java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:23,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:23,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:23,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:23,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:23,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:23,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:23,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:23,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:23,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:23,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:23,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:23,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:23,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:23,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:23,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:23,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:23,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:23,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:23,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:23,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:23,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:23,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:23,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:23,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:23,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:23,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:23,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:23,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:23,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:23,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:23,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:23,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:23,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:23,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:23,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:23,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:23,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:23,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:23,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:23,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:23,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:23,584 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:23,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:23,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:23,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:23,586 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:23,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:23,586 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:23,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:23,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:23,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:23,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:23,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:23,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:23,588 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:23,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:23,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:23,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:23,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:23,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:23,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:23,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:23,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:23,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:23,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:23,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:23,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:23,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:23,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:23,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:23,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:23,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:23,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:23,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:23,902 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:23,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2019-10-15 01:20:23,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845a60e04/c66cd9cb51884fabb4fd1537bea12461/FLAG65b17bb56 [2019-10-15 01:20:24,546 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:24,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2019-10-15 01:20:24,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845a60e04/c66cd9cb51884fabb4fd1537bea12461/FLAG65b17bb56 [2019-10-15 01:20:24,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845a60e04/c66cd9cb51884fabb4fd1537bea12461 [2019-10-15 01:20:24,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:24,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:24,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:24,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:24,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:24,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:24" (1/1) ... [2019-10-15 01:20:24,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3457a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:24, skipping insertion in model container [2019-10-15 01:20:24,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:24" (1/1) ... [2019-10-15 01:20:24,845 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:24,905 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:25,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:25,434 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:25,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:25,603 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:25,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25 WrapperNode [2019-10-15 01:20:25,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:25,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:25,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:25,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:25,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25" (1/1) ... [2019-10-15 01:20:25,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25" (1/1) ... [2019-10-15 01:20:25,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25" (1/1) ... [2019-10-15 01:20:25,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25" (1/1) ... [2019-10-15 01:20:25,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25" (1/1) ... [2019-10-15 01:20:25,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25" (1/1) ... [2019-10-15 01:20:25,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25" (1/1) ... [2019-10-15 01:20:25,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:25,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:25,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:25,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:25,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:26,964 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:26,965 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:26,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:26 BoogieIcfgContainer [2019-10-15 01:20:26,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:26,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:26,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:26,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:26,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:24" (1/3) ... [2019-10-15 01:20:26,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cebb447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:26, skipping insertion in model container [2019-10-15 01:20:26,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:25" (2/3) ... [2019-10-15 01:20:26,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cebb447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:26, skipping insertion in model container [2019-10-15 01:20:26,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:26" (3/3) ... [2019-10-15 01:20:26,976 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2019-10-15 01:20:26,986 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:26,997 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:27,009 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:27,038 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:27,038 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:27,039 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:27,039 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:27,039 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:27,039 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:27,039 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:27,039 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2019-10-15 01:20:27,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:27,076 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:27,077 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:27,079 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:27,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:27,086 INFO L82 PathProgramCache]: Analyzing trace with hash 2107173997, now seen corresponding path program 1 times [2019-10-15 01:20:27,098 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:27,098 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957165883] [2019-10-15 01:20:27,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:27,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:27,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:27,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957165883] [2019-10-15 01:20:27,490 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:27,491 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:27,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475224953] [2019-10-15 01:20:27,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:27,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:27,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:27,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:27,516 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 2 states. [2019-10-15 01:20:27,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:27,573 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2019-10-15 01:20:27,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:27,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 01:20:27,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:27,588 INFO L225 Difference]: With dead ends: 268 [2019-10-15 01:20:27,588 INFO L226 Difference]: Without dead ends: 134 [2019-10-15 01:20:27,593 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-15 01:20:27,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-15 01:20:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-15 01:20:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2019-10-15 01:20:27,650 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 52 [2019-10-15 01:20:27,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:27,651 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2019-10-15 01:20:27,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:27,651 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2019-10-15 01:20:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 01:20:27,655 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:27,656 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:27,656 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:27,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:27,658 INFO L82 PathProgramCache]: Analyzing trace with hash -167379318, now seen corresponding path program 1 times [2019-10-15 01:20:27,658 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:27,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610210993] [2019-10-15 01:20:27,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:27,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:27,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:27,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610210993] [2019-10-15 01:20:27,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:27,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:27,796 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988752325] [2019-10-15 01:20:27,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:27,799 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:27,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:27,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:27,800 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2019-10-15 01:20:27,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:27,848 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2019-10-15 01:20:27,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:27,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 01:20:27,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:27,853 INFO L225 Difference]: With dead ends: 217 [2019-10-15 01:20:27,853 INFO L226 Difference]: Without dead ends: 125 [2019-10-15 01:20:27,855 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:27,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-15 01:20:27,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-15 01:20:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-15 01:20:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-10-15 01:20:27,870 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2019-10-15 01:20:27,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:27,871 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-10-15 01:20:27,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-10-15 01:20:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:27,874 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:27,874 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:27,874 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:27,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:27,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1142127631, now seen corresponding path program 1 times [2019-10-15 01:20:27,875 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:27,875 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236001826] [2019-10-15 01:20:27,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:27,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:27,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:28,003 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236001826] [2019-10-15 01:20:28,003 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:28,003 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:28,003 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336941952] [2019-10-15 01:20:28,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:28,004 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:28,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:28,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:28,005 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 3 states. [2019-10-15 01:20:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:28,025 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2019-10-15 01:20:28,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:28,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-15 01:20:28,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:28,028 INFO L225 Difference]: With dead ends: 226 [2019-10-15 01:20:28,028 INFO L226 Difference]: Without dead ends: 125 [2019-10-15 01:20:28,029 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:28,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-15 01:20:28,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-15 01:20:28,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-15 01:20:28,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2019-10-15 01:20:28,043 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 57 [2019-10-15 01:20:28,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:28,044 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2019-10-15 01:20:28,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2019-10-15 01:20:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:20:28,048 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:28,048 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:28,052 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:28,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:28,052 INFO L82 PathProgramCache]: Analyzing trace with hash -410485180, now seen corresponding path program 1 times [2019-10-15 01:20:28,053 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:28,053 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746033923] [2019-10-15 01:20:28,053 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:28,053 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:28,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:28,252 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746033923] [2019-10-15 01:20:28,252 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:28,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:28,252 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844696781] [2019-10-15 01:20:28,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:28,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:28,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:28,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:28,254 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2019-10-15 01:20:28,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:28,837 INFO L93 Difference]: Finished difference Result 332 states and 399 transitions. [2019-10-15 01:20:28,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:28,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-15 01:20:28,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:28,846 INFO L225 Difference]: With dead ends: 332 [2019-10-15 01:20:28,846 INFO L226 Difference]: Without dead ends: 231 [2019-10-15 01:20:28,847 INFO L600 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 [2019-10-15 01:20:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-10-15 01:20:28,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 213. [2019-10-15 01:20:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-10-15 01:20:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 243 transitions. [2019-10-15 01:20:28,887 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 243 transitions. Word has length 70 [2019-10-15 01:20:28,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:28,888 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 243 transitions. [2019-10-15 01:20:28,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 243 transitions. [2019-10-15 01:20:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:20:28,891 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:28,891 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:28,892 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:28,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:28,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1731142584, now seen corresponding path program 1 times [2019-10-15 01:20:28,892 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:28,892 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915912593] [2019-10-15 01:20:28,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:28,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:28,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:29,009 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915912593] [2019-10-15 01:20:29,009 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:29,010 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:29,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609094718] [2019-10-15 01:20:29,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:29,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:29,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:29,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:29,013 INFO L87 Difference]: Start difference. First operand 213 states and 243 transitions. Second operand 6 states. [2019-10-15 01:20:29,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:29,224 INFO L93 Difference]: Finished difference Result 514 states and 619 transitions. [2019-10-15 01:20:29,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:29,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-15 01:20:29,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:29,234 INFO L225 Difference]: With dead ends: 514 [2019-10-15 01:20:29,234 INFO L226 Difference]: Without dead ends: 325 [2019-10-15 01:20:29,238 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:29,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-10-15 01:20:29,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 321. [2019-10-15 01:20:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2019-10-15 01:20:29,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 373 transitions. [2019-10-15 01:20:29,299 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 373 transitions. Word has length 84 [2019-10-15 01:20:29,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:29,300 INFO L462 AbstractCegarLoop]: Abstraction has 321 states and 373 transitions. [2019-10-15 01:20:29,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:29,300 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 373 transitions. [2019-10-15 01:20:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:29,307 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:29,308 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:29,308 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:29,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:29,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1024694334, now seen corresponding path program 1 times [2019-10-15 01:20:29,311 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:29,311 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792268335] [2019-10-15 01:20:29,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:29,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:29,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:29,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792268335] [2019-10-15 01:20:29,497 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:29,497 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:29,497 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227303306] [2019-10-15 01:20:29,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:29,498 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:29,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:29,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:29,498 INFO L87 Difference]: Start difference. First operand 321 states and 373 transitions. Second operand 6 states. [2019-10-15 01:20:29,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:29,766 INFO L93 Difference]: Finished difference Result 694 states and 840 transitions. [2019-10-15 01:20:29,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:29,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-15 01:20:29,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:29,775 INFO L225 Difference]: With dead ends: 694 [2019-10-15 01:20:29,775 INFO L226 Difference]: Without dead ends: 505 [2019-10-15 01:20:29,777 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:29,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-10-15 01:20:29,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 487. [2019-10-15 01:20:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2019-10-15 01:20:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 579 transitions. [2019-10-15 01:20:29,840 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 579 transitions. Word has length 88 [2019-10-15 01:20:29,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:29,841 INFO L462 AbstractCegarLoop]: Abstraction has 487 states and 579 transitions. [2019-10-15 01:20:29,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:29,841 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 579 transitions. [2019-10-15 01:20:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:29,844 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:29,844 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:29,844 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:29,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:29,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1947377917, now seen corresponding path program 1 times [2019-10-15 01:20:29,845 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:29,845 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162032153] [2019-10-15 01:20:29,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:29,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:29,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:29,932 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162032153] [2019-10-15 01:20:29,932 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:29,932 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:29,932 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504012399] [2019-10-15 01:20:29,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:29,934 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:29,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:29,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:29,935 INFO L87 Difference]: Start difference. First operand 487 states and 579 transitions. Second operand 5 states. [2019-10-15 01:20:29,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:29,974 INFO L93 Difference]: Finished difference Result 852 states and 1034 transitions. [2019-10-15 01:20:29,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:20:29,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-10-15 01:20:29,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:29,979 INFO L225 Difference]: With dead ends: 852 [2019-10-15 01:20:29,979 INFO L226 Difference]: Without dead ends: 497 [2019-10-15 01:20:29,981 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:29,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-10-15 01:20:30,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 491. [2019-10-15 01:20:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-10-15 01:20:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 582 transitions. [2019-10-15 01:20:30,019 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 582 transitions. Word has length 88 [2019-10-15 01:20:30,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:30,020 INFO L462 AbstractCegarLoop]: Abstraction has 491 states and 582 transitions. [2019-10-15 01:20:30,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 582 transitions. [2019-10-15 01:20:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:30,030 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:30,030 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:30,031 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:30,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:30,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1503583877, now seen corresponding path program 1 times [2019-10-15 01:20:30,031 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:30,031 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674940979] [2019-10-15 01:20:30,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:30,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:30,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:30,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674940979] [2019-10-15 01:20:30,161 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:30,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:20:30,162 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306614459] [2019-10-15 01:20:30,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:20:30,162 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:30,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:20:30,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:30,163 INFO L87 Difference]: Start difference. First operand 491 states and 582 transitions. Second operand 9 states. [2019-10-15 01:20:30,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:30,229 INFO L93 Difference]: Finished difference Result 964 states and 1166 transitions. [2019-10-15 01:20:30,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:30,229 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-10-15 01:20:30,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:30,234 INFO L225 Difference]: With dead ends: 964 [2019-10-15 01:20:30,234 INFO L226 Difference]: Without dead ends: 497 [2019-10-15 01:20:30,236 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:30,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-10-15 01:20:30,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 491. [2019-10-15 01:20:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-10-15 01:20:30,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 580 transitions. [2019-10-15 01:20:30,268 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 580 transitions. Word has length 88 [2019-10-15 01:20:30,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:30,269 INFO L462 AbstractCegarLoop]: Abstraction has 491 states and 580 transitions. [2019-10-15 01:20:30,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:20:30,269 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 580 transitions. [2019-10-15 01:20:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 01:20:30,272 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:30,272 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:30,272 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:30,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:30,273 INFO L82 PathProgramCache]: Analyzing trace with hash -254991864, now seen corresponding path program 1 times [2019-10-15 01:20:30,273 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:30,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371034655] [2019-10-15 01:20:30,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:30,274 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:30,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:30,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371034655] [2019-10-15 01:20:30,388 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:30,388 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:30,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518063822] [2019-10-15 01:20:30,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:30,389 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:30,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:30,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:30,390 INFO L87 Difference]: Start difference. First operand 491 states and 580 transitions. Second operand 10 states. [2019-10-15 01:20:30,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:30,649 INFO L93 Difference]: Finished difference Result 964 states and 1142 transitions. [2019-10-15 01:20:30,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 01:20:30,649 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2019-10-15 01:20:30,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:30,652 INFO L225 Difference]: With dead ends: 964 [2019-10-15 01:20:30,653 INFO L226 Difference]: Without dead ends: 497 [2019-10-15 01:20:30,654 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:30,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-10-15 01:20:30,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 480. [2019-10-15 01:20:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2019-10-15 01:20:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 549 transitions. [2019-10-15 01:20:30,682 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 549 transitions. Word has length 89 [2019-10-15 01:20:30,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:30,682 INFO L462 AbstractCegarLoop]: Abstraction has 480 states and 549 transitions. [2019-10-15 01:20:30,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 549 transitions. [2019-10-15 01:20:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-15 01:20:30,685 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:30,686 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:30,686 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:30,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:30,686 INFO L82 PathProgramCache]: Analyzing trace with hash 621122269, now seen corresponding path program 1 times [2019-10-15 01:20:30,687 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:30,687 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225030013] [2019-10-15 01:20:30,687 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:30,687 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:30,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:20:30,772 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225030013] [2019-10-15 01:20:30,772 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812837827] [2019-10-15 01:20:30,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:31,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-15 01:20:31,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:31,163 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:31,163 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:31,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-15 01:20:31,523 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:31,523 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-10-15 01:20:31,523 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841248025] [2019-10-15 01:20:31,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:31,528 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:31,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:31,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-10-15 01:20:31,529 INFO L87 Difference]: Start difference. First operand 480 states and 549 transitions. Second operand 8 states. [2019-10-15 01:20:32,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:32,814 INFO L93 Difference]: Finished difference Result 1265 states and 1556 transitions. [2019-10-15 01:20:32,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-15 01:20:32,815 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2019-10-15 01:20:32,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:32,824 INFO L225 Difference]: With dead ends: 1265 [2019-10-15 01:20:32,824 INFO L226 Difference]: Without dead ends: 922 [2019-10-15 01:20:32,827 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 265 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-10-15 01:20:32,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2019-10-15 01:20:32,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 841. [2019-10-15 01:20:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2019-10-15 01:20:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 985 transitions. [2019-10-15 01:20:32,939 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 985 transitions. Word has length 138 [2019-10-15 01:20:32,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:32,940 INFO L462 AbstractCegarLoop]: Abstraction has 841 states and 985 transitions. [2019-10-15 01:20:32,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:32,940 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 985 transitions. [2019-10-15 01:20:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-15 01:20:32,943 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:32,944 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:33,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:33,153 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:33,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:33,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1640588829, now seen corresponding path program 1 times [2019-10-15 01:20:33,154 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:33,154 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45460379] [2019-10-15 01:20:33,154 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:33,161 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:33,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:20:33,261 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45460379] [2019-10-15 01:20:33,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454177331] [2019-10-15 01:20:33,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:33,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-15 01:20:33,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:20:33,605 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:33,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:33,829 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 01:20:33,911 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:33,912 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-10-15 01:20:33,912 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719495540] [2019-10-15 01:20:33,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:20:33,913 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:33,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:20:33,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:33,914 INFO L87 Difference]: Start difference. First operand 841 states and 985 transitions. Second operand 9 states. [2019-10-15 01:20:34,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:34,324 INFO L93 Difference]: Finished difference Result 1587 states and 1914 transitions. [2019-10-15 01:20:34,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:34,325 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2019-10-15 01:20:34,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:34,326 INFO L225 Difference]: With dead ends: 1587 [2019-10-15 01:20:34,326 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:34,330 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 256 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-10-15 01:20:34,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:34,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:34,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:34,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2019-10-15 01:20:34,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:34,332 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:34,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:20:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:34,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:34,543 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:34,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:35,273 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 22 [2019-10-15 01:20:35,810 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2019-10-15 01:20:36,146 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2019-10-15 01:20:36,532 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 33 [2019-10-15 01:20:36,907 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2019-10-15 01:20:37,130 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 22 [2019-10-15 01:20:37,374 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2019-10-15 01:20:37,585 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2019-10-15 01:20:38,545 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 40 [2019-10-15 01:20:38,685 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2019-10-15 01:20:38,857 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 580) no Hoare annotation was computed. [2019-10-15 01:20:38,858 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 576 580) no Hoare annotation was computed. [2019-10-15 01:20:38,858 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-15 01:20:38,858 INFO L443 ceAbstractionStarter]: For program point L570-2(lines 570 591) no Hoare annotation was computed. [2019-10-15 01:20:38,858 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 545 600) no Hoare annotation was computed. [2019-10-15 01:20:38,858 INFO L443 ceAbstractionStarter]: For program point L592(lines 569 593) no Hoare annotation was computed. [2019-10-15 01:20:38,858 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 545 600) no Hoare annotation was computed. [2019-10-15 01:20:38,858 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 545 600) no Hoare annotation was computed. [2019-10-15 01:20:38,858 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 637) no Hoare annotation was computed. [2019-10-15 01:20:38,858 INFO L443 ceAbstractionStarter]: For program point L633-1(lines 633 637) no Hoare annotation was computed. [2019-10-15 01:20:38,859 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 601 660) no Hoare annotation was computed. [2019-10-15 01:20:38,859 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-15 01:20:38,859 INFO L443 ceAbstractionStarter]: For program point L627-2(lines 627 652) no Hoare annotation was computed. [2019-10-15 01:20:38,859 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 601 660) no Hoare annotation was computed. [2019-10-15 01:20:38,859 INFO L443 ceAbstractionStarter]: For program point L653(lines 626 654) no Hoare annotation was computed. [2019-10-15 01:20:38,859 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 601 660) no Hoare annotation was computed. [2019-10-15 01:20:38,859 INFO L443 ceAbstractionStarter]: For program point L646(line 646) no Hoare annotation was computed. [2019-10-15 01:20:38,859 INFO L443 ceAbstractionStarter]: For program point L646-1(line 646) no Hoare annotation was computed. [2019-10-15 01:20:38,859 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2019-10-15 01:20:38,859 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2019-10-15 01:20:38,860 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-15 01:20:38,860 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2019-10-15 01:20:38,860 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2019-10-15 01:20:38,860 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:20:38,860 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2019-10-15 01:20:38,860 INFO L439 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~9 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-10-15 01:20:38,860 INFO L439 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~9 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-10-15 01:20:38,860 INFO L443 ceAbstractionStarter]: For program point L941(lines 941 948) no Hoare annotation was computed. [2019-10-15 01:20:38,860 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2019-10-15 01:20:38,861 INFO L443 ceAbstractionStarter]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2019-10-15 01:20:38,861 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-15 01:20:38,861 INFO L439 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:20:38,861 INFO L439 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:20:38,861 INFO L439 ceAbstractionStarter]: At program point L937-1(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:20:38,861 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-10-15 01:20:38,862 INFO L443 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2019-10-15 01:20:38,862 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 890 913) no Hoare annotation was computed. [2019-10-15 01:20:38,862 INFO L443 ceAbstractionStarter]: For program point L895(line 895) no Hoare annotation was computed. [2019-10-15 01:20:38,862 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 890 913) no Hoare annotation was computed. [2019-10-15 01:20:38,862 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 890 913) no Hoare annotation was computed. [2019-10-15 01:20:38,862 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-15 01:20:38,862 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-15 01:20:38,862 INFO L443 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2019-10-15 01:20:38,862 INFO L443 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-10-15 01:20:38,863 INFO L443 ceAbstractionStarter]: For program point L904(line 904) no Hoare annotation was computed. [2019-10-15 01:20:38,863 INFO L443 ceAbstractionStarter]: For program point L903(line 903) no Hoare annotation was computed. [2019-10-15 01:20:38,863 INFO L443 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-10-15 01:20:38,863 INFO L443 ceAbstractionStarter]: For program point L901(line 901) no Hoare annotation was computed. [2019-10-15 01:20:38,863 INFO L443 ceAbstractionStarter]: For program point L900(line 900) no Hoare annotation was computed. [2019-10-15 01:20:38,863 INFO L443 ceAbstractionStarter]: For program point L899(line 899) no Hoare annotation was computed. [2019-10-15 01:20:38,863 INFO L443 ceAbstractionStarter]: For program point L898(line 898) no Hoare annotation was computed. [2019-10-15 01:20:38,863 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-15 01:20:38,863 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2019-10-15 01:20:38,863 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2019-10-15 01:20:38,864 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 241) no Hoare annotation was computed. [2019-10-15 01:20:38,864 INFO L446 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2019-10-15 01:20:38,864 INFO L443 ceAbstractionStarter]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2019-10-15 01:20:38,864 INFO L443 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2019-10-15 01:20:38,864 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2019-10-15 01:20:38,864 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2019-10-15 01:20:38,864 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2019-10-15 01:20:38,865 INFO L443 ceAbstractionStarter]: For program point L192(lines 192 200) no Hoare annotation was computed. [2019-10-15 01:20:38,865 INFO L443 ceAbstractionStarter]: For program point L192-2(lines 192 200) no Hoare annotation was computed. [2019-10-15 01:20:38,865 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 188) no Hoare annotation was computed. [2019-10-15 01:20:38,865 INFO L443 ceAbstractionStarter]: For program point L180-2(lines 180 188) no Hoare annotation was computed. [2019-10-15 01:20:38,865 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 173 208) no Hoare annotation was computed. [2019-10-15 01:20:38,865 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-15 01:20:38,865 INFO L443 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2019-10-15 01:20:38,865 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 173 208) no Hoare annotation was computed. [2019-10-15 01:20:38,866 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 173 208) no Hoare annotation was computed. [2019-10-15 01:20:38,866 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2019-10-15 01:20:38,867 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2019-10-15 01:20:38,867 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 499 544) no Hoare annotation was computed. [2019-10-15 01:20:38,867 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 499 544) no Hoare annotation was computed. [2019-10-15 01:20:38,867 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 499 544) no Hoare annotation was computed. [2019-10-15 01:20:38,867 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 839) no Hoare annotation was computed. [2019-10-15 01:20:38,867 INFO L443 ceAbstractionStarter]: For program point L826(lines 826 846) no Hoare annotation was computed. [2019-10-15 01:20:38,867 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 812 857) no Hoare annotation was computed. [2019-10-15 01:20:38,867 INFO L443 ceAbstractionStarter]: For program point L826-1(lines 826 846) no Hoare annotation was computed. [2019-10-15 01:20:38,868 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 812 857) no Hoare annotation was computed. [2019-10-15 01:20:38,868 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 812 857) no Hoare annotation was computed. [2019-10-15 01:20:38,868 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:20:38,868 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2019-10-15 01:20:38,868 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2019-10-15 01:20:38,868 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 153 163) no Hoare annotation was computed. [2019-10-15 01:20:38,868 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-15 01:20:38,868 INFO L443 ceAbstractionStarter]: For program point L158-1(line 158) no Hoare annotation was computed. [2019-10-15 01:20:38,869 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 153 163) no Hoare annotation was computed. [2019-10-15 01:20:38,869 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 153 163) no Hoare annotation was computed. [2019-10-15 01:20:38,869 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) (not (<= 1 ~systemActive~0))) [2019-10-15 01:20:38,869 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2019-10-15 01:20:38,869 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2019-10-15 01:20:38,869 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2019-10-15 01:20:38,869 INFO L443 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-10-15 01:20:38,869 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2019-10-15 01:20:38,870 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2019-10-15 01:20:38,870 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-15 01:20:38,870 INFO L439 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-15 01:20:38,870 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 128) no Hoare annotation was computed. [2019-10-15 01:20:38,870 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2019-10-15 01:20:38,870 INFO L439 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-15 01:20:38,870 INFO L443 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2019-10-15 01:20:38,871 INFO L443 ceAbstractionStarter]: For program point L116(lines 116 133) no Hoare annotation was computed. [2019-10-15 01:20:38,871 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0))) [2019-10-15 01:20:38,871 INFO L439 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:20:38,871 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2019-10-15 01:20:38,871 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2019-10-15 01:20:38,871 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2019-10-15 01:20:38,871 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:20:38,872 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (and .cse1 (= ~pumpRunning~0 0))) (and (and .cse1 (= ~pumpRunning~0 1)) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)))) [2019-10-15 01:20:38,872 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-10-15 01:20:38,872 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2019-10-15 01:20:38,872 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2019-10-15 01:20:38,872 INFO L439 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (= ~pumpRunning~0 0)) (<= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)))) [2019-10-15 01:20:38,872 INFO L439 ceAbstractionStarter]: At program point L304(lines 261 306) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (= ~pumpRunning~0 0)) (<= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)))) [2019-10-15 01:20:38,872 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 277) no Hoare annotation was computed. [2019-10-15 01:20:38,873 INFO L443 ceAbstractionStarter]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2019-10-15 01:20:38,873 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-10-15 01:20:38,873 INFO L439 ceAbstractionStarter]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-10-15 01:20:38,873 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 301) no Hoare annotation was computed. [2019-10-15 01:20:38,873 INFO L439 ceAbstractionStarter]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (and .cse1 (= ~pumpRunning~0 0))) (and (and .cse1 (= ~pumpRunning~0 1)) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)))) [2019-10-15 01:20:38,873 INFO L443 ceAbstractionStarter]: For program point L262(lines 261 306) no Hoare annotation was computed. [2019-10-15 01:20:38,873 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2019-10-15 01:20:38,874 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2019-10-15 01:20:38,874 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 766 811) no Hoare annotation was computed. [2019-10-15 01:20:38,874 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 766 811) no Hoare annotation was computed. [2019-10-15 01:20:38,874 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 793) no Hoare annotation was computed. [2019-10-15 01:20:38,874 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 766 811) no Hoare annotation was computed. [2019-10-15 01:20:38,874 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 800) no Hoare annotation was computed. [2019-10-15 01:20:38,874 INFO L443 ceAbstractionStarter]: For program point L780-1(lines 780 800) no Hoare annotation was computed. [2019-10-15 01:20:38,874 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2019-10-15 01:20:38,874 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2019-10-15 01:20:38,875 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2019-10-15 01:20:38,875 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 399 421) no Hoare annotation was computed. [2019-10-15 01:20:38,875 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 415) no Hoare annotation was computed. [2019-10-15 01:20:38,875 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 399 421) no Hoare annotation was computed. [2019-10-15 01:20:38,875 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2019-10-15 01:20:38,875 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 399 421) no Hoare annotation was computed. [2019-10-15 01:20:38,875 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 459 468) no Hoare annotation was computed. [2019-10-15 01:20:38,875 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 459 468) no Hoare annotation was computed. [2019-10-15 01:20:38,876 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 459 468) no Hoare annotation was computed. [2019-10-15 01:20:38,876 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 663 765) no Hoare annotation was computed. [2019-10-15 01:20:38,876 INFO L443 ceAbstractionStarter]: For program point L733(lines 711 734) no Hoare annotation was computed. [2019-10-15 01:20:38,876 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 708) no Hoare annotation was computed. [2019-10-15 01:20:38,876 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 759) no Hoare annotation was computed. [2019-10-15 01:20:38,876 INFO L443 ceAbstractionStarter]: For program point L713(lines 712 732) no Hoare annotation was computed. [2019-10-15 01:20:38,876 INFO L443 ceAbstractionStarter]: For program point L744(line 744) no Hoare annotation was computed. [2019-10-15 01:20:38,876 INFO L443 ceAbstractionStarter]: For program point L744-1(line 744) no Hoare annotation was computed. [2019-10-15 01:20:38,876 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 663 765) no Hoare annotation was computed. [2019-10-15 01:20:38,877 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 750) no Hoare annotation was computed. [2019-10-15 01:20:38,877 INFO L443 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2019-10-15 01:20:38,877 INFO L443 ceAbstractionStarter]: For program point L728-1(line 728) no Hoare annotation was computed. [2019-10-15 01:20:38,877 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 663 765) no Hoare annotation was computed. [2019-10-15 01:20:38,877 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2019-10-15 01:20:38,877 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 762) no Hoare annotation was computed. [2019-10-15 01:20:38,877 INFO L443 ceAbstractionStarter]: For program point L714(lines 714 718) no Hoare annotation was computed. [2019-10-15 01:20:38,877 INFO L443 ceAbstractionStarter]: For program point L712-2(lines 712 732) no Hoare annotation was computed. [2019-10-15 01:20:38,877 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:38,878 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:20:38,878 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:38,878 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2019-10-15 01:20:38,878 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2019-10-15 01:20:38,878 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) (not (<= 1 ~systemActive~0))) [2019-10-15 01:20:38,878 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2019-10-15 01:20:38,878 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-15 01:20:38,879 INFO L446 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2019-10-15 01:20:38,879 INFO L443 ceAbstractionStarter]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2019-10-15 01:20:38,879 INFO L443 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2019-10-15 01:20:38,879 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2019-10-15 01:20:38,879 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2019-10-15 01:20:38,879 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2019-10-15 01:20:38,879 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2019-10-15 01:20:38,879 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2019-10-15 01:20:38,880 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2019-10-15 01:20:38,880 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: true [2019-10-15 01:20:38,880 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2019-10-15 01:20:38,880 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:38,880 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:38,881 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:38,881 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2019-10-15 01:20:38,881 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2019-10-15 01:20:38,881 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2019-10-15 01:20:38,881 INFO L439 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~systemActive~0)))) (let ((.cse2 (< ~waterLevel~0 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (<= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse10 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse2 .cse5) .cse1 .cse6 (and (< ~waterLevel~0 3) .cse7 .cse5) .cse3)) (let ((.cse9 (<= 1 ~waterLevel~0))) (or (and .cse8 .cse9 .cse4) (and .cse8 .cse7 .cse9) .cse6 (not (<= 2 |old(~waterLevel~0)|)) .cse10)) (or .cse0 (and .cse8 .cse7) (and .cse8 .cse4) .cse10)))) [2019-10-15 01:20:38,881 INFO L439 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~systemActive~0)))) (let ((.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse0 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 1) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2)))) [2019-10-15 01:20:38,882 INFO L443 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2019-10-15 01:20:38,882 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0)))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (< ~waterLevel~0 3)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0) .cse3) .cse4) (or .cse5 .cse0 (<= ~waterLevel~0 1) .cse4) (or .cse5 (< ~waterLevel~0 2) .cse6) (or .cse1 (and .cse2 (= ~pumpRunning~0 1) .cse3) .cse6)))) [2019-10-15 01:20:38,882 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2019-10-15 01:20:38,882 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2019-10-15 01:20:38,882 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~systemActive~0)))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2))) (and (or .cse0 .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse2) (or (<= 1 ~waterLevel~0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse1 (and .cse3 (= ~pumpRunning~0 1)) .cse4)))) [2019-10-15 01:20:38,882 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-10-15 01:20:38,883 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2019-10-15 01:20:38,883 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: true [2019-10-15 01:20:38,883 INFO L446 ceAbstractionStarter]: At program point L885(lines 860 889) the Hoare annotation is: true [2019-10-15 01:20:38,883 INFO L443 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2019-10-15 01:20:38,883 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2019-10-15 01:20:38,884 INFO L446 ceAbstractionStarter]: At program point L874-1(lines 874 878) the Hoare annotation is: true [2019-10-15 01:20:38,884 INFO L443 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2019-10-15 01:20:38,884 INFO L446 ceAbstractionStarter]: At program point L870-2(lines 870 884) the Hoare annotation is: true [2019-10-15 01:20:38,884 INFO L446 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2019-10-15 01:20:38,884 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2019-10-15 01:20:38,885 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2019-10-15 01:20:38,885 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (< ~waterLevel~0 3)) (not (= 1 ~pumpRunning~0)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:20:38,885 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2019-10-15 01:20:38,885 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-15 01:20:38,885 INFO L443 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2019-10-15 01:20:38,885 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 346) no Hoare annotation was computed. [2019-10-15 01:20:38,885 INFO L443 ceAbstractionStarter]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2019-10-15 01:20:38,886 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-10-15 01:20:38,886 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-10-15 01:20:38,886 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:20:38,887 INFO L446 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2019-10-15 01:20:38,887 INFO L443 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2019-10-15 01:20:38,887 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= 0 ~pumpRunning~0) (not (<= 1 ~systemActive~0))))) (and (or (not (< |old(~waterLevel~0)| 3)) (and (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 1) .cse1))) [2019-10-15 01:20:38,887 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2019-10-15 01:20:38,888 INFO L443 ceAbstractionStarter]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2019-10-15 01:20:38,888 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2019-10-15 01:20:38,888 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2019-10-15 01:20:38,888 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:38,889 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-15 01:20:38,889 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:38,889 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:38,889 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0))) [2019-10-15 01:20:38,889 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0)))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (and .cse0 (< ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~0) .cse0) .cse1)) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2019-10-15 01:20:38,889 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2019-10-15 01:20:38,890 INFO L439 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:20:38,890 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2019-10-15 01:20:38,890 INFO L443 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2019-10-15 01:20:38,890 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2019-10-15 01:20:38,890 INFO L439 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-15 01:20:38,890 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2019-10-15 01:20:38,890 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:20:38,890 INFO L443 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2019-10-15 01:20:38,891 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2019-10-15 01:20:38,891 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 ~pumpRunning~0)) (and (<= ~waterLevel~0 1) .cse0) .cse1) (or (not (< |old(~waterLevel~0)| 3)) .cse2 (and (< ~waterLevel~0 3) .cse0) .cse1) (or (or (not (< |old(~waterLevel~0)| 2)) .cse2 .cse1) (< ~waterLevel~0 2)))) [2019-10-15 01:20:38,891 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-10-15 01:20:38,891 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2019-10-15 01:20:38,891 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2019-10-15 01:20:38,891 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2019-10-15 01:20:38,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:38 BoogieIcfgContainer [2019-10-15 01:20:38,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:38,915 INFO L168 Benchmark]: Toolchain (without parser) took 14086.62 ms. Allocated memory was 139.5 MB in the beginning and 407.9 MB in the end (delta: 268.4 MB). Free memory was 103.7 MB in the beginning and 267.7 MB in the end (delta: -164.0 MB). Peak memory consumption was 283.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:38,916 INFO L168 Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:38,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.12 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 103.4 MB in the beginning and 169.3 MB in the end (delta: -65.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:38,923 INFO L168 Benchmark]: Boogie Preprocessor took 103.64 ms. Allocated memory is still 204.5 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:38,923 INFO L168 Benchmark]: RCFGBuilder took 1259.40 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 165.2 MB in the beginning and 191.7 MB in the end (delta: -26.5 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:38,925 INFO L168 Benchmark]: TraceAbstraction took 11943.77 ms. Allocated memory was 234.4 MB in the beginning and 407.9 MB in the end (delta: 173.5 MB). Free memory was 191.7 MB in the beginning and 267.7 MB in the end (delta: -75.9 MB). Peak memory consumption was 276.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:38,928 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 775.12 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 103.4 MB in the beginning and 169.3 MB in the end (delta: -65.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.64 ms. Allocated memory is still 204.5 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1259.40 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 165.2 MB in the beginning and 191.7 MB in the end (delta: -26.5 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11943.77 ms. Allocated memory was 234.4 MB in the beginning and 407.9 MB in the end (delta: 173.5 MB). Free memory was 191.7 MB in the beginning and 267.7 MB in the end (delta: -75.9 MB). Peak memory consumption was 276.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: 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: 261]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && pumpRunning == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(1 <= systemActive) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 <= systemActive) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Result: SAFE, OverallTime: 11.8s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, HoareTripleCheckerStatistics: 1803 SDtfs, 1456 SDslu, 4815 SDs, 0 SdLazy, 1692 SolverSat, 505 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 646 GetRequests, 554 SyntacticMatches, 8 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=841occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 150 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1614 PreInvPairs, 1722 NumberOfFragments, 1237 HoareAnnotationTreeSize, 1614 FomulaSimplifications, 2573 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 13510 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1213 NumberOfCodeBlocks, 1213 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1470 ConstructedInterpolants, 0 QuantifiedInterpolants, 272223 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1685 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 134/144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...