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_spec4_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:32,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:32,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:32,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:32,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:32,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:32,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:32,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:32,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:32,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:32,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:32,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:32,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:32,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:32,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:32,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:32,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:32,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:32,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:32,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:32,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:32,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:32,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:32,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:32,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:32,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:32,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:32,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:32,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:32,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:32,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:32,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:32,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:32,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:32,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:32,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:32,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:32,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:32,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:32,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:32,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:32,686 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 13:06:32,700 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:32,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:32,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:32,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:32,701 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:32,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:32,702 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:32,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:32,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:32,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:32,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:32,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:32,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:32,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:32,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:32,704 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:32,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:32,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:32,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:32,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:32,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:32,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:32,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:32,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:32,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:32,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:32,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:32,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:32,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:32,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:32,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:32,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:32,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:32,749 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:32,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-09-20 13:06:32,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd0e1974/8a1ea082b8e14fb79013c4abb9217457/FLAG9b6a3588d [2019-09-20 13:06:33,314 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:33,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-09-20 13:06:33,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd0e1974/8a1ea082b8e14fb79013c4abb9217457/FLAG9b6a3588d [2019-09-20 13:06:33,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd0e1974/8a1ea082b8e14fb79013c4abb9217457 [2019-09-20 13:06:33,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:33,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:33,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:33,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:33,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:33,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:33" (1/1) ... [2019-09-20 13:06:33,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29914bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:33, skipping insertion in model container [2019-09-20 13:06:33,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:33" (1/1) ... [2019-09-20 13:06:33,661 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:33,708 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:34,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:34,137 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:34,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:34,325 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:34,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34 WrapperNode [2019-09-20 13:06:34,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:34,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:34,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:34,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:34,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:34,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:34,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:34,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:34,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:34,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:34,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:34,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:34,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:34,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:34,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:34,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34" (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 13:06:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:06:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:06:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:35,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:35,486 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:35,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:35 BoogieIcfgContainer [2019-09-20 13:06:35,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:35,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:35,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:35,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:35,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:33" (1/3) ... [2019-09-20 13:06:35,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f45727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:35, skipping insertion in model container [2019-09-20 13:06:35,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34" (2/3) ... [2019-09-20 13:06:35,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f45727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:35, skipping insertion in model container [2019-09-20 13:06:35,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:35" (3/3) ... [2019-09-20 13:06:35,503 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2019-09-20 13:06:35,513 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:35,524 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:35,540 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:35,579 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:35,580 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:35,580 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:35,580 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:35,581 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:35,581 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:35,581 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:35,581 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:35,582 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-09-20 13:06:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:35,625 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:35,627 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 13:06:35,630 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:35,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:35,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1045855625, now seen corresponding path program 1 times [2019-09-20 13:06:35,639 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:35,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:35,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:35,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:35,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:35,980 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 13:06:35,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:35,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:35,988 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:36,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:36,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:36,008 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-09-20 13:06:36,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:36,055 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2019-09-20 13:06:36,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:36,057 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:36,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:36,077 INFO L225 Difference]: With dead ends: 292 [2019-09-20 13:06:36,077 INFO L226 Difference]: Without dead ends: 146 [2019-09-20 13:06:36,082 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 13:06:36,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-09-20 13:06:36,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-09-20 13:06:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-09-20 13:06:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-09-20 13:06:36,139 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2019-09-20 13:06:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:36,140 INFO L475 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-09-20 13:06:36,140 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-09-20 13:06:36,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:36,150 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:36,150 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 13:06:36,150 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:36,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:36,151 INFO L82 PathProgramCache]: Analyzing trace with hash -334246685, now seen corresponding path program 1 times [2019-09-20 13:06:36,151 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:36,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:36,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:36,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:36,315 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 13:06:36,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:36,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:36,317 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:36,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:36,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:36,318 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2019-09-20 13:06:36,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:36,348 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2019-09-20 13:06:36,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:36,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:36,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:36,352 INFO L225 Difference]: With dead ends: 241 [2019-09-20 13:06:36,352 INFO L226 Difference]: Without dead ends: 137 [2019-09-20 13:06:36,354 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 13:06:36,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-09-20 13:06:36,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-09-20 13:06:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-09-20 13:06:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2019-09-20 13:06:36,376 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2019-09-20 13:06:36,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:36,379 INFO L475 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2019-09-20 13:06:36,379 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2019-09-20 13:06:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:06:36,383 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:36,383 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] [2019-09-20 13:06:36,383 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:36,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:36,384 INFO L82 PathProgramCache]: Analyzing trace with hash 20699943, now seen corresponding path program 1 times [2019-09-20 13:06:36,384 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:36,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:36,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:36,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:36,481 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 13:06:36,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:36,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:36,483 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:36,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:36,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:36,484 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2019-09-20 13:06:36,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:36,520 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2019-09-20 13:06:36,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:36,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-20 13:06:36,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:36,528 INFO L225 Difference]: With dead ends: 250 [2019-09-20 13:06:36,528 INFO L226 Difference]: Without dead ends: 137 [2019-09-20 13:06:36,529 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 13:06:36,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-09-20 13:06:36,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-09-20 13:06:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-09-20 13:06:36,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2019-09-20 13:06:36,557 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 51 [2019-09-20 13:06:36,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:36,560 INFO L475 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2019-09-20 13:06:36,561 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:36,561 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2019-09-20 13:06:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-20 13:06:36,563 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:36,563 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:36,564 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:36,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:36,564 INFO L82 PathProgramCache]: Analyzing trace with hash 134260403, now seen corresponding path program 1 times [2019-09-20 13:06:36,568 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:36,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:36,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:36,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:36,733 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 13:06:36,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:36,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:06:36,734 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:06:36,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:06:36,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:06:36,735 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 5 states. [2019-09-20 13:06:37,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:37,356 INFO L93 Difference]: Finished difference Result 352 states and 425 transitions. [2019-09-20 13:06:37,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:37,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-20 13:06:37,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:37,360 INFO L225 Difference]: With dead ends: 352 [2019-09-20 13:06:37,361 INFO L226 Difference]: Without dead ends: 239 [2019-09-20 13:06:37,362 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:06:37,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-09-20 13:06:37,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2019-09-20 13:06:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-09-20 13:06:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2019-09-20 13:06:37,390 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 69 [2019-09-20 13:06:37,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:37,391 INFO L475 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2019-09-20 13:06:37,391 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:06:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2019-09-20 13:06:37,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-20 13:06:37,394 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:37,394 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, 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 13:06:37,394 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:37,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:37,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1484828875, now seen corresponding path program 1 times [2019-09-20 13:06:37,395 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:37,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:37,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:37,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:37,570 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 13:06:37,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:37,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:37,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:37,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:37,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:37,574 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 10 states. [2019-09-20 13:06:38,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:38,196 INFO L93 Difference]: Finished difference Result 703 states and 867 transitions. [2019-09-20 13:06:38,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:38,197 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-09-20 13:06:38,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:38,202 INFO L225 Difference]: With dead ends: 703 [2019-09-20 13:06:38,203 INFO L226 Difference]: Without dead ends: 506 [2019-09-20 13:06:38,204 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:06:38,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2019-09-20 13:06:38,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 496. [2019-09-20 13:06:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2019-09-20 13:06:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 582 transitions. [2019-09-20 13:06:38,252 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 582 transitions. Word has length 83 [2019-09-20 13:06:38,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:38,252 INFO L475 AbstractCegarLoop]: Abstraction has 496 states and 582 transitions. [2019-09-20 13:06:38,253 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 582 transitions. [2019-09-20 13:06:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-09-20 13:06:38,257 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:38,258 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:06:38,258 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:38,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash 27577775, now seen corresponding path program 1 times [2019-09-20 13:06:38,258 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:38,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:38,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:38,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:06:38,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:38,388 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 13:06:38,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-20 13:06:38,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-20 13:06:38,861 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:38,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 14 [2019-09-20 13:06:38,865 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-20 13:06:38,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-20 13:06:38,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:06:38,866 INFO L87 Difference]: Start difference. First operand 496 states and 582 transitions. Second operand 14 states. [2019-09-20 13:06:41,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:41,263 INFO L93 Difference]: Finished difference Result 1372 states and 1974 transitions. [2019-09-20 13:06:41,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-09-20 13:06:41,266 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 135 [2019-09-20 13:06:41,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:41,274 INFO L225 Difference]: With dead ends: 1372 [2019-09-20 13:06:41,274 INFO L226 Difference]: Without dead ends: 900 [2019-09-20 13:06:41,277 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=243, Invalid=1089, Unknown=0, NotChecked=0, Total=1332 [2019-09-20 13:06:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2019-09-20 13:06:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 639. [2019-09-20 13:06:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2019-09-20 13:06:41,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 760 transitions. [2019-09-20 13:06:41,342 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 760 transitions. Word has length 135 [2019-09-20 13:06:41,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:41,342 INFO L475 AbstractCegarLoop]: Abstraction has 639 states and 760 transitions. [2019-09-20 13:06:41,343 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-20 13:06:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 760 transitions. [2019-09-20 13:06:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-20 13:06:41,346 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:41,346 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:41,346 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:41,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:41,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1791700917, now seen corresponding path program 1 times [2019-09-20 13:06:41,347 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:41,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:41,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:06:41,447 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:41,447 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 13:06:41,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:06:41,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:41,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:41,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:06:41,709 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:41,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:41,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:41,710 INFO L87 Difference]: Start difference. First operand 639 states and 760 transitions. Second operand 11 states. [2019-09-20 13:06:41,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:41,764 INFO L93 Difference]: Finished difference Result 1148 states and 1404 transitions. [2019-09-20 13:06:41,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:41,765 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 131 [2019-09-20 13:06:41,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:41,769 INFO L225 Difference]: With dead ends: 1148 [2019-09-20 13:06:41,769 INFO L226 Difference]: Without dead ends: 533 [2019-09-20 13:06:41,772 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:41,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-09-20 13:06:41,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2019-09-20 13:06:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-09-20 13:06:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 634 transitions. [2019-09-20 13:06:41,807 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 634 transitions. Word has length 131 [2019-09-20 13:06:41,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:41,808 INFO L475 AbstractCegarLoop]: Abstraction has 533 states and 634 transitions. [2019-09-20 13:06:41,808 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:41,808 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 634 transitions. [2019-09-20 13:06:41,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-20 13:06:41,811 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:41,812 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:41,812 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:41,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:41,813 INFO L82 PathProgramCache]: Analyzing trace with hash -794012334, now seen corresponding path program 1 times [2019-09-20 13:06:41,813 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:41,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:41,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,961 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-09-20 13:06:41,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:41,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:06:41,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:06:41,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:06:41,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:06:41,964 INFO L87 Difference]: Start difference. First operand 533 states and 634 transitions. Second operand 9 states. [2019-09-20 13:06:42,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:42,830 INFO L93 Difference]: Finished difference Result 1426 states and 1739 transitions. [2019-09-20 13:06:42,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-20 13:06:42,830 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2019-09-20 13:06:42,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:42,837 INFO L225 Difference]: With dead ends: 1426 [2019-09-20 13:06:42,837 INFO L226 Difference]: Without dead ends: 917 [2019-09-20 13:06:42,839 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:06:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2019-09-20 13:06:42,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 914. [2019-09-20 13:06:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2019-09-20 13:06:42,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1078 transitions. [2019-09-20 13:06:42,897 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1078 transitions. Word has length 204 [2019-09-20 13:06:42,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:42,898 INFO L475 AbstractCegarLoop]: Abstraction has 914 states and 1078 transitions. [2019-09-20 13:06:42,898 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:06:42,898 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1078 transitions. [2019-09-20 13:06:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-09-20 13:06:42,902 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:42,903 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:42,903 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:42,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:42,903 INFO L82 PathProgramCache]: Analyzing trace with hash 314286646, now seen corresponding path program 1 times [2019-09-20 13:06:42,903 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:42,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:42,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:42,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:42,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-09-20 13:06:43,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:43,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:06:43,009 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:43,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:43,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:43,010 INFO L87 Difference]: Start difference. First operand 914 states and 1078 transitions. Second operand 6 states. [2019-09-20 13:06:43,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:43,188 INFO L93 Difference]: Finished difference Result 923 states and 1091 transitions. [2019-09-20 13:06:43,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:43,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 208 [2019-09-20 13:06:43,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:43,196 INFO L225 Difference]: With dead ends: 923 [2019-09-20 13:06:43,196 INFO L226 Difference]: Without dead ends: 920 [2019-09-20 13:06:43,197 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 13:06:43,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2019-09-20 13:06:43,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 914. [2019-09-20 13:06:43,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2019-09-20 13:06:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1076 transitions. [2019-09-20 13:06:43,259 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1076 transitions. Word has length 208 [2019-09-20 13:06:43,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:43,260 INFO L475 AbstractCegarLoop]: Abstraction has 914 states and 1076 transitions. [2019-09-20 13:06:43,260 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:43,260 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1076 transitions. [2019-09-20 13:06:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-09-20 13:06:43,266 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:43,267 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:06:43,267 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:43,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:43,267 INFO L82 PathProgramCache]: Analyzing trace with hash 426205906, now seen corresponding path program 1 times [2019-09-20 13:06:43,268 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:43,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:43,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:43,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:43,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 47 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-20 13:06:43,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:43,566 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:43,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:43,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:06:43,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:43,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:06:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 111 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:43,936 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:43,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2019-09-20 13:06:43,939 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-20 13:06:43,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-20 13:06:43,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:06:43,941 INFO L87 Difference]: Start difference. First operand 914 states and 1076 transitions. Second operand 15 states. [2019-09-20 13:06:45,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:45,887 INFO L93 Difference]: Finished difference Result 2424 states and 3130 transitions. [2019-09-20 13:06:45,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:06:45,887 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 226 [2019-09-20 13:06:45,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:45,899 INFO L225 Difference]: With dead ends: 2424 [2019-09-20 13:06:45,899 INFO L226 Difference]: Without dead ends: 1658 [2019-09-20 13:06:45,903 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2019-09-20 13:06:45,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2019-09-20 13:06:45,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1358. [2019-09-20 13:06:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1358 states. [2019-09-20 13:06:45,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 1582 transitions. [2019-09-20 13:06:45,993 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 1582 transitions. Word has length 226 [2019-09-20 13:06:45,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:45,994 INFO L475 AbstractCegarLoop]: Abstraction has 1358 states and 1582 transitions. [2019-09-20 13:06:45,994 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-20 13:06:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1582 transitions. [2019-09-20 13:06:46,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-09-20 13:06:46,000 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:46,001 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:06:46,001 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:46,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:46,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1607188140, now seen corresponding path program 1 times [2019-09-20 13:06:46,001 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:46,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:46,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-09-20 13:06:46,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:46,127 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:46,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:06:46,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-20 13:06:46,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:46,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:06:46,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:06:46,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:06:46,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:06:46,461 INFO L87 Difference]: Start difference. First operand 1358 states and 1582 transitions. Second operand 13 states. [2019-09-20 13:06:46,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:46,554 INFO L93 Difference]: Finished difference Result 1829 states and 2121 transitions. [2019-09-20 13:06:46,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:06:46,554 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2019-09-20 13:06:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:46,556 INFO L225 Difference]: With dead ends: 1829 [2019-09-20 13:06:46,556 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:46,560 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:06:46,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:46,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:46,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2019-09-20 13:06:46,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:46,562 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:46,562 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:06:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:46,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:46,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:47,563 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 11 [2019-09-20 13:06:47,893 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 20 [2019-09-20 13:06:48,340 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 28 [2019-09-20 13:06:48,466 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 17 [2019-09-20 13:06:48,608 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2019-09-20 13:06:48,798 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25 [2019-09-20 13:06:48,979 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-09-20 13:06:49,339 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 19 [2019-09-20 13:06:49,615 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-09-20 13:06:50,241 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2019-09-20 13:06:50,486 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 29 [2019-09-20 13:06:50,933 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 23 [2019-09-20 13:06:51,212 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2019-09-20 13:06:51,365 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:06:51,365 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:06:51,365 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-09-20 13:06:51,366 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-09-20 13:06:51,366 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:51,366 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-09-20 13:06:51,366 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:51,366 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:51,366 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-09-20 13:06:51,366 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-09-20 13:06:51,366 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 729 735) the Hoare annotation is: true [2019-09-20 13:06:51,367 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 729 735) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 736 744) no Hoare annotation was computed. [2019-09-20 13:06:51,367 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 736 744) the Hoare annotation is: true [2019-09-20 13:06:51,368 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 736 744) no Hoare annotation was computed. [2019-09-20 13:06:51,368 INFO L446 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2019-09-20 13:06:51,368 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-09-20 13:06:51,368 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 859 883) the Hoare annotation is: true [2019-09-20 13:06:51,368 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 859 883) no Hoare annotation was computed. [2019-09-20 13:06:51,368 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~pumpRunning~0)) (not (= ~waterLevel~0 1)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:06:51,368 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-09-20 13:06:51,368 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~pumpRunning~0)) (not (= ~waterLevel~0 1)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:06:51,368 INFO L443 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2019-09-20 13:06:51,368 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 880) no Hoare annotation was computed. [2019-09-20 13:06:51,368 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 859 883) no Hoare annotation was computed. [2019-09-20 13:06:51,369 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,369 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2019-09-20 13:06:51,369 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2019-09-20 13:06:51,369 INFO L439 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,369 INFO L439 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,369 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2019-09-20 13:06:51,370 INFO L443 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2019-09-20 13:06:51,370 INFO L443 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-09-20 13:06:51,370 INFO L439 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,370 INFO L439 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,370 INFO L439 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,370 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-09-20 13:06:51,370 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-09-20 13:06:51,370 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 916 939) no Hoare annotation was computed. [2019-09-20 13:06:51,370 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-09-20 13:06:51,370 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 916 939) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 916 939) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-09-20 13:06:51,371 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 688 706) the Hoare annotation is: true [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L446 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 688 706) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 688 706) no Hoare annotation was computed. [2019-09-20 13:06:51,372 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 648) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L443 ceAbstractionStarter]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L443 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L443 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 660) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L443 ceAbstractionStarter]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 722 728) no Hoare annotation was computed. [2019-09-20 13:06:51,373 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 722 728) the Hoare annotation is: true [2019-09-20 13:06:51,374 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:51,374 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:51,374 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:51,374 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-09-20 13:06:51,374 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:51,374 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:06:51,374 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:06:51,374 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:51,375 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:51,375 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,375 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2019-09-20 13:06:51,375 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2019-09-20 13:06:51,375 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2019-09-20 13:06:51,375 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2019-09-20 13:06:51,375 INFO L446 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2019-09-20 13:06:51,375 INFO L443 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2019-09-20 13:06:51,376 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2019-09-20 13:06:51,376 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,376 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2019-09-20 13:06:51,376 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2019-09-20 13:06:51,376 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-09-20 13:06:51,376 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 835 848) no Hoare annotation was computed. [2019-09-20 13:06:51,376 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 835 848) the Hoare annotation is: true [2019-09-20 13:06:51,377 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 835 848) no Hoare annotation was computed. [2019-09-20 13:06:51,377 INFO L443 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-09-20 13:06:51,377 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 593) no Hoare annotation was computed. [2019-09-20 13:06:51,377 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 572 596) no Hoare annotation was computed. [2019-09-20 13:06:51,377 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 572 596) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,377 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse1) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-09-20 13:06:51,377 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 572 596) no Hoare annotation was computed. [2019-09-20 13:06:51,378 INFO L439 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2019-09-20 13:06:51,378 INFO L439 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or (or (not (<= 2 ~waterLevel~0)) .cse1) .cse2))) [2019-09-20 13:06:51,378 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 588) no Hoare annotation was computed. [2019-09-20 13:06:51,378 INFO L439 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) .cse1) (or (or (not (<= 2 ~waterLevel~0)) .cse1) .cse0))) [2019-09-20 13:06:51,378 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 512 518) no Hoare annotation was computed. [2019-09-20 13:06:51,378 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 512 518) the Hoare annotation is: true [2019-09-20 13:06:51,379 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,379 INFO L439 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-09-20 13:06:51,379 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-09-20 13:06:51,379 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2019-09-20 13:06:51,379 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2019-09-20 13:06:51,379 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-09-20 13:06:51,379 INFO L439 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-09-20 13:06:51,380 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-09-20 13:06:51,380 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-09-20 13:06:51,380 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-09-20 13:06:51,380 INFO L439 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,380 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-09-20 13:06:51,380 INFO L439 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-09-20 13:06:51,380 INFO L443 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-09-20 13:06:51,380 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2019-09-20 13:06:51,381 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-09-20 13:06:51,381 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:51,381 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:51,381 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:51,381 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-09-20 13:06:51,381 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:06:51,381 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:06:51,381 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 849 857) no Hoare annotation was computed. [2019-09-20 13:06:51,382 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 849 857) the Hoare annotation is: true [2019-09-20 13:06:51,382 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 849 857) no Hoare annotation was computed. [2019-09-20 13:06:51,382 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-09-20 13:06:51,382 INFO L443 ceAbstractionStarter]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-09-20 13:06:51,382 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 803 825) no Hoare annotation was computed. [2019-09-20 13:06:51,382 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 803 825) no Hoare annotation was computed. [2019-09-20 13:06:51,382 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 803 825) no Hoare annotation was computed. [2019-09-20 13:06:51,382 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-09-20 13:06:51,382 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:51,383 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-09-20 13:06:51,383 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-09-20 13:06:51,383 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-09-20 13:06:51,383 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-09-20 13:06:51,383 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:51,383 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-09-20 13:06:51,383 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:06:51,383 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-09-20 13:06:51,383 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:51,384 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-09-20 13:06:51,384 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-09-20 13:06:51,384 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:06:51,384 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-09-20 13:06:51,384 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-09-20 13:06:51,384 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 712 721) no Hoare annotation was computed. [2019-09-20 13:06:51,384 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 712 721) no Hoare annotation was computed. [2019-09-20 13:06:51,384 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 712 721) no Hoare annotation was computed. [2019-09-20 13:06:51,384 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:51,385 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 13:06:51,385 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:51,385 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 597 604) no Hoare annotation was computed. [2019-09-20 13:06:51,385 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 604) no Hoare annotation was computed. [2019-09-20 13:06:51,385 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 597 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,385 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2019-09-20 13:06:51,385 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-09-20 13:06:51,385 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2019-09-20 13:06:51,386 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2019-09-20 13:06:51,386 INFO L446 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2019-09-20 13:06:51,386 INFO L443 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2019-09-20 13:06:51,386 INFO L443 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2019-09-20 13:06:51,386 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2019-09-20 13:06:51,386 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2019-09-20 13:06:51,386 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2019-09-20 13:06:51,386 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:51,387 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:06:51,387 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:51,387 INFO L443 ceAbstractionStarter]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2019-09-20 13:06:51,387 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 782 793) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse7 (not (<= 1 ~systemActive~0)))) (let ((.cse0 (or (not (<= 2 ~waterLevel~0)) .cse7)) (.cse5 (not .cse1)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not .cse6)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse6 (or .cse0 .cse5)) (or .cse3 .cse1 .cse2 .cse4 .cse7)))) [2019-09-20 13:06:51,387 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2019-09-20 13:06:51,387 INFO L439 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 0) (not (= |old(~waterLevel~0)| 1)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2019-09-20 13:06:51,388 INFO L439 ceAbstractionStarter]: At program point L499(lines 499 505) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse2) (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3) .cse1 (or (not (<= 2 |old(~waterLevel~0)|)) .cse2)))) [2019-09-20 13:06:51,388 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 511) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) .cse1))) [2019-09-20 13:06:51,388 INFO L439 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~systemActive~0)))) (let ((.cse0 (or (not (<= 2 |old(~waterLevel~0)|)) .cse2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0) (or .cse1 .cse0) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2)))) [2019-09-20 13:06:51,388 INFO L443 ceAbstractionStarter]: For program point L492(lines 491 510) no Hoare annotation was computed. [2019-09-20 13:06:51,388 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 511) no Hoare annotation was computed. [2019-09-20 13:06:51,388 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 511) no Hoare annotation was computed. [2019-09-20 13:06:51,389 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-09-20 13:06:51,389 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2019-09-20 13:06:51,389 INFO L446 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2019-09-20 13:06:51,389 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2019-09-20 13:06:51,389 INFO L446 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2019-09-20 13:06:51,389 INFO L443 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2019-09-20 13:06:51,389 INFO L446 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2019-09-20 13:06:51,389 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-09-20 13:06:51,390 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2019-09-20 13:06:51,390 INFO L446 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2019-09-20 13:06:51,390 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 794 802) the Hoare annotation is: true [2019-09-20 13:06:51,390 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2019-09-20 13:06:51,390 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2019-09-20 13:06:51,390 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 758 769) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~pumpRunning~0) (not (<= 1 ~systemActive~0)))) [2019-09-20 13:06:51,390 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2019-09-20 13:06:51,390 INFO L443 ceAbstractionStarter]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2019-09-20 13:06:51,391 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2019-09-20 13:06:51,391 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2019-09-20 13:06:51,391 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:51,391 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-09-20 13:06:51,391 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:06:51,391 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:51,391 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 520 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,392 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 520 544) no Hoare annotation was computed. [2019-09-20 13:06:51,392 INFO L439 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (or (not (<= 2 ~waterLevel~0)) .cse1) .cse0))) [2019-09-20 13:06:51,392 INFO L443 ceAbstractionStarter]: For program point L539-1(lines 520 544) no Hoare annotation was computed. [2019-09-20 13:06:51,392 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= ~pumpRunning~0 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,392 INFO L439 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) .cse1))) [2019-09-20 13:06:51,392 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 536) no Hoare annotation was computed. [2019-09-20 13:06:51,392 INFO L439 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:06:51,393 INFO L443 ceAbstractionStarter]: For program point L526-1(line 526) no Hoare annotation was computed. [2019-09-20 13:06:51,393 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 541) no Hoare annotation was computed. [2019-09-20 13:06:51,393 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2019-09-20 13:06:51,393 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2019-09-20 13:06:51,393 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 770 781) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2019-09-20 13:06:51,393 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 746 753) no Hoare annotation was computed. [2019-09-20 13:06:51,393 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2019-09-20 13:06:51,394 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 746 753) the Hoare annotation is: true [2019-09-20 13:06:51,394 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 746 753) no Hoare annotation was computed. [2019-09-20 13:06:51,394 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 546 570) no Hoare annotation was computed. [2019-09-20 13:06:51,394 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 546 570) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-09-20 13:06:51,394 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or .cse2 .cse3 (not (= ~waterLevel~0 1)) .cse1) (or (or (or (not (<= 2 ~waterLevel~0)) .cse1) .cse2) .cse3)))) [2019-09-20 13:06:51,394 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 546 570) no Hoare annotation was computed. [2019-09-20 13:06:51,394 INFO L439 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse1 (not (= ~waterLevel~0 1)) .cse0) (or (or (not (<= 2 ~waterLevel~0)) .cse0) .cse1))) [2019-09-20 13:06:51,395 INFO L439 ceAbstractionStarter]: At program point L556(line 556) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~5)) (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) .cse1) (or (or (not (<= 2 ~waterLevel~0)) .cse1) .cse0))) [2019-09-20 13:06:51,395 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 562) no Hoare annotation was computed. [2019-09-20 13:06:51,395 INFO L439 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (or (not (<= 2 ~waterLevel~0)) .cse1) .cse0))) [2019-09-20 13:06:51,395 INFO L443 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2019-09-20 13:06:51,395 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2019-09-20 13:06:51,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:06:51 BoogieIcfgContainer [2019-09-20 13:06:51,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:06:51,410 INFO L168 Benchmark]: Toolchain (without parser) took 17764.53 ms. Allocated memory was 133.7 MB in the beginning and 573.0 MB in the end (delta: 439.4 MB). Free memory was 88.5 MB in the beginning and 397.7 MB in the end (delta: -309.2 MB). Peak memory consumption was 379.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:51,411 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:06:51,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.86 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.3 MB in the beginning and 164.7 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:51,413 INFO L168 Benchmark]: Boogie Preprocessor took 87.23 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 160.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:51,414 INFO L168 Benchmark]: RCFGBuilder took 1074.35 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.4 MB in the beginning and 187.3 MB in the end (delta: -26.9 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:51,415 INFO L168 Benchmark]: TraceAbstraction took 15916.58 ms. Allocated memory was 226.5 MB in the beginning and 573.0 MB in the end (delta: 346.6 MB). Free memory was 187.3 MB in the beginning and 397.7 MB in the end (delta: -210.4 MB). Peak memory consumption was 385.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:51,419 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.86 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.3 MB in the beginning and 164.7 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.23 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 160.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1074.35 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.4 MB in the beginning and 187.3 MB in the end (delta: -26.9 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15916.58 ms. Allocated memory was 226.5 MB in the beginning and 573.0 MB in the end (delta: 346.6 MB). Free memory was 187.3 MB in the beginning and 397.7 MB in the end (delta: -210.4 MB). Peak memory consumption was 385.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 750]: 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: 420]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || (2 <= waterLevel && 0 == splverifierCounter)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. SAFE Result, 15.8s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 7.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2090 SDtfs, 1941 SDslu, 6514 SDs, 0 SdLazy, 5467 SolverSat, 942 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 882 GetRequests, 753 SyntacticMatches, 1 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1358occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 598 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2173 PreInvPairs, 2252 NumberOfFragments, 1311 HoareAnnotationTreeSize, 2173 FomulaSimplifications, 16459 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 66 FomulaSimplificationsInter, 12453 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2144 NumberOfCodeBlocks, 2144 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2129 ConstructedInterpolants, 0 QuantifiedInterpolants, 542408 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3749 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 758/826 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...