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_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:07:58,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:07:58,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:07:58,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:07:58,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:07:58,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:07:58,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:07:58,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:07:58,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:07:58,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:07:58,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:07:58,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:07:58,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:07:58,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:07:58,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:07:58,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:07:58,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:07:58,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:07:58,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:07:58,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:07:58,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:07:58,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:07:58,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:07:58,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:07:58,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:07:58,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:07:58,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:07:58,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:07:58,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:07:58,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:07:58,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:07:58,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:07:58,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:07:58,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:07:58,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:07:58,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:07:58,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:07:58,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:07:58,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:07:58,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:07:58,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:07:58,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:07:58,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:07:58,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:07:58,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:07:58,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:07:58,649 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:07:58,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:07:58,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:07:58,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:07:58,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:07:58,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:07:58,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:07:58,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:07:58,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:07:58,652 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:07:58,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:07:58,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:07:58,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:07:58,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:07:58,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:07:58,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:07:58,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:07:58,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:07:58,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:07:58,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:07:58,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:07:58,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:07:58,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:07:58,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:07:58,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:07:58,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:07:58,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:07:58,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:07:58,725 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:07:58,725 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:07:58,726 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-09-20 13:07:58,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c79ca99/4c9cd51c288f4ddc852a032777784d5b/FLAGfb202c5ca [2019-09-20 13:07:59,350 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:07:59,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-09-20 13:07:59,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c79ca99/4c9cd51c288f4ddc852a032777784d5b/FLAGfb202c5ca [2019-09-20 13:07:59,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c79ca99/4c9cd51c288f4ddc852a032777784d5b [2019-09-20 13:07:59,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:07:59,657 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:07:59,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:07:59,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:07:59,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:07:59,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:07:59" (1/1) ... [2019-09-20 13:07:59,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:07:59, skipping insertion in model container [2019-09-20 13:07:59,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:07:59" (1/1) ... [2019-09-20 13:07:59,672 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:07:59,718 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:08:00,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:08:00,228 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:08:00,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:08:00,382 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:08:00,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00 WrapperNode [2019-09-20 13:08:00,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:08:00,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:08:00,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:08:00,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:08:00,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00" (1/1) ... [2019-09-20 13:08:00,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00" (1/1) ... [2019-09-20 13:08:00,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00" (1/1) ... [2019-09-20 13:08:00,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00" (1/1) ... [2019-09-20 13:08:00,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00" (1/1) ... [2019-09-20 13:08:00,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00" (1/1) ... [2019-09-20 13:08:00,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00" (1/1) ... [2019-09-20 13:08:00,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:08:00,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:08:00,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:08:00,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:08:00,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:08:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:08:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:08:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:08:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:08:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:08:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:08:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:08:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:08:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:08:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:08:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:08:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:08:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:08:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:08:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:08:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:08:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:08:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:08:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:08:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:08:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:08:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:08:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:08:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:08:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:08:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:08:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:08:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:08:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:08:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:08:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:08:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:08:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:08:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:08:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:08:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:08:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:08:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:08:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:08:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:08:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:08:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:08:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:08:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:08:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:08:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:08:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:08:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:08:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:08:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:08:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:08:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:08:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:08:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:08:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:08:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:08:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:08:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:08:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:08:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:08:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:08:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:08:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:08:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:08:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:08:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:08:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:08:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:08:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:08:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:08:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:08:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:08:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:08:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:08:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:08:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:08:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:08:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:08:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:08:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:08:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:08:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:08:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:08:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:08:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:08:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:08:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:08:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:08:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:08:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:08:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:08:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:08:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:08:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:08:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:08:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:08:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:08:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:08:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:08:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:08:01,700 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:08:01,719 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:08:01,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:08:01 BoogieIcfgContainer [2019-09-20 13:08:01,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:08:01,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:08:01,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:08:01,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:08:01,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:07:59" (1/3) ... [2019-09-20 13:08:01,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3197166c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:08:01, skipping insertion in model container [2019-09-20 13:08:01,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:00" (2/3) ... [2019-09-20 13:08:01,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3197166c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:08:01, skipping insertion in model container [2019-09-20 13:08:01,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:08:01" (3/3) ... [2019-09-20 13:08:01,730 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2019-09-20 13:08:01,741 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:08:01,752 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:08:01,772 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:08:01,809 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:08:01,810 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:08:01,810 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:08:01,810 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:08:01,811 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:08:01,811 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:08:01,811 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:08:01,812 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:08:01,813 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:08:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2019-09-20 13:08:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:08:01,856 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:01,860 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:01,862 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:01,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:01,867 INFO L82 PathProgramCache]: Analyzing trace with hash 479094946, now seen corresponding path program 1 times [2019-09-20 13:08:01,869 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:01,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:01,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:01,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:01,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:08:02,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:08:02,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:08:02,321 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:08:02,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:08:02,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:08:02,345 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2019-09-20 13:08:02,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:02,389 INFO L93 Difference]: Finished difference Result 302 states and 369 transitions. [2019-09-20 13:08:02,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:08:02,391 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:08:02,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:02,405 INFO L225 Difference]: With dead ends: 302 [2019-09-20 13:08:02,406 INFO L226 Difference]: Without dead ends: 153 [2019-09-20 13:08:02,411 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:08:02,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-09-20 13:08:02,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-09-20 13:08:02,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-09-20 13:08:02,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2019-09-20 13:08:02,471 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 59 [2019-09-20 13:08:02,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:02,472 INFO L475 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2019-09-20 13:08:02,472 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:08:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2019-09-20 13:08:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:08:02,477 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:02,477 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:02,477 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:02,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:02,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1126861649, now seen corresponding path program 1 times [2019-09-20 13:08:02,478 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:02,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:02,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:02,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:02,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:08:02,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:08:02,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:08:02,676 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:08:02,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:08:02,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:08:02,677 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 7 states. [2019-09-20 13:08:03,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:03,047 INFO L93 Difference]: Finished difference Result 278 states and 331 transitions. [2019-09-20 13:08:03,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:08:03,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-09-20 13:08:03,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:03,051 INFO L225 Difference]: With dead ends: 278 [2019-09-20 13:08:03,051 INFO L226 Difference]: Without dead ends: 153 [2019-09-20 13:08:03,053 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 [2019-09-20 13:08:03,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-09-20 13:08:03,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-09-20 13:08:03,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-09-20 13:08:03,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 177 transitions. [2019-09-20 13:08:03,089 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 177 transitions. Word has length 64 [2019-09-20 13:08:03,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:03,095 INFO L475 AbstractCegarLoop]: Abstraction has 153 states and 177 transitions. [2019-09-20 13:08:03,095 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:08:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 177 transitions. [2019-09-20 13:08:03,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-20 13:08:03,098 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:03,098 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:03,099 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:03,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:03,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1745445590, now seen corresponding path program 1 times [2019-09-20 13:08:03,099 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:03,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:03,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:03,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:03,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:08:03,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:08:03,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:08:03,283 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:08:03,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:08:03,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:08:03,284 INFO L87 Difference]: Start difference. First operand 153 states and 177 transitions. Second operand 5 states. [2019-09-20 13:08:04,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:04,033 INFO L93 Difference]: Finished difference Result 419 states and 529 transitions. [2019-09-20 13:08:04,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:08:04,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-09-20 13:08:04,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:04,042 INFO L225 Difference]: With dead ends: 419 [2019-09-20 13:08:04,042 INFO L226 Difference]: Without dead ends: 294 [2019-09-20 13:08:04,044 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:08:04,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-09-20 13:08:04,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 259. [2019-09-20 13:08:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-09-20 13:08:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 309 transitions. [2019-09-20 13:08:04,095 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 309 transitions. Word has length 77 [2019-09-20 13:08:04,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:04,096 INFO L475 AbstractCegarLoop]: Abstraction has 259 states and 309 transitions. [2019-09-20 13:08:04,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:08:04,096 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 309 transitions. [2019-09-20 13:08:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-20 13:08:04,098 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:04,099 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:04,099 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:04,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:04,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1775922839, now seen corresponding path program 1 times [2019-09-20 13:08:04,099 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:04,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:04,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:04,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:04,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:08:04,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:08:04,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:08:04,224 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:08:04,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:08:04,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:08:04,225 INFO L87 Difference]: Start difference. First operand 259 states and 309 transitions. Second operand 7 states. [2019-09-20 13:08:04,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:04,950 INFO L93 Difference]: Finished difference Result 514 states and 639 transitions. [2019-09-20 13:08:04,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:08:04,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2019-09-20 13:08:04,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:04,955 INFO L225 Difference]: With dead ends: 514 [2019-09-20 13:08:04,955 INFO L226 Difference]: Without dead ends: 283 [2019-09-20 13:08:04,957 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:08:04,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-09-20 13:08:04,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 258. [2019-09-20 13:08:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2019-09-20 13:08:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 306 transitions. [2019-09-20 13:08:04,984 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 306 transitions. Word has length 91 [2019-09-20 13:08:04,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:04,985 INFO L475 AbstractCegarLoop]: Abstraction has 258 states and 306 transitions. [2019-09-20 13:08:04,985 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:08:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 306 transitions. [2019-09-20 13:08:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:08:04,987 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:04,987 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:04,988 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:04,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:04,988 INFO L82 PathProgramCache]: Analyzing trace with hash 534241489, now seen corresponding path program 1 times [2019-09-20 13:08:04,988 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:04,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:04,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:04,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:04,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:05,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:08:05,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:08:05,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:08:05,059 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:08:05,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:08:05,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:08:05,060 INFO L87 Difference]: Start difference. First operand 258 states and 306 transitions. Second operand 3 states. [2019-09-20 13:08:05,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:05,075 INFO L93 Difference]: Finished difference Result 422 states and 483 transitions. [2019-09-20 13:08:05,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:08:05,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-20 13:08:05,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:05,079 INFO L225 Difference]: With dead ends: 422 [2019-09-20 13:08:05,079 INFO L226 Difference]: Without dead ends: 228 [2019-09-20 13:08:05,080 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:08:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-09-20 13:08:05,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-09-20 13:08:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-09-20 13:08:05,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2019-09-20 13:08:05,099 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 103 [2019-09-20 13:08:05,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:05,099 INFO L475 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2019-09-20 13:08:05,099 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:08:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2019-09-20 13:08:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-20 13:08:05,101 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:05,101 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:05,102 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:05,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:05,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1230791863, now seen corresponding path program 1 times [2019-09-20 13:08:05,102 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:05,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:05,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:05,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:05,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:08:05,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:08:05,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:08:05,184 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:08:05,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:08:05,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:08:05,185 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand 6 states. [2019-09-20 13:08:05,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:05,220 INFO L93 Difference]: Finished difference Result 435 states and 506 transitions. [2019-09-20 13:08:05,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:08:05,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2019-09-20 13:08:05,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:05,223 INFO L225 Difference]: With dead ends: 435 [2019-09-20 13:08:05,223 INFO L226 Difference]: Without dead ends: 235 [2019-09-20 13:08:05,224 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:08:05,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-09-20 13:08:05,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2019-09-20 13:08:05,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-09-20 13:08:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 264 transitions. [2019-09-20 13:08:05,240 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 264 transitions. Word has length 107 [2019-09-20 13:08:05,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:05,241 INFO L475 AbstractCegarLoop]: Abstraction has 233 states and 264 transitions. [2019-09-20 13:08:05,241 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:08:05,241 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 264 transitions. [2019-09-20 13:08:05,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-20 13:08:05,243 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:05,243 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:05,243 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:05,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:05,244 INFO L82 PathProgramCache]: Analyzing trace with hash 697480839, now seen corresponding path program 1 times [2019-09-20 13:08:05,244 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:05,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:05,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:05,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:05,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:08:05,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:08:05,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:08:05,334 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:08:05,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:08:05,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:08:05,335 INFO L87 Difference]: Start difference. First operand 233 states and 264 transitions. Second operand 8 states. [2019-09-20 13:08:05,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:05,378 INFO L93 Difference]: Finished difference Result 445 states and 517 transitions. [2019-09-20 13:08:05,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:08:05,378 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-09-20 13:08:05,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:05,380 INFO L225 Difference]: With dead ends: 445 [2019-09-20 13:08:05,381 INFO L226 Difference]: Without dead ends: 240 [2019-09-20 13:08:05,382 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:08:05,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-09-20 13:08:05,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2019-09-20 13:08:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2019-09-20 13:08:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2019-09-20 13:08:05,396 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 107 [2019-09-20 13:08:05,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:05,397 INFO L475 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2019-09-20 13:08:05,397 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:08:05,397 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2019-09-20 13:08:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-20 13:08:05,398 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:05,399 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:05,399 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:05,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:05,399 INFO L82 PathProgramCache]: Analyzing trace with hash 456940710, now seen corresponding path program 1 times [2019-09-20 13:08:05,399 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:05,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:05,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:05,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:05,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:08:05,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:08:05,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:08:05,494 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:08:05,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:08:05,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:08:05,495 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand 4 states. [2019-09-20 13:08:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:05,732 INFO L93 Difference]: Finished difference Result 673 states and 799 transitions. [2019-09-20 13:08:05,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:08:05,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2019-09-20 13:08:05,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:05,739 INFO L225 Difference]: With dead ends: 673 [2019-09-20 13:08:05,739 INFO L226 Difference]: Without dead ends: 464 [2019-09-20 13:08:05,740 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:08:05,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-09-20 13:08:05,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 455. [2019-09-20 13:08:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-09-20 13:08:05,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 530 transitions. [2019-09-20 13:08:05,780 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 530 transitions. Word has length 107 [2019-09-20 13:08:05,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:05,781 INFO L475 AbstractCegarLoop]: Abstraction has 455 states and 530 transitions. [2019-09-20 13:08:05,782 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:08:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 530 transitions. [2019-09-20 13:08:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-20 13:08:05,784 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:05,784 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:05,785 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:05,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:05,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1562894580, now seen corresponding path program 1 times [2019-09-20 13:08:05,785 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:05,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:05,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:05,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:05,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:08:05,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:08:05,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:08:05,992 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:08:05,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:08:05,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:08:05,993 INFO L87 Difference]: Start difference. First operand 455 states and 530 transitions. Second operand 9 states. [2019-09-20 13:08:07,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:07,111 INFO L93 Difference]: Finished difference Result 1194 states and 1455 transitions. [2019-09-20 13:08:07,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-20 13:08:07,111 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2019-09-20 13:08:07,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:07,117 INFO L225 Difference]: With dead ends: 1194 [2019-09-20 13:08:07,117 INFO L226 Difference]: Without dead ends: 835 [2019-09-20 13:08:07,119 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:08:07,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2019-09-20 13:08:07,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 762. [2019-09-20 13:08:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2019-09-20 13:08:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 877 transitions. [2019-09-20 13:08:07,176 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 877 transitions. Word has length 111 [2019-09-20 13:08:07,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:07,178 INFO L475 AbstractCegarLoop]: Abstraction has 762 states and 877 transitions. [2019-09-20 13:08:07,178 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:08:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 877 transitions. [2019-09-20 13:08:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-20 13:08:07,181 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:07,181 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:08:07,182 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:07,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:07,182 INFO L82 PathProgramCache]: Analyzing trace with hash 903450751, now seen corresponding path program 1 times [2019-09-20 13:08:07,182 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:07,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:07,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:07,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:07,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:08:07,373 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:08:07,373 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:08:07,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:07,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-20 13:08:07,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:08:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:08:07,819 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:08:07,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2019-09-20 13:08:07,820 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:08:07,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:08:07,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:08:07,821 INFO L87 Difference]: Start difference. First operand 762 states and 877 transitions. Second operand 16 states. [2019-09-20 13:08:09,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:09,335 INFO L93 Difference]: Finished difference Result 1696 states and 2033 transitions. [2019-09-20 13:08:09,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:08:09,335 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 172 [2019-09-20 13:08:09,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:09,342 INFO L225 Difference]: With dead ends: 1696 [2019-09-20 13:08:09,342 INFO L226 Difference]: Without dead ends: 1028 [2019-09-20 13:08:09,345 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2019-09-20 13:08:09,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2019-09-20 13:08:09,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 908. [2019-09-20 13:08:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2019-09-20 13:08:09,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1057 transitions. [2019-09-20 13:08:09,402 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1057 transitions. Word has length 172 [2019-09-20 13:08:09,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:09,403 INFO L475 AbstractCegarLoop]: Abstraction has 908 states and 1057 transitions. [2019-09-20 13:08:09,403 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:08:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1057 transitions. [2019-09-20 13:08:09,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-09-20 13:08:09,409 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:09,409 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:08:09,409 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:09,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:09,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1582300220, now seen corresponding path program 1 times [2019-09-20 13:08:09,410 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:09,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:09,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:09,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:09,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2019-09-20 13:08:09,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:08:09,563 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:08:09,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:09,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-20 13:08:09,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:08:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 216 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-20 13:08:10,112 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:08:10,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12] total 16 [2019-09-20 13:08:10,113 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:08:10,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:08:10,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:08:10,115 INFO L87 Difference]: Start difference. First operand 908 states and 1057 transitions. Second operand 16 states. [2019-09-20 13:08:12,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:12,479 INFO L93 Difference]: Finished difference Result 2274 states and 3042 transitions. [2019-09-20 13:08:12,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-20 13:08:12,480 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 307 [2019-09-20 13:08:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:12,489 INFO L225 Difference]: With dead ends: 2274 [2019-09-20 13:08:12,490 INFO L226 Difference]: Without dead ends: 1413 [2019-09-20 13:08:12,494 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2019-09-20 13:08:12,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2019-09-20 13:08:12,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 997. [2019-09-20 13:08:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2019-09-20 13:08:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1136 transitions. [2019-09-20 13:08:12,570 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1136 transitions. Word has length 307 [2019-09-20 13:08:12,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:12,571 INFO L475 AbstractCegarLoop]: Abstraction has 997 states and 1136 transitions. [2019-09-20 13:08:12,571 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:08:12,571 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1136 transitions. [2019-09-20 13:08:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-09-20 13:08:12,579 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:12,579 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:08:12,580 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:12,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:12,580 INFO L82 PathProgramCache]: Analyzing trace with hash -531060256, now seen corresponding path program 1 times [2019-09-20 13:08:12,580 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:12,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:12,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:12,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:12,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 93 proven. 55 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-09-20 13:08:12,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:08:12,790 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:08:12,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:13,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-20 13:08:13,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:08:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 250 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-09-20 13:08:13,266 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:08:13,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 20 [2019-09-20 13:08:13,267 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-20 13:08:13,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-20 13:08:13,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-09-20 13:08:13,268 INFO L87 Difference]: Start difference. First operand 997 states and 1136 transitions. Second operand 20 states. [2019-09-20 13:08:15,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:15,600 INFO L93 Difference]: Finished difference Result 1883 states and 2160 transitions. [2019-09-20 13:08:15,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-20 13:08:15,601 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 319 [2019-09-20 13:08:15,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:15,615 INFO L225 Difference]: With dead ends: 1883 [2019-09-20 13:08:15,615 INFO L226 Difference]: Without dead ends: 999 [2019-09-20 13:08:15,620 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:08:15,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2019-09-20 13:08:15,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 997. [2019-09-20 13:08:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2019-09-20 13:08:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1132 transitions. [2019-09-20 13:08:15,713 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1132 transitions. Word has length 319 [2019-09-20 13:08:15,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:15,714 INFO L475 AbstractCegarLoop]: Abstraction has 997 states and 1132 transitions. [2019-09-20 13:08:15,714 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-20 13:08:15,714 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1132 transitions. [2019-09-20 13:08:15,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-09-20 13:08:15,727 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:15,728 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:08:15,728 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:15,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:15,729 INFO L82 PathProgramCache]: Analyzing trace with hash 315838480, now seen corresponding path program 1 times [2019-09-20 13:08:15,729 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:15,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:15,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:15,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:15,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2019-09-20 13:08:16,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:08:16,187 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:08:16,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:16,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 28 conjunts are in the unsatisfiable core [2019-09-20 13:08:16,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:08:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Stream closed [2019-09-20 13:08:16,752 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:08:16,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 14 [2019-09-20 13:08:16,754 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-20 13:08:16,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-20 13:08:16,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:08:16,757 INFO L87 Difference]: Start difference. First operand 997 states and 1132 transitions. Second operand 14 states. [2019-09-20 13:08:19,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:19,348 INFO L93 Difference]: Finished difference Result 2121 states and 2608 transitions. [2019-09-20 13:08:19,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-20 13:08:19,348 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 320 [2019-09-20 13:08:19,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:19,360 INFO L225 Difference]: With dead ends: 2121 [2019-09-20 13:08:19,360 INFO L226 Difference]: Without dead ends: 1564 [2019-09-20 13:08:19,363 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 339 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:08:19,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2019-09-20 13:08:19,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1231. [2019-09-20 13:08:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2019-09-20 13:08:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1404 transitions. [2019-09-20 13:08:19,458 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1404 transitions. Word has length 320 [2019-09-20 13:08:19,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:19,460 INFO L475 AbstractCegarLoop]: Abstraction has 1231 states and 1404 transitions. [2019-09-20 13:08:19,460 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-20 13:08:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1404 transitions. [2019-09-20 13:08:19,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2019-09-20 13:08:19,469 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:08:19,470 INFO L407 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:08:19,470 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:08:19,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:08:19,471 INFO L82 PathProgramCache]: Analyzing trace with hash 465719961, now seen corresponding path program 1 times [2019-09-20 13:08:19,471 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:08:19,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:08:19,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:19,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:19,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:08:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 173 proven. 25 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2019-09-20 13:08:19,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:08:19,804 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 [2019-09-20 13:08:19,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:08:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:08:20,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:08:20,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:08:20,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:08:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 367 proven. 16 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-09-20 13:08:20,322 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:08:20,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2019-09-20 13:08:20,324 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-20 13:08:20,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-20 13:08:20,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2019-09-20 13:08:20,325 INFO L87 Difference]: Start difference. First operand 1231 states and 1404 transitions. Second operand 20 states. [2019-09-20 13:08:23,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:08:23,418 INFO L93 Difference]: Finished difference Result 1992 states and 2289 transitions. [2019-09-20 13:08:23,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-09-20 13:08:23,419 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 388 [2019-09-20 13:08:23,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:08:23,420 INFO L225 Difference]: With dead ends: 1992 [2019-09-20 13:08:23,420 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:08:23,426 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=387, Invalid=1419, Unknown=0, NotChecked=0, Total=1806 [2019-09-20 13:08:23,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:08:23,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:08:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:08:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:08:23,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2019-09-20 13:08:23,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:08:23,428 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:08:23,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-20 13:08:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:08:23,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:08:23,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:08:23,697 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 98 [2019-09-20 13:08:24,858 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2019-09-20 13:08:25,083 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2019-09-20 13:08:25,544 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2019-09-20 13:08:26,112 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 52 [2019-09-20 13:08:26,453 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 35 [2019-09-20 13:08:26,619 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-09-20 13:08:26,947 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2019-09-20 13:08:27,604 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2019-09-20 13:08:27,787 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2019-09-20 13:08:27,947 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2019-09-20 13:08:28,176 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2019-09-20 13:08:28,517 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 33 [2019-09-20 13:08:28,996 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 43 [2019-09-20 13:08:29,304 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 25 [2019-09-20 13:08:29,559 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 31 [2019-09-20 13:08:29,889 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 25 [2019-09-20 13:08:30,208 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2019-09-20 13:08:30,743 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 52 [2019-09-20 13:08:31,058 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2019-09-20 13:08:31,433 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 29 [2019-09-20 13:08:31,609 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2019-09-20 13:08:31,984 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2019-09-20 13:08:32,163 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 29 [2019-09-20 13:08:32,566 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2019-09-20 13:08:32,709 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2019-09-20 13:08:32,713 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-09-20 13:08:32,713 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2019-09-20 13:08:32,713 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-09-20 13:08:32,713 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2019-09-20 13:08:32,714 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2019-09-20 13:08:32,714 INFO L443 ceAbstractionStarter]: For program point L398(lines 375 399) no Hoare annotation was computed. [2019-09-20 13:08:32,714 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2019-09-20 13:08:32,714 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2019-09-20 13:08:32,714 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 443) no Hoare annotation was computed. [2019-09-20 13:08:32,714 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2019-09-20 13:08:32,714 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2019-09-20 13:08:32,715 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-20 13:08:32,715 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2019-09-20 13:08:32,715 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2019-09-20 13:08:32,715 INFO L443 ceAbstractionStarter]: For program point L459(lines 432 460) no Hoare annotation was computed. [2019-09-20 13:08:32,715 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2019-09-20 13:08:32,715 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-20 13:08:32,715 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-09-20 13:08:32,716 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-09-20 13:08:32,716 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-09-20 13:08:32,716 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-09-20 13:08:32,716 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-09-20 13:08:32,716 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-09-20 13:08:32,716 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 667 674) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2019-09-20 13:08:32,716 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 667 674) no Hoare annotation was computed. [2019-09-20 13:08:32,716 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 667 674) no Hoare annotation was computed. [2019-09-20 13:08:32,717 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 675 684) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 .cse3))) [2019-09-20 13:08:32,717 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 675 684) no Hoare annotation was computed. [2019-09-20 13:08:32,717 INFO L443 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2019-09-20 13:08:32,717 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 675 684) no Hoare annotation was computed. [2019-09-20 13:08:32,717 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse5) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse3 .cse1 .cse5) (or .cse0 .cse1 .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 0)) .cse0 .cse1 .cse4))) [2019-09-20 13:08:32,717 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-09-20 13:08:32,717 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 707) no Hoare annotation was computed. [2019-09-20 13:08:32,717 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (= __utac_acc__Specification5_spec__3_~tmp~4 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 0)) .cse0 .cse1 .cse3 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse5 .cse1 .cse6 .cse3) (or .cse3 .cse0 .cse1 .cse4 .cse6) (or .cse5 .cse1 .cse4 .cse2) (or .cse5 .cse1 .cse4 .cse6 .cse3))) [2019-09-20 13:08:32,718 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-09-20 13:08:32,718 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-09-20 13:08:32,718 INFO L443 ceAbstractionStarter]: For program point L693-1(lines 685 713) no Hoare annotation was computed. [2019-09-20 13:08:32,718 INFO L446 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2019-09-20 13:08:32,718 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-09-20 13:08:32,718 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 685 713) the Hoare annotation is: true [2019-09-20 13:08:32,718 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 685 713) no Hoare annotation was computed. [2019-09-20 13:08:32,718 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 166 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,718 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 166 188) no Hoare annotation was computed. [2019-09-20 13:08:32,719 INFO L439 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,719 INFO L439 ceAbstractionStarter]: At program point L178-1(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,719 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 183) no Hoare annotation was computed. [2019-09-20 13:08:32,719 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 176 183) no Hoare annotation was computed. [2019-09-20 13:08:32,719 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-09-20 13:08:32,719 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,719 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 166 188) no Hoare annotation was computed. [2019-09-20 13:08:32,720 INFO L439 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,720 INFO L439 ceAbstractionStarter]: At program point L172-1(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,720 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-09-20 13:08:32,720 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-09-20 13:08:32,720 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2019-09-20 13:08:32,720 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-09-20 13:08:32,720 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2019-09-20 13:08:32,720 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2019-09-20 13:08:32,720 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-09-20 13:08:32,721 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-09-20 13:08:32,721 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-09-20 13:08:32,721 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-09-20 13:08:32,721 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-09-20 13:08:32,721 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-09-20 13:08:32,721 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-09-20 13:08:32,721 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-09-20 13:08:32,721 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-09-20 13:08:32,721 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-09-20 13:08:32,722 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-09-20 13:08:32,722 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 916 924) no Hoare annotation was computed. [2019-09-20 13:08:32,722 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 916 924) the Hoare annotation is: true [2019-09-20 13:08:32,722 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 916 924) no Hoare annotation was computed. [2019-09-20 13:08:32,722 INFO L443 ceAbstractionStarter]: For program point L989(lines 989 993) no Hoare annotation was computed. [2019-09-20 13:08:32,722 INFO L446 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: true [2019-09-20 13:08:32,722 INFO L443 ceAbstractionStarter]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2019-09-20 13:08:32,722 INFO L443 ceAbstractionStarter]: For program point L987-1(line 987) no Hoare annotation was computed. [2019-09-20 13:08:32,723 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 980 998) the Hoare annotation is: true [2019-09-20 13:08:32,723 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 980 998) no Hoare annotation was computed. [2019-09-20 13:08:32,723 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 980 998) no Hoare annotation was computed. [2019-09-20 13:08:32,723 INFO L443 ceAbstractionStarter]: For program point L955(line 955) no Hoare annotation was computed. [2019-09-20 13:08:32,723 INFO L443 ceAbstractionStarter]: For program point L955-1(line 955) no Hoare annotation was computed. [2019-09-20 13:08:32,723 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 952) no Hoare annotation was computed. [2019-09-20 13:08:32,723 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 925 960) no Hoare annotation was computed. [2019-09-20 13:08:32,723 INFO L443 ceAbstractionStarter]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2019-09-20 13:08:32,723 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 925 960) no Hoare annotation was computed. [2019-09-20 13:08:32,723 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 940) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 925 960) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 645) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 652) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2019-09-20 13:08:32,724 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2019-09-20 13:08:32,725 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2019-09-20 13:08:32,725 INFO L439 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,725 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 155 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,725 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 155 165) no Hoare annotation was computed. [2019-09-20 13:08:32,725 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 155 165) no Hoare annotation was computed. [2019-09-20 13:08:32,725 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 905 915) the Hoare annotation is: true [2019-09-20 13:08:32,725 INFO L446 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2019-09-20 13:08:32,725 INFO L443 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2019-09-20 13:08:32,725 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 905 915) no Hoare annotation was computed. [2019-09-20 13:08:32,725 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 905 915) no Hoare annotation was computed. [2019-09-20 13:08:32,726 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 897 904) the Hoare annotation is: (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2019-09-20 13:08:32,726 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 897 904) no Hoare annotation was computed. [2019-09-20 13:08:32,726 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 897 904) no Hoare annotation was computed. [2019-09-20 13:08:32,726 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-09-20 13:08:32,726 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 275 288) no Hoare annotation was computed. [2019-09-20 13:08:32,726 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 275 288) the Hoare annotation is: true [2019-09-20 13:08:32,726 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 275 288) no Hoare annotation was computed. [2019-09-20 13:08:32,726 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or (not (= ~waterLevel~0 0)) .cse4 .cse2 .cse0) (or .cse4 .cse2 .cse0 .cse5) (or .cse1 .cse3 .cse2 .cse0 .cse5))) [2019-09-20 13:08:32,726 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 846 870) no Hoare annotation was computed. [2019-09-20 13:08:32,726 INFO L439 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (and (= 0 processEnvironment_~tmp~7) (= ~pumpRunning~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or .cse4 .cse2 .cse0 .cse3 .cse5) (or .cse5 (not (= ~waterLevel~0 0)) .cse4 .cse2 .cse0))) [2019-09-20 13:08:32,727 INFO L439 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or .cse4 (= ~pumpRunning~0 1) .cse2 .cse0 .cse3) (or (not (= ~waterLevel~0 0)) .cse4 .cse2 .cse0))) [2019-09-20 13:08:32,727 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 846 870) no Hoare annotation was computed. [2019-09-20 13:08:32,727 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 862) no Hoare annotation was computed. [2019-09-20 13:08:32,727 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or .cse4 .cse5 .cse2 .cse0 .cse3) (or (not (= ~waterLevel~0 0)) .cse5 .cse4 .cse2 .cse0))) [2019-09-20 13:08:32,727 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 846 870) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse4 .cse5 .cse2 .cse0 .cse6) (or (not (= ~waterLevel~0 0)) .cse5 .cse4 .cse2 .cse0) (or .cse1 .cse3 .cse2 .cse0 .cse6))) [2019-09-20 13:08:32,727 INFO L443 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2019-09-20 13:08:32,727 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 867) no Hoare annotation was computed. [2019-09-20 13:08:32,727 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 812 818) no Hoare annotation was computed. [2019-09-20 13:08:32,728 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 812 818) the Hoare annotation is: true [2019-09-20 13:08:32,728 INFO L439 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (and (and (and .cse0 (not (= ~switchedOnBeforeTS~0 0))) .cse2) (= 0 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse3 .cse2 .cse5) (and .cse6 (and .cse0 .cse4) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:08:32,728 INFO L439 ceAbstractionStarter]: At program point L768(lines 725 770) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~waterLevel~0 2)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse0 .cse2 .cse3) (and (and .cse3 (and .cse0 (not (= ~switchedOnBeforeTS~0 0)))) (= 0 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 (<= ~waterLevel~0 1) .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse4 .cse0 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:08:32,728 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 715 778) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,728 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2019-09-20 13:08:32,728 INFO L443 ceAbstractionStarter]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2019-09-20 13:08:32,728 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 731) no Hoare annotation was computed. [2019-09-20 13:08:32,728 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 715 778) no Hoare annotation was computed. [2019-09-20 13:08:32,728 INFO L439 ceAbstractionStarter]: At program point L771(lines 724 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:08:32,728 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-09-20 13:08:32,729 INFO L439 ceAbstractionStarter]: At program point L761-2(lines 755 766) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (= 1 ~systemActive~0) .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and (and (and .cse0 .cse1) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (<= 2 ~waterLevel~0)) (and .cse2 (= 0 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))))) [2019-09-20 13:08:32,729 INFO L443 ceAbstractionStarter]: For program point L726(lines 725 770) no Hoare annotation was computed. [2019-09-20 13:08:32,729 INFO L443 ceAbstractionStarter]: For program point L755(lines 755 766) no Hoare annotation was computed. [2019-09-20 13:08:32,729 INFO L439 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (= 1 ~systemActive~0) .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and (and (and .cse0 .cse1) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (<= 2 ~waterLevel~0)) (and .cse2 (= 0 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))))) [2019-09-20 13:08:32,729 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 751) no Hoare annotation was computed. [2019-09-20 13:08:32,729 INFO L443 ceAbstractionStarter]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2019-09-20 13:08:32,729 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 715 778) no Hoare annotation was computed. [2019-09-20 13:08:32,729 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2019-09-20 13:08:32,729 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2019-09-20 13:08:32,729 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2019-09-20 13:08:32,729 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 599) no Hoare annotation was computed. [2019-09-20 13:08:32,730 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 606) no Hoare annotation was computed. [2019-09-20 13:08:32,730 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2019-09-20 13:08:32,730 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 871 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-09-20 13:08:32,730 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 871 878) no Hoare annotation was computed. [2019-09-20 13:08:32,730 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 871 878) no Hoare annotation was computed. [2019-09-20 13:08:32,730 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 289 297) no Hoare annotation was computed. [2019-09-20 13:08:32,730 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 289 297) the Hoare annotation is: true [2019-09-20 13:08:32,730 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 289 297) no Hoare annotation was computed. [2019-09-20 13:08:32,730 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 259) no Hoare annotation was computed. [2019-09-20 13:08:32,730 INFO L443 ceAbstractionStarter]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 243 265) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 243 265) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 243 265) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point L539(lines 517 540) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 514) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 565) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point L519(lines 518 538) no Hoare annotation was computed. [2019-09-20 13:08:32,731 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-09-20 13:08:32,732 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2019-09-20 13:08:32,732 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-09-20 13:08:32,732 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 556) no Hoare annotation was computed. [2019-09-20 13:08:32,732 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-09-20 13:08:32,732 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-09-20 13:08:32,732 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2019-09-20 13:08:32,732 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 497) no Hoare annotation was computed. [2019-09-20 13:08:32,732 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 568) no Hoare annotation was computed. [2019-09-20 13:08:32,733 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-09-20 13:08:32,733 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2019-09-20 13:08:32,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:08:32,733 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:08:32,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:08:32,733 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 896) no Hoare annotation was computed. [2019-09-20 13:08:32,733 INFO L439 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-09-20 13:08:32,733 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 880 896) no Hoare annotation was computed. [2019-09-20 13:08:32,734 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-09-20 13:08:32,734 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2019-09-20 13:08:32,734 INFO L439 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-09-20 13:08:32,734 INFO L443 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2019-09-20 13:08:32,734 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 266 274) the Hoare annotation is: true [2019-09-20 13:08:32,734 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 266 274) no Hoare annotation was computed. [2019-09-20 13:08:32,734 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 266 274) no Hoare annotation was computed. [2019-09-20 13:08:32,734 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 961 979) no Hoare annotation was computed. [2019-09-20 13:08:32,735 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 974) no Hoare annotation was computed. [2019-09-20 13:08:32,735 INFO L446 ceAbstractionStarter]: At program point L968(line 968) the Hoare annotation is: true [2019-09-20 13:08:32,735 INFO L443 ceAbstractionStarter]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2019-09-20 13:08:32,735 INFO L443 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2019-09-20 13:08:32,735 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 961 979) the Hoare annotation is: true [2019-09-20 13:08:32,735 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 961 979) no Hoare annotation was computed. [2019-09-20 13:08:32,735 INFO L443 ceAbstractionStarter]: For program point L226-1(lines 222 233) no Hoare annotation was computed. [2019-09-20 13:08:32,735 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 222 233) the Hoare annotation is: true [2019-09-20 13:08:32,735 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 222 233) no Hoare annotation was computed. [2019-09-20 13:08:32,736 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:08:32,736 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:08:32,736 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:08:32,736 INFO L439 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (or .cse8 .cse4)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (not (= |old(~waterLevel~0)| 1))) (or (and .cse1 .cse5 (= 0 ~waterLevel~0)) (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse7 (not (< 0 |old(~waterLevel~0)|))) (or (or (or .cse4 .cse8) .cse0) .cse9 (and (and .cse1 (= 2 ~waterLevel~0)) .cse3)) (or (or (or .cse4 .cse7) .cse8) .cse9 (and .cse1 (<= ~waterLevel~0 1) .cse5 (< 0 ~waterLevel~0))) (or .cse6 (not (= |old(~waterLevel~0)| 0)) .cse7 (and .cse1 .cse5 .cse2))))) [2019-09-20 13:08:32,736 INFO L439 ceAbstractionStarter]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (let ((.cse10 (and .cse7 .cse12 .cse2)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (or .cse5 .cse3)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 1))) (and (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (< 0 ~waterLevel~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (or (or .cse3 .cse4) .cse5) .cse6 (and .cse7 .cse0 .cse8 .cse1))) (or .cse9 .cse10 .cse3 (not (= |old(~waterLevel~0)| 1))) (or (and .cse7 .cse8 (= 0 ~waterLevel~0)) (not (<= |old(~waterLevel~0)| 1)) .cse11 .cse4 (not (< 0 |old(~waterLevel~0)|))) (or (and .cse8 .cse12) .cse10 (or (or .cse3 .cse5) .cse9) .cse6) (or .cse11 (not (= |old(~waterLevel~0)| 0)) .cse4 (and .cse7 .cse8 .cse12))))) [2019-09-20 13:08:32,737 INFO L439 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (or .cse6 .cse5)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 0)) .cse1 (and .cse2 .cse3)) (or .cse4 .cse5 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse5 .cse6) .cse4) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (< 0 |old(~waterLevel~0)|)) (and .cse3 .cse2))))) [2019-09-20 13:08:32,737 INFO L443 ceAbstractionStarter]: For program point L792(lines 788 810) no Hoare annotation was computed. [2019-09-20 13:08:32,737 INFO L443 ceAbstractionStarter]: For program point L790(lines 788 810) no Hoare annotation was computed. [2019-09-20 13:08:32,737 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 785 811) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (or .cse10 .cse1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 1) .cse9)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 0)) .cse4 .cse5) (or .cse6 .cse4 .cse1 .cse7 .cse2) (or .cse0 .cse6 .cse1 .cse7 .cse2) (or .cse3 .cse4 (not (< 0 |old(~waterLevel~0)|)) .cse5) (or (and .cse8 .cse9) (or (or .cse1 .cse10) .cse0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and .cse9 .cse8) .cse1 .cse2)))) [2019-09-20 13:08:32,737 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 785 811) no Hoare annotation was computed. [2019-09-20 13:08:32,737 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 785 811) no Hoare annotation was computed. [2019-09-20 13:08:32,737 INFO L446 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2019-09-20 13:08:32,738 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2019-09-20 13:08:32,738 INFO L446 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2019-09-20 13:08:32,738 INFO L443 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2019-09-20 13:08:32,738 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2019-09-20 13:08:32,738 INFO L446 ceAbstractionStarter]: At program point L114(lines 89 118) the Hoare annotation is: true [2019-09-20 13:08:32,738 INFO L443 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2019-09-20 13:08:32,738 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-09-20 13:08:32,738 INFO L446 ceAbstractionStarter]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2019-09-20 13:08:32,739 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-09-20 13:08:32,739 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 234 242) the Hoare annotation is: true [2019-09-20 13:08:32,739 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 234 242) no Hoare annotation was computed. [2019-09-20 13:08:32,739 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 234 242) no Hoare annotation was computed. [2019-09-20 13:08:32,739 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 198 209) the Hoare annotation is: (let ((.cse0 (or (not (<= |old(~waterLevel~0)| 2)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (< 0 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 0)) .cse1 .cse2))) [2019-09-20 13:08:32,739 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 198 209) no Hoare annotation was computed. [2019-09-20 13:08:32,739 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 198 209) no Hoare annotation was computed. [2019-09-20 13:08:32,739 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2019-09-20 13:08:32,739 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2019-09-20 13:08:32,740 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:08:32,740 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 1) (< 0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:08:32,740 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:08:32,740 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:08:32,740 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 820 844) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse4 .cse5 .cse2 .cse0 .cse6) (or (not (= ~waterLevel~0 0)) .cse5 .cse4 .cse2 .cse0) (or .cse1 .cse3 .cse2 .cse0 .cse6))) [2019-09-20 13:08:32,740 INFO L439 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 0)) .cse4 .cse1 .cse2) (or (= ~pumpRunning~0 0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))) (or .cse4 .cse1 .cse2 .cse3))) [2019-09-20 13:08:32,740 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 836) no Hoare annotation was computed. [2019-09-20 13:08:32,740 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 820 844) no Hoare annotation was computed. [2019-09-20 13:08:32,741 INFO L439 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or (not (= ~waterLevel~0 0)) .cse4 .cse2 .cse0) (or .cse4 .cse2 .cse0 .cse5) (or .cse1 .cse3 .cse2 .cse0 .cse5))) [2019-09-20 13:08:32,741 INFO L443 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2019-09-20 13:08:32,741 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 841) no Hoare annotation was computed. [2019-09-20 13:08:32,741 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1))) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or .cse4 .cse5 .cse2 .cse0 .cse3) (or (not (= ~waterLevel~0 0)) .cse5 .cse4 .cse2 .cse0))) [2019-09-20 13:08:32,741 INFO L443 ceAbstractionStarter]: For program point L839-1(lines 820 844) no Hoare annotation was computed. [2019-09-20 13:08:32,741 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~waterLevel~0 0)) .cse5 .cse2 .cse3) (or .cse1 (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2))))) (or .cse5 .cse2 .cse3 .cse4))) [2019-09-20 13:08:32,741 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 210 221) no Hoare annotation was computed. [2019-09-20 13:08:32,742 INFO L443 ceAbstractionStarter]: For program point L214-1(lines 210 221) no Hoare annotation was computed. [2019-09-20 13:08:32,742 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 210 221) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (= 0 ~switchedOnBeforeTS~0) .cse0) .cse2 (not (= |old(~waterLevel~0)| 0)) .cse1) (or .cse2 (or .cse4 .cse0 .cse5)) (or .cse2 .cse0 .cse1 .cse6 .cse5) (or (or .cse4 .cse0) .cse6 .cse2 .cse3))) [2019-09-20 13:08:32,742 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-09-20 13:08:32,742 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-09-20 13:08:32,742 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-09-20 13:08:32,742 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-09-20 13:08:32,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:08:32 BoogieIcfgContainer [2019-09-20 13:08:32,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:08:32,761 INFO L168 Benchmark]: Toolchain (without parser) took 33103.39 ms. Allocated memory was 136.3 MB in the beginning and 729.3 MB in the end (delta: 593.0 MB). Free memory was 82.0 MB in the beginning and 87.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 615.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:32,762 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 101.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:08:32,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.90 ms. Allocated memory was 136.3 MB in the beginning and 196.6 MB in the end (delta: 60.3 MB). Free memory was 81.8 MB in the beginning and 160.6 MB in the end (delta: -78.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:32,764 INFO L168 Benchmark]: Boogie Preprocessor took 114.13 ms. Allocated memory is still 196.6 MB. Free memory was 160.6 MB in the beginning and 156.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:32,765 INFO L168 Benchmark]: RCFGBuilder took 1222.29 ms. Allocated memory was 196.6 MB in the beginning and 213.9 MB in the end (delta: 17.3 MB). Free memory was 156.7 MB in the beginning and 184.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:32,766 INFO L168 Benchmark]: TraceAbstraction took 31036.83 ms. Allocated memory was 213.9 MB in the beginning and 729.3 MB in the end (delta: 515.4 MB). Free memory was 184.5 MB in the beginning and 87.5 MB in the end (delta: 97.1 MB). Peak memory consumption was 639.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:08:32,770 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 101.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.90 ms. Allocated memory was 136.3 MB in the beginning and 196.6 MB in the end (delta: 60.3 MB). Free memory was 81.8 MB in the beginning and 160.6 MB in the end (delta: -78.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.13 ms. Allocated memory is still 196.6 MB. Free memory was 160.6 MB in the beginning and 156.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1222.29 ms. Allocated memory was 196.6 MB in the beginning and 213.9 MB in the end (delta: 17.3 MB). Free memory was 156.7 MB in the beginning and 184.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31036.83 ms. Allocated memory was 213.9 MB in the beginning and 729.3 MB in the end (delta: 515.4 MB). Free memory was 184.5 MB in the beginning and 87.5 MB in the end (delta: 97.1 MB). Peak memory consumption was 639.9 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: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && \old(waterLevel) == waterLevel) && pumpRunning == 0) || ((0 == splverifierCounter && waterLevel == 2) && pumpRunning == 1)) || ((pumpRunning == 1 && 0 == splverifierCounter && !(switchedOnBeforeTS == 0)) && 0 == waterLevel)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 1) && \old(waterLevel) <= waterLevel)) || (((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. SAFE Result, 30.9s OverallTime, 14 OverallIterations, 9 TraceHistogramMax, 15.4s AutomataDifference, 0.0s DeadEndRemovalTime, 9.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2967 SDtfs, 4954 SDslu, 8716 SDs, 0 SdLazy, 10696 SolverSat, 2933 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1801 GetRequests, 1581 SyntacticMatches, 2 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1231occurred in iteration=13, 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: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1018 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2634 PreInvPairs, 2734 NumberOfFragments, 2517 HoareAnnotationTreeSize, 2634 FomulaSimplifications, 34732 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 38157 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3838 NumberOfCodeBlocks, 3838 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3819 ConstructedInterpolants, 0 QuantifiedInterpolants, 1591823 SizeOfPredicates, 20 NumberOfNonLiveVariables, 6345 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2899/3099 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct!