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_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:49,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:49,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:49,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:49,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:49,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:49,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:49,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:49,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:49,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:49,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:49,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:49,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:49,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:49,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:49,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:49,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:49,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:49,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:49,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:49,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:49,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:49,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:49,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:49,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:49,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:49,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:49,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:49,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:49,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:49,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:49,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:49,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:49,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:49,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:49,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:49,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:49,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:49,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:49,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:49,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:49,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:49,944 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:49,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:49,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:49,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:49,946 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:49,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:49,946 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:49,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:49,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:49,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:49,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:49,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:49,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:49,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:49,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:49,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:49,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:49,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:49,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:49,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:49,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:49,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:49,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:49,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:49,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:49,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:49,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:49,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:49,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:50,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:50,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:50,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:50,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:50,233 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:50,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-10-13 21:21:50,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f967784e2/13cbdd35ae57417b81f6fc57c2030a1f/FLAGc91490a5f [2019-10-13 21:21:50,860 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:50,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-10-13 21:21:50,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f967784e2/13cbdd35ae57417b81f6fc57c2030a1f/FLAGc91490a5f [2019-10-13 21:21:51,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f967784e2/13cbdd35ae57417b81f6fc57c2030a1f [2019-10-13 21:21:51,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:51,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:51,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:51,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:51,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:51,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6748c9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51, skipping insertion in model container [2019-10-13 21:21:51,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,208 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:51,275 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:51,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:51,698 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:51,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:51,823 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:51,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51 WrapperNode [2019-10-13 21:21:51,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:51,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:51,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:51,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:51,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... [2019-10-13 21:21:51,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:51,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:51,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:51,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:51,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:51,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:51,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:51,992 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:21:51,992 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:51,992 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:21:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:53,046 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:53,047 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:53,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:53 BoogieIcfgContainer [2019-10-13 21:21:53,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:53,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:53,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:53,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:53,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:51" (1/3) ... [2019-10-13 21:21:53,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db24c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:53, skipping insertion in model container [2019-10-13 21:21:53,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:51" (2/3) ... [2019-10-13 21:21:53,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db24c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:53, skipping insertion in model container [2019-10-13 21:21:53,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:53" (3/3) ... [2019-10-13 21:21:53,059 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2019-10-13 21:21:53,069 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:53,078 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:53,090 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:53,123 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:53,123 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:53,124 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:53,124 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:53,124 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:53,124 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:53,124 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:53,125 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-13 21:21:53,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:53,157 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,158 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:53,160 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1999815947, now seen corresponding path program 1 times [2019-10-13 21:21:53,175 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,175 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387797435] [2019-10-13 21:21:53,176 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,176 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:53,506 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387797435] [2019-10-13 21:21:53,507 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:53,508 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:53,508 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890884631] [2019-10-13 21:21:53,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:53,515 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:53,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:53,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:53,532 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2019-10-13 21:21:53,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:53,574 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2019-10-13 21:21:53,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:53,576 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:53,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:53,589 INFO L225 Difference]: With dead ends: 228 [2019-10-13 21:21:53,589 INFO L226 Difference]: Without dead ends: 114 [2019-10-13 21:21:53,594 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-13 21:21:53,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-13 21:21:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-13 21:21:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-10-13 21:21:53,656 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2019-10-13 21:21:53,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:53,657 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-10-13 21:21:53,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-10-13 21:21:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:53,660 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,661 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:53,661 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,661 INFO L82 PathProgramCache]: Analyzing trace with hash 2091613530, now seen corresponding path program 1 times [2019-10-13 21:21:53,662 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,662 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424459902] [2019-10-13 21:21:53,662 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,662 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:53,798 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424459902] [2019-10-13 21:21:53,798 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:53,799 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:53,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914411612] [2019-10-13 21:21:53,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:53,802 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:53,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:53,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:53,802 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2019-10-13 21:21:53,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:53,842 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2019-10-13 21:21:53,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:53,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:53,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:53,849 INFO L225 Difference]: With dead ends: 167 [2019-10-13 21:21:53,849 INFO L226 Difference]: Without dead ends: 105 [2019-10-13 21:21:53,851 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:53,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-13 21:21:53,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-10-13 21:21:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-13 21:21:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2019-10-13 21:21:53,882 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2019-10-13 21:21:53,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:53,882 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2019-10-13 21:21:53,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2019-10-13 21:21:53,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:53,885 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,885 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:53,885 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,886 INFO L82 PathProgramCache]: Analyzing trace with hash 969654456, now seen corresponding path program 1 times [2019-10-13 21:21:53,886 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578027103] [2019-10-13 21:21:53,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:54,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578027103] [2019-10-13 21:21:54,100 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:54,103 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:54,104 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246059146] [2019-10-13 21:21:54,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:54,105 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:54,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:54,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:54,109 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2019-10-13 21:21:54,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:54,588 INFO L93 Difference]: Finished difference Result 317 states and 383 transitions. [2019-10-13 21:21:54,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:54,589 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:21:54,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:54,593 INFO L225 Difference]: With dead ends: 317 [2019-10-13 21:21:54,593 INFO L226 Difference]: Without dead ends: 236 [2019-10-13 21:21:54,594 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:54,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-10-13 21:21:54,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2019-10-13 21:21:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-13 21:21:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2019-10-13 21:21:54,626 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2019-10-13 21:21:54,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:54,626 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2019-10-13 21:21:54,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2019-10-13 21:21:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:21:54,629 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:54,629 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:54,630 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:54,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:54,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1151197578, now seen corresponding path program 1 times [2019-10-13 21:21:54,631 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:54,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854830757] [2019-10-13 21:21:54,631 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,631 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:54,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854830757] [2019-10-13 21:21:54,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:54,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:54,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583040680] [2019-10-13 21:21:54,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:54,843 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:54,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:54,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:54,844 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 10 states. [2019-10-13 21:21:55,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:55,419 INFO L93 Difference]: Finished difference Result 776 states and 999 transitions. [2019-10-13 21:21:55,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:55,422 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-13 21:21:55,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:55,429 INFO L225 Difference]: With dead ends: 776 [2019-10-13 21:21:55,429 INFO L226 Difference]: Without dead ends: 576 [2019-10-13 21:21:55,432 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:55,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-13 21:21:55,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 564. [2019-10-13 21:21:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-10-13 21:21:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 700 transitions. [2019-10-13 21:21:55,508 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 700 transitions. Word has length 57 [2019-10-13 21:21:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:55,509 INFO L462 AbstractCegarLoop]: Abstraction has 564 states and 700 transitions. [2019-10-13 21:21:55,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 700 transitions. [2019-10-13 21:21:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:21:55,513 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:55,514 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:55,514 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:55,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:55,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1679599728, now seen corresponding path program 1 times [2019-10-13 21:21:55,514 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:55,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657230864] [2019-10-13 21:21:55,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:55,580 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657230864] [2019-10-13 21:21:55,580 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:55,580 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:21:55,581 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154560092] [2019-10-13 21:21:55,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:21:55,581 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:55,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:21:55,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:55,582 INFO L87 Difference]: Start difference. First operand 564 states and 700 transitions. Second operand 4 states. [2019-10-13 21:21:55,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:55,787 INFO L93 Difference]: Finished difference Result 948 states and 1210 transitions. [2019-10-13 21:21:55,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:55,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-13 21:21:55,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:55,792 INFO L225 Difference]: With dead ends: 948 [2019-10-13 21:21:55,793 INFO L226 Difference]: Without dead ends: 408 [2019-10-13 21:21:55,796 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:55,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-10-13 21:21:55,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-10-13 21:21:55,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-13 21:21:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2019-10-13 21:21:55,833 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2019-10-13 21:21:55,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:55,833 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2019-10-13 21:21:55,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:21:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2019-10-13 21:21:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:21:55,838 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:55,839 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:55,839 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:55,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:55,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1114958929, now seen corresponding path program 1 times [2019-10-13 21:21:55,840 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:55,840 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138590226] [2019-10-13 21:21:55,840 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,840 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:55,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:21:56,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138590226] [2019-10-13 21:21:56,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009926175] [2019-10-13 21:21:56,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:56,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:56,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:56,363 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:56,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:56,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [281652561] [2019-10-13 21:21:56,615 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-10-13 21:21:56,661 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:56,662 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:56,755 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:56,758 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:21:56,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:56,763 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:56,806 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:56,806 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:56,809 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-10-13 21:21:56,810 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:56,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:56,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:21:56,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376198594] [2019-10-13 21:21:56,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:56,812 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:56,812 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:56,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:56,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:56,813 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 2 states. [2019-10-13 21:21:56,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:56,818 INFO L93 Difference]: Finished difference Result 396 states and 458 transitions. [2019-10-13 21:21:56,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:56,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-10-13 21:21:56,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:56,819 INFO L225 Difference]: With dead ends: 396 [2019-10-13 21:21:56,819 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:56,820 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:56,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:56,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:56,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:56,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:56,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 21:21:56,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:56,822 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:56,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:56,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:57,027 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:57,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:57,229 INFO L443 ceAbstractionStarter]: For program point L351(line 351) no Hoare annotation was computed. [2019-10-13 21:21:57,229 INFO L443 ceAbstractionStarter]: For program point L350-2(lines 350 371) no Hoare annotation was computed. [2019-10-13 21:21:57,229 INFO L443 ceAbstractionStarter]: For program point L372(lines 349 373) no Hoare annotation was computed. [2019-10-13 21:21:57,229 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 325 380) no Hoare annotation was computed. [2019-10-13 21:21:57,230 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 325 380) no Hoare annotation was computed. [2019-10-13 21:21:57,230 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 360) no Hoare annotation was computed. [2019-10-13 21:21:57,230 INFO L443 ceAbstractionStarter]: For program point L356-1(lines 356 360) no Hoare annotation was computed. [2019-10-13 21:21:57,230 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 325 380) no Hoare annotation was computed. [2019-10-13 21:21:57,230 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 417) no Hoare annotation was computed. [2019-10-13 21:21:57,230 INFO L443 ceAbstractionStarter]: For program point L413-1(lines 413 417) no Hoare annotation was computed. [2019-10-13 21:21:57,230 INFO L443 ceAbstractionStarter]: For program point L408(line 408) no Hoare annotation was computed. [2019-10-13 21:21:57,230 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 381 440) no Hoare annotation was computed. [2019-10-13 21:21:57,231 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 432) no Hoare annotation was computed. [2019-10-13 21:21:57,231 INFO L443 ceAbstractionStarter]: For program point L433(lines 406 434) no Hoare annotation was computed. [2019-10-13 21:21:57,232 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 381 440) no Hoare annotation was computed. [2019-10-13 21:21:57,232 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-10-13 21:21:57,232 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 381 440) no Hoare annotation was computed. [2019-10-13 21:21:57,232 INFO L443 ceAbstractionStarter]: For program point L426-1(line 426) no Hoare annotation was computed. [2019-10-13 21:21:57,232 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 21:21:57,232 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 21:21:57,233 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:21:57,233 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 21:21:57,233 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:21:57,233 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 649 673) the Hoare annotation is: true [2019-10-13 21:21:57,233 INFO L446 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: true [2019-10-13 21:21:57,239 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 667) no Hoare annotation was computed. [2019-10-13 21:21:57,239 INFO L446 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: true [2019-10-13 21:21:57,239 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 649 673) no Hoare annotation was computed. [2019-10-13 21:21:57,240 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-13 21:21:57,240 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 670) no Hoare annotation was computed. [2019-10-13 21:21:57,240 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 649 673) no Hoare annotation was computed. [2019-10-13 21:21:57,240 INFO L446 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: true [2019-10-13 21:21:57,240 INFO L443 ceAbstractionStarter]: For program point L655-1(line 655) no Hoare annotation was computed. [2019-10-13 21:21:57,240 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-13 21:21:57,240 INFO L446 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: true [2019-10-13 21:21:57,240 INFO L446 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2019-10-13 21:21:57,241 INFO L446 ceAbstractionStarter]: At program point L255-1(line 255) the Hoare annotation is: true [2019-10-13 21:21:57,241 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 249 271) the Hoare annotation is: true [2019-10-13 21:21:57,241 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 249 271) no Hoare annotation was computed. [2019-10-13 21:21:57,241 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 249 271) no Hoare annotation was computed. [2019-10-13 21:21:57,241 INFO L446 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2019-10-13 21:21:57,241 INFO L446 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: true [2019-10-13 21:21:57,241 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 266) no Hoare annotation was computed. [2019-10-13 21:21:57,241 INFO L443 ceAbstractionStarter]: For program point L259-1(lines 259 266) no Hoare annotation was computed. [2019-10-13 21:21:57,242 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-13 21:21:57,242 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-13 21:21:57,242 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 207 230) no Hoare annotation was computed. [2019-10-13 21:21:57,242 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-13 21:21:57,242 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-13 21:21:57,243 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-13 21:21:57,243 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 207 230) no Hoare annotation was computed. [2019-10-13 21:21:57,243 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-10-13 21:21:57,243 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 207 230) no Hoare annotation was computed. [2019-10-13 21:21:57,243 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-13 21:21:57,243 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-10-13 21:21:57,244 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-13 21:21:57,244 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-10-13 21:21:57,244 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-13 21:21:57,244 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-10-13 21:21:57,244 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-13 21:21:57,244 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-10-13 21:21:57,244 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2019-10-13 21:21:57,244 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: true [2019-10-13 21:21:57,245 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2019-10-13 21:21:57,245 INFO L446 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: true [2019-10-13 21:21:57,245 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-10-13 21:21:57,245 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2019-10-13 21:21:57,245 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2019-10-13 21:21:57,245 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2019-10-13 21:21:57,245 INFO L443 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2019-10-13 21:21:57,245 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2019-10-13 21:21:57,246 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2019-10-13 21:21:57,246 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-10-13 21:21:57,246 INFO L446 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2019-10-13 21:21:57,246 INFO L443 ceAbstractionStarter]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2019-10-13 21:21:57,246 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2019-10-13 21:21:57,246 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 802) no Hoare annotation was computed. [2019-10-13 21:21:57,246 INFO L443 ceAbstractionStarter]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2019-10-13 21:21:57,247 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 775 810) no Hoare annotation was computed. [2019-10-13 21:21:57,247 INFO L443 ceAbstractionStarter]: For program point L782(lines 782 790) no Hoare annotation was computed. [2019-10-13 21:21:57,247 INFO L443 ceAbstractionStarter]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2019-10-13 21:21:57,247 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2019-10-13 21:21:57,247 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-13 21:21:57,248 INFO L443 ceAbstractionStarter]: For program point L805-1(line 805) no Hoare annotation was computed. [2019-10-13 21:21:57,248 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2019-10-13 21:21:57,248 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 21:21:57,248 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 21:21:57,248 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 279 324) no Hoare annotation was computed. [2019-10-13 21:21:57,248 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 279 324) no Hoare annotation was computed. [2019-10-13 21:21:57,248 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 279 324) no Hoare annotation was computed. [2019-10-13 21:21:57,248 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 626) no Hoare annotation was computed. [2019-10-13 21:21:57,249 INFO L443 ceAbstractionStarter]: For program point L606-1(lines 606 626) no Hoare annotation was computed. [2019-10-13 21:21:57,249 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 592 637) no Hoare annotation was computed. [2019-10-13 21:21:57,249 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 592 637) no Hoare annotation was computed. [2019-10-13 21:21:57,249 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 592 637) no Hoare annotation was computed. [2019-10-13 21:21:57,249 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 619) no Hoare annotation was computed. [2019-10-13 21:21:57,249 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 239 248) the Hoare annotation is: true [2019-10-13 21:21:57,249 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 239 248) no Hoare annotation was computed. [2019-10-13 21:21:57,249 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 239 248) no Hoare annotation was computed. [2019-10-13 21:21:57,250 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2019-10-13 21:21:57,250 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2019-10-13 21:21:57,250 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-13 21:21:57,250 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-10-13 21:21:57,250 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 755 765) no Hoare annotation was computed. [2019-10-13 21:21:57,250 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2019-10-13 21:21:57,250 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2019-10-13 21:21:57,250 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2019-10-13 21:21:57,251 INFO L446 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: true [2019-10-13 21:21:57,251 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2019-10-13 21:21:57,251 INFO L446 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: true [2019-10-13 21:21:57,251 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2019-10-13 21:21:57,251 INFO L446 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: true [2019-10-13 21:21:57,251 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: true [2019-10-13 21:21:57,251 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-10-13 21:21:57,251 INFO L446 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: true [2019-10-13 21:21:57,252 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-13 21:21:57,252 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-10-13 21:21:57,252 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2019-10-13 21:21:57,252 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2019-10-13 21:21:57,252 INFO L443 ceAbstractionStarter]: For program point L865(lines 864 913) no Hoare annotation was computed. [2019-10-13 21:21:57,252 INFO L446 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: true [2019-10-13 21:21:57,252 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 854 921) the Hoare annotation is: true [2019-10-13 21:21:57,253 INFO L443 ceAbstractionStarter]: For program point L894(lines 894 909) no Hoare annotation was computed. [2019-10-13 21:21:57,253 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 854 921) no Hoare annotation was computed. [2019-10-13 21:21:57,253 INFO L446 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: true [2019-10-13 21:21:57,253 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-10-13 21:21:57,253 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2019-10-13 21:21:57,253 INFO L446 ceAbstractionStarter]: At program point L911(lines 864 913) the Hoare annotation is: true [2019-10-13 21:21:57,253 INFO L446 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: true [2019-10-13 21:21:57,253 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-10-13 21:21:57,254 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2019-10-13 21:21:57,254 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-10-13 21:21:57,254 INFO L446 ceAbstractionStarter]: At program point L914(lines 863 915) the Hoare annotation is: true [2019-10-13 21:21:57,254 INFO L446 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2019-10-13 21:21:57,254 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-13 21:21:57,254 INFO L446 ceAbstractionStarter]: At program point L902-1(lines 894 909) the Hoare annotation is: true [2019-10-13 21:21:57,254 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 854 921) no Hoare annotation was computed. [2019-10-13 21:21:57,255 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 546 591) no Hoare annotation was computed. [2019-10-13 21:21:57,255 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 573) no Hoare annotation was computed. [2019-10-13 21:21:57,255 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 546 591) no Hoare annotation was computed. [2019-10-13 21:21:57,255 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 546 591) no Hoare annotation was computed. [2019-10-13 21:21:57,256 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 580) no Hoare annotation was computed. [2019-10-13 21:21:57,256 INFO L443 ceAbstractionStarter]: For program point L560-1(lines 560 580) no Hoare annotation was computed. [2019-10-13 21:21:57,256 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2019-10-13 21:21:57,256 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2019-10-13 21:21:57,256 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-13 21:21:57,256 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 148) no Hoare annotation was computed. [2019-10-13 21:21:57,257 INFO L443 ceAbstractionStarter]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2019-10-13 21:21:57,257 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2019-10-13 21:21:57,257 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2019-10-13 21:21:57,257 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2019-10-13 21:21:57,257 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:57,260 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:57,261 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:57,261 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 443 545) no Hoare annotation was computed. [2019-10-13 21:21:57,261 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-13 21:21:57,261 INFO L443 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2019-10-13 21:21:57,261 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 471) no Hoare annotation was computed. [2019-10-13 21:21:57,261 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 542) no Hoare annotation was computed. [2019-10-13 21:21:57,261 INFO L443 ceAbstractionStarter]: For program point L494(lines 494 498) no Hoare annotation was computed. [2019-10-13 21:21:57,261 INFO L443 ceAbstractionStarter]: For program point L492-2(lines 492 512) no Hoare annotation was computed. [2019-10-13 21:21:57,261 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 443 545) no Hoare annotation was computed. [2019-10-13 21:21:57,262 INFO L443 ceAbstractionStarter]: For program point L513(lines 491 514) no Hoare annotation was computed. [2019-10-13 21:21:57,262 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 488) no Hoare annotation was computed. [2019-10-13 21:21:57,262 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 539) no Hoare annotation was computed. [2019-10-13 21:21:57,262 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 443 545) no Hoare annotation was computed. [2019-10-13 21:21:57,262 INFO L443 ceAbstractionStarter]: For program point L493(lines 492 512) no Hoare annotation was computed. [2019-10-13 21:21:57,262 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 21:21:57,262 INFO L443 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2019-10-13 21:21:57,262 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 530) no Hoare annotation was computed. [2019-10-13 21:21:57,263 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,263 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:21:57,263 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,263 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2019-10-13 21:21:57,264 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2019-10-13 21:21:57,264 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2019-10-13 21:21:57,264 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 155 163) the Hoare annotation is: true [2019-10-13 21:21:57,264 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2019-10-13 21:21:57,265 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2019-10-13 21:21:57,265 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: true [2019-10-13 21:21:57,265 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2019-10-13 21:21:57,265 INFO L443 ceAbstractionStarter]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2019-10-13 21:21:57,265 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,265 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,265 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,265 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 123 131) no Hoare annotation was computed. [2019-10-13 21:21:57,266 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2019-10-13 21:21:57,266 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2019-10-13 21:21:57,266 INFO L446 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2019-10-13 21:21:57,266 INFO L446 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: true [2019-10-13 21:21:57,266 INFO L446 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: true [2019-10-13 21:21:57,266 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: true [2019-10-13 21:21:57,266 INFO L443 ceAbstractionStarter]: For program point L686(lines 685 704) no Hoare annotation was computed. [2019-10-13 21:21:57,266 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2019-10-13 21:21:57,267 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2019-10-13 21:21:57,267 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2019-10-13 21:21:57,267 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-10-13 21:21:57,267 INFO L446 ceAbstractionStarter]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2019-10-13 21:21:57,267 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 176 205) the Hoare annotation is: true [2019-10-13 21:21:57,267 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 21:21:57,267 INFO L446 ceAbstractionStarter]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2019-10-13 21:21:57,268 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-10-13 21:21:57,268 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-10-13 21:21:57,268 INFO L446 ceAbstractionStarter]: At program point L201(lines 176 205) the Hoare annotation is: true [2019-10-13 21:21:57,268 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-10-13 21:21:57,269 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2019-10-13 21:21:57,269 INFO L443 ceAbstractionStarter]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2019-10-13 21:21:57,269 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2019-10-13 21:21:57,269 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 231 237) no Hoare annotation was computed. [2019-10-13 21:21:57,269 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 231 237) the Hoare annotation is: true [2019-10-13 21:21:57,270 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,270 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:57,270 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:57,270 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:57,270 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2019-10-13 21:21:57,271 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: true [2019-10-13 21:21:57,271 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2019-10-13 21:21:57,271 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2019-10-13 21:21:57,271 INFO L443 ceAbstractionStarter]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2019-10-13 21:21:57,271 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: true [2019-10-13 21:21:57,271 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 639 646) no Hoare annotation was computed. [2019-10-13 21:21:57,271 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-10-13 21:21:57,272 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2019-10-13 21:21:57,272 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2019-10-13 21:21:57,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:57 BoogieIcfgContainer [2019-10-13 21:21:57,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:57,290 INFO L168 Benchmark]: Toolchain (without parser) took 6094.39 ms. Allocated memory was 138.4 MB in the beginning and 289.4 MB in the end (delta: 151.0 MB). Free memory was 102.7 MB in the beginning and 151.6 MB in the end (delta: -48.8 MB). Peak memory consumption was 102.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,291 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.06 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 171.4 MB in the end (delta: -68.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,293 INFO L168 Benchmark]: Boogie Preprocessor took 103.74 ms. Allocated memory is still 203.4 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,294 INFO L168 Benchmark]: RCFGBuilder took 1119.43 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.3 MB in the beginning and 200.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,295 INFO L168 Benchmark]: TraceAbstraction took 4237.80 ms. Allocated memory was 236.5 MB in the beginning and 289.4 MB in the end (delta: 53.0 MB). Free memory was 198.9 MB in the beginning and 151.6 MB in the end (delta: 47.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:57,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 628.06 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 171.4 MB in the end (delta: -68.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.74 ms. Allocated memory is still 203.4 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1119.43 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.3 MB in the beginning and 200.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4237.80 ms. Allocated memory was 236.5 MB in the beginning and 289.4 MB in the end (delta: 53.0 MB). Free memory was 198.9 MB in the beginning and 151.6 MB in the end (delta: 47.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: 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: 864]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Result: SAFE, OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 643 SDtfs, 500 SDslu, 1467 SDs, 0 SdLazy, 494 SolverSat, 117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=564occurred in iteration=4, 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, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 547 PreInvPairs, 548 NumberOfFragments, 56 HoareAnnotationTreeSize, 547 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 149, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, 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...