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_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:39,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:39,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:39,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:39,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:39,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:39,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:39,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:39,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:39,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:39,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:39,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:39,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:39,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:39,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:39,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:39,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:39,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:39,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:39,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:39,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:39,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:39,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:39,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:39,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:39,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:39,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:39,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:39,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:39,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:39,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:39,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:39,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:39,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:39,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:39,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:39,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:39,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:39,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:39,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:39,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:39,811 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 21:22:39,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:39,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:39,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:39,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:39,849 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:39,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:39,852 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:39,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:39,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:39,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:39,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:39,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:39,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:39,854 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:39,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:39,854 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:39,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:39,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:39,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:39,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:39,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:39,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:39,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:39,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:39,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:39,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:39,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:39,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:39,859 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 21:22:40,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:40,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:40,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:40,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:40,225 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:40,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2019-10-13 21:22:40,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9951e87cc/ae0c3b3b5a2149c998141c5ee7801873/FLAGb6bc26e58 [2019-10-13 21:22:40,799 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:40,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2019-10-13 21:22:40,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9951e87cc/ae0c3b3b5a2149c998141c5ee7801873/FLAGb6bc26e58 [2019-10-13 21:22:41,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9951e87cc/ae0c3b3b5a2149c998141c5ee7801873 [2019-10-13 21:22:41,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:41,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:41,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:41,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:41,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:41,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21180631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41, skipping insertion in model container [2019-10-13 21:22:41,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,173 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:41,235 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:41,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:41,760 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:41,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:41,903 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:41,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41 WrapperNode [2019-10-13 21:22:41,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:41,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:41,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:41,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:41,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:42,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:42,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:42,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:42,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:42,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (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 21:22:42,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:42,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:43,250 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:43,251 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:43,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:43 BoogieIcfgContainer [2019-10-13 21:22:43,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:43,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:43,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:43,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:43,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:41" (1/3) ... [2019-10-13 21:22:43,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250a4e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:43, skipping insertion in model container [2019-10-13 21:22:43,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (2/3) ... [2019-10-13 21:22:43,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250a4e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:43, skipping insertion in model container [2019-10-13 21:22:43,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:43" (3/3) ... [2019-10-13 21:22:43,262 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2019-10-13 21:22:43,272 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:43,281 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:43,293 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:43,320 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:43,321 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:43,321 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:43,321 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:43,321 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:43,321 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:43,321 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:43,322 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-10-13 21:22:43,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:43,354 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:43,355 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] [2019-10-13 21:22:43,357 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:43,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:43,363 INFO L82 PathProgramCache]: Analyzing trace with hash 441969018, now seen corresponding path program 1 times [2019-10-13 21:22:43,373 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:43,374 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866357629] [2019-10-13 21:22:43,374 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,374 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:43,759 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 21:22:43,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866357629] [2019-10-13 21:22:43,761 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:43,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:43,762 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500733482] [2019-10-13 21:22:43,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:43,774 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:43,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:43,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:43,792 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2019-10-13 21:22:43,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:43,832 INFO L93 Difference]: Finished difference Result 256 states and 315 transitions. [2019-10-13 21:22:43,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:43,834 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:43,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:43,847 INFO L225 Difference]: With dead ends: 256 [2019-10-13 21:22:43,847 INFO L226 Difference]: Without dead ends: 130 [2019-10-13 21:22:43,852 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 21:22:43,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-10-13 21:22:43,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-10-13 21:22:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-13 21:22:43,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2019-10-13 21:22:43,906 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59 [2019-10-13 21:22:43,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:43,907 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2019-10-13 21:22:43,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2019-10-13 21:22:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:43,911 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:43,911 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] [2019-10-13 21:22:43,911 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:43,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:43,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1441424744, now seen corresponding path program 1 times [2019-10-13 21:22:43,912 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:43,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146980968] [2019-10-13 21:22:43,913 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,913 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,050 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 21:22:44,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146980968] [2019-10-13 21:22:44,051 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,051 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:44,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063846945] [2019-10-13 21:22:44,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:44,056 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:44,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:44,058 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states. [2019-10-13 21:22:44,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,089 INFO L93 Difference]: Finished difference Result 205 states and 237 transitions. [2019-10-13 21:22:44,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:44,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:44,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,092 INFO L225 Difference]: With dead ends: 205 [2019-10-13 21:22:44,092 INFO L226 Difference]: Without dead ends: 121 [2019-10-13 21:22:44,094 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 21:22:44,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-13 21:22:44,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-13 21:22:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-13 21:22:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2019-10-13 21:22:44,109 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 60 [2019-10-13 21:22:44,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,110 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2019-10-13 21:22:44,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:44,110 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2019-10-13 21:22:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:44,115 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,115 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] [2019-10-13 21:22:44,116 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1933724587, now seen corresponding path program 1 times [2019-10-13 21:22:44,116 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504689267] [2019-10-13 21:22:44,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,322 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 21:22:44,322 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504689267] [2019-10-13 21:22:44,323 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,323 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:44,325 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723383143] [2019-10-13 21:22:44,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:44,326 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:44,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:44,327 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2019-10-13 21:22:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,739 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2019-10-13 21:22:44,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:44,739 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:22:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,743 INFO L225 Difference]: With dead ends: 214 [2019-10-13 21:22:44,743 INFO L226 Difference]: Without dead ends: 121 [2019-10-13 21:22:44,747 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:44,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-13 21:22:44,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-13 21:22:44,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-13 21:22:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2019-10-13 21:22:44,773 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 64 [2019-10-13 21:22:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,779 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2019-10-13 21:22:44,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2019-10-13 21:22:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-13 21:22:44,782 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,782 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] [2019-10-13 21:22:44,782 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1782817326, now seen corresponding path program 1 times [2019-10-13 21:22:44,787 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342627702] [2019-10-13 21:22:44,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,984 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 21:22:44,984 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342627702] [2019-10-13 21:22:44,985 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:44,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380969581] [2019-10-13 21:22:44,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:44,986 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:44,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:44,988 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 5 states. [2019-10-13 21:22:45,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,453 INFO L93 Difference]: Finished difference Result 306 states and 367 transitions. [2019-10-13 21:22:45,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:45,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-10-13 21:22:45,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,456 INFO L225 Difference]: With dead ends: 306 [2019-10-13 21:22:45,457 INFO L226 Difference]: Without dead ends: 213 [2019-10-13 21:22:45,458 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:45,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-10-13 21:22:45,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 195. [2019-10-13 21:22:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-10-13 21:22:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 225 transitions. [2019-10-13 21:22:45,507 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 225 transitions. Word has length 72 [2019-10-13 21:22:45,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:45,507 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 225 transitions. [2019-10-13 21:22:45,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 225 transitions. [2019-10-13 21:22:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-13 21:22:45,515 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:45,515 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] [2019-10-13 21:22:45,516 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:45,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:45,518 INFO L82 PathProgramCache]: Analyzing trace with hash 526954491, now seen corresponding path program 1 times [2019-10-13 21:22:45,518 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:45,518 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103987225] [2019-10-13 21:22:45,518 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,519 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:45,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103987225] [2019-10-13 21:22:45,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:45,694 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:45,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857887831] [2019-10-13 21:22:45,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:45,695 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:45,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:45,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:45,696 INFO L87 Difference]: Start difference. First operand 195 states and 225 transitions. Second operand 7 states. [2019-10-13 21:22:46,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:46,353 INFO L93 Difference]: Finished difference Result 379 states and 450 transitions. [2019-10-13 21:22:46,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:46,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2019-10-13 21:22:46,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:46,357 INFO L225 Difference]: With dead ends: 379 [2019-10-13 21:22:46,357 INFO L226 Difference]: Without dead ends: 212 [2019-10-13 21:22:46,363 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:46,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-10-13 21:22:46,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 194. [2019-10-13 21:22:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-10-13 21:22:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 222 transitions. [2019-10-13 21:22:46,401 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 222 transitions. Word has length 86 [2019-10-13 21:22:46,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:46,402 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 222 transitions. [2019-10-13 21:22:46,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 222 transitions. [2019-10-13 21:22:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-13 21:22:46,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,406 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] [2019-10-13 21:22:46,411 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1805003882, now seen corresponding path program 1 times [2019-10-13 21:22:46,412 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,412 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696452213] [2019-10-13 21:22:46,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,537 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 21:22:46,537 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696452213] [2019-10-13 21:22:46,538 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:46,538 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:46,538 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603966750] [2019-10-13 21:22:46,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:46,539 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:46,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:46,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:46,540 INFO L87 Difference]: Start difference. First operand 194 states and 222 transitions. Second operand 6 states. [2019-10-13 21:22:46,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:46,580 INFO L93 Difference]: Finished difference Result 367 states and 430 transitions. [2019-10-13 21:22:46,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:46,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2019-10-13 21:22:46,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:46,584 INFO L225 Difference]: With dead ends: 367 [2019-10-13 21:22:46,584 INFO L226 Difference]: Without dead ends: 201 [2019-10-13 21:22:46,585 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 21:22:46,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2019-10-13 21:22:46,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2019-10-13 21:22:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-10-13 21:22:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 227 transitions. [2019-10-13 21:22:46,603 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 227 transitions. Word has length 102 [2019-10-13 21:22:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:46,604 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 227 transitions. [2019-10-13 21:22:46,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 227 transitions. [2019-10-13 21:22:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-13 21:22:46,606 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,607 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] [2019-10-13 21:22:46,607 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,607 INFO L82 PathProgramCache]: Analyzing trace with hash -244383960, now seen corresponding path program 1 times [2019-10-13 21:22:46,607 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472890110] [2019-10-13 21:22:46,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,734 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 21:22:46,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472890110] [2019-10-13 21:22:46,735 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:46,735 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:46,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573690014] [2019-10-13 21:22:46,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:46,737 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:46,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:46,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:46,737 INFO L87 Difference]: Start difference. First operand 199 states and 227 transitions. Second operand 8 states. [2019-10-13 21:22:46,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:46,794 INFO L93 Difference]: Finished difference Result 377 states and 441 transitions. [2019-10-13 21:22:46,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:46,795 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-10-13 21:22:46,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:46,797 INFO L225 Difference]: With dead ends: 377 [2019-10-13 21:22:46,797 INFO L226 Difference]: Without dead ends: 206 [2019-10-13 21:22:46,798 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 21:22:46,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-10-13 21:22:46,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2019-10-13 21:22:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-13 21:22:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 231 transitions. [2019-10-13 21:22:46,812 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 231 transitions. Word has length 102 [2019-10-13 21:22:46,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:46,813 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 231 transitions. [2019-10-13 21:22:46,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:46,813 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 231 transitions. [2019-10-13 21:22:46,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-13 21:22:46,815 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,815 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] [2019-10-13 21:22:46,815 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,816 INFO L82 PathProgramCache]: Analyzing trace with hash 725197063, now seen corresponding path program 1 times [2019-10-13 21:22:46,816 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157569163] [2019-10-13 21:22:46,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,890 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 21:22:46,890 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157569163] [2019-10-13 21:22:46,891 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:46,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:46,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374554949] [2019-10-13 21:22:46,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:46,892 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:46,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:46,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:46,893 INFO L87 Difference]: Start difference. First operand 203 states and 231 transitions. Second operand 4 states. [2019-10-13 21:22:47,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:47,119 INFO L93 Difference]: Finished difference Result 568 states and 679 transitions. [2019-10-13 21:22:47,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:47,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-10-13 21:22:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:47,122 INFO L225 Difference]: With dead ends: 568 [2019-10-13 21:22:47,122 INFO L226 Difference]: Without dead ends: 393 [2019-10-13 21:22:47,123 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 21:22:47,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-13 21:22:47,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 384. [2019-10-13 21:22:47,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-10-13 21:22:47,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 449 transitions. [2019-10-13 21:22:47,153 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 449 transitions. Word has length 102 [2019-10-13 21:22:47,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:47,154 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 449 transitions. [2019-10-13 21:22:47,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 449 transitions. [2019-10-13 21:22:47,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-13 21:22:47,156 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:47,156 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] [2019-10-13 21:22:47,156 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:47,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:47,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1122638495, now seen corresponding path program 1 times [2019-10-13 21:22:47,157 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:47,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320205120] [2019-10-13 21:22:47,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:47,301 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 21:22:47,301 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320205120] [2019-10-13 21:22:47,301 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:47,302 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:47,302 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920863930] [2019-10-13 21:22:47,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:47,303 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:47,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:47,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:47,303 INFO L87 Difference]: Start difference. First operand 384 states and 449 transitions. Second operand 9 states. [2019-10-13 21:22:48,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:48,294 INFO L93 Difference]: Finished difference Result 1013 states and 1237 transitions. [2019-10-13 21:22:48,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:48,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2019-10-13 21:22:48,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:48,301 INFO L225 Difference]: With dead ends: 1013 [2019-10-13 21:22:48,301 INFO L226 Difference]: Without dead ends: 720 [2019-10-13 21:22:48,303 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:48,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2019-10-13 21:22:48,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 650. [2019-10-13 21:22:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2019-10-13 21:22:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 751 transitions. [2019-10-13 21:22:48,351 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 751 transitions. Word has length 106 [2019-10-13 21:22:48,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:48,352 INFO L462 AbstractCegarLoop]: Abstraction has 650 states and 751 transitions. [2019-10-13 21:22:48,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 751 transitions. [2019-10-13 21:22:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 21:22:48,355 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:48,355 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, 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] [2019-10-13 21:22:48,356 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:48,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:48,356 INFO L82 PathProgramCache]: Analyzing trace with hash 193650261, now seen corresponding path program 1 times [2019-10-13 21:22:48,356 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:48,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997071427] [2019-10-13 21:22:48,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:48,491 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997071427] [2019-10-13 21:22:48,491 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110593168] [2019-10-13 21:22:48,492 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 21:22:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:48,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:48,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:48,936 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:49,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [986797928] [2019-10-13 21:22:49,288 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 150 [2019-10-13 21:22:49,333 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:49,334 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:49,408 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:49,409 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 70 root evaluator evaluations with a maximum evaluation depth of 0. Performed 70 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:49,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:49,414 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:49,468 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:49,469 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:49,473 INFO L553 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2019-10-13 21:22:49,473 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:49,474 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:49,474 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:49,475 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507933217] [2019-10-13 21:22:49,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:49,476 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:49,476 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:49,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:49,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:49,477 INFO L87 Difference]: Start difference. First operand 650 states and 751 transitions. Second operand 2 states. [2019-10-13 21:22:49,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:49,493 INFO L93 Difference]: Finished difference Result 650 states and 751 transitions. [2019-10-13 21:22:49,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:49,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 149 [2019-10-13 21:22:49,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:49,493 INFO L225 Difference]: With dead ends: 650 [2019-10-13 21:22:49,494 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:49,496 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 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 21:22:49,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:49,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:49,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:49,497 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2019-10-13 21:22:49,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:49,497 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:49,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:49,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:49,706 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:49,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:49,931 INFO L443 ceAbstractionStarter]: For program point L634(lines 611 635) no Hoare annotation was computed. [2019-10-13 21:22:49,932 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2019-10-13 21:22:49,932 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-10-13 21:22:49,932 INFO L443 ceAbstractionStarter]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2019-10-13 21:22:49,932 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2019-10-13 21:22:49,932 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-13 21:22:49,932 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2019-10-13 21:22:49,932 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2019-10-13 21:22:49,932 INFO L443 ceAbstractionStarter]: For program point L670(line 670) no Hoare annotation was computed. [2019-10-13 21:22:49,933 INFO L443 ceAbstractionStarter]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2019-10-13 21:22:49,933 INFO L443 ceAbstractionStarter]: For program point L695(lines 668 696) no Hoare annotation was computed. [2019-10-13 21:22:49,933 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2019-10-13 21:22:49,933 INFO L443 ceAbstractionStarter]: For program point L688(line 688) no Hoare annotation was computed. [2019-10-13 21:22:49,933 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-13 21:22:49,933 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2019-10-13 21:22:49,933 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2019-10-13 21:22:49,933 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 679) no Hoare annotation was computed. [2019-10-13 21:22:49,933 INFO L443 ceAbstractionStarter]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2019-10-13 21:22:49,934 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 919 925) the Hoare annotation is: true [2019-10-13 21:22:49,934 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 919 925) no Hoare annotation was computed. [2019-10-13 21:22:49,934 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 926 934) no Hoare annotation was computed. [2019-10-13 21:22:49,934 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 926 934) the Hoare annotation is: true [2019-10-13 21:22:49,934 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 926 934) no Hoare annotation was computed. [2019-10-13 21:22:49,934 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 21:22:49,934 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:22:49,935 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:22:49,935 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-13 21:22:49,935 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:22:49,935 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 21:22:49,935 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:22:49,935 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-13 21:22:49,935 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-13 21:22:49,935 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:22:49,936 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:22:49,936 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-13 21:22:49,936 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:22:49,936 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-13 21:22:49,936 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-13 21:22:49,936 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:22:49,936 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-13 21:22:49,936 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-13 21:22:49,937 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 271 293) the Hoare annotation is: true [2019-10-13 21:22:49,937 INFO L446 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2019-10-13 21:22:49,937 INFO L446 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: true [2019-10-13 21:22:49,937 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2019-10-13 21:22:49,937 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2019-10-13 21:22:49,937 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2019-10-13 21:22:49,937 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-13 21:22:49,937 INFO L446 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: true [2019-10-13 21:22:49,938 INFO L446 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: true [2019-10-13 21:22:49,938 INFO L446 ceAbstractionStarter]: At program point L277-1(line 277) the Hoare annotation is: true [2019-10-13 21:22:49,938 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2019-10-13 21:22:49,938 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2019-10-13 21:22:49,938 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2019-10-13 21:22:49,938 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2019-10-13 21:22:49,938 INFO L443 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2019-10-13 21:22:49,938 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-10-13 21:22:49,939 INFO L443 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2019-10-13 21:22:49,939 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-10-13 21:22:49,939 INFO L443 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2019-10-13 21:22:49,939 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-10-13 21:22:49,939 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-10-13 21:22:49,939 INFO L443 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2019-10-13 21:22:49,939 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-10-13 21:22:49,939 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-13 21:22:49,939 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-13 21:22:49,940 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-13 21:22:49,940 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-13 21:22:49,940 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-10-13 21:22:49,940 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 405 413) no Hoare annotation was computed. [2019-10-13 21:22:49,940 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 405 413) the Hoare annotation is: true [2019-10-13 21:22:49,940 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 405 413) no Hoare annotation was computed. [2019-10-13 21:22:49,940 INFO L443 ceAbstractionStarter]: For program point L444(line 444) no Hoare annotation was computed. [2019-10-13 21:22:49,940 INFO L443 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2019-10-13 21:22:49,940 INFO L443 ceAbstractionStarter]: For program point L433(lines 433 441) no Hoare annotation was computed. [2019-10-13 21:22:49,941 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 441) no Hoare annotation was computed. [2019-10-13 21:22:49,941 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 414 449) no Hoare annotation was computed. [2019-10-13 21:22:49,941 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 414 449) no Hoare annotation was computed. [2019-10-13 21:22:49,941 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2019-10-13 21:22:49,941 INFO L443 ceAbstractionStarter]: For program point L421-2(lines 421 429) no Hoare annotation was computed. [2019-10-13 21:22:49,941 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 414 449) no Hoare annotation was computed. [2019-10-13 21:22:49,941 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 912 918) no Hoare annotation was computed. [2019-10-13 21:22:49,941 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 912 918) the Hoare annotation is: true [2019-10-13 21:22:49,941 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2019-10-13 21:22:49,942 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2019-10-13 21:22:49,942 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2019-10-13 21:22:49,942 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2019-10-13 21:22:49,942 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2019-10-13 21:22:49,942 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 881) no Hoare annotation was computed. [2019-10-13 21:22:49,942 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2019-10-13 21:22:49,942 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 888) no Hoare annotation was computed. [2019-10-13 21:22:49,942 INFO L443 ceAbstractionStarter]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2019-10-13 21:22:49,943 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: true [2019-10-13 21:22:49,943 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2019-10-13 21:22:49,943 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2019-10-13 21:22:49,943 INFO L446 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: true [2019-10-13 21:22:49,943 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 394 404) the Hoare annotation is: true [2019-10-13 21:22:49,943 INFO L446 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2019-10-13 21:22:49,943 INFO L443 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2019-10-13 21:22:49,943 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 394 404) no Hoare annotation was computed. [2019-10-13 21:22:49,943 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 394 404) no Hoare annotation was computed. [2019-10-13 21:22:49,944 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 386 393) no Hoare annotation was computed. [2019-10-13 21:22:49,944 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 386 393) no Hoare annotation was computed. [2019-10-13 21:22:49,944 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 386 393) no Hoare annotation was computed. [2019-10-13 21:22:49,944 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 177 190) no Hoare annotation was computed. [2019-10-13 21:22:49,944 INFO L443 ceAbstractionStarter]: For program point L181(lines 181 187) no Hoare annotation was computed. [2019-10-13 21:22:49,944 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 177 190) the Hoare annotation is: true [2019-10-13 21:22:49,944 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 177 190) no Hoare annotation was computed. [2019-10-13 21:22:49,944 INFO L443 ceAbstractionStarter]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2019-10-13 21:22:49,945 INFO L446 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: true [2019-10-13 21:22:49,945 INFO L446 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: true [2019-10-13 21:22:49,945 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 351) no Hoare annotation was computed. [2019-10-13 21:22:49,945 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 335 359) no Hoare annotation was computed. [2019-10-13 21:22:49,945 INFO L446 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: true [2019-10-13 21:22:49,945 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-10-13 21:22:49,945 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 335 359) the Hoare annotation is: true [2019-10-13 21:22:49,945 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 356) no Hoare annotation was computed. [2019-10-13 21:22:49,945 INFO L446 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: true [2019-10-13 21:22:49,946 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 327 333) no Hoare annotation was computed. [2019-10-13 21:22:49,946 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 327 333) the Hoare annotation is: true [2019-10-13 21:22:49,946 INFO L443 ceAbstractionStarter]: For program point L481(lines 480 525) no Hoare annotation was computed. [2019-10-13 21:22:49,946 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 470 533) the Hoare annotation is: true [2019-10-13 21:22:49,946 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 521) no Hoare annotation was computed. [2019-10-13 21:22:49,946 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 470 533) no Hoare annotation was computed. [2019-10-13 21:22:49,946 INFO L446 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2019-10-13 21:22:49,946 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 506) no Hoare annotation was computed. [2019-10-13 21:22:49,947 INFO L443 ceAbstractionStarter]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2019-10-13 21:22:49,947 INFO L446 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: true [2019-10-13 21:22:49,947 INFO L446 ceAbstractionStarter]: At program point L523(lines 480 525) the Hoare annotation is: true [2019-10-13 21:22:49,947 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-10-13 21:22:49,947 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2019-10-13 21:22:49,947 INFO L443 ceAbstractionStarter]: For program point L482(lines 482 486) no Hoare annotation was computed. [2019-10-13 21:22:49,947 INFO L446 ceAbstractionStarter]: At program point L526(lines 479 527) the Hoare annotation is: true [2019-10-13 21:22:49,947 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 520) no Hoare annotation was computed. [2019-10-13 21:22:49,947 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 470 533) no Hoare annotation was computed. [2019-10-13 21:22:49,948 INFO L446 ceAbstractionStarter]: At program point L516-2(lines 510 521) the Hoare annotation is: true [2019-10-13 21:22:49,948 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 835) no Hoare annotation was computed. [2019-10-13 21:22:49,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2019-10-13 21:22:49,948 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 842) no Hoare annotation was computed. [2019-10-13 21:22:49,948 INFO L443 ceAbstractionStarter]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2019-10-13 21:22:49,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2019-10-13 21:22:49,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2019-10-13 21:22:49,948 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 360 367) the Hoare annotation is: true [2019-10-13 21:22:49,948 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 360 367) no Hoare annotation was computed. [2019-10-13 21:22:49,949 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 360 367) no Hoare annotation was computed. [2019-10-13 21:22:49,949 INFO L443 ceAbstractionStarter]: For program point L153(lines 153 161) no Hoare annotation was computed. [2019-10-13 21:22:49,949 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 145 167) no Hoare annotation was computed. [2019-10-13 21:22:49,949 INFO L443 ceAbstractionStarter]: For program point L153-2(lines 153 161) no Hoare annotation was computed. [2019-10-13 21:22:49,949 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 145 167) no Hoare annotation was computed. [2019-10-13 21:22:49,949 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 145 167) no Hoare annotation was computed. [2019-10-13 21:22:49,949 INFO L443 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2019-10-13 21:22:49,949 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2019-10-13 21:22:49,949 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-10-13 21:22:49,950 INFO L443 ceAbstractionStarter]: For program point L793(lines 793 804) no Hoare annotation was computed. [2019-10-13 21:22:49,950 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2019-10-13 21:22:49,950 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2019-10-13 21:22:49,950 INFO L443 ceAbstractionStarter]: For program point L775(lines 753 776) no Hoare annotation was computed. [2019-10-13 21:22:49,950 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2019-10-13 21:22:49,950 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 750) no Hoare annotation was computed. [2019-10-13 21:22:49,950 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 801) no Hoare annotation was computed. [2019-10-13 21:22:49,950 INFO L443 ceAbstractionStarter]: For program point L755(lines 754 774) no Hoare annotation was computed. [2019-10-13 21:22:49,951 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-13 21:22:49,951 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2019-10-13 21:22:49,951 INFO L443 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-10-13 21:22:49,951 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 792) no Hoare annotation was computed. [2019-10-13 21:22:49,951 INFO L443 ceAbstractionStarter]: For program point L770(line 770) no Hoare annotation was computed. [2019-10-13 21:22:49,951 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 902 911) no Hoare annotation was computed. [2019-10-13 21:22:49,951 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 902 911) no Hoare annotation was computed. [2019-10-13 21:22:49,951 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 902 911) no Hoare annotation was computed. [2019-10-13 21:22:49,952 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:49,952 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:22:49,952 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:49,952 INFO L446 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: true [2019-10-13 21:22:49,952 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 369 385) no Hoare annotation was computed. [2019-10-13 21:22:49,952 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 369 385) no Hoare annotation was computed. [2019-10-13 21:22:49,952 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 369 385) the Hoare annotation is: true [2019-10-13 21:22:49,953 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 382) no Hoare annotation was computed. [2019-10-13 21:22:49,953 INFO L446 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: true [2019-10-13 21:22:49,953 INFO L443 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2019-10-13 21:22:49,953 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 168 176) the Hoare annotation is: true [2019-10-13 21:22:49,953 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 168 176) no Hoare annotation was computed. [2019-10-13 21:22:49,953 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 168 176) no Hoare annotation was computed. [2019-10-13 21:22:49,953 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 450 468) no Hoare annotation was computed. [2019-10-13 21:22:49,954 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-10-13 21:22:49,954 INFO L446 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: true [2019-10-13 21:22:49,954 INFO L443 ceAbstractionStarter]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2019-10-13 21:22:49,954 INFO L443 ceAbstractionStarter]: For program point L457-1(line 457) no Hoare annotation was computed. [2019-10-13 21:22:49,954 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 450 468) the Hoare annotation is: true [2019-10-13 21:22:49,954 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 450 468) no Hoare annotation was computed. [2019-10-13 21:22:49,954 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2019-10-13 21:22:49,954 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: true [2019-10-13 21:22:49,955 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2019-10-13 21:22:49,955 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:49,955 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:49,955 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:49,955 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true [2019-10-13 21:22:49,955 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2019-10-13 21:22:49,955 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2019-10-13 21:22:49,955 INFO L446 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2019-10-13 21:22:49,956 INFO L446 ceAbstractionStarter]: At program point L314(lines 314 320) the Hoare annotation is: true [2019-10-13 21:22:49,956 INFO L446 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2019-10-13 21:22:49,956 INFO L443 ceAbstractionStarter]: For program point L307(lines 303 325) no Hoare annotation was computed. [2019-10-13 21:22:49,956 INFO L443 ceAbstractionStarter]: For program point L305(lines 303 325) no Hoare annotation was computed. [2019-10-13 21:22:49,956 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 300 326) the Hoare annotation is: true [2019-10-13 21:22:49,956 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 300 326) no Hoare annotation was computed. [2019-10-13 21:22:49,956 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 300 326) no Hoare annotation was computed. [2019-10-13 21:22:49,957 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2019-10-13 21:22:49,957 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2019-10-13 21:22:49,957 INFO L446 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2019-10-13 21:22:49,957 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-13 21:22:49,957 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-10-13 21:22:49,957 INFO L446 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2019-10-13 21:22:49,957 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-13 21:22:49,957 INFO L446 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2019-10-13 21:22:49,958 INFO L446 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2019-10-13 21:22:49,958 INFO L443 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2019-10-13 21:22:49,958 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 100 111) the Hoare annotation is: true [2019-10-13 21:22:49,958 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 100 111) no Hoare annotation was computed. [2019-10-13 21:22:49,958 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2019-10-13 21:22:49,958 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2019-10-13 21:22:49,958 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2019-10-13 21:22:49,958 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:49,959 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:49,959 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:49,959 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:49,959 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2019-10-13 21:22:49,959 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: true [2019-10-13 21:22:49,959 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2019-10-13 21:22:49,959 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2019-10-13 21:22:49,959 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2019-10-13 21:22:49,959 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2019-10-13 21:22:49,960 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-13 21:22:49,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:49 BoogieIcfgContainer [2019-10-13 21:22:49,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:49,976 INFO L168 Benchmark]: Toolchain (without parser) took 8817.48 ms. Allocated memory was 137.9 MB in the beginning and 333.4 MB in the end (delta: 195.6 MB). Free memory was 101.4 MB in the beginning and 269.6 MB in the end (delta: -168.2 MB). Peak memory consumption was 212.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:49,978 INFO L168 Benchmark]: CDTParser took 1.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:49,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.95 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 169.6 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:49,987 INFO L168 Benchmark]: Boogie Preprocessor took 107.23 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 165.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:49,989 INFO L168 Benchmark]: RCFGBuilder took 1237.63 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 198.2 MB in the end (delta: -32.6 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:49,989 INFO L168 Benchmark]: TraceAbstraction took 6718.48 ms. Allocated memory was 234.4 MB in the beginning and 333.4 MB in the end (delta: 99.1 MB). Free memory was 198.2 MB in the beginning and 269.6 MB in the end (delta: -71.5 MB). Peak memory consumption was 212.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:49,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 745.95 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 169.6 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.23 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 165.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.63 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 198.2 MB in the end (delta: -32.6 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6718.48 ms. Allocated memory was 234.4 MB in the beginning and 333.4 MB in the end (delta: 99.1 MB). Free memory was 198.2 MB in the beginning and 269.6 MB in the end (delta: -71.5 MB). Peak memory consumption was 212.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: 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: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Result: SAFE, OverallTime: 6.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1390 SDtfs, 1024 SDslu, 2721 SDs, 0 SdLazy, 1575 SolverSat, 386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=650occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 120 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 718 PreInvPairs, 719 NumberOfFragments, 68 HoareAnnotationTreeSize, 718 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1051 NumberOfCodeBlocks, 1051 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1188 ConstructedInterpolants, 0 QuantifiedInterpolants, 221024 SizeOfPredicates, 4 NumberOfNonLiveVariables, 900 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 118/141 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 127, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8581081081081081, 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...