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_spec2_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:56,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:56,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:56,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:56,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:56,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:56,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:56,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:56,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:56,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:56,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:56,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:56,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:56,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:56,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:56,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:56,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:56,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:56,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:56,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:56,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:56,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:56,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:56,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:56,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:56,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:56,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:56,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:56,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:56,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:56,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:56,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:56,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:56,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:56,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:56,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:56,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:56,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:56,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:56,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:56,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:56,555 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 [2019-10-13 21:20:56,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:56,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:56,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:56,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:56,577 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:56,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:56,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:56,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:56,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:56,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:56,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:56,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:56,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:56,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:56,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:56,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:56,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:56,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:56,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:56,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:56,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:56,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:56,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:56,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:56,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:56,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:56,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:56,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:56,583 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 [2019-10-13 21:20:56,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:56,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:56,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:56,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:56,940 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:56,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2019-10-13 21:20:57,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272c4abd4/7345000a22e74f60905043e0646399f4/FLAGf09c040b7 [2019-10-13 21:20:57,593 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:57,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2019-10-13 21:20:57,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272c4abd4/7345000a22e74f60905043e0646399f4/FLAGf09c040b7 [2019-10-13 21:20:57,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272c4abd4/7345000a22e74f60905043e0646399f4 [2019-10-13 21:20:57,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:57,852 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:57,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:57,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:57,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:57,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:57" (1/1) ... [2019-10-13 21:20:57,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4924bc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:57, skipping insertion in model container [2019-10-13 21:20:57,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:57" (1/1) ... [2019-10-13 21:20:57,870 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:57,929 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:58,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:58,403 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:58,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:58,565 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:58,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58 WrapperNode [2019-10-13 21:20:58,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:58,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:58,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:58,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:58,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58" (1/1) ... [2019-10-13 21:20:58,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58" (1/1) ... [2019-10-13 21:20:58,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58" (1/1) ... [2019-10-13 21:20:58,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58" (1/1) ... [2019-10-13 21:20:58,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58" (1/1) ... [2019-10-13 21:20:58,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58" (1/1) ... [2019-10-13 21:20:58,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58" (1/1) ... [2019-10-13 21:20:58,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:58,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:58,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:58,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:58,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58" (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 [2019-10-13 21:20:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:20:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:20:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:20:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:20:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:58,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:58,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:58,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:58,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:58,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:58,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:58,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:58,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:58,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:58,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:58,790 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:00,100 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:00,101 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:00,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:00 BoogieIcfgContainer [2019-10-13 21:21:00,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:00,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:00,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:00,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:00,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:57" (1/3) ... [2019-10-13 21:21:00,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23699cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:00, skipping insertion in model container [2019-10-13 21:21:00,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:58" (2/3) ... [2019-10-13 21:21:00,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23699cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:00, skipping insertion in model container [2019-10-13 21:21:00,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:00" (3/3) ... [2019-10-13 21:21:00,112 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2019-10-13 21:21:00,123 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:00,132 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:00,144 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:00,173 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:00,173 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:00,173 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:00,173 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:00,174 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:00,174 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:00,174 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:00,174 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2019-10-13 21:21:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:21:00,210 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:00,211 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] [2019-10-13 21:21:00,214 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:00,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:00,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1134611440, now seen corresponding path program 1 times [2019-10-13 21:21:00,227 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:00,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308332595] [2019-10-13 21:21:00,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:00,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:00,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:00,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308332595] [2019-10-13 21:21:00,629 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:00,630 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:00,631 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979820569] [2019-10-13 21:21:00,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:00,642 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:00,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:00,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:00,661 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 2 states. [2019-10-13 21:21:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:00,711 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2019-10-13 21:21:00,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:00,713 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-13 21:21:00,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:00,728 INFO L225 Difference]: With dead ends: 304 [2019-10-13 21:21:00,729 INFO L226 Difference]: Without dead ends: 154 [2019-10-13 21:21:00,734 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 [2019-10-13 21:21:00,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-13 21:21:00,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-10-13 21:21:00,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-13 21:21:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 184 transitions. [2019-10-13 21:21:00,815 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 184 transitions. Word has length 51 [2019-10-13 21:21:00,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:00,816 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 184 transitions. [2019-10-13 21:21:00,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:00,816 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 184 transitions. [2019-10-13 21:21:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:00,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:00,820 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] [2019-10-13 21:21:00,820 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:00,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:00,821 INFO L82 PathProgramCache]: Analyzing trace with hash -179918531, now seen corresponding path program 1 times [2019-10-13 21:21:00,821 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:00,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510260579] [2019-10-13 21:21:00,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:00,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:00,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:00,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:00,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510260579] [2019-10-13 21:21:00,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:00,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:00,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457019486] [2019-10-13 21:21:00,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:00,941 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:00,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:00,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:00,943 INFO L87 Difference]: Start difference. First operand 154 states and 184 transitions. Second operand 3 states. [2019-10-13 21:21:00,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:00,989 INFO L93 Difference]: Finished difference Result 247 states and 295 transitions. [2019-10-13 21:21:00,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:00,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 21:21:00,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:00,993 INFO L225 Difference]: With dead ends: 247 [2019-10-13 21:21:00,994 INFO L226 Difference]: Without dead ends: 145 [2019-10-13 21:21:00,998 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 [2019-10-13 21:21:00,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-13 21:21:01,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-10-13 21:21:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-13 21:21:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2019-10-13 21:21:01,027 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 52 [2019-10-13 21:21:01,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:01,028 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2019-10-13 21:21:01,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2019-10-13 21:21:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 21:21:01,032 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:01,033 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] [2019-10-13 21:21:01,033 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:01,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:01,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1227863388, now seen corresponding path program 1 times [2019-10-13 21:21:01,034 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:01,034 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637250403] [2019-10-13 21:21:01,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:01,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:01,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:01,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:01,267 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637250403] [2019-10-13 21:21:01,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:01,267 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:01,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621708190] [2019-10-13 21:21:01,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:01,269 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:01,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:01,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:01,270 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 7 states. [2019-10-13 21:21:01,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:01,864 INFO L93 Difference]: Finished difference Result 430 states and 528 transitions. [2019-10-13 21:21:01,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:01,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 21:21:01,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:01,869 INFO L225 Difference]: With dead ends: 430 [2019-10-13 21:21:01,869 INFO L226 Difference]: Without dead ends: 313 [2019-10-13 21:21:01,871 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:01,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-10-13 21:21:01,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 305. [2019-10-13 21:21:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-10-13 21:21:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 374 transitions. [2019-10-13 21:21:01,908 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 374 transitions. Word has length 56 [2019-10-13 21:21:01,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:01,909 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 374 transitions. [2019-10-13 21:21:01,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 374 transitions. [2019-10-13 21:21:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 21:21:01,912 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:01,912 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] [2019-10-13 21:21:01,913 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:01,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:01,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1601957820, now seen corresponding path program 1 times [2019-10-13 21:21:01,913 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:01,913 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383828945] [2019-10-13 21:21:01,914 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:01,914 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:01,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:02,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383828945] [2019-10-13 21:21:02,096 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:02,097 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:02,097 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773113266] [2019-10-13 21:21:02,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:02,098 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:02,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:02,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:02,098 INFO L87 Difference]: Start difference. First operand 305 states and 374 transitions. Second operand 6 states. [2019-10-13 21:21:02,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:02,337 INFO L93 Difference]: Finished difference Result 841 states and 1056 transitions. [2019-10-13 21:21:02,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:02,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-13 21:21:02,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:02,343 INFO L225 Difference]: With dead ends: 841 [2019-10-13 21:21:02,343 INFO L226 Difference]: Without dead ends: 564 [2019-10-13 21:21:02,345 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:02,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-10-13 21:21:02,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2019-10-13 21:21:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2019-10-13 21:21:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 688 transitions. [2019-10-13 21:21:02,436 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 688 transitions. Word has length 62 [2019-10-13 21:21:02,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:02,438 INFO L462 AbstractCegarLoop]: Abstraction has 558 states and 688 transitions. [2019-10-13 21:21:02,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 688 transitions. [2019-10-13 21:21:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 21:21:02,444 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:02,444 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] [2019-10-13 21:21:02,444 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:02,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:02,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1204720808, now seen corresponding path program 1 times [2019-10-13 21:21:02,445 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:02,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853459237] [2019-10-13 21:21:02,446 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:02,446 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:02,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:02,596 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853459237] [2019-10-13 21:21:02,597 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:02,597 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:02,597 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516683034] [2019-10-13 21:21:02,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:02,600 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:02,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:02,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:02,602 INFO L87 Difference]: Start difference. First operand 558 states and 688 transitions. Second operand 7 states. [2019-10-13 21:21:03,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:03,336 INFO L93 Difference]: Finished difference Result 1437 states and 1898 transitions. [2019-10-13 21:21:03,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:21:03,337 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-13 21:21:03,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:03,346 INFO L225 Difference]: With dead ends: 1437 [2019-10-13 21:21:03,347 INFO L226 Difference]: Without dead ends: 907 [2019-10-13 21:21:03,350 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:03,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2019-10-13 21:21:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 811. [2019-10-13 21:21:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-10-13 21:21:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 991 transitions. [2019-10-13 21:21:03,432 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 991 transitions. Word has length 66 [2019-10-13 21:21:03,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:03,434 INFO L462 AbstractCegarLoop]: Abstraction has 811 states and 991 transitions. [2019-10-13 21:21:03,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:03,435 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 991 transitions. [2019-10-13 21:21:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:21:03,440 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:03,440 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, 1, 1, 1, 1] [2019-10-13 21:21:03,440 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:03,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:03,441 INFO L82 PathProgramCache]: Analyzing trace with hash -763723638, now seen corresponding path program 1 times [2019-10-13 21:21:03,441 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:03,441 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651606996] [2019-10-13 21:21:03,442 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:03,442 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:03,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:03,583 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651606996] [2019-10-13 21:21:03,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:03,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:03,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361883509] [2019-10-13 21:21:03,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:03,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:03,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:03,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:03,586 INFO L87 Difference]: Start difference. First operand 811 states and 991 transitions. Second operand 6 states. [2019-10-13 21:21:03,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:03,651 INFO L93 Difference]: Finished difference Result 1614 states and 2012 transitions. [2019-10-13 21:21:03,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:03,652 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-10-13 21:21:03,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:03,657 INFO L225 Difference]: With dead ends: 1614 [2019-10-13 21:21:03,657 INFO L226 Difference]: Without dead ends: 831 [2019-10-13 21:21:03,660 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:03,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2019-10-13 21:21:03,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2019-10-13 21:21:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2019-10-13 21:21:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1011 transitions. [2019-10-13 21:21:03,712 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1011 transitions. Word has length 93 [2019-10-13 21:21:03,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:03,712 INFO L462 AbstractCegarLoop]: Abstraction has 831 states and 1011 transitions. [2019-10-13 21:21:03,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1011 transitions. [2019-10-13 21:21:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:21:03,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:03,715 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, 1, 1, 1, 1] [2019-10-13 21:21:03,715 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:03,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:03,715 INFO L82 PathProgramCache]: Analyzing trace with hash -836110196, now seen corresponding path program 1 times [2019-10-13 21:21:03,716 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:03,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064619688] [2019-10-13 21:21:03,716 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:03,716 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:03,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:03,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064619688] [2019-10-13 21:21:03,809 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:03,809 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:21:03,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647733238] [2019-10-13 21:21:03,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:03,810 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:03,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:03,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:03,811 INFO L87 Difference]: Start difference. First operand 831 states and 1011 transitions. Second operand 8 states. [2019-10-13 21:21:03,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:03,869 INFO L93 Difference]: Finished difference Result 1662 states and 2098 transitions. [2019-10-13 21:21:03,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:03,869 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2019-10-13 21:21:03,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:03,875 INFO L225 Difference]: With dead ends: 1662 [2019-10-13 21:21:03,875 INFO L226 Difference]: Without dead ends: 859 [2019-10-13 21:21:03,878 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:03,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2019-10-13 21:21:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 847. [2019-10-13 21:21:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2019-10-13 21:21:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2019-10-13 21:21:03,924 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 93 [2019-10-13 21:21:03,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:03,925 INFO L462 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2019-10-13 21:21:03,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2019-10-13 21:21:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:21:03,927 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:03,927 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, 1, 1, 1, 1] [2019-10-13 21:21:03,927 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:03,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:03,928 INFO L82 PathProgramCache]: Analyzing trace with hash -506344435, now seen corresponding path program 1 times [2019-10-13 21:21:03,928 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:03,928 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560764510] [2019-10-13 21:21:03,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:03,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:03,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:04,003 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560764510] [2019-10-13 21:21:04,003 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:04,003 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:21:04,004 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511221774] [2019-10-13 21:21:04,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:21:04,004 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:04,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:21:04,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:04,005 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 4 states. [2019-10-13 21:21:04,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:04,328 INFO L93 Difference]: Finished difference Result 2733 states and 3478 transitions. [2019-10-13 21:21:04,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:21:04,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-10-13 21:21:04,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:04,339 INFO L225 Difference]: With dead ends: 2733 [2019-10-13 21:21:04,339 INFO L226 Difference]: Without dead ends: 1914 [2019-10-13 21:21:04,343 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:04,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2019-10-13 21:21:04,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1883. [2019-10-13 21:21:04,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1883 states. [2019-10-13 21:21:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2343 transitions. [2019-10-13 21:21:04,472 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2343 transitions. Word has length 93 [2019-10-13 21:21:04,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:04,472 INFO L462 AbstractCegarLoop]: Abstraction has 1883 states and 2343 transitions. [2019-10-13 21:21:04,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:21:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2343 transitions. [2019-10-13 21:21:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:21:04,476 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:04,477 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:04,477 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:04,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:04,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1600364013, now seen corresponding path program 1 times [2019-10-13 21:21:04,478 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:04,478 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793164690] [2019-10-13 21:21:04,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:04,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:04,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:04,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793164690] [2019-10-13 21:21:04,547 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:04,548 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:04,548 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563861655] [2019-10-13 21:21:04,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:04,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:04,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:04,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:04,549 INFO L87 Difference]: Start difference. First operand 1883 states and 2343 transitions. Second operand 3 states. [2019-10-13 21:21:04,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:04,674 INFO L93 Difference]: Finished difference Result 3058 states and 3917 transitions. [2019-10-13 21:21:04,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:04,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2019-10-13 21:21:04,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:04,697 INFO L225 Difference]: With dead ends: 3058 [2019-10-13 21:21:04,697 INFO L226 Difference]: Without dead ends: 3055 [2019-10-13 21:21:04,700 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:04,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2019-10-13 21:21:04,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2895. [2019-10-13 21:21:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2019-10-13 21:21:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3721 transitions. [2019-10-13 21:21:04,964 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3721 transitions. Word has length 97 [2019-10-13 21:21:04,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:04,965 INFO L462 AbstractCegarLoop]: Abstraction has 2895 states and 3721 transitions. [2019-10-13 21:21:04,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3721 transitions. [2019-10-13 21:21:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-13 21:21:04,982 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:04,983 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:04,983 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:04,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:04,983 INFO L82 PathProgramCache]: Analyzing trace with hash -882849354, now seen corresponding path program 1 times [2019-10-13 21:21:04,984 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:04,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012402409] [2019-10-13 21:21:04,984 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:04,984 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:04,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:21:05,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012402409] [2019-10-13 21:21:05,116 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56133523] [2019-10-13 21:21:05,116 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 [2019-10-13 21:21:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:05,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-13 21:21:05,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 47 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 21:21:05,572 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:05,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:05,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:21:06,143 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [930194620] [2019-10-13 21:21:06,149 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 165 [2019-10-13 21:21:06,196 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:06,196 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:06,280 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:06,283 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:21:06,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:06,287 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:06,392 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:06,392 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:06,397 INFO L553 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2019-10-13 21:21:06,397 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:06,398 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:06,398 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 7, 9] total 19 [2019-10-13 21:21:06,398 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187225260] [2019-10-13 21:21:06,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:06,400 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:06,400 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:06,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:06,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:06,401 INFO L87 Difference]: Start difference. First operand 2895 states and 3721 transitions. Second operand 2 states. [2019-10-13 21:21:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:06,442 INFO L93 Difference]: Finished difference Result 2895 states and 3721 transitions. [2019-10-13 21:21:06,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:06,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 164 [2019-10-13 21:21:06,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:06,443 INFO L225 Difference]: With dead ends: 2895 [2019-10-13 21:21:06,443 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:06,451 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:06,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:06,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:06,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2019-10-13 21:21:06,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:06,453 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:06,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:06,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:06,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:06,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:06,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:07,250 INFO L443 ceAbstractionStarter]: For program point L579-2(lines 579 600) no Hoare annotation was computed. [2019-10-13 21:21:07,251 INFO L443 ceAbstractionStarter]: For program point L601(lines 578 602) no Hoare annotation was computed. [2019-10-13 21:21:07,251 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 554 609) no Hoare annotation was computed. [2019-10-13 21:21:07,251 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 589) no Hoare annotation was computed. [2019-10-13 21:21:07,251 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2019-10-13 21:21:07,251 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 554 609) no Hoare annotation was computed. [2019-10-13 21:21:07,252 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 21:21:07,252 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 554 609) no Hoare annotation was computed. [2019-10-13 21:21:07,252 INFO L443 ceAbstractionStarter]: For program point L642-1(lines 642 646) no Hoare annotation was computed. [2019-10-13 21:21:07,252 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-10-13 21:21:07,252 INFO L443 ceAbstractionStarter]: For program point L636-2(lines 636 661) no Hoare annotation was computed. [2019-10-13 21:21:07,254 INFO L443 ceAbstractionStarter]: For program point L662(lines 635 663) no Hoare annotation was computed. [2019-10-13 21:21:07,255 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 610 669) no Hoare annotation was computed. [2019-10-13 21:21:07,255 INFO L443 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2019-10-13 21:21:07,255 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 610 669) no Hoare annotation was computed. [2019-10-13 21:21:07,255 INFO L443 ceAbstractionStarter]: For program point L655-1(line 655) no Hoare annotation was computed. [2019-10-13 21:21:07,255 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 610 669) no Hoare annotation was computed. [2019-10-13 21:21:07,255 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 646) no Hoare annotation was computed. [2019-10-13 21:21:07,256 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 21:21:07,256 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 21:21:07,256 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:21:07,259 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 21:21:07,260 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:21:07,260 INFO L446 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: true [2019-10-13 21:21:07,260 INFO L446 ceAbstractionStarter]: At program point L993-1(line 993) the Hoare annotation is: true [2019-10-13 21:21:07,260 INFO L443 ceAbstractionStarter]: For program point L991(lines 991 998) no Hoare annotation was computed. [2019-10-13 21:21:07,260 INFO L443 ceAbstractionStarter]: For program point L991-1(lines 991 998) no Hoare annotation was computed. [2019-10-13 21:21:07,260 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 981 1003) the Hoare annotation is: true [2019-10-13 21:21:07,260 INFO L443 ceAbstractionStarter]: For program point L989(line 989) no Hoare annotation was computed. [2019-10-13 21:21:07,261 INFO L446 ceAbstractionStarter]: At program point L988(line 988) the Hoare annotation is: true [2019-10-13 21:21:07,261 INFO L446 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: true [2019-10-13 21:21:07,261 INFO L446 ceAbstractionStarter]: At program point L987-1(line 987) the Hoare annotation is: true [2019-10-13 21:21:07,261 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 981 1003) no Hoare annotation was computed. [2019-10-13 21:21:07,261 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 981 1003) no Hoare annotation was computed. [2019-10-13 21:21:07,261 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 939 962) no Hoare annotation was computed. [2019-10-13 21:21:07,261 INFO L443 ceAbstractionStarter]: For program point L957(line 957) no Hoare annotation was computed. [2019-10-13 21:21:07,261 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 939 962) no Hoare annotation was computed. [2019-10-13 21:21:07,261 INFO L443 ceAbstractionStarter]: For program point L956(line 956) no Hoare annotation was computed. [2019-10-13 21:21:07,262 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 939 962) no Hoare annotation was computed. [2019-10-13 21:21:07,262 INFO L443 ceAbstractionStarter]: For program point L955(line 955) no Hoare annotation was computed. [2019-10-13 21:21:07,262 INFO L443 ceAbstractionStarter]: For program point L954(line 954) no Hoare annotation was computed. [2019-10-13 21:21:07,262 INFO L443 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2019-10-13 21:21:07,262 INFO L443 ceAbstractionStarter]: For program point L952(line 952) no Hoare annotation was computed. [2019-10-13 21:21:07,262 INFO L443 ceAbstractionStarter]: For program point L951(line 951) no Hoare annotation was computed. [2019-10-13 21:21:07,262 INFO L443 ceAbstractionStarter]: For program point L950(line 950) no Hoare annotation was computed. [2019-10-13 21:21:07,262 INFO L443 ceAbstractionStarter]: For program point L949(line 949) no Hoare annotation was computed. [2019-10-13 21:21:07,262 INFO L443 ceAbstractionStarter]: For program point L948(line 948) no Hoare annotation was computed. [2019-10-13 21:21:07,263 INFO L443 ceAbstractionStarter]: For program point L947(line 947) no Hoare annotation was computed. [2019-10-13 21:21:07,263 INFO L443 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2019-10-13 21:21:07,263 INFO L443 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2019-10-13 21:21:07,263 INFO L443 ceAbstractionStarter]: For program point L944(line 944) no Hoare annotation was computed. [2019-10-13 21:21:07,263 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 486 500) no Hoare annotation was computed. [2019-10-13 21:21:07,263 INFO L446 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: true [2019-10-13 21:21:07,263 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-10-13 21:21:07,264 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 486 500) the Hoare annotation is: true [2019-10-13 21:21:07,264 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 486 500) no Hoare annotation was computed. [2019-10-13 21:21:07,264 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 403 411) no Hoare annotation was computed. [2019-10-13 21:21:07,264 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 403 411) the Hoare annotation is: true [2019-10-13 21:21:07,265 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 403 411) no Hoare annotation was computed. [2019-10-13 21:21:07,265 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2019-10-13 21:21:07,265 INFO L446 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2019-10-13 21:21:07,265 INFO L443 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2019-10-13 21:21:07,265 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2019-10-13 21:21:07,265 INFO L443 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2019-10-13 21:21:07,266 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2019-10-13 21:21:07,266 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2019-10-13 21:21:07,266 INFO L443 ceAbstractionStarter]: For program point L419-2(lines 419 427) no Hoare annotation was computed. [2019-10-13 21:21:07,266 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-13 21:21:07,266 INFO L443 ceAbstractionStarter]: For program point L442-1(line 442) no Hoare annotation was computed. [2019-10-13 21:21:07,266 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 439) no Hoare annotation was computed. [2019-10-13 21:21:07,267 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 412 447) no Hoare annotation was computed. [2019-10-13 21:21:07,267 INFO L443 ceAbstractionStarter]: For program point L431-2(lines 431 439) no Hoare annotation was computed. [2019-10-13 21:21:07,267 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 412 447) no Hoare annotation was computed. [2019-10-13 21:21:07,267 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 427) no Hoare annotation was computed. [2019-10-13 21:21:07,267 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 412 447) no Hoare annotation was computed. [2019-10-13 21:21:07,267 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 21:21:07,267 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 21:21:07,267 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 508 553) no Hoare annotation was computed. [2019-10-13 21:21:07,268 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 508 553) no Hoare annotation was computed. [2019-10-13 21:21:07,268 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 508 553) no Hoare annotation was computed. [2019-10-13 21:21:07,268 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 821 866) no Hoare annotation was computed. [2019-10-13 21:21:07,268 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 821 866) no Hoare annotation was computed. [2019-10-13 21:21:07,268 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 848) no Hoare annotation was computed. [2019-10-13 21:21:07,268 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 821 866) no Hoare annotation was computed. [2019-10-13 21:21:07,269 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 855) no Hoare annotation was computed. [2019-10-13 21:21:07,269 INFO L443 ceAbstractionStarter]: For program point L835-1(lines 835 855) no Hoare annotation was computed. [2019-10-13 21:21:07,269 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 970 980) the Hoare annotation is: true [2019-10-13 21:21:07,269 INFO L446 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: true [2019-10-13 21:21:07,269 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 970 980) no Hoare annotation was computed. [2019-10-13 21:21:07,270 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 970 980) no Hoare annotation was computed. [2019-10-13 21:21:07,270 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 392 402) the Hoare annotation is: true [2019-10-13 21:21:07,270 INFO L446 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: true [2019-10-13 21:21:07,270 INFO L443 ceAbstractionStarter]: For program point L397-1(line 397) no Hoare annotation was computed. [2019-10-13 21:21:07,270 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 392 402) no Hoare annotation was computed. [2019-10-13 21:21:07,271 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 392 402) no Hoare annotation was computed. [2019-10-13 21:21:07,271 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 384 391) the Hoare annotation is: true [2019-10-13 21:21:07,271 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 384 391) no Hoare annotation was computed. [2019-10-13 21:21:07,271 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 384 391) no Hoare annotation was computed. [2019-10-13 21:21:07,271 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-10-13 21:21:07,272 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2019-10-13 21:21:07,272 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2019-10-13 21:21:07,272 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2019-10-13 21:21:07,272 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 351 375) no Hoare annotation was computed. [2019-10-13 21:21:07,272 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 351 375) the Hoare annotation is: true [2019-10-13 21:21:07,272 INFO L446 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: true [2019-10-13 21:21:07,273 INFO L443 ceAbstractionStarter]: For program point L370-1(lines 351 375) no Hoare annotation was computed. [2019-10-13 21:21:07,273 INFO L446 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: true [2019-10-13 21:21:07,273 INFO L446 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: true [2019-10-13 21:21:07,273 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 367) no Hoare annotation was computed. [2019-10-13 21:21:07,273 INFO L446 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2019-10-13 21:21:07,274 INFO L443 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2019-10-13 21:21:07,274 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 372) no Hoare annotation was computed. [2019-10-13 21:21:07,274 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 291 297) no Hoare annotation was computed. [2019-10-13 21:21:07,274 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 291 297) the Hoare annotation is: true [2019-10-13 21:21:07,275 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 192 257) the Hoare annotation is: true [2019-10-13 21:21:07,275 INFO L446 ceAbstractionStarter]: At program point L250(lines 201 251) the Hoare annotation is: true [2019-10-13 21:21:07,275 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 192 257) no Hoare annotation was computed. [2019-10-13 21:21:07,275 INFO L446 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2019-10-13 21:21:07,275 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 244) no Hoare annotation was computed. [2019-10-13 21:21:07,276 INFO L446 ceAbstractionStarter]: At program point L238-1(lines 232 245) the Hoare annotation is: true [2019-10-13 21:21:07,276 INFO L443 ceAbstractionStarter]: For program point L203(lines 202 249) no Hoare annotation was computed. [2019-10-13 21:21:07,276 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 245) no Hoare annotation was computed. [2019-10-13 21:21:07,276 INFO L446 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: true [2019-10-13 21:21:07,276 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-10-13 21:21:07,277 INFO L443 ceAbstractionStarter]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2019-10-13 21:21:07,277 INFO L446 ceAbstractionStarter]: At program point L247(lines 202 249) the Hoare annotation is: true [2019-10-13 21:21:07,277 INFO L446 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: true [2019-10-13 21:21:07,277 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 218) no Hoare annotation was computed. [2019-10-13 21:21:07,277 INFO L443 ceAbstractionStarter]: For program point L212-1(lines 212 218) no Hoare annotation was computed. [2019-10-13 21:21:07,277 INFO L443 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2019-10-13 21:21:07,277 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 192 257) no Hoare annotation was computed. [2019-10-13 21:21:07,277 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 802) no Hoare annotation was computed. [2019-10-13 21:21:07,278 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 775 820) no Hoare annotation was computed. [2019-10-13 21:21:07,278 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 809) no Hoare annotation was computed. [2019-10-13 21:21:07,278 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 775 820) no Hoare annotation was computed. [2019-10-13 21:21:07,278 INFO L443 ceAbstractionStarter]: For program point L789-1(lines 789 809) no Hoare annotation was computed. [2019-10-13 21:21:07,278 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 775 820) no Hoare annotation was computed. [2019-10-13 21:21:07,278 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2019-10-13 21:21:07,278 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2019-10-13 21:21:07,278 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2019-10-13 21:21:07,279 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-10-13 21:21:07,279 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-10-13 21:21:07,279 INFO L443 ceAbstractionStarter]: For program point L890(lines 890 900) no Hoare annotation was computed. [2019-10-13 21:21:07,279 INFO L446 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: true [2019-10-13 21:21:07,279 INFO L443 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2019-10-13 21:21:07,279 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 903) no Hoare annotation was computed. [2019-10-13 21:21:07,279 INFO L443 ceAbstractionStarter]: For program point L886-1(lines 878 906) no Hoare annotation was computed. [2019-10-13 21:21:07,280 INFO L446 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: true [2019-10-13 21:21:07,280 INFO L443 ceAbstractionStarter]: For program point L884-1(line 884) no Hoare annotation was computed. [2019-10-13 21:21:07,280 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 878 906) the Hoare annotation is: true [2019-10-13 21:21:07,280 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 878 906) no Hoare annotation was computed. [2019-10-13 21:21:07,280 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:21:07,280 INFO L443 ceAbstractionStarter]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:21:07,280 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2019-10-13 21:21:07,280 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2019-10-13 21:21:07,281 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2019-10-13 21:21:07,281 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 870 877) the Hoare annotation is: true [2019-10-13 21:21:07,281 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 870 877) no Hoare annotation was computed. [2019-10-13 21:21:07,281 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 870 877) no Hoare annotation was computed. [2019-10-13 21:21:07,281 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:07,281 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:07,281 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:07,281 INFO L443 ceAbstractionStarter]: For program point L737(line 737) no Hoare annotation was computed. [2019-10-13 21:21:07,281 INFO L443 ceAbstractionStarter]: For program point L737-1(line 737) no Hoare annotation was computed. [2019-10-13 21:21:07,282 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 672 774) no Hoare annotation was computed. [2019-10-13 21:21:07,282 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 700) no Hoare annotation was computed. [2019-10-13 21:21:07,282 INFO L443 ceAbstractionStarter]: For program point L760(lines 760 771) no Hoare annotation was computed. [2019-10-13 21:21:07,283 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 727) no Hoare annotation was computed. [2019-10-13 21:21:07,283 INFO L443 ceAbstractionStarter]: For program point L721-2(lines 721 741) no Hoare annotation was computed. [2019-10-13 21:21:07,283 INFO L443 ceAbstractionStarter]: For program point L742(lines 720 743) no Hoare annotation was computed. [2019-10-13 21:21:07,283 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 672 774) no Hoare annotation was computed. [2019-10-13 21:21:07,283 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 717) no Hoare annotation was computed. [2019-10-13 21:21:07,283 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 768) no Hoare annotation was computed. [2019-10-13 21:21:07,283 INFO L443 ceAbstractionStarter]: For program point L722(lines 721 741) no Hoare annotation was computed. [2019-10-13 21:21:07,283 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 672 774) no Hoare annotation was computed. [2019-10-13 21:21:07,283 INFO L443 ceAbstractionStarter]: For program point L753(line 753) no Hoare annotation was computed. [2019-10-13 21:21:07,284 INFO L443 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2019-10-13 21:21:07,284 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 759) no Hoare annotation was computed. [2019-10-13 21:21:07,284 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:07,284 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:21:07,284 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:07,284 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 376 383) no Hoare annotation was computed. [2019-10-13 21:21:07,285 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 376 383) no Hoare annotation was computed. [2019-10-13 21:21:07,285 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 376 383) the Hoare annotation is: true [2019-10-13 21:21:07,285 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2019-10-13 21:21:07,286 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2019-10-13 21:21:07,286 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2019-10-13 21:21:07,287 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 448 466) no Hoare annotation was computed. [2019-10-13 21:21:07,287 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-13 21:21:07,287 INFO L446 ceAbstractionStarter]: At program point L455(line 455) the Hoare annotation is: true [2019-10-13 21:21:07,287 INFO L443 ceAbstractionStarter]: For program point L457-2(lines 457 461) no Hoare annotation was computed. [2019-10-13 21:21:07,287 INFO L443 ceAbstractionStarter]: For program point L455-1(line 455) no Hoare annotation was computed. [2019-10-13 21:21:07,288 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 448 466) the Hoare annotation is: true [2019-10-13 21:21:07,288 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 448 466) no Hoare annotation was computed. [2019-10-13 21:21:07,288 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: true [2019-10-13 21:21:07,288 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2019-10-13 21:21:07,288 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2019-10-13 21:21:07,288 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:07,288 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:07,288 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:07,289 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2019-10-13 21:21:07,289 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2019-10-13 21:21:07,289 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2019-10-13 21:21:07,289 INFO L446 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: true [2019-10-13 21:21:07,289 INFO L446 ceAbstractionStarter]: At program point L278(lines 278 284) the Hoare annotation is: true [2019-10-13 21:21:07,289 INFO L446 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: true [2019-10-13 21:21:07,290 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 267 290) the Hoare annotation is: true [2019-10-13 21:21:07,290 INFO L443 ceAbstractionStarter]: For program point L271(lines 270 289) no Hoare annotation was computed. [2019-10-13 21:21:07,290 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 267 290) no Hoare annotation was computed. [2019-10-13 21:21:07,291 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 267 290) no Hoare annotation was computed. [2019-10-13 21:21:07,291 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 909 938) no Hoare annotation was computed. [2019-10-13 21:21:07,292 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 909 938) the Hoare annotation is: true [2019-10-13 21:21:07,292 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-10-13 21:21:07,292 INFO L446 ceAbstractionStarter]: At program point L923-1(lines 923 927) the Hoare annotation is: true [2019-10-13 21:21:07,292 INFO L443 ceAbstractionStarter]: For program point L920(line 920) no Hoare annotation was computed. [2019-10-13 21:21:07,293 INFO L446 ceAbstractionStarter]: At program point L919-2(lines 919 933) the Hoare annotation is: true [2019-10-13 21:21:07,293 INFO L446 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: true [2019-10-13 21:21:07,293 INFO L443 ceAbstractionStarter]: For program point L915-1(line 915) no Hoare annotation was computed. [2019-10-13 21:21:07,293 INFO L446 ceAbstractionStarter]: At program point L934(lines 909 938) the Hoare annotation is: true [2019-10-13 21:21:07,293 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-13 21:21:07,294 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2019-10-13 21:21:07,294 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2019-10-13 21:21:07,294 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2019-10-13 21:21:07,294 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 963 969) no Hoare annotation was computed. [2019-10-13 21:21:07,294 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 963 969) the Hoare annotation is: true [2019-10-13 21:21:07,295 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:07,295 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:07,295 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:07,295 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:07,295 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 299 323) the Hoare annotation is: true [2019-10-13 21:21:07,296 INFO L446 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: true [2019-10-13 21:21:07,296 INFO L443 ceAbstractionStarter]: For program point L318-1(lines 299 323) no Hoare annotation was computed. [2019-10-13 21:21:07,296 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 299 323) no Hoare annotation was computed. [2019-10-13 21:21:07,296 INFO L446 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2019-10-13 21:21:07,296 INFO L446 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2019-10-13 21:21:07,297 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 315) no Hoare annotation was computed. [2019-10-13 21:21:07,297 INFO L446 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: true [2019-10-13 21:21:07,298 INFO L443 ceAbstractionStarter]: For program point L305-1(line 305) no Hoare annotation was computed. [2019-10-13 21:21:07,298 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 320) no Hoare annotation was computed. [2019-10-13 21:21:07,298 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2019-10-13 21:21:07,298 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2019-10-13 21:21:07,298 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: true [2019-10-13 21:21:07,298 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1005 1012) no Hoare annotation was computed. [2019-10-13 21:21:07,298 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1005 1012) the Hoare annotation is: true [2019-10-13 21:21:07,299 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2019-10-13 21:21:07,299 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1005 1012) no Hoare annotation was computed. [2019-10-13 21:21:07,299 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 325 349) no Hoare annotation was computed. [2019-10-13 21:21:07,299 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 325 349) the Hoare annotation is: true [2019-10-13 21:21:07,299 INFO L446 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: true [2019-10-13 21:21:07,299 INFO L443 ceAbstractionStarter]: For program point L344-1(lines 325 349) no Hoare annotation was computed. [2019-10-13 21:21:07,299 INFO L446 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2019-10-13 21:21:07,300 INFO L446 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2019-10-13 21:21:07,300 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 341) no Hoare annotation was computed. [2019-10-13 21:21:07,300 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-10-13 21:21:07,300 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-10-13 21:21:07,302 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 346) no Hoare annotation was computed. [2019-10-13 21:21:07,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:07 BoogieIcfgContainer [2019-10-13 21:21:07,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:07,318 INFO L168 Benchmark]: Toolchain (without parser) took 9464.58 ms. Allocated memory was 137.9 MB in the beginning and 392.2 MB in the end (delta: 254.3 MB). Free memory was 101.7 MB in the beginning and 285.1 MB in the end (delta: -183.4 MB). Peak memory consumption was 222.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:07,319 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:07,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.31 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.5 MB in the beginning and 170.6 MB in the end (delta: -69.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:07,325 INFO L168 Benchmark]: Boogie Preprocessor took 117.32 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:07,326 INFO L168 Benchmark]: RCFGBuilder took 1418.00 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 195.7 MB in the end (delta: -29.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:07,327 INFO L168 Benchmark]: TraceAbstraction took 7210.83 ms. Allocated memory was 234.9 MB in the beginning and 392.2 MB in the end (delta: 157.3 MB). Free memory was 195.7 MB in the beginning and 285.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 219.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:07,340 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.31 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.5 MB in the beginning and 170.6 MB in the end (delta: -69.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.32 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1418.00 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 195.7 MB in the end (delta: -29.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7210.83 ms. Allocated memory was 234.9 MB in the beginning and 392.2 MB in the end (delta: 157.3 MB). Free memory was 195.7 MB in the beginning and 285.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 219.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1009]: 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: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. Result: SAFE, OverallTime: 7.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1768 SDtfs, 1075 SDslu, 3840 SDs, 0 SdLazy, 1028 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2895occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 313 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2910 PreInvPairs, 2911 NumberOfFragments, 72 HoareAnnotationTreeSize, 2910 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 70 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 991 NumberOfCodeBlocks, 991 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1143 ConstructedInterpolants, 0 QuantifiedInterpolants, 229958 SizeOfPredicates, 4 NumberOfNonLiveVariables, 945 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 158/177 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 139, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8098159509202454, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...