java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:04,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:04,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:04,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:04,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:04,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:04,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:04,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:04,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:04,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:04,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:04,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:04,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:04,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:04,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:04,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:04,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:04,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:04,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:04,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:04,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:04,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:04,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:04,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:04,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:04,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:04,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:04,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:04,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:04,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:04,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:04,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:04,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:04,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:04,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:04,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:04,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:04,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:04,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:04,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:04,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:04,794 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 21:21:04,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:04,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:04,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:04,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:04,820 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:04,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:04,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:04,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:04,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:04,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:04,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:04,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:04,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:04,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:04,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:04,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:04,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:04,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:04,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:04,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:04,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:04,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:04,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:04,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:04,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:04,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:04,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:04,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:04,826 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 21:21:05,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:05,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:05,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:05,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:05,172 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:05,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-10-13 21:21:05,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237c62424/0ff3f9147d1f4b4982cd2856e557c2ac/FLAGa63e105b0 [2019-10-13 21:21:05,776 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:05,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-10-13 21:21:05,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237c62424/0ff3f9147d1f4b4982cd2856e557c2ac/FLAGa63e105b0 [2019-10-13 21:21:06,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237c62424/0ff3f9147d1f4b4982cd2856e557c2ac [2019-10-13 21:21:06,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:06,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:06,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:06,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:06,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:06,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:06" (1/1) ... [2019-10-13 21:21:06,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a202d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06, skipping insertion in model container [2019-10-13 21:21:06,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:06" (1/1) ... [2019-10-13 21:21:06,124 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:06,175 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:06,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:06,610 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:06,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:06,774 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:06,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06 WrapperNode [2019-10-13 21:21:06,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:06,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:06,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:06,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:06,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06" (1/1) ... [2019-10-13 21:21:06,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06" (1/1) ... [2019-10-13 21:21:06,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06" (1/1) ... [2019-10-13 21:21:06,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06" (1/1) ... [2019-10-13 21:21:06,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06" (1/1) ... [2019-10-13 21:21:06,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06" (1/1) ... [2019-10-13 21:21:06,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06" (1/1) ... [2019-10-13 21:21:06,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:06,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:06,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:06,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:06,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06" (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 21:21:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:21:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:21:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:06,985 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:06,985 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:06,986 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:06,986 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:06,986 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:06,986 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:21:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:06,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:21:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:08,174 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:08,175 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:08,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:08 BoogieIcfgContainer [2019-10-13 21:21:08,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:08,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:08,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:08,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:08,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:06" (1/3) ... [2019-10-13 21:21:08,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bba1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:08, skipping insertion in model container [2019-10-13 21:21:08,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:06" (2/3) ... [2019-10-13 21:21:08,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bba1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:08, skipping insertion in model container [2019-10-13 21:21:08,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:08" (3/3) ... [2019-10-13 21:21:08,187 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2019-10-13 21:21:08,197 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:08,207 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:08,218 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:08,243 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:08,243 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:08,243 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:08,243 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:08,244 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:08,244 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:08,244 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:08,244 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:08,268 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-10-13 21:21:08,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:21:08,278 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:08,280 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:08,282 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:08,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:08,287 INFO L82 PathProgramCache]: Analyzing trace with hash 596163892, now seen corresponding path program 1 times [2019-10-13 21:21:08,296 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:08,296 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568999808] [2019-10-13 21:21:08,296 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:08,297 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:08,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:08,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568999808] [2019-10-13 21:21:08,611 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:08,612 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:08,612 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435937753] [2019-10-13 21:21:08,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:08,618 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:08,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:08,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:08,637 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2019-10-13 21:21:08,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:08,683 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2019-10-13 21:21:08,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:08,685 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-13 21:21:08,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:08,701 INFO L225 Difference]: With dead ends: 294 [2019-10-13 21:21:08,701 INFO L226 Difference]: Without dead ends: 149 [2019-10-13 21:21:08,706 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:08,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-13 21:21:08,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-13 21:21:08,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-13 21:21:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2019-10-13 21:21:08,772 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 51 [2019-10-13 21:21:08,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:08,773 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2019-10-13 21:21:08,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2019-10-13 21:21:08,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:08,777 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:08,777 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:08,777 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:08,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:08,778 INFO L82 PathProgramCache]: Analyzing trace with hash 2035101120, now seen corresponding path program 1 times [2019-10-13 21:21:08,778 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:08,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937211056] [2019-10-13 21:21:08,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:08,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:08,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:08,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937211056] [2019-10-13 21:21:08,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:08,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:08,936 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654443149] [2019-10-13 21:21:08,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:08,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:08,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:08,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:08,939 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2019-10-13 21:21:08,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:08,962 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2019-10-13 21:21:08,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:08,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 21:21:08,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:08,965 INFO L225 Difference]: With dead ends: 239 [2019-10-13 21:21:08,965 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 21:21:08,967 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:08,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 21:21:08,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-13 21:21:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-13 21:21:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2019-10-13 21:21:08,982 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 52 [2019-10-13 21:21:08,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:08,982 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2019-10-13 21:21:08,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2019-10-13 21:21:08,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:21:08,985 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:08,985 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:08,985 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:08,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:08,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2037013755, now seen corresponding path program 1 times [2019-10-13 21:21:08,986 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:08,986 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927002752] [2019-10-13 21:21:08,986 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:08,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:08,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:09,144 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927002752] [2019-10-13 21:21:09,144 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:09,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:09,145 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639748816] [2019-10-13 21:21:09,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:09,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:09,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:09,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:09,146 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2019-10-13 21:21:09,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:09,491 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2019-10-13 21:21:09,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:09,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 21:21:09,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:09,495 INFO L225 Difference]: With dead ends: 252 [2019-10-13 21:21:09,495 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 21:21:09,499 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 21:21:09,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 21:21:09,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-13 21:21:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-13 21:21:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2019-10-13 21:21:09,528 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 57 [2019-10-13 21:21:09,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:09,528 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2019-10-13 21:21:09,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2019-10-13 21:21:09,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:21:09,532 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:09,532 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:09,532 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:09,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:09,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1760955875, now seen corresponding path program 1 times [2019-10-13 21:21:09,533 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:09,534 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270256397] [2019-10-13 21:21:09,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:09,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:09,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:09,666 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270256397] [2019-10-13 21:21:09,666 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:09,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:09,666 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812310731] [2019-10-13 21:21:09,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:09,667 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:09,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:09,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:09,668 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 5 states. [2019-10-13 21:21:10,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:10,240 INFO L93 Difference]: Finished difference Result 355 states and 427 transitions. [2019-10-13 21:21:10,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:10,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-13 21:21:10,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:10,249 INFO L225 Difference]: With dead ends: 355 [2019-10-13 21:21:10,250 INFO L226 Difference]: Without dead ends: 243 [2019-10-13 21:21:10,251 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:10,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-10-13 21:21:10,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2019-10-13 21:21:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-13 21:21:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2019-10-13 21:21:10,281 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 70 [2019-10-13 21:21:10,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:10,281 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2019-10-13 21:21:10,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2019-10-13 21:21:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:21:10,285 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:10,285 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:10,285 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:10,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:10,285 INFO L82 PathProgramCache]: Analyzing trace with hash 454740656, now seen corresponding path program 1 times [2019-10-13 21:21:10,286 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:10,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856720188] [2019-10-13 21:21:10,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:10,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:10,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:10,445 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856720188] [2019-10-13 21:21:10,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:10,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:10,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659398278] [2019-10-13 21:21:10,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:10,448 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:10,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:10,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:10,449 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 6 states. [2019-10-13 21:21:10,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:10,667 INFO L93 Difference]: Finished difference Result 598 states and 704 transitions. [2019-10-13 21:21:10,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:10,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-13 21:21:10,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:10,672 INFO L225 Difference]: With dead ends: 598 [2019-10-13 21:21:10,673 INFO L226 Difference]: Without dead ends: 402 [2019-10-13 21:21:10,674 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:10,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-13 21:21:10,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 396. [2019-10-13 21:21:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-13 21:21:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 452 transitions. [2019-10-13 21:21:10,722 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 452 transitions. Word has length 84 [2019-10-13 21:21:10,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:10,724 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 452 transitions. [2019-10-13 21:21:10,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 452 transitions. [2019-10-13 21:21:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:10,728 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:10,728 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:10,729 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:10,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:10,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1923981492, now seen corresponding path program 1 times [2019-10-13 21:21:10,729 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:10,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036833556] [2019-10-13 21:21:10,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:10,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:10,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:10,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:10,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036833556] [2019-10-13 21:21:10,827 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:10,827 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:10,827 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258960920] [2019-10-13 21:21:10,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:10,828 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:10,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:10,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:10,829 INFO L87 Difference]: Start difference. First operand 396 states and 452 transitions. Second operand 7 states. [2019-10-13 21:21:11,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:11,488 INFO L93 Difference]: Finished difference Result 795 states and 932 transitions. [2019-10-13 21:21:11,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:21:11,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2019-10-13 21:21:11,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:11,503 INFO L225 Difference]: With dead ends: 795 [2019-10-13 21:21:11,503 INFO L226 Difference]: Without dead ends: 427 [2019-10-13 21:21:11,505 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 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 21:21:11,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-10-13 21:21:11,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 395. [2019-10-13 21:21:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-13 21:21:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 449 transitions. [2019-10-13 21:21:11,548 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 449 transitions. Word has length 88 [2019-10-13 21:21:11,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:11,549 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 449 transitions. [2019-10-13 21:21:11,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 449 transitions. [2019-10-13 21:21:11,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:21:11,551 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:11,551 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] [2019-10-13 21:21:11,551 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:11,552 INFO L82 PathProgramCache]: Analyzing trace with hash -282041291, now seen corresponding path program 1 times [2019-10-13 21:21:11,552 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:11,552 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818643910] [2019-10-13 21:21:11,552 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,553 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:11,632 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 21:21:11,633 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818643910] [2019-10-13 21:21:11,633 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:11,633 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:11,634 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663891569] [2019-10-13 21:21:11,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:11,635 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:11,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:11,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:11,635 INFO L87 Difference]: Start difference. First operand 395 states and 449 transitions. Second operand 6 states. [2019-10-13 21:21:11,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:11,680 INFO L93 Difference]: Finished difference Result 776 states and 902 transitions. [2019-10-13 21:21:11,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:11,681 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-10-13 21:21:11,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:11,684 INFO L225 Difference]: With dead ends: 776 [2019-10-13 21:21:11,684 INFO L226 Difference]: Without dead ends: 409 [2019-10-13 21:21:11,685 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:11,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-13 21:21:11,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 405. [2019-10-13 21:21:11,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2019-10-13 21:21:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 459 transitions. [2019-10-13 21:21:11,709 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 459 transitions. Word has length 104 [2019-10-13 21:21:11,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:11,709 INFO L462 AbstractCegarLoop]: Abstraction has 405 states and 459 transitions. [2019-10-13 21:21:11,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 459 transitions. [2019-10-13 21:21:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:21:11,711 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:11,712 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] [2019-10-13 21:21:11,712 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:11,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:11,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1646231411, now seen corresponding path program 1 times [2019-10-13 21:21:11,713 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:11,713 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082626806] [2019-10-13 21:21:11,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:11,802 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 21:21:11,803 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082626806] [2019-10-13 21:21:11,803 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:11,803 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:21:11,804 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152667275] [2019-10-13 21:21:11,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:11,805 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:11,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:11,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:11,805 INFO L87 Difference]: Start difference. First operand 405 states and 459 transitions. Second operand 8 states. [2019-10-13 21:21:11,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:11,847 INFO L93 Difference]: Finished difference Result 796 states and 924 transitions. [2019-10-13 21:21:11,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:11,848 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2019-10-13 21:21:11,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:11,851 INFO L225 Difference]: With dead ends: 796 [2019-10-13 21:21:11,851 INFO L226 Difference]: Without dead ends: 419 [2019-10-13 21:21:11,853 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:11,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-10-13 21:21:11,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 413. [2019-10-13 21:21:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-13 21:21:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 467 transitions. [2019-10-13 21:21:11,875 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 467 transitions. Word has length 104 [2019-10-13 21:21:11,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:11,876 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 467 transitions. [2019-10-13 21:21:11,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 467 transitions. [2019-10-13 21:21:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:21:11,878 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:11,878 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] [2019-10-13 21:21:11,878 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:11,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:11,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1405691282, now seen corresponding path program 1 times [2019-10-13 21:21:11,879 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:11,879 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065704200] [2019-10-13 21:21:11,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:11,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:11,984 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 21:21:11,985 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065704200] [2019-10-13 21:21:11,986 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:11,986 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:21:11,987 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48646846] [2019-10-13 21:21:11,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:21:11,987 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:11,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:21:11,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:11,988 INFO L87 Difference]: Start difference. First operand 413 states and 467 transitions. Second operand 4 states. [2019-10-13 21:21:12,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:12,341 INFO L93 Difference]: Finished difference Result 1218 states and 1446 transitions. [2019-10-13 21:21:12,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:21:12,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-10-13 21:21:12,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:12,347 INFO L225 Difference]: With dead ends: 1218 [2019-10-13 21:21:12,347 INFO L226 Difference]: Without dead ends: 833 [2019-10-13 21:21:12,349 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:12,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2019-10-13 21:21:12,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 818. [2019-10-13 21:21:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2019-10-13 21:21:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 951 transitions. [2019-10-13 21:21:12,398 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 951 transitions. Word has length 104 [2019-10-13 21:21:12,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:12,399 INFO L462 AbstractCegarLoop]: Abstraction has 818 states and 951 transitions. [2019-10-13 21:21:12,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:21:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 951 transitions. [2019-10-13 21:21:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:21:12,402 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:12,402 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, 1] [2019-10-13 21:21:12,402 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:12,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:12,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1820843884, now seen corresponding path program 1 times [2019-10-13 21:21:12,403 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:12,403 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308092791] [2019-10-13 21:21:12,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:12,404 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:12,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:12,546 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 21:21:12,546 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308092791] [2019-10-13 21:21:12,546 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348814412] [2019-10-13 21:21:12,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:12,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:21:12,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:13,001 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 21:21:13,001 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:14,107 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 21:21:14,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:14,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:21:14,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147221050] [2019-10-13 21:21:14,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:14,113 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:14,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:14,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:21:14,114 INFO L87 Difference]: Start difference. First operand 818 states and 951 transitions. Second operand 8 states. [2019-10-13 21:21:14,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:14,571 INFO L93 Difference]: Finished difference Result 1579 states and 1846 transitions. [2019-10-13 21:21:14,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:14,572 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-13 21:21:14,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:14,577 INFO L225 Difference]: With dead ends: 1579 [2019-10-13 21:21:14,577 INFO L226 Difference]: Without dead ends: 789 [2019-10-13 21:21:14,581 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 199 SyntacticMatches, 7 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 21:21:14,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2019-10-13 21:21:14,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2019-10-13 21:21:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-10-13 21:21:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 903 transitions. [2019-10-13 21:21:14,647 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 903 transitions. Word has length 108 [2019-10-13 21:21:14,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:14,647 INFO L462 AbstractCegarLoop]: Abstraction has 789 states and 903 transitions. [2019-10-13 21:21:14,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 903 transitions. [2019-10-13 21:21:14,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-13 21:21:14,653 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:14,654 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:14,860 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:14,860 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:14,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:14,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1006806352, now seen corresponding path program 1 times [2019-10-13 21:21:14,861 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:14,862 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301186822] [2019-10-13 21:21:14,862 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:14,862 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:14,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:21:15,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301186822] [2019-10-13 21:21:15,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345949374] [2019-10-13 21:21:15,028 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 21:21:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:15,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:21:15,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:15,312 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:21:15,575 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:15,576 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-13 21:21:15,576 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592789910] [2019-10-13 21:21:15,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:15,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:15,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:15,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:15,577 INFO L87 Difference]: Start difference. First operand 789 states and 903 transitions. Second operand 5 states. [2019-10-13 21:21:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:16,225 INFO L93 Difference]: Finished difference Result 1654 states and 1994 transitions. [2019-10-13 21:21:16,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:16,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2019-10-13 21:21:16,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:16,234 INFO L225 Difference]: With dead ends: 1654 [2019-10-13 21:21:16,235 INFO L226 Difference]: Without dead ends: 1021 [2019-10-13 21:21:16,237 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2019-10-13 21:21:16,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 953. [2019-10-13 21:21:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2019-10-13 21:21:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1112 transitions. [2019-10-13 21:21:16,318 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1112 transitions. Word has length 166 [2019-10-13 21:21:16,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:16,319 INFO L462 AbstractCegarLoop]: Abstraction has 953 states and 1112 transitions. [2019-10-13 21:21:16,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1112 transitions. [2019-10-13 21:21:16,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-13 21:21:16,325 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:16,325 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:16,540 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:16,541 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:16,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:16,542 INFO L82 PathProgramCache]: Analyzing trace with hash -891659702, now seen corresponding path program 1 times [2019-10-13 21:21:16,542 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:16,543 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005181904] [2019-10-13 21:21:16,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:16,689 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:21:16,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005181904] [2019-10-13 21:21:16,689 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:16,690 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:16,690 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929025306] [2019-10-13 21:21:16,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:16,691 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:16,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:16,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:16,692 INFO L87 Difference]: Start difference. First operand 953 states and 1112 transitions. Second operand 3 states. [2019-10-13 21:21:16,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:16,799 INFO L93 Difference]: Finished difference Result 1534 states and 1830 transitions. [2019-10-13 21:21:16,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:16,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-13 21:21:16,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:16,812 INFO L225 Difference]: With dead ends: 1534 [2019-10-13 21:21:16,812 INFO L226 Difference]: Without dead ends: 1531 [2019-10-13 21:21:16,813 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2019-10-13 21:21:16,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1112. [2019-10-13 21:21:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2019-10-13 21:21:16,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1323 transitions. [2019-10-13 21:21:16,932 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1323 transitions. Word has length 162 [2019-10-13 21:21:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:16,933 INFO L462 AbstractCegarLoop]: Abstraction has 1112 states and 1323 transitions. [2019-10-13 21:21:16,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:16,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1323 transitions. [2019-10-13 21:21:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-10-13 21:21:16,943 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:16,944 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:16,945 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:16,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:16,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1557756072, now seen corresponding path program 1 times [2019-10-13 21:21:16,946 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:16,946 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91362024] [2019-10-13 21:21:16,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,947 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:16,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-13 21:21:17,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91362024] [2019-10-13 21:21:17,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453152894] [2019-10-13 21:21:17,453 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 21:21:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:17,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:17,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:17,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 21:21:17,914 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:18,177 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:18,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:18,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:18,258 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:18,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-13 21:21:18,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1974128832] [2019-10-13 21:21:18,554 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 224 [2019-10-13 21:21:18,602 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:18,602 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:18,673 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:18,675 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:21:18,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:18,680 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:18,757 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:18,757 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:18,762 INFO L553 sIntCurrentIteration]: We unified 222 AI predicates to 222 [2019-10-13 21:21:18,762 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:18,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:18,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 10, 10] total 17 [2019-10-13 21:21:18,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802599787] [2019-10-13 21:21:18,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:18,765 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:18,765 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:18,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:18,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:18,766 INFO L87 Difference]: Start difference. First operand 1112 states and 1323 transitions. Second operand 2 states. [2019-10-13 21:21:18,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:18,781 INFO L93 Difference]: Finished difference Result 1112 states and 1323 transitions. [2019-10-13 21:21:18,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:18,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 223 [2019-10-13 21:21:18,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:18,782 INFO L225 Difference]: With dead ends: 1112 [2019-10-13 21:21:18,782 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:18,785 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:18,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:18,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:18,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:18,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2019-10-13 21:21:18,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:18,786 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:18,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:18,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:18,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:18,987 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:18,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:19,379 INFO L443 ceAbstractionStarter]: For program point L250(lines 227 251) no Hoare annotation was computed. [2019-10-13 21:21:19,379 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 203 258) no Hoare annotation was computed. [2019-10-13 21:21:19,379 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:21:19,379 INFO L443 ceAbstractionStarter]: For program point L234-1(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:21:19,379 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 203 258) no Hoare annotation was computed. [2019-10-13 21:21:19,379 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 203 258) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point L228-2(lines 228 249) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point L286(line 286) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point L285-2(lines 285 310) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point L311(lines 284 312) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 259 318) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point L304(line 304) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point L304-1(line 304) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 259 318) no Hoare annotation was computed. [2019-10-13 21:21:19,380 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 259 318) no Hoare annotation was computed. [2019-10-13 21:21:19,381 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 295) no Hoare annotation was computed. [2019-10-13 21:21:19,381 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 295) no Hoare annotation was computed. [2019-10-13 21:21:19,381 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2019-10-13 21:21:19,381 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2019-10-13 21:21:19,381 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2019-10-13 21:21:19,381 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2019-10-13 21:21:19,381 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2019-10-13 21:21:19,381 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: true [2019-10-13 21:21:19,381 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2019-10-13 21:21:19,381 INFO L446 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2019-10-13 21:21:19,382 INFO L446 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: true [2019-10-13 21:21:19,382 INFO L443 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2019-10-13 21:21:19,382 INFO L443 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2019-10-13 21:21:19,382 INFO L443 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2019-10-13 21:21:19,382 INFO L446 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: true [2019-10-13 21:21:19,382 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2019-10-13 21:21:19,382 INFO L446 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: true [2019-10-13 21:21:19,382 INFO L446 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: true [2019-10-13 21:21:19,383 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-13 21:21:19,383 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 924 947) no Hoare annotation was computed. [2019-10-13 21:21:19,383 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 924 947) no Hoare annotation was computed. [2019-10-13 21:21:19,383 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 924 947) no Hoare annotation was computed. [2019-10-13 21:21:19,383 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-13 21:21:19,383 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-13 21:21:19,383 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-13 21:21:19,383 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-13 21:21:19,383 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-13 21:21:19,384 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-13 21:21:19,384 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-13 21:21:19,384 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-13 21:21:19,384 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-13 21:21:19,384 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-13 21:21:19,384 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-13 21:21:19,384 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-13 21:21:19,384 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-13 21:21:19,384 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2019-10-13 21:21:19,385 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2019-10-13 21:21:19,385 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2019-10-13 21:21:19,385 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-10-13 21:21:19,385 INFO L446 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2019-10-13 21:21:19,385 INFO L443 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-10-13 21:21:19,385 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2019-10-13 21:21:19,385 INFO L443 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2019-10-13 21:21:19,385 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 759) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 732 767) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 732 767) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 747) no Hoare annotation was computed. [2019-10-13 21:21:19,386 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 732 767) no Hoare annotation was computed. [2019-10-13 21:21:19,387 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2019-10-13 21:21:19,387 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2019-10-13 21:21:19,387 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 157 202) no Hoare annotation was computed. [2019-10-13 21:21:19,387 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 157 202) no Hoare annotation was computed. [2019-10-13 21:21:19,387 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 157 202) no Hoare annotation was computed. [2019-10-13 21:21:19,387 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 470 515) no Hoare annotation was computed. [2019-10-13 21:21:19,387 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 470 515) no Hoare annotation was computed. [2019-10-13 21:21:19,387 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 497) no Hoare annotation was computed. [2019-10-13 21:21:19,388 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 470 515) no Hoare annotation was computed. [2019-10-13 21:21:19,388 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 504) no Hoare annotation was computed. [2019-10-13 21:21:19,388 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 484 504) no Hoare annotation was computed. [2019-10-13 21:21:19,388 INFO L446 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: true [2019-10-13 21:21:19,388 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: true [2019-10-13 21:21:19,388 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2019-10-13 21:21:19,388 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2019-10-13 21:21:19,388 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2019-10-13 21:21:19,389 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-13 21:21:19,389 INFO L443 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2019-10-13 21:21:19,389 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2019-10-13 21:21:19,389 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2019-10-13 21:21:19,389 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: true [2019-10-13 21:21:19,389 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2019-10-13 21:21:19,389 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2019-10-13 21:21:19,389 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-13 21:21:19,390 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-13 21:21:19,390 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-13 21:21:19,390 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-13 21:21:19,390 INFO L446 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2019-10-13 21:21:19,390 INFO L443 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2019-10-13 21:21:19,390 INFO L446 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: true [2019-10-13 21:21:19,390 INFO L446 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: true [2019-10-13 21:21:19,390 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2019-10-13 21:21:19,390 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-10-13 21:21:19,391 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: true [2019-10-13 21:21:19,391 INFO L446 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: true [2019-10-13 21:21:19,391 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-13 21:21:19,391 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-10-13 21:21:19,391 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2019-10-13 21:21:19,391 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2019-10-13 21:21:19,391 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: true [2019-10-13 21:21:19,391 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2019-10-13 21:21:19,391 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2019-10-13 21:21:19,392 INFO L446 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: true [2019-10-13 21:21:19,392 INFO L443 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2019-10-13 21:21:19,392 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-13 21:21:19,392 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2019-10-13 21:21:19,392 INFO L446 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: true [2019-10-13 21:21:19,392 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-10-13 21:21:19,392 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2019-10-13 21:21:19,392 INFO L446 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: true [2019-10-13 21:21:19,392 INFO L446 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2019-10-13 21:21:19,393 INFO L446 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: true [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 451) no Hoare annotation was computed. [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 424 469) no Hoare annotation was computed. [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 458) no Hoare annotation was computed. [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 438 458) no Hoare annotation was computed. [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 424 469) no Hoare annotation was computed. [2019-10-13 21:21:19,393 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 424 469) no Hoare annotation was computed. [2019-10-13 21:21:19,394 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: true [2019-10-13 21:21:19,394 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2019-10-13 21:21:19,394 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2019-10-13 21:21:19,394 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:21:19,394 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-13 21:21:19,394 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:21:19,394 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-10-13 21:21:19,394 INFO L443 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2019-10-13 21:21:19,394 INFO L446 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2019-10-13 21:21:19,395 INFO L443 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2019-10-13 21:21:19,395 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: true [2019-10-13 21:21:19,395 INFO L446 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: true [2019-10-13 21:21:19,395 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2019-10-13 21:21:19,395 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2019-10-13 21:21:19,395 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2019-10-13 21:21:19,395 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-13 21:21:19,395 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-13 21:21:19,396 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-13 21:21:19,396 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-13 21:21:19,396 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-13 21:21:19,396 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-13 21:21:19,396 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-13 21:21:19,396 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: true [2019-10-13 21:21:19,396 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2019-10-13 21:21:19,396 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2019-10-13 21:21:19,396 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-10-13 21:21:19,397 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 321 423) no Hoare annotation was computed. [2019-10-13 21:21:19,397 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 349) no Hoare annotation was computed. [2019-10-13 21:21:19,397 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 420) no Hoare annotation was computed. [2019-10-13 21:21:19,397 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-10-13 21:21:19,397 INFO L443 ceAbstractionStarter]: For program point L370-2(lines 370 390) no Hoare annotation was computed. [2019-10-13 21:21:19,397 INFO L443 ceAbstractionStarter]: For program point L391(lines 369 392) no Hoare annotation was computed. [2019-10-13 21:21:19,397 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 321 423) no Hoare annotation was computed. [2019-10-13 21:21:19,397 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 366) no Hoare annotation was computed. [2019-10-13 21:21:19,397 INFO L443 ceAbstractionStarter]: For program point L410(lines 410 417) no Hoare annotation was computed. [2019-10-13 21:21:19,398 INFO L443 ceAbstractionStarter]: For program point L371(lines 370 390) no Hoare annotation was computed. [2019-10-13 21:21:19,398 INFO L443 ceAbstractionStarter]: For program point L402(line 402) no Hoare annotation was computed. [2019-10-13 21:21:19,398 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 321 423) no Hoare annotation was computed. [2019-10-13 21:21:19,398 INFO L443 ceAbstractionStarter]: For program point L402-1(line 402) no Hoare annotation was computed. [2019-10-13 21:21:19,398 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 408) no Hoare annotation was computed. [2019-10-13 21:21:19,398 INFO L443 ceAbstractionStarter]: For program point L386(line 386) no Hoare annotation was computed. [2019-10-13 21:21:19,398 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 859 868) no Hoare annotation was computed. [2019-10-13 21:21:19,398 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 859 868) no Hoare annotation was computed. [2019-10-13 21:21:19,398 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 859 868) no Hoare annotation was computed. [2019-10-13 21:21:19,399 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:19,399 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 21:21:19,399 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:19,399 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2019-10-13 21:21:19,399 INFO L446 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: true [2019-10-13 21:21:19,399 INFO L443 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2019-10-13 21:21:19,399 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: true [2019-10-13 21:21:19,399 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-10-13 21:21:19,400 INFO L446 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2019-10-13 21:21:19,400 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-10-13 21:21:19,400 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:21:19,400 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:21:19,400 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:21:19,400 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2019-10-13 21:21:19,400 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-13 21:21:19,400 INFO L446 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2019-10-13 21:21:19,401 INFO L443 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-10-13 21:21:19,401 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-13 21:21:19,401 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2019-10-13 21:21:19,401 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2019-10-13 21:21:19,401 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-13 21:21:19,401 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2019-10-13 21:21:19,401 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-13 21:21:19,401 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:19,401 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:19,402 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:19,402 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-13 21:21:19,402 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-13 21:21:19,402 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-13 21:21:19,402 INFO L446 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: true [2019-10-13 21:21:19,402 INFO L446 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: true [2019-10-13 21:21:19,402 INFO L446 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2019-10-13 21:21:19,402 INFO L443 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2019-10-13 21:21:19,403 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: true [2019-10-13 21:21:19,403 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2019-10-13 21:21:19,403 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2019-10-13 21:21:19,403 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2019-10-13 21:21:19,403 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2019-10-13 21:21:19,403 INFO L446 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2019-10-13 21:21:19,403 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-13 21:21:19,403 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-10-13 21:21:19,404 INFO L446 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2019-10-13 21:21:19,404 INFO L443 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-10-13 21:21:19,404 INFO L446 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2019-10-13 21:21:19,404 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-10-13 21:21:19,404 INFO L443 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2019-10-13 21:21:19,404 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2019-10-13 21:21:19,404 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-13 21:21:19,404 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-13 21:21:19,405 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2019-10-13 21:21:19,405 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2019-10-13 21:21:19,405 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:19,405 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:19,405 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:19,405 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:19,405 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2019-10-13 21:21:19,405 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: true [2019-10-13 21:21:19,405 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2019-10-13 21:21:19,406 INFO L446 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: true [2019-10-13 21:21:19,406 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: true [2019-10-13 21:21:19,406 INFO L446 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2019-10-13 21:21:19,406 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2019-10-13 21:21:19,406 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-10-13 21:21:19,406 INFO L446 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: true [2019-10-13 21:21:19,406 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-13 21:21:19,406 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-10-13 21:21:19,406 INFO L446 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: true [2019-10-13 21:21:19,406 INFO L443 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2019-10-13 21:21:19,407 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-13 21:21:19,407 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-13 21:21:19,407 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: true [2019-10-13 21:21:19,407 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2019-10-13 21:21:19,407 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2019-10-13 21:21:19,407 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2019-10-13 21:21:19,407 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-10-13 21:21:19,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:19 BoogieIcfgContainer [2019-10-13 21:21:19,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:19,420 INFO L168 Benchmark]: Toolchain (without parser) took 13310.28 ms. Allocated memory was 137.9 MB in the beginning and 473.4 MB in the end (delta: 335.5 MB). Free memory was 101.0 MB in the beginning and 226.6 MB in the end (delta: -125.7 MB). Peak memory consumption was 209.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:19,420 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:19,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.64 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 168.6 MB in the end (delta: -67.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:19,422 INFO L168 Benchmark]: Boogie Preprocessor took 117.32 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 163.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:19,423 INFO L168 Benchmark]: RCFGBuilder took 1284.09 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 163.8 MB in the beginning and 193.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:19,423 INFO L168 Benchmark]: TraceAbstraction took 11238.79 ms. Allocated memory was 233.8 MB in the beginning and 473.4 MB in the end (delta: 239.6 MB). Free memory was 191.7 MB in the beginning and 226.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 204.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:19,426 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.64 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 168.6 MB in the end (delta: -67.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.32 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 163.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1284.09 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 163.8 MB in the beginning and 193.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11238.79 ms. Allocated memory was 233.8 MB in the beginning and 473.4 MB in the end (delta: 239.6 MB). Free memory was 191.7 MB in the beginning and 226.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 204.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 251 locations, 1 error locations. Result: SAFE, OverallTime: 11.1s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 2266 SDtfs, 1267 SDslu, 4624 SDs, 0 SdLazy, 1785 SolverSat, 376 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 890 GetRequests, 803 SyntacticMatches, 9 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1112occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 569 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1865 PreInvPairs, 1866 NumberOfFragments, 73 HoareAnnotationTreeSize, 1865 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1870 NumberOfCodeBlocks, 1870 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2348 ConstructedInterpolants, 0 QuantifiedInterpolants, 586642 SizeOfPredicates, 16 NumberOfNonLiveVariables, 2875 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 471/554 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 126, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7387387387387387, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...