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_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:06,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:06,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:06,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:06,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:06,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:06,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:06,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:06,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:06,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:06,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:06,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:06,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:06,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:06,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:06,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:06,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:06,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:06,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:06,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:06,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:06,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:06,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:06,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:06,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:06,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:06,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:06,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:06,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:06,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:06,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:06,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:06,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:06,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:06,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:06,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:06,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:06,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:06,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:06,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:06,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:06,429 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 21:20:06,449 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:06,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:06,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:06,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:06,452 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:06,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:06,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:06,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:06,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:06,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:06,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:06,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:06,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:06,455 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:06,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:06,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:06,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:06,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:06,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:06,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:06,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:06,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:06,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:06,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:06,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:06,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:06,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:06,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:06,458 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 21:20:06,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:06,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:06,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:06,771 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:06,772 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:06,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-10-13 21:20:06,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e448da02f/0d285a5facab44e895881e85d28e3f28/FLAG60ac059ff [2019-10-13 21:20:07,429 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:07,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-10-13 21:20:07,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e448da02f/0d285a5facab44e895881e85d28e3f28/FLAG60ac059ff [2019-10-13 21:20:07,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e448da02f/0d285a5facab44e895881e85d28e3f28 [2019-10-13 21:20:07,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:07,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:07,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:07,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:07,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:07,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f66df1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07, skipping insertion in model container [2019-10-13 21:20:07,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:07,795 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:08,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:08,368 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:08,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:08,496 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:08,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08 WrapperNode [2019-10-13 21:20:08,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:08,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:08,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:08,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:08,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:08,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:08,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:08,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:08,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (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 21:20:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:08,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:09,830 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:09,830 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:09,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:09 BoogieIcfgContainer [2019-10-13 21:20:09,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:09,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:09,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:09,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:09,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:07" (1/3) ... [2019-10-13 21:20:09,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b709ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (2/3) ... [2019-10-13 21:20:09,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b709ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:09" (3/3) ... [2019-10-13 21:20:09,843 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2019-10-13 21:20:09,853 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:09,861 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:09,873 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:09,908 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:09,908 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:09,908 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:09,908 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:09,909 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:09,909 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:09,909 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:09,910 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:09,938 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-10-13 21:20:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:09,949 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,950 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] [2019-10-13 21:20:09,952 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1301923028, now seen corresponding path program 1 times [2019-10-13 21:20:09,969 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,969 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878198214] [2019-10-13 21:20:09,969 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,292 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 21:20:10,293 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878198214] [2019-10-13 21:20:10,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,294 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:10,295 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568487772] [2019-10-13 21:20:10,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:10,302 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:10,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:10,320 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-10-13 21:20:10,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,368 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2019-10-13 21:20:10,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:10,369 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:10,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,384 INFO L225 Difference]: With dead ends: 300 [2019-10-13 21:20:10,385 INFO L226 Difference]: Without dead ends: 150 [2019-10-13 21:20:10,393 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 21:20:10,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-13 21:20:10,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-13 21:20:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-13 21:20:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2019-10-13 21:20:10,467 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2019-10-13 21:20:10,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,468 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2019-10-13 21:20:10,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:10,468 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2019-10-13 21:20:10,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:10,472 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,472 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] [2019-10-13 21:20:10,473 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,473 INFO L82 PathProgramCache]: Analyzing trace with hash -216566915, now seen corresponding path program 1 times [2019-10-13 21:20:10,473 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,474 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251181442] [2019-10-13 21:20:10,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,619 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 21:20:10,620 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251181442] [2019-10-13 21:20:10,620 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,621 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:10,621 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047162883] [2019-10-13 21:20:10,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:10,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:10,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:10,626 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2019-10-13 21:20:10,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,686 INFO L93 Difference]: Finished difference Result 249 states and 297 transitions. [2019-10-13 21:20:10,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:10,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:10,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,690 INFO L225 Difference]: With dead ends: 249 [2019-10-13 21:20:10,691 INFO L226 Difference]: Without dead ends: 141 [2019-10-13 21:20:10,693 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 21:20:10,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-13 21:20:10,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-13 21:20:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-13 21:20:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2019-10-13 21:20:10,711 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2019-10-13 21:20:10,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,711 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2019-10-13 21:20:10,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2019-10-13 21:20:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:20:10,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,714 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 21:20:10,715 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1163721234, now seen corresponding path program 1 times [2019-10-13 21:20:10,715 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103139352] [2019-10-13 21:20:10,716 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,716 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,898 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 21:20:10,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103139352] [2019-10-13 21:20:10,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,899 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:10,899 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723305280] [2019-10-13 21:20:10,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:10,900 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:10,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:10,901 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 7 states. [2019-10-13 21:20:11,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:11,232 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2019-10-13 21:20:11,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:11,233 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 21:20:11,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:11,235 INFO L225 Difference]: With dead ends: 258 [2019-10-13 21:20:11,236 INFO L226 Difference]: Without dead ends: 141 [2019-10-13 21:20:11,237 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:11,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-13 21:20:11,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-13 21:20:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-13 21:20:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2019-10-13 21:20:11,259 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2019-10-13 21:20:11,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:11,259 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2019-10-13 21:20:11,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2019-10-13 21:20:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-13 21:20:11,270 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,271 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] [2019-10-13 21:20:11,271 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1315506319, now seen corresponding path program 1 times [2019-10-13 21:20:11,272 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570531299] [2019-10-13 21:20:11,272 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:11,486 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 21:20:11,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570531299] [2019-10-13 21:20:11,487 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:11,487 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:20:11,487 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207499585] [2019-10-13 21:20:11,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:11,488 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:11,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:20:11,489 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 5 states. [2019-10-13 21:20:12,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,081 INFO L93 Difference]: Finished difference Result 367 states and 446 transitions. [2019-10-13 21:20:12,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:12,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-10-13 21:20:12,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,085 INFO L225 Difference]: With dead ends: 367 [2019-10-13 21:20:12,089 INFO L226 Difference]: Without dead ends: 250 [2019-10-13 21:20:12,094 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:12,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-13 21:20:12,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2019-10-13 21:20:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2019-10-13 21:20:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2019-10-13 21:20:12,152 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2019-10-13 21:20:12,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,153 INFO L462 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2019-10-13 21:20:12,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2019-10-13 21:20:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 21:20:12,160 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,161 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] [2019-10-13 21:20:12,161 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,165 INFO L82 PathProgramCache]: Analyzing trace with hash -921409892, now seen corresponding path program 1 times [2019-10-13 21:20:12,165 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,165 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014761244] [2019-10-13 21:20:12,165 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,165 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,293 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 21:20:12,293 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014761244] [2019-10-13 21:20:12,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,294 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:12,294 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052069501] [2019-10-13 21:20:12,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:12,295 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:12,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:12,296 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 6 states. [2019-10-13 21:20:12,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,548 INFO L93 Difference]: Finished difference Result 633 states and 742 transitions. [2019-10-13 21:20:12,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:12,549 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-10-13 21:20:12,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,554 INFO L225 Difference]: With dead ends: 633 [2019-10-13 21:20:12,555 INFO L226 Difference]: Without dead ends: 425 [2019-10-13 21:20:12,556 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 21:20:12,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-10-13 21:20:12,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 419. [2019-10-13 21:20:12,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-13 21:20:12,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 478 transitions. [2019-10-13 21:20:12,605 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 478 transitions. Word has length 83 [2019-10-13 21:20:12,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,606 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 478 transitions. [2019-10-13 21:20:12,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 478 transitions. [2019-10-13 21:20:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:20:12,608 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,608 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] [2019-10-13 21:20:12,609 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,609 INFO L82 PathProgramCache]: Analyzing trace with hash 592685792, now seen corresponding path program 1 times [2019-10-13 21:20:12,609 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,610 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643330357] [2019-10-13 21:20:12,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,775 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 21:20:12,775 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643330357] [2019-10-13 21:20:12,776 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:12,777 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706994371] [2019-10-13 21:20:12,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:12,778 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:12,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:12,779 INFO L87 Difference]: Start difference. First operand 419 states and 478 transitions. Second operand 7 states. [2019-10-13 21:20:13,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,440 INFO L93 Difference]: Finished difference Result 452 states and 528 transitions. [2019-10-13 21:20:13,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:13,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-13 21:20:13,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,448 INFO L225 Difference]: With dead ends: 452 [2019-10-13 21:20:13,448 INFO L226 Difference]: Without dead ends: 449 [2019-10-13 21:20:13,449 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:20:13,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-13 21:20:13,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 419. [2019-10-13 21:20:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-13 21:20:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 477 transitions. [2019-10-13 21:20:13,478 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 477 transitions. Word has length 87 [2019-10-13 21:20:13,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,479 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 477 transitions. [2019-10-13 21:20:13,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 477 transitions. [2019-10-13 21:20:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:13,481 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,482 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,482 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,482 INFO L82 PathProgramCache]: Analyzing trace with hash -88143431, now seen corresponding path program 1 times [2019-10-13 21:20:13,483 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,483 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456837938] [2019-10-13 21:20:13,483 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,483 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,555 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456837938] [2019-10-13 21:20:13,555 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,555 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:13,555 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198317279] [2019-10-13 21:20:13,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:13,556 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:13,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:13,557 INFO L87 Difference]: Start difference. First operand 419 states and 477 transitions. Second operand 6 states. [2019-10-13 21:20:13,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,603 INFO L93 Difference]: Finished difference Result 828 states and 966 transitions. [2019-10-13 21:20:13,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:13,604 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-13 21:20:13,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,607 INFO L225 Difference]: With dead ends: 828 [2019-10-13 21:20:13,607 INFO L226 Difference]: Without dead ends: 433 [2019-10-13 21:20:13,609 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 21:20:13,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-10-13 21:20:13,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 429. [2019-10-13 21:20:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2019-10-13 21:20:13,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 487 transitions. [2019-10-13 21:20:13,635 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 487 transitions. Word has length 103 [2019-10-13 21:20:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,636 INFO L462 AbstractCegarLoop]: Abstraction has 429 states and 487 transitions. [2019-10-13 21:20:13,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:13,636 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 487 transitions. [2019-10-13 21:20:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:13,638 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,638 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,639 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,639 INFO L82 PathProgramCache]: Analyzing trace with hash -441231813, now seen corresponding path program 1 times [2019-10-13 21:20:13,639 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,640 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885985187] [2019-10-13 21:20:13,640 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,640 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,723 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885985187] [2019-10-13 21:20:13,723 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,723 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:13,723 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556634805] [2019-10-13 21:20:13,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:13,724 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:13,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:13,725 INFO L87 Difference]: Start difference. First operand 429 states and 487 transitions. Second operand 8 states. [2019-10-13 21:20:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,770 INFO L93 Difference]: Finished difference Result 848 states and 988 transitions. [2019-10-13 21:20:13,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:13,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-13 21:20:13,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,774 INFO L225 Difference]: With dead ends: 848 [2019-10-13 21:20:13,775 INFO L226 Difference]: Without dead ends: 443 [2019-10-13 21:20:13,776 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 21:20:13,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-10-13 21:20:13,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 437. [2019-10-13 21:20:13,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2019-10-13 21:20:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2019-10-13 21:20:13,800 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2019-10-13 21:20:13,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,801 INFO L462 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2019-10-13 21:20:13,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2019-10-13 21:20:13,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:13,803 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,803 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,803 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,804 INFO L82 PathProgramCache]: Analyzing trace with hash 691958780, now seen corresponding path program 1 times [2019-10-13 21:20:13,804 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,804 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264293989] [2019-10-13 21:20:13,804 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,805 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264293989] [2019-10-13 21:20:13,884 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,884 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:13,884 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197835855] [2019-10-13 21:20:13,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:13,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:13,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:13,886 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 4 states. [2019-10-13 21:20:14,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:14,199 INFO L93 Difference]: Finished difference Result 1297 states and 1546 transitions. [2019-10-13 21:20:14,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:14,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-13 21:20:14,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:14,206 INFO L225 Difference]: With dead ends: 1297 [2019-10-13 21:20:14,206 INFO L226 Difference]: Without dead ends: 884 [2019-10-13 21:20:14,208 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 21:20:14,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2019-10-13 21:20:14,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 869. [2019-10-13 21:20:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2019-10-13 21:20:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1015 transitions. [2019-10-13 21:20:14,267 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1015 transitions. Word has length 103 [2019-10-13 21:20:14,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:14,267 INFO L462 AbstractCegarLoop]: Abstraction has 869 states and 1015 transitions. [2019-10-13 21:20:14,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:14,268 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1015 transitions. [2019-10-13 21:20:14,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:20:14,270 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:14,270 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:14,271 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:14,271 INFO L82 PathProgramCache]: Analyzing trace with hash -867723262, now seen corresponding path program 1 times [2019-10-13 21:20:14,271 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:14,271 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712733820] [2019-10-13 21:20:14,272 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,272 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:14,414 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712733820] [2019-10-13 21:20:14,414 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974280691] [2019-10-13 21:20:14,414 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 21:20:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:14,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:14,875 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:16,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:16,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:16,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270912889] [2019-10-13 21:20:16,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:16,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:16,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:16,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:16,265 INFO L87 Difference]: Start difference. First operand 869 states and 1015 transitions. Second operand 8 states. [2019-10-13 21:20:16,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:16,790 INFO L93 Difference]: Finished difference Result 1684 states and 1979 transitions. [2019-10-13 21:20:16,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:16,790 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-13 21:20:16,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:16,796 INFO L225 Difference]: With dead ends: 1684 [2019-10-13 21:20:16,797 INFO L226 Difference]: Without dead ends: 839 [2019-10-13 21:20:16,799 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 196 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:16,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2019-10-13 21:20:16,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 839. [2019-10-13 21:20:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 839 states. [2019-10-13 21:20:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 966 transitions. [2019-10-13 21:20:16,846 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 966 transitions. Word has length 107 [2019-10-13 21:20:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:16,847 INFO L462 AbstractCegarLoop]: Abstraction has 839 states and 966 transitions. [2019-10-13 21:20:16,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 966 transitions. [2019-10-13 21:20:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-13 21:20:16,851 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:16,851 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:17,056 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:17,057 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:17,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:17,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1034143598, now seen corresponding path program 1 times [2019-10-13 21:20:17,058 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:17,059 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140990311] [2019-10-13 21:20:17,059 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 21:20:17,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140990311] [2019-10-13 21:20:17,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770984505] [2019-10-13 21:20:17,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:17,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 21:20:17,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:20:17,530 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:17,903 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 21:20:17,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:17,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-13 21:20:17,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864925067] [2019-10-13 21:20:17,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:17,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:17,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:17,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:17,905 INFO L87 Difference]: Start difference. First operand 839 states and 966 transitions. Second operand 5 states. [2019-10-13 21:20:18,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:18,640 INFO L93 Difference]: Finished difference Result 1795 states and 2189 transitions. [2019-10-13 21:20:18,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:18,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2019-10-13 21:20:18,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:18,650 INFO L225 Difference]: With dead ends: 1795 [2019-10-13 21:20:18,651 INFO L226 Difference]: Without dead ends: 1110 [2019-10-13 21:20:18,654 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:20:18,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2019-10-13 21:20:18,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1021. [2019-10-13 21:20:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2019-10-13 21:20:18,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1195 transitions. [2019-10-13 21:20:18,751 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1195 transitions. Word has length 176 [2019-10-13 21:20:18,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:18,752 INFO L462 AbstractCegarLoop]: Abstraction has 1021 states and 1195 transitions. [2019-10-13 21:20:18,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:18,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1195 transitions. [2019-10-13 21:20:18,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-13 21:20:18,756 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:18,757 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:18,961 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:18,962 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:18,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:18,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1713415852, now seen corresponding path program 1 times [2019-10-13 21:20:18,963 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:18,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466316931] [2019-10-13 21:20:18,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:18,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:18,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:19,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466316931] [2019-10-13 21:20:19,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003756534] [2019-10-13 21:20:19,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:19,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:19,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:20:19,517 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:20,086 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:20,086 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:20,086 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452053083] [2019-10-13 21:20:20,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:20,087 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:20,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:20,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:20,088 INFO L87 Difference]: Start difference. First operand 1021 states and 1195 transitions. Second operand 8 states. [2019-10-13 21:20:20,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:20,506 INFO L93 Difference]: Finished difference Result 1757 states and 2090 transitions. [2019-10-13 21:20:20,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:20,507 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2019-10-13 21:20:20,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:20,509 INFO L225 Difference]: With dead ends: 1757 [2019-10-13 21:20:20,509 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:20,514 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:20,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:20,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:20,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-10-13 21:20:20,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:20,516 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:20,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:20,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:20,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:20,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:20,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:21,478 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 16 [2019-10-13 21:20:22,237 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-10-13 21:20:22,440 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2019-10-13 21:20:22,695 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-13 21:20:23,145 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-10-13 21:20:23,300 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-13 21:20:23,544 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-13 21:20:23,666 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-13 21:20:23,777 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-13 21:20:24,524 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-10-13 21:20:24,732 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2019-10-13 21:20:25,580 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-13 21:20:25,708 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-10-13 21:20:25,711 INFO L443 ceAbstractionStarter]: For program point L730(lines 707 731) no Hoare annotation was computed. [2019-10-13 21:20:25,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 683 738) no Hoare annotation was computed. [2019-10-13 21:20:25,711 INFO L443 ceAbstractionStarter]: For program point L714(lines 714 718) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point L714-1(lines 714 718) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 683 738) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 683 738) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point L708-2(lines 708 729) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 790) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point L791(lines 764 792) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 739 798) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point L784-1(line 784) no Hoare annotation was computed. [2019-10-13 21:20:25,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 739 798) no Hoare annotation was computed. [2019-10-13 21:20:25,713 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 739 798) no Hoare annotation was computed. [2019-10-13 21:20:25,713 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-10-13 21:20:25,713 INFO L443 ceAbstractionStarter]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2019-10-13 21:20:25,713 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 21:20:25,713 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 21:20:25,713 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:20:25,713 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 21:20:25,713 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:20:25,713 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,714 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2019-10-13 21:20:25,714 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,714 INFO L439 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,714 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2019-10-13 21:20:25,714 INFO L443 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2019-10-13 21:20:25,714 INFO L443 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2019-10-13 21:20:25,714 INFO L439 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,715 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,715 INFO L439 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,715 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2019-10-13 21:20:25,715 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:20:25,715 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:20:25,715 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:20:25,715 INFO L443 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2019-10-13 21:20:25,715 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:20:25,715 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-13 21:20:25,715 INFO L443 ceAbstractionStarter]: For program point L273(line 273) no Hoare annotation was computed. [2019-10-13 21:20:25,715 INFO L443 ceAbstractionStarter]: For program point L272(line 272) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L271(line 271) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L270(line 270) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L269(line 269) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L267(line 267) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L266(line 266) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L264(line 264) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-13 21:20:25,716 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2019-10-13 21:20:25,716 INFO L439 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-13 21:20:25,717 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:25,717 INFO L439 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-13 21:20:25,717 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2019-10-13 21:20:25,717 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2019-10-13 21:20:25,717 INFO L439 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-13 21:20:25,717 INFO L443 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2019-10-13 21:20:25,718 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2019-10-13 21:20:25,718 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2019-10-13 21:20:25,718 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2019-10-13 21:20:25,718 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2019-10-13 21:20:25,718 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2019-10-13 21:20:25,718 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2019-10-13 21:20:25,718 INFO L446 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2019-10-13 21:20:25,718 INFO L443 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2019-10-13 21:20:25,719 INFO L443 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2019-10-13 21:20:25,719 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2019-10-13 21:20:25,719 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2019-10-13 21:20:25,719 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 518) no Hoare annotation was computed. [2019-10-13 21:20:25,719 INFO L443 ceAbstractionStarter]: For program point L510-2(lines 510 518) no Hoare annotation was computed. [2019-10-13 21:20:25,719 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 506) no Hoare annotation was computed. [2019-10-13 21:20:25,719 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2019-10-13 21:20:25,719 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 491 526) no Hoare annotation was computed. [2019-10-13 21:20:25,719 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-13 21:20:25,720 INFO L443 ceAbstractionStarter]: For program point L521-1(line 521) no Hoare annotation was computed. [2019-10-13 21:20:25,720 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 491 526) no Hoare annotation was computed. [2019-10-13 21:20:25,720 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 491 526) no Hoare annotation was computed. [2019-10-13 21:20:25,720 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 21:20:25,720 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 21:20:25,720 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 637 682) no Hoare annotation was computed. [2019-10-13 21:20:25,720 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 637 682) no Hoare annotation was computed. [2019-10-13 21:20:25,720 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 637 682) no Hoare annotation was computed. [2019-10-13 21:20:25,720 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 950 995) no Hoare annotation was computed. [2019-10-13 21:20:25,721 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 950 995) no Hoare annotation was computed. [2019-10-13 21:20:25,721 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2019-10-13 21:20:25,721 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 950 995) no Hoare annotation was computed. [2019-10-13 21:20:25,721 INFO L443 ceAbstractionStarter]: For program point L964(lines 964 984) no Hoare annotation was computed. [2019-10-13 21:20:25,721 INFO L443 ceAbstractionStarter]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2019-10-13 21:20:25,721 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,721 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2019-10-13 21:20:25,721 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2019-10-13 21:20:25,721 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2019-10-13 21:20:25,722 INFO L446 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2019-10-13 21:20:25,722 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-10-13 21:20:25,722 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2019-10-13 21:20:25,722 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2019-10-13 21:20:25,722 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-10-13 21:20:25,722 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2019-10-13 21:20:25,722 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2019-10-13 21:20:25,722 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-10-13 21:20:25,723 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2019-10-13 21:20:25,723 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2019-10-13 21:20:25,723 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2019-10-13 21:20:25,723 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2019-10-13 21:20:25,723 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2019-10-13 21:20:25,723 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:25,723 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-10-13 21:20:25,724 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2019-10-13 21:20:25,724 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-13 21:20:25,724 INFO L439 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse1 (and .cse4 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4))))) [2019-10-13 21:20:25,724 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2019-10-13 21:20:25,724 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-10-13 21:20:25,724 INFO L443 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2019-10-13 21:20:25,725 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2019-10-13 21:20:25,725 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2019-10-13 21:20:25,725 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,725 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2019-10-13 21:20:25,725 INFO L439 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,725 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2019-10-13 21:20:25,725 INFO L439 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:25,726 INFO L443 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2019-10-13 21:20:25,726 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2019-10-13 21:20:25,726 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:25,726 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-10-13 21:20:25,726 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-10-13 21:20:25,726 INFO L439 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:25,726 INFO L439 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 931) no Hoare annotation was computed. [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 904 949) no Hoare annotation was computed. [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 938) no Hoare annotation was computed. [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 918 938) no Hoare annotation was computed. [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 904 949) no Hoare annotation was computed. [2019-10-13 21:20:25,727 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 904 949) no Hoare annotation was computed. [2019-10-13 21:20:25,728 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:20:25,728 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2019-10-13 21:20:25,728 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2019-10-13 21:20:25,728 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2019-10-13 21:20:25,728 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2019-10-13 21:20:25,728 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2019-10-13 21:20:25,728 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:20:25,728 INFO L443 ceAbstractionStarter]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:20:25,728 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2019-10-13 21:20:25,729 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2019-10-13 21:20:25,729 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2019-10-13 21:20:25,729 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:20:25,729 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:20:25,729 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:20:25,729 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 801 903) no Hoare annotation was computed. [2019-10-13 21:20:25,729 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 846) no Hoare annotation was computed. [2019-10-13 21:20:25,729 INFO L443 ceAbstractionStarter]: For program point L890(lines 890 897) no Hoare annotation was computed. [2019-10-13 21:20:25,730 INFO L443 ceAbstractionStarter]: For program point L851(lines 850 870) no Hoare annotation was computed. [2019-10-13 21:20:25,730 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-13 21:20:25,730 INFO L443 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-10-13 21:20:25,730 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 888) no Hoare annotation was computed. [2019-10-13 21:20:25,730 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 801 903) no Hoare annotation was computed. [2019-10-13 21:20:25,730 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-13 21:20:25,730 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-10-13 21:20:25,730 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2019-10-13 21:20:25,730 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 900) no Hoare annotation was computed. [2019-10-13 21:20:25,731 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 856) no Hoare annotation was computed. [2019-10-13 21:20:25,731 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 801 903) no Hoare annotation was computed. [2019-10-13 21:20:25,731 INFO L443 ceAbstractionStarter]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2019-10-13 21:20:25,731 INFO L443 ceAbstractionStarter]: For program point L871(lines 849 872) no Hoare annotation was computed. [2019-10-13 21:20:25,731 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,731 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:20:25,731 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,731 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2019-10-13 21:20:25,732 INFO L439 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:25,732 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-13 21:20:25,732 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2019-10-13 21:20:25,732 INFO L443 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2019-10-13 21:20:25,732 INFO L439 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-13 21:20:25,732 INFO L443 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2019-10-13 21:20:25,732 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2019-10-13 21:20:25,733 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2019-10-13 21:20:25,733 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2019-10-13 21:20:25,733 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2019-10-13 21:20:25,733 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2019-10-13 21:20:25,733 INFO L446 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2019-10-13 21:20:25,733 INFO L443 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2019-10-13 21:20:25,733 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2019-10-13 21:20:25,733 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-10-13 21:20:25,733 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2019-10-13 21:20:25,734 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-13 21:20:25,734 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2019-10-13 21:20:25,734 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2019-10-13 21:20:25,734 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,734 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,734 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,734 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2019-10-13 21:20:25,734 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2019-10-13 21:20:25,734 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2019-10-13 21:20:25,735 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse6 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not .cse3)) (.cse4 (and (not .cse6) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse8) (or .cse6 .cse0 .cse5 .cse1 .cse7) (or .cse3 .cse4 .cse1 .cse8 .cse5)))) [2019-10-13 21:20:25,735 INFO L439 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse6)) (.cse3 (and .cse5 .cse11 .cse10)) (.cse0 (not .cse11)) (.cse7 (not .cse1)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse4 .cse6 .cse7 .cse8) (or .cse1 (and .cse2 .cse9) .cse5 .cse4 .cse8) (or .cse0 .cse3 .cse4 (and .cse10 .cse9)) (or .cse6 .cse0 .cse5 .cse4 .cse7) (or .cse10 (and (<= 2 ~waterLevel~0) .cse9) .cse4 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-13 21:20:25,735 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse7 .cse8 .cse1) (or .cse2 .cse8 .cse0 .cse1 .cse3) (or .cse7 .cse1 .cse4) (or .cse8 .cse5 .cse1 .cse6)))) [2019-10-13 21:20:25,735 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3)) (or .cse1 .cse0 .cse4) (or (and .cse2 .cse3) .cse0 .cse4))) [2019-10-13 21:20:25,735 INFO L443 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2019-10-13 21:20:25,736 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2019-10-13 21:20:25,736 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2019-10-13 21:20:25,736 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2019-10-13 21:20:25,736 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2019-10-13 21:20:25,736 INFO L446 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2019-10-13 21:20:25,736 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-10-13 21:20:25,736 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2019-10-13 21:20:25,736 INFO L446 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2019-10-13 21:20:25,736 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-10-13 21:20:25,737 INFO L446 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2019-10-13 21:20:25,737 INFO L446 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2019-10-13 21:20:25,737 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-10-13 21:20:25,737 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2)))) [2019-10-13 21:20:25,737 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2019-10-13 21:20:25,737 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2019-10-13 21:20:25,737 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2019-10-13 21:20:25,737 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2019-10-13 21:20:25,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,738 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:20:25,738 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:25,738 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,738 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:25,738 INFO L439 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-13 21:20:25,738 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2019-10-13 21:20:25,738 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2019-10-13 21:20:25,738 INFO L439 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not .cse2) .cse0))) [2019-10-13 21:20:25,739 INFO L439 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:25,739 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2019-10-13 21:20:25,739 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-13 21:20:25,739 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-10-13 21:20:25,739 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2019-10-13 21:20:25,739 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2019-10-13 21:20:25,739 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2019-10-13 21:20:25,739 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse1 .cse4)) (or .cse6 (or .cse0 .cse1) .cse5) (or .cse2 .cse6 .cse0 .cse1 .cse3))) [2019-10-13 21:20:25,739 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2019-10-13 21:20:25,740 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2019-10-13 21:20:25,740 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2019-10-13 21:20:25,740 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-13 21:20:25,740 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2019-10-13 21:20:25,740 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2019-10-13 21:20:25,740 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:25,740 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-10-13 21:20:25,740 INFO L439 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:20:25,740 INFO L443 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2019-10-13 21:20:25,740 INFO L443 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2019-10-13 21:20:25,740 INFO L443 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2019-10-13 21:20:25,740 INFO L446 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2019-10-13 21:20:25,741 INFO L443 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2019-10-13 21:20:25,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:25 BoogieIcfgContainer [2019-10-13 21:20:25,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:25,757 INFO L168 Benchmark]: Toolchain (without parser) took 18052.26 ms. Allocated memory was 138.9 MB in the beginning and 502.8 MB in the end (delta: 363.9 MB). Free memory was 103.1 MB in the beginning and 406.7 MB in the end (delta: -303.6 MB). Peak memory consumption was 378.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,758 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.03 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.9 MB in the beginning and 170.9 MB in the end (delta: -68.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,759 INFO L168 Benchmark]: Boogie Preprocessor took 140.84 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,760 INFO L168 Benchmark]: RCFGBuilder took 1193.51 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 166.9 MB in the beginning and 195.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,760 INFO L168 Benchmark]: TraceAbstraction took 15921.61 ms. Allocated memory was 237.5 MB in the beginning and 502.8 MB in the end (delta: 265.3 MB). Free memory was 195.7 MB in the beginning and 406.7 MB in the end (delta: -211.0 MB). Peak memory consumption was 372.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,764 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 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 791.03 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.9 MB in the beginning and 170.9 MB in the end (delta: -68.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.84 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1193.51 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 166.9 MB in the beginning and 195.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15921.61 ms. Allocated memory was 237.5 MB in the beginning and 502.8 MB in the end (delta: 265.3 MB). Free memory was 195.7 MB in the beginning and 406.7 MB in the end (delta: -211.0 MB). Peak memory consumption was 372.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Result: SAFE, OverallTime: 15.8s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, HoareTripleCheckerStatistics: 2428 SDtfs, 1252 SDslu, 5921 SDs, 0 SdLazy, 2178 SolverSat, 377 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1044 GetRequests, 930 SyntacticMatches, 13 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1021occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 168 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2287 PreInvPairs, 2413 NumberOfFragments, 1762 HoareAnnotationTreeSize, 2287 FomulaSimplifications, 4019 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 68 FomulaSimplificationsInter, 12009 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2051 ConstructedInterpolants, 0 QuantifiedInterpolants, 421780 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2635 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 310/330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...