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_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:37:25,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:37:25,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:37:25,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:37:25,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:37:25,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:37:25,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:37:25,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:37:25,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:37:25,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:37:25,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:37:25,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:37:25,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:37:25,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:37:25,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:37:25,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:37:25,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:37:25,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:37:25,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:37:25,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:37:25,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:37:25,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:37:25,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:37:25,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:37:25,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:37:25,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:37:25,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:37:25,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:37:25,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:37:25,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:37:25,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:37:25,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:37:25,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:37:25,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:37:25,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:37:25,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:37:25,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:37:25,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:37:25,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:37:25,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:37:25,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:37:25,695 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 [2019-09-16 16:37:25,710 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:37:25,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:37:25,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:37:25,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:37:25,712 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:37:25,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:37:25,712 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:37:25,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:37:25,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:37:25,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:37:25,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:37:25,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:37:25,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:37:25,715 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:37:25,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:37:25,715 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:37:25,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:37:25,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:37:25,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:37:25,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:37:25,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:37:25,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:37:25,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:37:25,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:37:25,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:37:25,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:37:25,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:37:25,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:37:25,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:37:25,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:37:25,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:37:25,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:37:25,794 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:37:25,794 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:37:25,795 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product61.cil.c [2019-09-16 16:37:25,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc25b076f/4d53a93e5bc349b78fa921434daa4219/FLAG94dc131e3 [2019-09-16 16:37:26,377 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:37:26,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product61.cil.c [2019-09-16 16:37:26,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc25b076f/4d53a93e5bc349b78fa921434daa4219/FLAG94dc131e3 [2019-09-16 16:37:26,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc25b076f/4d53a93e5bc349b78fa921434daa4219 [2019-09-16 16:37:26,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:37:26,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:37:26,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:37:26,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:37:26,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:37:26,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:37:26" (1/1) ... [2019-09-16 16:37:26,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d29c02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:26, skipping insertion in model container [2019-09-16 16:37:26,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:37:26" (1/1) ... [2019-09-16 16:37:26,757 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:37:26,823 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:37:27,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:37:27,309 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:37:27,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:37:27,449 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:37:27,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27 WrapperNode [2019-09-16 16:37:27,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:37:27,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:37:27,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:37:27,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:37:27,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27" (1/1) ... [2019-09-16 16:37:27,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27" (1/1) ... [2019-09-16 16:37:27,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27" (1/1) ... [2019-09-16 16:37:27,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27" (1/1) ... [2019-09-16 16:37:27,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27" (1/1) ... [2019-09-16 16:37:27,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27" (1/1) ... [2019-09-16 16:37:27,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27" (1/1) ... [2019-09-16 16:37:27,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:37:27,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:37:27,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:37:27,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:37:27,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27" (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 [2019-09-16 16:37:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:37:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:37:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:37:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:37:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:37:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:37:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:37:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:37:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:37:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:37:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:37:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 16:37:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:37:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:37:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:37:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:37:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:37:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:37:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:37:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:37:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:37:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:37:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:37:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:37:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:37:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:37:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:37:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:37:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:37:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:37:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 16:37:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:37:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:37:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:37:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:37:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:37:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:37:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:37:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:37:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:37:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:37:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:37:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:37:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:37:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:37:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:37:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:37:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:37:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:37:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:37:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:37:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:37:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:37:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:37:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:37:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:37:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:37:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:37:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:37:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:37:27,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 16:37:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:37:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:37:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:37:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:37:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:37:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 16:37:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:37:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:37:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:37:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:37:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:37:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:37:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:37:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:37:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:37:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:37:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:37:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:37:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:37:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:37:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:37:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:37:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:37:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:37:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:37:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:37:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:37:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:37:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:37:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:37:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:37:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:37:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:37:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:37:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:37:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:37:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:37:28,753 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:37:28,754 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:37:28,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:37:28 BoogieIcfgContainer [2019-09-16 16:37:28,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:37:28,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:37:28,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:37:28,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:37:28,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:37:26" (1/3) ... [2019-09-16 16:37:28,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5027e567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:37:28, skipping insertion in model container [2019-09-16 16:37:28,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:27" (2/3) ... [2019-09-16 16:37:28,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5027e567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:37:28, skipping insertion in model container [2019-09-16 16:37:28,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:37:28" (3/3) ... [2019-09-16 16:37:28,765 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2019-09-16 16:37:28,776 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:37:28,789 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:37:28,806 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:37:28,844 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:37:28,845 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:37:28,845 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:37:28,846 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:37:28,846 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:37:28,846 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:37:28,846 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:37:28,846 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:37:28,846 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:37:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2019-09-16 16:37:28,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 16:37:28,889 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:28,890 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] [2019-09-16 16:37:28,893 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:28,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:28,899 INFO L82 PathProgramCache]: Analyzing trace with hash -389891839, now seen corresponding path program 1 times [2019-09-16 16:37:28,901 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:28,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:28,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:28,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:28,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:29,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:29,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:37:29,321 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:37:29,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:37:29,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:37:29,340 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2019-09-16 16:37:29,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:29,398 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2019-09-16 16:37:29,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:37:29,404 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 16:37:29,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:29,419 INFO L225 Difference]: With dead ends: 306 [2019-09-16 16:37:29,419 INFO L226 Difference]: Without dead ends: 153 [2019-09-16 16:37:29,424 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 [2019-09-16 16:37:29,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-09-16 16:37:29,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-09-16 16:37:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-09-16 16:37:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2019-09-16 16:37:29,480 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 46 [2019-09-16 16:37:29,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:29,480 INFO L475 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2019-09-16 16:37:29,481 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:37:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2019-09-16 16:37:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 16:37:29,484 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:29,485 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] [2019-09-16 16:37:29,485 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:29,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:29,485 INFO L82 PathProgramCache]: Analyzing trace with hash 999791911, now seen corresponding path program 1 times [2019-09-16 16:37:29,486 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:29,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:29,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:29,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:29,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:29,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:29,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:37:29,599 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:37:29,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:37:29,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:37:29,601 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2019-09-16 16:37:29,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:29,655 INFO L93 Difference]: Finished difference Result 255 states and 301 transitions. [2019-09-16 16:37:29,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:37:29,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 16:37:29,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:29,665 INFO L225 Difference]: With dead ends: 255 [2019-09-16 16:37:29,666 INFO L226 Difference]: Without dead ends: 144 [2019-09-16 16:37:29,669 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 [2019-09-16 16:37:29,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-09-16 16:37:29,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-09-16 16:37:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-09-16 16:37:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2019-09-16 16:37:29,686 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 47 [2019-09-16 16:37:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:29,686 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2019-09-16 16:37:29,686 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:37:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2019-09-16 16:37:29,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 16:37:29,690 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:29,690 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] [2019-09-16 16:37:29,691 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:29,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:29,691 INFO L82 PathProgramCache]: Analyzing trace with hash -314490359, now seen corresponding path program 1 times [2019-09-16 16:37:29,691 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:29,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:29,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:29,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:29,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:29,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:29,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:37:29,856 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:37:29,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:37:29,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:37:29,857 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2019-09-16 16:37:30,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:30,219 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2019-09-16 16:37:30,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:37:30,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-16 16:37:30,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:30,223 INFO L225 Difference]: With dead ends: 264 [2019-09-16 16:37:30,223 INFO L226 Difference]: Without dead ends: 144 [2019-09-16 16:37:30,224 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:37:30,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-09-16 16:37:30,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-09-16 16:37:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-09-16 16:37:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-09-16 16:37:30,243 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 51 [2019-09-16 16:37:30,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:30,243 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-09-16 16:37:30,243 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:37:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-09-16 16:37:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-16 16:37:30,247 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:30,247 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] [2019-09-16 16:37:30,248 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:30,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:30,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1957039538, now seen corresponding path program 1 times [2019-09-16 16:37:30,248 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:30,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:30,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:30,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:30,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:30,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:30,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:37:30,442 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:37:30,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:37:30,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:37:30,443 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2019-09-16 16:37:31,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:31,009 INFO L93 Difference]: Finished difference Result 376 states and 452 transitions. [2019-09-16 16:37:31,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:37:31,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-16 16:37:31,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:31,016 INFO L225 Difference]: With dead ends: 376 [2019-09-16 16:37:31,019 INFO L226 Difference]: Without dead ends: 256 [2019-09-16 16:37:31,020 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 [2019-09-16 16:37:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2019-09-16 16:37:31,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2019-09-16 16:37:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-09-16 16:37:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 268 transitions. [2019-09-16 16:37:31,060 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 268 transitions. Word has length 69 [2019-09-16 16:37:31,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:31,061 INFO L475 AbstractCegarLoop]: Abstraction has 238 states and 268 transitions. [2019-09-16 16:37:31,061 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:37:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 268 transitions. [2019-09-16 16:37:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-16 16:37:31,064 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:31,064 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] [2019-09-16 16:37:31,064 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:31,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:31,065 INFO L82 PathProgramCache]: Analyzing trace with hash 868877799, now seen corresponding path program 1 times [2019-09-16 16:37:31,065 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:31,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:31,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:31,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:31,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:31,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:31,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 16:37:31,243 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 16:37:31,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 16:37:31,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:37:31,245 INFO L87 Difference]: Start difference. First operand 238 states and 268 transitions. Second operand 10 states. [2019-09-16 16:37:31,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:31,899 INFO L93 Difference]: Finished difference Result 771 states and 939 transitions. [2019-09-16 16:37:31,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-16 16:37:31,900 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-09-16 16:37:31,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:31,906 INFO L225 Difference]: With dead ends: 771 [2019-09-16 16:37:31,906 INFO L226 Difference]: Without dead ends: 557 [2019-09-16 16:37:31,908 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 [2019-09-16 16:37:31,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2019-09-16 16:37:31,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 547. [2019-09-16 16:37:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2019-09-16 16:37:31,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 636 transitions. [2019-09-16 16:37:31,958 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 636 transitions. Word has length 83 [2019-09-16 16:37:31,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:31,959 INFO L475 AbstractCegarLoop]: Abstraction has 547 states and 636 transitions. [2019-09-16 16:37:31,959 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 16:37:31,959 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 636 transitions. [2019-09-16 16:37:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-09-16 16:37:31,963 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:31,963 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, 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] [2019-09-16 16:37:31,964 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:31,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:31,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1619741770, now seen corresponding path program 1 times [2019-09-16 16:37:31,964 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:31,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:31,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:31,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:31,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-16 16:37:32,067 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:32,068 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 [2019-09-16 16:37:32,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:32,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-16 16:37:32,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream closed [2019-09-16 16:37:32,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:32,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-09-16 16:37:32,545 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-16 16:37:32,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-16 16:37:32,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-16 16:37:32,546 INFO L87 Difference]: Start difference. First operand 547 states and 636 transitions. Second operand 12 states. [2019-09-16 16:37:34,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:34,918 INFO L93 Difference]: Finished difference Result 1537 states and 2043 transitions. [2019-09-16 16:37:34,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-16 16:37:34,919 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 162 [2019-09-16 16:37:34,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:34,927 INFO L225 Difference]: With dead ends: 1537 [2019-09-16 16:37:34,927 INFO L226 Difference]: Without dead ends: 1014 [2019-09-16 16:37:34,930 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2019-09-16 16:37:34,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2019-09-16 16:37:34,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 932. [2019-09-16 16:37:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2019-09-16 16:37:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1131 transitions. [2019-09-16 16:37:35,001 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1131 transitions. Word has length 162 [2019-09-16 16:37:35,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:35,002 INFO L475 AbstractCegarLoop]: Abstraction has 932 states and 1131 transitions. [2019-09-16 16:37:35,002 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-16 16:37:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1131 transitions. [2019-09-16 16:37:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-16 16:37:35,006 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:35,006 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, 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] [2019-09-16 16:37:35,006 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:35,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:35,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1165071670, now seen corresponding path program 1 times [2019-09-16 16:37:35,007 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:35,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:35,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:35,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:35,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-16 16:37:35,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:35,161 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 [2019-09-16 16:37:35,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:35,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-16 16:37:35,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-16 16:37:35,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:35,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-16 16:37:35,402 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-16 16:37:35,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-16 16:37:35,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:35,403 INFO L87 Difference]: Start difference. First operand 932 states and 1131 transitions. Second operand 11 states. [2019-09-16 16:37:35,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:35,477 INFO L93 Difference]: Finished difference Result 1658 states and 2062 transitions. [2019-09-16 16:37:35,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:37:35,478 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2019-09-16 16:37:35,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:35,483 INFO L225 Difference]: With dead ends: 1658 [2019-09-16 16:37:35,484 INFO L226 Difference]: Without dead ends: 750 [2019-09-16 16:37:35,487 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:35,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2019-09-16 16:37:35,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 750. [2019-09-16 16:37:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2019-09-16 16:37:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 901 transitions. [2019-09-16 16:37:35,535 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 901 transitions. Word has length 146 [2019-09-16 16:37:35,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:35,536 INFO L475 AbstractCegarLoop]: Abstraction has 750 states and 901 transitions. [2019-09-16 16:37:35,536 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-16 16:37:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 901 transitions. [2019-09-16 16:37:35,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-16 16:37:35,538 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:35,539 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, 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] [2019-09-16 16:37:35,539 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:35,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:35,540 INFO L82 PathProgramCache]: Analyzing trace with hash 667358703, now seen corresponding path program 1 times [2019-09-16 16:37:35,540 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:35,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:35,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:35,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:35,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-16 16:37:35,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:35,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 16:37:35,663 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:37:35,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:37:35,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:37:35,663 INFO L87 Difference]: Start difference. First operand 750 states and 901 transitions. Second operand 9 states. [2019-09-16 16:37:36,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:36,696 INFO L93 Difference]: Finished difference Result 2009 states and 2473 transitions. [2019-09-16 16:37:36,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-16 16:37:36,697 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2019-09-16 16:37:36,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:36,706 INFO L225 Difference]: With dead ends: 2009 [2019-09-16 16:37:36,706 INFO L226 Difference]: Without dead ends: 1283 [2019-09-16 16:37:36,710 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:37:36,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2019-09-16 16:37:36,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1280. [2019-09-16 16:37:36,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1280 states. [2019-09-16 16:37:36,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1524 transitions. [2019-09-16 16:37:36,790 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1524 transitions. Word has length 150 [2019-09-16 16:37:36,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:36,791 INFO L475 AbstractCegarLoop]: Abstraction has 1280 states and 1524 transitions. [2019-09-16 16:37:36,791 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:37:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1524 transitions. [2019-09-16 16:37:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-16 16:37:36,794 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:36,794 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:36,794 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:36,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:36,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1954732917, now seen corresponding path program 1 times [2019-09-16 16:37:36,795 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:36,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:36,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:36,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:36,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-16 16:37:36,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:36,994 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 [2019-09-16 16:37:37,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:37,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-16 16:37:37,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:37:37,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:37,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-16 16:37:37,462 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-16 16:37:37,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-16 16:37:37,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:37:37,464 INFO L87 Difference]: Start difference. First operand 1280 states and 1524 transitions. Second operand 19 states. [2019-09-16 16:37:38,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:38,897 INFO L93 Difference]: Finished difference Result 2371 states and 2869 transitions. [2019-09-16 16:37:38,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-16 16:37:38,898 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 154 [2019-09-16 16:37:38,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:38,907 INFO L225 Difference]: With dead ends: 2371 [2019-09-16 16:37:38,907 INFO L226 Difference]: Without dead ends: 1243 [2019-09-16 16:37:38,911 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:37:38,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2019-09-16 16:37:38,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1240. [2019-09-16 16:37:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2019-09-16 16:37:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1469 transitions. [2019-09-16 16:37:38,993 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1469 transitions. Word has length 154 [2019-09-16 16:37:38,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:38,993 INFO L475 AbstractCegarLoop]: Abstraction has 1240 states and 1469 transitions. [2019-09-16 16:37:38,994 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-16 16:37:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1469 transitions. [2019-09-16 16:37:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-16 16:37:39,000 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:39,000 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:39,001 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:39,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:39,001 INFO L82 PathProgramCache]: Analyzing trace with hash 392365267, now seen corresponding path program 2 times [2019-09-16 16:37:39,002 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:39,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:39,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:39,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:39,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-09-16 16:37:39,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:39,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:37:39,134 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:37:39,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:37:39,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:37:39,135 INFO L87 Difference]: Start difference. First operand 1240 states and 1469 transitions. Second operand 6 states. [2019-09-16 16:37:39,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:39,382 INFO L93 Difference]: Finished difference Result 1265 states and 1498 transitions. [2019-09-16 16:37:39,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:37:39,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2019-09-16 16:37:39,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:39,394 INFO L225 Difference]: With dead ends: 1265 [2019-09-16 16:37:39,394 INFO L226 Difference]: Without dead ends: 1262 [2019-09-16 16:37:39,396 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 [2019-09-16 16:37:39,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2019-09-16 16:37:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1240. [2019-09-16 16:37:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2019-09-16 16:37:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1461 transitions. [2019-09-16 16:37:39,506 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1461 transitions. Word has length 154 [2019-09-16 16:37:39,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:39,509 INFO L475 AbstractCegarLoop]: Abstraction has 1240 states and 1461 transitions. [2019-09-16 16:37:39,509 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:37:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1461 transitions. [2019-09-16 16:37:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-16 16:37:39,520 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:39,521 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:39,521 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:39,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:39,522 INFO L82 PathProgramCache]: Analyzing trace with hash 656308020, now seen corresponding path program 1 times [2019-09-16 16:37:39,522 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:39,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:39,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:39,535 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-16 16:37:39,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-16 16:37:39,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:39,850 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 [2019-09-16 16:37:39,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:40,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-16 16:37:40,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Stream closed [2019-09-16 16:37:40,246 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:37:40,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2019-09-16 16:37:40,248 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-16 16:37:40,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-16 16:37:40,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:37:40,252 INFO L87 Difference]: Start difference. First operand 1240 states and 1461 transitions. Second operand 14 states. [2019-09-16 16:37:42,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:42,508 INFO L93 Difference]: Finished difference Result 2454 states and 3026 transitions. [2019-09-16 16:37:42,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-16 16:37:42,509 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 172 [2019-09-16 16:37:42,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:42,523 INFO L225 Difference]: With dead ends: 2454 [2019-09-16 16:37:42,523 INFO L226 Difference]: Without dead ends: 1366 [2019-09-16 16:37:42,529 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2019-09-16 16:37:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2019-09-16 16:37:42,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1210. [2019-09-16 16:37:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2019-09-16 16:37:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1425 transitions. [2019-09-16 16:37:42,662 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1425 transitions. Word has length 172 [2019-09-16 16:37:42,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:42,663 INFO L475 AbstractCegarLoop]: Abstraction has 1210 states and 1425 transitions. [2019-09-16 16:37:42,663 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-16 16:37:42,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1425 transitions. [2019-09-16 16:37:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-09-16 16:37:42,672 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:42,673 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:42,673 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:42,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:42,674 INFO L82 PathProgramCache]: Analyzing trace with hash -469147601, now seen corresponding path program 2 times [2019-09-16 16:37:42,674 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:42,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:42,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:42,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:42,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:43,099 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 47 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-16 16:37:43,099 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:43,100 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:37:43,210 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-16 16:37:43,396 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-16 16:37:43,397 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-16 16:37:43,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-16 16:37:43,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:43,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-16 16:37:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-16 16:37:43,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:43,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-16 16:37:43,608 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:37:43,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:37:43,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:37:43,609 INFO L87 Difference]: Start difference. First operand 1210 states and 1425 transitions. Second operand 16 states. [2019-09-16 16:37:46,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:46,981 INFO L93 Difference]: Finished difference Result 3195 states and 3932 transitions. [2019-09-16 16:37:46,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-16 16:37:46,981 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 241 [2019-09-16 16:37:46,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:46,995 INFO L225 Difference]: With dead ends: 3195 [2019-09-16 16:37:46,995 INFO L226 Difference]: Without dead ends: 2133 [2019-09-16 16:37:46,999 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-16 16:37:47,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2019-09-16 16:37:47,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1823. [2019-09-16 16:37:47,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2019-09-16 16:37:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2098 transitions. [2019-09-16 16:37:47,137 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2098 transitions. Word has length 241 [2019-09-16 16:37:47,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:47,141 INFO L475 AbstractCegarLoop]: Abstraction has 1823 states and 2098 transitions. [2019-09-16 16:37:47,141 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:37:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2098 transitions. [2019-09-16 16:37:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-09-16 16:37:47,151 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:47,152 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:47,152 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:47,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:47,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1792425649, now seen corresponding path program 1 times [2019-09-16 16:37:47,153 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:47,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:47,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:47,157 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-16 16:37:47,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-09-16 16:37:47,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:47,369 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:37:47,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:47,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 1081 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-16 16:37:47,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-09-16 16:37:47,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:47,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-16 16:37:47,771 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-16 16:37:47,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-16 16:37:47,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:37:47,772 INFO L87 Difference]: Start difference. First operand 1823 states and 2098 transitions. Second operand 13 states. [2019-09-16 16:37:47,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:47,873 INFO L93 Difference]: Finished difference Result 2370 states and 2726 transitions. [2019-09-16 16:37:47,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:37:47,873 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2019-09-16 16:37:47,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:47,875 INFO L225 Difference]: With dead ends: 2370 [2019-09-16 16:37:47,875 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:37:47,880 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:37:47,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:37:47,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:37:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:37:47,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:37:47,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2019-09-16 16:37:47,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:47,882 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:37:47,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-16 16:37:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:37:47,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:37:47,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:37:48,613 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2019-09-16 16:37:49,293 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 19 [2019-09-16 16:37:49,573 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2019-09-16 16:37:49,769 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2019-09-16 16:37:49,923 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2019-09-16 16:37:50,110 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 21 [2019-09-16 16:37:50,598 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2019-09-16 16:37:50,788 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2019-09-16 16:37:50,942 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2019-09-16 16:37:51,122 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2019-09-16 16:37:51,593 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2019-09-16 16:37:51,835 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2019-09-16 16:37:52,104 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2019-09-16 16:37:52,300 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 21 [2019-09-16 16:37:52,486 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2019-09-16 16:37:52,768 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-09-16 16:37:53,398 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2019-09-16 16:37:53,654 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2019-09-16 16:37:53,874 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2019-09-16 16:37:54,396 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 42 [2019-09-16 16:37:54,644 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2019-09-16 16:37:54,647 INFO L443 ceAbstractionStarter]: For program point L635(lines 612 636) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 588 643) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 623) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point L619-1(lines 619 623) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 588 643) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point L613-2(lines 613 634) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 588 643) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point L671(line 671) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point L670-2(lines 670 695) no Hoare annotation was computed. [2019-09-16 16:37:54,648 INFO L443 ceAbstractionStarter]: For program point L696(lines 669 697) no Hoare annotation was computed. [2019-09-16 16:37:54,649 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 644 703) no Hoare annotation was computed. [2019-09-16 16:37:54,649 INFO L443 ceAbstractionStarter]: For program point L689(line 689) no Hoare annotation was computed. [2019-09-16 16:37:54,649 INFO L443 ceAbstractionStarter]: For program point L689-1(line 689) no Hoare annotation was computed. [2019-09-16 16:37:54,649 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 644 703) no Hoare annotation was computed. [2019-09-16 16:37:54,649 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 644 703) no Hoare annotation was computed. [2019-09-16 16:37:54,649 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 680) no Hoare annotation was computed. [2019-09-16 16:37:54,650 INFO L443 ceAbstractionStarter]: For program point L676-1(lines 676 680) no Hoare annotation was computed. [2019-09-16 16:37:54,650 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-09-16 16:37:54,651 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-09-16 16:37:54,652 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-09-16 16:37:54,652 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-09-16 16:37:54,652 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-09-16 16:37:54,652 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 510 534) the Hoare annotation is: true [2019-09-16 16:37:54,652 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 510 534) no Hoare annotation was computed. [2019-09-16 16:37:54,653 INFO L439 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse0))) [2019-09-16 16:37:54,653 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 528) no Hoare annotation was computed. [2019-09-16 16:37:54,653 INFO L439 ceAbstractionStarter]: At program point L520(line 520) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse0))) [2019-09-16 16:37:54,653 INFO L443 ceAbstractionStarter]: For program point L520-1(line 520) no Hoare annotation was computed. [2019-09-16 16:37:54,654 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 531) no Hoare annotation was computed. [2019-09-16 16:37:54,654 INFO L443 ceAbstractionStarter]: For program point L518-1(lines 510 534) no Hoare annotation was computed. [2019-09-16 16:37:54,654 INFO L446 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2019-09-16 16:37:54,654 INFO L443 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-09-16 16:37:54,654 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 974 996) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-16 16:37:54,654 INFO L439 ceAbstractionStarter]: At program point L986(line 986) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:37:54,654 INFO L439 ceAbstractionStarter]: At program point L986-1(line 986) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:37:54,655 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 974 996) no Hoare annotation was computed. [2019-09-16 16:37:54,655 INFO L443 ceAbstractionStarter]: For program point L984(lines 984 991) no Hoare annotation was computed. [2019-09-16 16:37:54,655 INFO L443 ceAbstractionStarter]: For program point L984-1(lines 984 991) no Hoare annotation was computed. [2019-09-16 16:37:54,655 INFO L443 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2019-09-16 16:37:54,655 INFO L439 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-16 16:37:54,655 INFO L439 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-16 16:37:54,655 INFO L439 ceAbstractionStarter]: At program point L980-1(line 980) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-16 16:37:54,655 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 974 996) no Hoare annotation was computed. [2019-09-16 16:37:54,656 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 933 956) no Hoare annotation was computed. [2019-09-16 16:37:54,656 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 933 956) no Hoare annotation was computed. [2019-09-16 16:37:54,656 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 933 956) no Hoare annotation was computed. [2019-09-16 16:37:54,656 INFO L443 ceAbstractionStarter]: For program point L951(line 951) no Hoare annotation was computed. [2019-09-16 16:37:54,656 INFO L443 ceAbstractionStarter]: For program point L950(line 950) no Hoare annotation was computed. [2019-09-16 16:37:54,656 INFO L443 ceAbstractionStarter]: For program point L949(line 949) no Hoare annotation was computed. [2019-09-16 16:37:54,656 INFO L443 ceAbstractionStarter]: For program point L948(line 948) no Hoare annotation was computed. [2019-09-16 16:37:54,657 INFO L443 ceAbstractionStarter]: For program point L947(line 947) no Hoare annotation was computed. [2019-09-16 16:37:54,657 INFO L443 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2019-09-16 16:37:54,657 INFO L443 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2019-09-16 16:37:54,657 INFO L443 ceAbstractionStarter]: For program point L944(line 944) no Hoare annotation was computed. [2019-09-16 16:37:54,658 INFO L443 ceAbstractionStarter]: For program point L943(line 943) no Hoare annotation was computed. [2019-09-16 16:37:54,658 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-09-16 16:37:54,658 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-09-16 16:37:54,658 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-09-16 16:37:54,658 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-09-16 16:37:54,658 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-09-16 16:37:54,658 INFO L439 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) (not .cse3) .cse0 .cse1 .cse4) (or .cse4 .cse0 .cse1 .cse2))) [2019-09-16 16:37:54,658 INFO L443 ceAbstractionStarter]: For program point L178-1(lines 159 183) no Hoare annotation was computed. [2019-09-16 16:37:54,659 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 159 183) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-16 16:37:54,659 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:37:54,659 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 159 183) no Hoare annotation was computed. [2019-09-16 16:37:54,659 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 .cse3) (or (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3))) [2019-09-16 16:37:54,659 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 175) no Hoare annotation was computed. [2019-09-16 16:37:54,659 INFO L439 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 .cse1 .cse2 .cse3))) [2019-09-16 16:37:54,659 INFO L443 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2019-09-16 16:37:54,659 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 180) no Hoare annotation was computed. [2019-09-16 16:37:54,659 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 254 262) no Hoare annotation was computed. [2019-09-16 16:37:54,659 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 254 262) the Hoare annotation is: true [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 254 262) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 318 336) the Hoare annotation is: true [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 318 336) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L446 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 318 336) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point L282(lines 282 290) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point L282-2(lines 282 290) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 263 298) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 278) no Hoare annotation was computed. [2019-09-16 16:37:54,660 INFO L443 ceAbstractionStarter]: For program point L270-2(lines 270 278) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 263 298) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point L293-1(line 293) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 263 298) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 542 587) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 542 587) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 542 587) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 855 900) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 882) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 855 900) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 855 900) no Hoare annotation was computed. [2019-09-16 16:37:54,661 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 889) no Hoare annotation was computed. [2019-09-16 16:37:54,662 INFO L443 ceAbstractionStarter]: For program point L869-1(lines 869 889) no Hoare annotation was computed. [2019-09-16 16:37:54,662 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 964 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-16 16:37:54,662 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 964 973) no Hoare annotation was computed. [2019-09-16 16:37:54,662 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 964 973) no Hoare annotation was computed. [2019-09-16 16:37:54,662 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 243 253) the Hoare annotation is: true [2019-09-16 16:37:54,662 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 243 253) no Hoare annotation was computed. [2019-09-16 16:37:54,662 INFO L446 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: true [2019-09-16 16:37:54,662 INFO L443 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2019-09-16 16:37:54,662 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 243 253) no Hoare annotation was computed. [2019-09-16 16:37:54,662 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 235 242) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2019-09-16 16:37:54,662 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 235 242) no Hoare annotation was computed. [2019-09-16 16:37:54,662 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 235 242) no Hoare annotation was computed. [2019-09-16 16:37:54,663 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-09-16 16:37:54,663 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 486 499) no Hoare annotation was computed. [2019-09-16 16:37:54,663 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 486 499) the Hoare annotation is: true [2019-09-16 16:37:54,663 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 486 499) no Hoare annotation was computed. [2019-09-16 16:37:54,663 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 201) no Hoare annotation was computed. [2019-09-16 16:37:54,663 INFO L439 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3))) [2019-09-16 16:37:54,663 INFO L443 ceAbstractionStarter]: For program point L191-1(line 191) no Hoare annotation was computed. [2019-09-16 16:37:54,663 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 206) no Hoare annotation was computed. [2019-09-16 16:37:54,663 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 185 209) no Hoare annotation was computed. [2019-09-16 16:37:54,663 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 185 209) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1))) [2019-09-16 16:37:54,663 INFO L439 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 .cse0 .cse1 .cse5))) [2019-09-16 16:37:54,664 INFO L443 ceAbstractionStarter]: For program point L204-1(lines 185 209) no Hoare annotation was computed. [2019-09-16 16:37:54,664 INFO L439 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2019-09-16 16:37:54,664 INFO L439 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:37:54,664 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2019-09-16 16:37:54,664 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2019-09-16 16:37:54,664 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2019-09-16 16:37:54,664 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 341 404) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-16 16:37:54,664 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 341 404) no Hoare annotation was computed. [2019-09-16 16:37:54,664 INFO L439 ceAbstractionStarter]: At program point L397(lines 350 398) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:37:54,664 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 391) no Hoare annotation was computed. [2019-09-16 16:37:54,665 INFO L439 ceAbstractionStarter]: At program point L387-2(lines 381 392) the Hoare annotation is: (let ((.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 .cse4))) [2019-09-16 16:37:54,665 INFO L443 ceAbstractionStarter]: For program point L352(lines 351 396) no Hoare annotation was computed. [2019-09-16 16:37:54,665 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 392) no Hoare annotation was computed. [2019-09-16 16:37:54,665 INFO L439 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:37:54,665 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 377) no Hoare annotation was computed. [2019-09-16 16:37:54,665 INFO L443 ceAbstractionStarter]: For program point L371-1(lines 371 377) no Hoare annotation was computed. [2019-09-16 16:37:54,665 INFO L439 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (let ((.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:37:54,665 INFO L439 ceAbstractionStarter]: At program point L394(lines 351 396) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:37:54,665 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 367) no Hoare annotation was computed. [2019-09-16 16:37:54,665 INFO L443 ceAbstractionStarter]: For program point L361-1(lines 361 367) no Hoare annotation was computed. [2019-09-16 16:37:54,665 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 341 404) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 836) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 809 854) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point L823(lines 823 843) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point L823-1(lines 823 843) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 809 854) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 809 854) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 210 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 210 217) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 210 217) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 500 508) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 500 508) the Hoare annotation is: true [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 500 508) no Hoare annotation was computed. [2019-09-16 16:37:54,666 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 470) no Hoare annotation was computed. [2019-09-16 16:37:54,667 INFO L443 ceAbstractionStarter]: For program point L462-2(lines 462 470) no Hoare annotation was computed. [2019-09-16 16:37:54,667 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 454 476) no Hoare annotation was computed. [2019-09-16 16:37:54,667 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 454 476) no Hoare annotation was computed. [2019-09-16 16:37:54,667 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 454 476) no Hoare annotation was computed. [2019-09-16 16:37:54,667 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-09-16 16:37:54,667 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-09-16 16:37:54,667 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-09-16 16:37:54,667 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 751) no Hoare annotation was computed. [2019-09-16 16:37:54,667 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 706 808) no Hoare annotation was computed. [2019-09-16 16:37:54,668 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 802) no Hoare annotation was computed. [2019-09-16 16:37:54,668 INFO L443 ceAbstractionStarter]: For program point L756(lines 755 775) no Hoare annotation was computed. [2019-09-16 16:37:54,668 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-09-16 16:37:54,668 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-09-16 16:37:54,669 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 793) no Hoare annotation was computed. [2019-09-16 16:37:54,669 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 706 808) no Hoare annotation was computed. [2019-09-16 16:37:54,669 INFO L443 ceAbstractionStarter]: For program point L771(line 771) no Hoare annotation was computed. [2019-09-16 16:37:54,669 INFO L443 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2019-09-16 16:37:54,669 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 734) no Hoare annotation was computed. [2019-09-16 16:37:54,669 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 805) no Hoare annotation was computed. [2019-09-16 16:37:54,669 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 761) no Hoare annotation was computed. [2019-09-16 16:37:54,669 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 706 808) no Hoare annotation was computed. [2019-09-16 16:37:54,669 INFO L443 ceAbstractionStarter]: For program point L755-2(lines 755 775) no Hoare annotation was computed. [2019-09-16 16:37:54,670 INFO L443 ceAbstractionStarter]: For program point L776(lines 754 777) no Hoare annotation was computed. [2019-09-16 16:37:54,670 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:54,670 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)) [2019-09-16 16:37:54,670 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:54,670 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 231) no Hoare annotation was computed. [2019-09-16 16:37:54,670 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse1))) [2019-09-16 16:37:54,670 INFO L443 ceAbstractionStarter]: For program point L223-1(line 223) no Hoare annotation was computed. [2019-09-16 16:37:54,671 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 218 234) no Hoare annotation was computed. [2019-09-16 16:37:54,671 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 218 234) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse1))) [2019-09-16 16:37:54,672 INFO L439 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= ~pumpRunning~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2019-09-16 16:37:54,672 INFO L443 ceAbstractionStarter]: For program point L229-1(lines 218 234) no Hoare annotation was computed. [2019-09-16 16:37:54,672 INFO L443 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2019-09-16 16:37:54,672 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 299 317) no Hoare annotation was computed. [2019-09-16 16:37:54,672 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 299 317) the Hoare annotation is: true [2019-09-16 16:37:54,672 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 299 317) no Hoare annotation was computed. [2019-09-16 16:37:54,672 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-09-16 16:37:54,672 INFO L446 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2019-09-16 16:37:54,672 INFO L443 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2019-09-16 16:37:54,673 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 477 485) the Hoare annotation is: true [2019-09-16 16:37:54,673 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 477 485) no Hoare annotation was computed. [2019-09-16 16:37:54,673 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 477 485) no Hoare annotation was computed. [2019-09-16 16:37:54,673 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 433 444) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)) (or .cse1 .cse4 (or (not (<= 2 ~waterLevel~0)) .cse3)))) [2019-09-16 16:37:54,673 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 433 444) no Hoare annotation was computed. [2019-09-16 16:37:54,673 INFO L443 ceAbstractionStarter]: For program point L437-1(lines 433 444) no Hoare annotation was computed. [2019-09-16 16:37:54,673 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:54,673 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:37:54,674 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:54,674 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 445 453) the Hoare annotation is: true [2019-09-16 16:37:54,674 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 445 453) no Hoare annotation was computed. [2019-09-16 16:37:54,674 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 445 453) no Hoare annotation was computed. [2019-09-16 16:37:54,675 INFO L439 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse13 (+ ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse1 (and .cse11 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= 1 ~systemActive~0) .cse8 .cse10 .cse11)) (.cse7 (<= .cse13 |old(~waterLevel~0)|)) (.cse9 (<= |old(~waterLevel~0)| .cse13)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse12 (or .cse5 .cse2))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse4 (or .cse0 .cse2) .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse6 (and .cse0 .cse7 .cse8 .cse9) (and .cse8 .cse10 .cse11) .cse12) (or .cse4 (and .cse7 .cse8 .cse9) .cse3 .cse12)))) [2019-09-16 16:37:54,675 INFO L439 ceAbstractionStarter]: At program point L112(lines 112 118) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (let ((.cse9 (+ ~waterLevel~0 1))) (and .cse0 (<= .cse9 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse9) .cse8))) (.cse6 (or (not (<= 2 |old(~waterLevel~0)|)) .cse2)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (and .cse8 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse4 .cse7 .cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse8)) (or .cse7 .cse0 .cse2 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2019-09-16 16:37:54,676 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 101 124) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (or (not (<= 2 |old(~waterLevel~0)|)) .cse2))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse0 .cse2 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse5 .cse3 .cse6)))) [2019-09-16 16:37:54,676 INFO L439 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (or (not (<= 2 |old(~waterLevel~0)|)) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse4 .cse6 .cse5) (or .cse1 .cse2 .cse3 .cse6)))) [2019-09-16 16:37:54,676 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2019-09-16 16:37:54,676 INFO L443 ceAbstractionStarter]: For program point L105(lines 104 123) no Hoare annotation was computed. [2019-09-16 16:37:54,676 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2019-09-16 16:37:54,676 INFO L446 ceAbstractionStarter]: At program point L928(lines 903 932) the Hoare annotation is: true [2019-09-16 16:37:54,676 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 903 932) no Hoare annotation was computed. [2019-09-16 16:37:54,676 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 903 932) the Hoare annotation is: true [2019-09-16 16:37:54,677 INFO L443 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2019-09-16 16:37:54,677 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 921) no Hoare annotation was computed. [2019-09-16 16:37:54,677 INFO L446 ceAbstractionStarter]: At program point L917-1(lines 917 921) the Hoare annotation is: true [2019-09-16 16:37:54,677 INFO L443 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2019-09-16 16:37:54,677 INFO L446 ceAbstractionStarter]: At program point L913-2(lines 913 927) the Hoare annotation is: true [2019-09-16 16:37:54,677 INFO L446 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true [2019-09-16 16:37:54,677 INFO L443 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2019-09-16 16:37:54,677 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 409 420) the Hoare annotation is: (let ((.cse1 (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:37:54,677 INFO L443 ceAbstractionStarter]: For program point L413-1(lines 409 420) no Hoare annotation was computed. [2019-09-16 16:37:54,678 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 409 420) no Hoare annotation was computed. [2019-09-16 16:37:54,678 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 957 963) no Hoare annotation was computed. [2019-09-16 16:37:54,678 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 957 963) the Hoare annotation is: true [2019-09-16 16:37:54,678 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:54,678 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-09-16 16:37:54,678 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:37:54,678 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:54,679 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 133 157) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:37:54,679 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 133 157) no Hoare annotation was computed. [2019-09-16 16:37:54,679 INFO L439 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:37:54,679 INFO L443 ceAbstractionStarter]: For program point L152-1(lines 133 157) no Hoare annotation was computed. [2019-09-16 16:37:54,679 INFO L439 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (or .cse1 .cse2) (not (<= 2 ~waterLevel~0)) .cse0) (or .cse0 .cse3 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-09-16 16:37:54,679 INFO L439 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse1))) [2019-09-16 16:37:54,679 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-09-16 16:37:54,680 INFO L439 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:37:54,680 INFO L443 ceAbstractionStarter]: For program point L139-1(line 139) no Hoare annotation was computed. [2019-09-16 16:37:54,680 INFO L443 ceAbstractionStarter]: For program point L137(lines 137 154) no Hoare annotation was computed. [2019-09-16 16:37:54,680 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 421 432) no Hoare annotation was computed. [2019-09-16 16:37:54,680 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 421 432) no Hoare annotation was computed. [2019-09-16 16:37:54,680 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 421 432) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1 .cse2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse2) (or .cse4 (not (<= 2 |old(~waterLevel~0)|)) .cse3 .cse1)))) [2019-09-16 16:37:54,680 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-09-16 16:37:54,681 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-09-16 16:37:54,681 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-09-16 16:37:54,681 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-09-16 16:37:54,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:37:54 BoogieIcfgContainer [2019-09-16 16:37:54,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:37:54,711 INFO L168 Benchmark]: Toolchain (without parser) took 27968.54 ms. Allocated memory was 133.7 MB in the beginning and 623.9 MB in the end (delta: 490.2 MB). Free memory was 88.1 MB in the beginning and 493.4 MB in the end (delta: -405.2 MB). Peak memory consumption was 503.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:54,713 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:37:54,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.37 ms. Allocated memory was 133.7 MB in the beginning and 197.7 MB in the end (delta: 64.0 MB). Free memory was 87.9 MB in the beginning and 161.7 MB in the end (delta: -73.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:54,715 INFO L168 Benchmark]: Boogie Preprocessor took 88.63 ms. Allocated memory is still 197.7 MB. Free memory was 161.7 MB in the beginning and 157.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:54,716 INFO L168 Benchmark]: RCFGBuilder took 1216.20 ms. Allocated memory was 197.7 MB in the beginning and 224.4 MB in the end (delta: 26.7 MB). Free memory was 157.4 MB in the beginning and 187.9 MB in the end (delta: -30.5 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:54,716 INFO L168 Benchmark]: TraceAbstraction took 25950.66 ms. Allocated memory was 224.4 MB in the beginning and 623.9 MB in the end (delta: 399.5 MB). Free memory was 187.9 MB in the beginning and 493.4 MB in the end (delta: -305.5 MB). Peak memory consumption was 512.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:54,720 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.37 ms. Allocated memory was 133.7 MB in the beginning and 197.7 MB in the end (delta: 64.0 MB). Free memory was 87.9 MB in the beginning and 161.7 MB in the end (delta: -73.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.63 ms. Allocated memory is still 197.7 MB. Free memory was 161.7 MB in the beginning and 157.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1216.20 ms. Allocated memory was 197.7 MB in the beginning and 224.4 MB in the end (delta: 26.7 MB). Free memory was 157.4 MB in the beginning and 187.9 MB in the end (delta: -30.5 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25950.66 ms. Allocated memory was 224.4 MB in the beginning and 623.9 MB in the end (delta: 399.5 MB). Free memory was 187.9 MB in the beginning and 493.4 MB in the end (delta: -305.5 MB). Peak memory consumption was 512.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) || !(systemActive == 1)) || (((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. SAFE Result, 25.8s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 12.7s AutomataDifference, 0.0s DeadEndRemovalTime, 6.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2687 SDtfs, 3133 SDslu, 10563 SDs, 0 SdLazy, 9515 SolverSat, 1462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1338 GetRequests, 1149 SyntacticMatches, 2 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1823occurred in iteration=12, 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: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 604 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3910 PreInvPairs, 3997 NumberOfFragments, 2200 HoareAnnotationTreeSize, 3910 FomulaSimplifications, 9419 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14836 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2832 NumberOfCodeBlocks, 2832 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2813 ConstructedInterpolants, 0 QuantifiedInterpolants, 730846 SizeOfPredicates, 20 NumberOfNonLiveVariables, 5727 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 881/972 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...