: For program point L835-1(lines 824 840) no Hoare annotation was computed. [2019-09-20 13:04:44,882 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 220 228) no Hoare annotation was computed. [2019-09-20 13:04:44,882 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2019-09-20 13:04:44,883 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2019-09-20 13:04:44,883 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 905 923) no Hoare annotation was computed. [2019-09-20 13:04:44,883 INFO L446 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: true [2019-09-20 13:04:44,883 INFO L443 ceAbstractionStarter]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2019-09-20 13:04:44,883 INFO L443 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2019-09-20 13:04:44,883 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 905 923) the Hoare annotation is: true [2019-09-20 13:04:44,883 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 905 923) no Hoare annotation was computed. [2019-09-20 13:04:44,883 INFO L443 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2019-09-20 13:04:44,884 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (let ((.cse5 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse1 (not (= ~waterLevel~0 1))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 (or .cse0 .cse4 .cse2)) (or (or .cse5 .cse0 .cse4) .cse6) (or .cse5 .cse0 .cse6 .cse1) (or (or (= ~systemActive~0 0) .cse4 .cse2) .cse3))) [2019-09-20 13:04:44,884 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2019-09-20 13:04:44,885 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2019-09-20 13:04:44,885 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:44,885 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:04:44,885 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:44,885 INFO L443 ceAbstractionStarter]: For program point L736(lines 735 754) no Hoare annotation was computed. [2019-09-20 13:04:44,885 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 732 755) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse7 (= ~pumpRunning~0 0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse2 .cse5) .cse6) (or .cse3 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or .cse0 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse6 (or .cse0 .cse4 .cse2))))) [2019-09-20 13:04:44,885 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 732 755) no Hoare annotation was computed. [2019-09-20 13:04:44,886 INFO L439 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~systemActive~0)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse6 (= ~pumpRunning~0 0) .cse7)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 (or .cse0 .cse4 .cse5)) (or (and .cse6 .cse7) (or .cse1 .cse5 .cse8)) (or (or .cse4 .cse5 .cse8) .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse8)))) [2019-09-20 13:04:44,886 INFO L439 ceAbstractionStarter]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse7 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse9 .cse10)) (.cse6 (and .cse8 .cse10)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse2 .cse5) .cse6 (and .cse7 .cse8)) (or .cse3 .cse1 (and .cse7 .cse9 (not (= 0 ~systemActive~0))) (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or .cse0 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse6 (or .cse0 .cse4 .cse2))))) [2019-09-20 13:04:44,886 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 732 755) no Hoare annotation was computed. [2019-09-20 13:04:44,886 INFO L439 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5) (or .cse3 (or .cse6 .cse0 .cse1)))) [2019-09-20 13:04:44,886 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-09-20 13:04:44,887 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-09-20 13:04:44,887 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-09-20 13:04:44,887 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-09-20 13:04:44,887 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-09-20 13:04:44,887 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-09-20 13:04:44,887 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-09-20 13:04:44,887 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-09-20 13:04:44,887 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-09-20 13:04:44,888 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-09-20 13:04:44,888 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2019-09-20 13:04:44,889 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2019-09-20 13:04:44,889 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2019-09-20 13:04:44,889 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:44,889 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2019-09-20 13:04:44,889 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2019-09-20 13:04:44,889 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-09-20 13:04:44,889 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-09-20 13:04:44,889 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:44,890 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)) [2019-09-20 13:04:44,890 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:44,890 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:44,890 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 958 965) no Hoare annotation was computed. [2019-09-20 13:04:44,890 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 958 965) the Hoare annotation is: true [2019-09-20 13:04:44,890 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 958 965) no Hoare annotation was computed. [2019-09-20 13:04:44,890 INFO L443 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2019-09-20 13:04:44,891 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 764 788) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-09-20 13:04:44,891 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 785) no Hoare annotation was computed. [2019-09-20 13:04:44,891 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 764 788) no Hoare annotation was computed. [2019-09-20 13:04:44,891 INFO L439 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0))))) [2019-09-20 13:04:44,891 INFO L443 ceAbstractionStarter]: For program point L783-1(lines 764 788) no Hoare annotation was computed. [2019-09-20 13:04:44,891 INFO L439 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0))) (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3))) [2019-09-20 13:04:44,891 INFO L439 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 (or .cse0 .cse1 .cse6 .cse3)) (or (or .cse4 .cse0 .cse1 .cse6) .cse5))) [2019-09-20 13:04:44,892 INFO L443 ceAbstractionStarter]: For program point L772(lines 772 780) no Hoare annotation was computed. [2019-09-20 13:04:44,892 INFO L439 ceAbstractionStarter]: At program point L770(line 770) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-09-20 13:04:44,892 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2019-09-20 13:04:44,892 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2019-09-20 13:04:44,892 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (= ~systemActive~0 0) .cse4) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse3 .cse4))) [2019-09-20 13:04:44,892 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 647 654) no Hoare annotation was computed. [2019-09-20 13:04:44,892 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 647 654) the Hoare annotation is: true [2019-09-20 13:04:44,893 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2019-09-20 13:04:44,893 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 647 654) no Hoare annotation was computed. [2019-09-20 13:04:44,893 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 255 279) the Hoare annotation is: true [2019-09-20 13:04:44,893 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 255 279) no Hoare annotation was computed. [2019-09-20 13:04:44,893 INFO L439 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (<= 1 ~waterLevel~0))) (or .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-09-20 13:04:44,893 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 273) no Hoare annotation was computed. [2019-09-20 13:04:44,893 INFO L439 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-09-20 13:04:44,893 INFO L443 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2019-09-20 13:04:44,894 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 276) no Hoare annotation was computed. [2019-09-20 13:04:44,894 INFO L443 ceAbstractionStarter]: For program point L263-1(lines 255 279) no Hoare annotation was computed. [2019-09-20 13:04:44,894 INFO L446 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2019-09-20 13:04:44,894 INFO L443 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2019-09-20 13:04:44,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:04:44 BoogieIcfgContainer [2019-09-20 13:04:44,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:04:44,922 INFO L168 Benchmark]: Toolchain (without parser) took 19230.34 ms. Allocated memory was 131.1 MB in the beginning and 589.3 MB in the end (delta: 458.2 MB). Free memory was 85.9 MB in the beginning and 447.3 MB in the end (delta: -361.4 MB). Peak memory consumption was 483.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:44,923 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:04:44,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.60 ms. Allocated memory was 131.1 MB in the beginning and 197.1 MB in the end (delta: 66.1 MB). Free memory was 85.7 MB in the beginning and 161.5 MB in the end (delta: -75.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:44,930 INFO L168 Benchmark]: Boogie Preprocessor took 92.77 ms. Allocated memory is still 197.1 MB. Free memory was 161.5 MB in the beginning and 157.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:44,931 INFO L168 Benchmark]: RCFGBuilder took 1219.76 ms. Allocated memory was 197.1 MB in the beginning and 218.1 MB in the end (delta: 21.0 MB). Free memory was 157.1 MB in the beginning and 185.6 MB in the end (delta: -28.4 MB). Peak memory consumption was 92.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:44,932 INFO L168 Benchmark]: TraceAbstraction took 17270.21 ms. Allocated memory was 218.1 MB in the beginning and 589.3 MB in the end (delta: 371.2 MB). Free memory was 184.2 MB in the beginning and 447.3 MB in the end (delta: -263.1 MB). Peak memory consumption was 494.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:44,943 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.60 ms. Allocated memory was 131.1 MB in the beginning and 197.1 MB in the end (delta: 66.1 MB). Free memory was 85.7 MB in the beginning and 161.5 MB in the end (delta: -75.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.77 ms. Allocated memory is still 197.1 MB. Free memory was 161.5 MB in the beginning and 157.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.76 ms. Allocated memory was 197.1 MB in the beginning and 218.1 MB in the end (delta: 21.0 MB). Free memory was 157.1 MB in the beginning and 185.6 MB in the end (delta: -28.4 MB). Peak memory consumption was 92.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17270.21 ms. Allocated memory was 218.1 MB in the beginning and 589.3 MB in the end (delta: 371.2 MB). Free memory was 184.2 MB in the beginning and 447.3 MB in the end (delta: -263.1 MB). Peak memory consumption was 494.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: 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: 667]: 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: 668]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && !(0 == systemActive))) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. SAFE Result, 17.1s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 7.1s AutomataDifference, 0.0s DeadEndRemovalTime, 6.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2207 SDtfs, 2063 SDslu, 7475 SDs, 0 SdLazy, 4575 SolverSat, 824 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4061occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 927 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 4790 PreInvPairs, 4995 NumberOfFragments, 2266 HoareAnnotationTreeSize, 4790 FomulaSimplifications, 12420 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 68 FomulaSimplificationsInter, 19401 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1237 NumberOfCodeBlocks, 1237 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 226858 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1692 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 114/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...