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_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:48,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:48,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:48,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:48,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:48,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:48,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:48,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:48,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:48,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:48,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:48,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:48,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:48,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:48,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:48,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:48,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:48,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:48,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:48,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:48,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:48,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:48,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:48,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:48,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:48,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:48,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:48,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:48,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:48,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:48,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:48,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:48,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:48,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:48,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:48,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:48,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:48,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:48,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:48,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:48,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:48,893 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 21:21:48,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:48,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:48,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:48,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:48,916 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:48,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:48,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:48,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:48,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:48,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:48,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:48,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:48,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:48,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:48,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:48,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:48,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:48,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:48,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:48,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:48,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:48,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:48,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:48,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:48,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:48,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:48,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:48,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:48,922 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 21:21:49,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:49,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:49,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:49,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:49,244 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:49,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-10-13 21:21:49,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4460c1b92/d9e92bb93ce646e3b4e56a2569a8b238/FLAG342324016 [2019-10-13 21:21:49,774 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:49,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2019-10-13 21:21:49,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4460c1b92/d9e92bb93ce646e3b4e56a2569a8b238/FLAG342324016 [2019-10-13 21:21:50,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4460c1b92/d9e92bb93ce646e3b4e56a2569a8b238 [2019-10-13 21:21:50,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:50,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:50,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:50,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:50,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:50,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26809f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50, skipping insertion in model container [2019-10-13 21:21:50,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,139 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:50,179 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:50,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:50,725 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:50,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:50,839 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:50,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50 WrapperNode [2019-10-13 21:21:50,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:50,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:50,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:50,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:50,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (1/1) ... [2019-10-13 21:21:50,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:50,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:50,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:50,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:50,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (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 21:21:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:51,990 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:51,990 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:51,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:51 BoogieIcfgContainer [2019-10-13 21:21:51,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:51,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:51,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:51,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:51,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:50" (1/3) ... [2019-10-13 21:21:51,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4e0db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:51, skipping insertion in model container [2019-10-13 21:21:51,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:50" (2/3) ... [2019-10-13 21:21:51,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4e0db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:51, skipping insertion in model container [2019-10-13 21:21:51,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:51" (3/3) ... [2019-10-13 21:21:52,000 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2019-10-13 21:21:52,009 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:52,017 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:52,029 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:52,054 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:52,054 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:52,054 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:52,054 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:52,055 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:52,055 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:52,055 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:52,055 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-10-13 21:21:52,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:52,085 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:52,086 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 21:21:52,088 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:52,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:52,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1582147067, now seen corresponding path program 1 times [2019-10-13 21:21:52,103 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:52,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996083963] [2019-10-13 21:21:52,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:52,494 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 21:21:52,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996083963] [2019-10-13 21:21:52,496 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:52,496 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:52,497 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047526086] [2019-10-13 21:21:52,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:52,504 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:52,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:52,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:52,520 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-10-13 21:21:52,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:52,558 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2019-10-13 21:21:52,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:52,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:52,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:52,572 INFO L225 Difference]: With dead ends: 216 [2019-10-13 21:21:52,572 INFO L226 Difference]: Without dead ends: 108 [2019-10-13 21:21:52,577 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 21:21:52,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-13 21:21:52,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-13 21:21:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-13 21:21:52,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2019-10-13 21:21:52,627 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2019-10-13 21:21:52,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:52,628 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2019-10-13 21:21:52,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2019-10-13 21:21:52,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:52,631 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:52,631 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 21:21:52,632 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:52,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:52,632 INFO L82 PathProgramCache]: Analyzing trace with hash 552512902, now seen corresponding path program 1 times [2019-10-13 21:21:52,632 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:52,633 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600774472] [2019-10-13 21:21:52,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:52,749 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 21:21:52,749 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600774472] [2019-10-13 21:21:52,749 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:52,749 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:52,750 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135457212] [2019-10-13 21:21:52,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:52,752 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:52,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:52,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:52,753 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2019-10-13 21:21:52,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:52,783 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2019-10-13 21:21:52,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:52,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:52,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:52,786 INFO L225 Difference]: With dead ends: 161 [2019-10-13 21:21:52,787 INFO L226 Difference]: Without dead ends: 99 [2019-10-13 21:21:52,789 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 21:21:52,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-10-13 21:21:52,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-10-13 21:21:52,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 21:21:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2019-10-13 21:21:52,806 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2019-10-13 21:21:52,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:52,806 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2019-10-13 21:21:52,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2019-10-13 21:21:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:52,809 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:52,809 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 21:21:52,809 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:52,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:52,809 INFO L82 PathProgramCache]: Analyzing trace with hash -482942028, now seen corresponding path program 1 times [2019-10-13 21:21:52,810 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:52,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155585009] [2019-10-13 21:21:52,810 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,810 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:52,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:52,974 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 21:21:52,974 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155585009] [2019-10-13 21:21:52,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:52,975 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:52,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636790848] [2019-10-13 21:21:52,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:52,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:52,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:52,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:52,976 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 7 states. [2019-10-13 21:21:53,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:53,301 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2019-10-13 21:21:53,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:53,302 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:21:53,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:53,305 INFO L225 Difference]: With dead ends: 174 [2019-10-13 21:21:53,305 INFO L226 Difference]: Without dead ends: 99 [2019-10-13 21:21:53,306 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 21:21:53,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-10-13 21:21:53,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-10-13 21:21:53,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 21:21:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2019-10-13 21:21:53,325 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2019-10-13 21:21:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:53,325 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2019-10-13 21:21:53,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2019-10-13 21:21:53,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:21:53,328 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:53,328 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] [2019-10-13 21:21:53,328 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:53,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:53,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1347870715, now seen corresponding path program 1 times [2019-10-13 21:21:53,329 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:53,329 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683577722] [2019-10-13 21:21:53,330 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,330 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:53,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:53,517 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 21:21:53,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683577722] [2019-10-13 21:21:53,518 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:53,518 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:53,518 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743088657] [2019-10-13 21:21:53,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:53,519 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:53,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:53,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:53,520 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 10 states. [2019-10-13 21:21:54,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:54,100 INFO L93 Difference]: Finished difference Result 304 states and 369 transitions. [2019-10-13 21:21:54,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:54,101 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-10-13 21:21:54,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:54,109 INFO L225 Difference]: With dead ends: 304 [2019-10-13 21:21:54,109 INFO L226 Difference]: Without dead ends: 229 [2019-10-13 21:21:54,112 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 21:21:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-10-13 21:21:54,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2019-10-13 21:21:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-13 21:21:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 264 transitions. [2019-10-13 21:21:54,171 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 264 transitions. Word has length 60 [2019-10-13 21:21:54,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:54,171 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 264 transitions. [2019-10-13 21:21:54,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 264 transitions. [2019-10-13 21:21:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:21:54,178 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:54,178 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:54,179 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:54,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:54,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1827680031, now seen corresponding path program 1 times [2019-10-13 21:21:54,179 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:54,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314665889] [2019-10-13 21:21:54,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,291 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 21:21:54,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314665889] [2019-10-13 21:21:54,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:54,292 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:54,292 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040754387] [2019-10-13 21:21:54,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:54,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:54,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:54,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:54,294 INFO L87 Difference]: Start difference. First operand 225 states and 264 transitions. Second operand 3 states. [2019-10-13 21:21:54,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:54,313 INFO L93 Difference]: Finished difference Result 362 states and 433 transitions. [2019-10-13 21:21:54,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:54,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-13 21:21:54,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:54,317 INFO L225 Difference]: With dead ends: 362 [2019-10-13 21:21:54,317 INFO L226 Difference]: Without dead ends: 161 [2019-10-13 21:21:54,321 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 21:21:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-10-13 21:21:54,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-10-13 21:21:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-10-13 21:21:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2019-10-13 21:21:54,341 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 64 [2019-10-13 21:21:54,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:54,342 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2019-10-13 21:21:54,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:54,342 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2019-10-13 21:21:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 21:21:54,347 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:54,347 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:54,347 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:54,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:54,348 INFO L82 PathProgramCache]: Analyzing trace with hash -621584585, now seen corresponding path program 1 times [2019-10-13 21:21:54,348 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:54,348 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367689890] [2019-10-13 21:21:54,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:54,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 21:21:54,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367689890] [2019-10-13 21:21:54,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858280803] [2019-10-13 21:21:54,511 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 21:21:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:54,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:54,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:54,841 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:54,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:55,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:21:55,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [141102563] [2019-10-13 21:21:55,118 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 101 [2019-10-13 21:21:55,159 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:55,160 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:55,248 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:55,250 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 21:21:55,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:55,254 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:55,300 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:55,301 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:55,304 INFO L553 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2019-10-13 21:21:55,304 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:55,305 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:55,305 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:21:55,305 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404804375] [2019-10-13 21:21:55,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:55,307 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:55,307 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:55,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:55,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:55,308 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 2 states. [2019-10-13 21:21:55,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:55,311 INFO L93 Difference]: Finished difference Result 161 states and 179 transitions. [2019-10-13 21:21:55,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:55,312 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 100 [2019-10-13 21:21:55,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:55,312 INFO L225 Difference]: With dead ends: 161 [2019-10-13 21:21:55,312 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:55,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 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 21:21:55,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:55,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:55,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:55,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:55,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-10-13 21:21:55,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:55,314 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:55,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:55,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:55,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:55,519 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:55,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:55,633 INFO L443 ceAbstractionStarter]: For program point L640(lines 617 641) no Hoare annotation was computed. [2019-10-13 21:21:55,634 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 593 648) no Hoare annotation was computed. [2019-10-13 21:21:55,634 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 628) no Hoare annotation was computed. [2019-10-13 21:21:55,634 INFO L443 ceAbstractionStarter]: For program point L624-1(lines 624 628) no Hoare annotation was computed. [2019-10-13 21:21:55,634 INFO L443 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2019-10-13 21:21:55,634 INFO L443 ceAbstractionStarter]: For program point L618-2(lines 618 639) no Hoare annotation was computed. [2019-10-13 21:21:55,634 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 593 648) no Hoare annotation was computed. [2019-10-13 21:21:55,634 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 593 648) no Hoare annotation was computed. [2019-10-13 21:21:55,634 INFO L443 ceAbstractionStarter]: For program point L675-2(lines 675 700) no Hoare annotation was computed. [2019-10-13 21:21:55,635 INFO L443 ceAbstractionStarter]: For program point L701(lines 674 702) no Hoare annotation was computed. [2019-10-13 21:21:55,635 INFO L443 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2019-10-13 21:21:55,635 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 649 708) no Hoare annotation was computed. [2019-10-13 21:21:55,635 INFO L443 ceAbstractionStarter]: For program point L694-1(line 694) no Hoare annotation was computed. [2019-10-13 21:21:55,635 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 649 708) no Hoare annotation was computed. [2019-10-13 21:21:55,636 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 649 708) no Hoare annotation was computed. [2019-10-13 21:21:55,636 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 685) no Hoare annotation was computed. [2019-10-13 21:21:55,636 INFO L443 ceAbstractionStarter]: For program point L681-1(lines 681 685) no Hoare annotation was computed. [2019-10-13 21:21:55,636 INFO L443 ceAbstractionStarter]: For program point L676(line 676) no Hoare annotation was computed. [2019-10-13 21:21:55,636 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 426 432) the Hoare annotation is: true [2019-10-13 21:21:55,637 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 426 432) no Hoare annotation was computed. [2019-10-13 21:21:55,637 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 433 441) no Hoare annotation was computed. [2019-10-13 21:21:55,637 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 433 441) the Hoare annotation is: true [2019-10-13 21:21:55,637 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 433 441) no Hoare annotation was computed. [2019-10-13 21:21:55,637 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 382 406) the Hoare annotation is: true [2019-10-13 21:21:55,638 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 382 406) no Hoare annotation was computed. [2019-10-13 21:21:55,638 INFO L446 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: true [2019-10-13 21:21:55,638 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-10-13 21:21:55,643 INFO L446 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2019-10-13 21:21:55,643 INFO L443 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2019-10-13 21:21:55,643 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 403) no Hoare annotation was computed. [2019-10-13 21:21:55,644 INFO L443 ceAbstractionStarter]: For program point L390-1(lines 382 406) no Hoare annotation was computed. [2019-10-13 21:21:55,644 INFO L446 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: true [2019-10-13 21:21:55,644 INFO L443 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2019-10-13 21:21:55,644 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 356 378) the Hoare annotation is: true [2019-10-13 21:21:55,644 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 356 378) no Hoare annotation was computed. [2019-10-13 21:21:55,645 INFO L446 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2019-10-13 21:21:55,645 INFO L446 ceAbstractionStarter]: At program point L368-1(line 368) the Hoare annotation is: true [2019-10-13 21:21:55,645 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2019-10-13 21:21:55,645 INFO L443 ceAbstractionStarter]: For program point L366-1(lines 366 373) no Hoare annotation was computed. [2019-10-13 21:21:55,645 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 356 378) no Hoare annotation was computed. [2019-10-13 21:21:55,645 INFO L443 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2019-10-13 21:21:55,646 INFO L446 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: true [2019-10-13 21:21:55,646 INFO L446 ceAbstractionStarter]: At program point L362(line 362) the Hoare annotation is: true [2019-10-13 21:21:55,647 INFO L446 ceAbstractionStarter]: At program point L362-1(line 362) the Hoare annotation is: true [2019-10-13 21:21:55,647 INFO L443 ceAbstractionStarter]: For program point L321(line 321) no Hoare annotation was computed. [2019-10-13 21:21:55,647 INFO L443 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2019-10-13 21:21:55,647 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 312 335) no Hoare annotation was computed. [2019-10-13 21:21:55,647 INFO L443 ceAbstractionStarter]: For program point L319(line 319) no Hoare annotation was computed. [2019-10-13 21:21:55,647 INFO L443 ceAbstractionStarter]: For program point L318(line 318) no Hoare annotation was computed. [2019-10-13 21:21:55,647 INFO L443 ceAbstractionStarter]: For program point L317(line 317) no Hoare annotation was computed. [2019-10-13 21:21:55,647 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 312 335) no Hoare annotation was computed. [2019-10-13 21:21:55,648 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 312 335) no Hoare annotation was computed. [2019-10-13 21:21:55,648 INFO L443 ceAbstractionStarter]: For program point L330(line 330) no Hoare annotation was computed. [2019-10-13 21:21:55,648 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-13 21:21:55,648 INFO L443 ceAbstractionStarter]: For program point L328(line 328) no Hoare annotation was computed. [2019-10-13 21:21:55,648 INFO L443 ceAbstractionStarter]: For program point L327(line 327) no Hoare annotation was computed. [2019-10-13 21:21:55,648 INFO L443 ceAbstractionStarter]: For program point L326(line 326) no Hoare annotation was computed. [2019-10-13 21:21:55,648 INFO L443 ceAbstractionStarter]: For program point L325(line 325) no Hoare annotation was computed. [2019-10-13 21:21:55,648 INFO L443 ceAbstractionStarter]: For program point L324(line 324) no Hoare annotation was computed. [2019-10-13 21:21:55,649 INFO L443 ceAbstractionStarter]: For program point L323(line 323) no Hoare annotation was computed. [2019-10-13 21:21:55,649 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-10-13 21:21:55,649 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-10-13 21:21:55,649 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-10-13 21:21:55,649 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2019-10-13 21:21:55,649 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-10-13 21:21:55,649 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:21:55,649 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-10-13 21:21:55,649 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-13 21:21:55,650 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:21:55,650 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-13 21:21:55,650 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2019-10-13 21:21:55,650 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-10-13 21:21:55,650 INFO L443 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-10-13 21:21:55,650 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-13 21:21:55,650 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-10-13 21:21:55,650 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2019-10-13 21:21:55,651 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 244) no Hoare annotation was computed. [2019-10-13 21:21:55,651 INFO L443 ceAbstractionStarter]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2019-10-13 21:21:55,651 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-10-13 21:21:55,651 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-10-13 21:21:55,651 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 419 425) no Hoare annotation was computed. [2019-10-13 21:21:55,651 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 419 425) the Hoare annotation is: true [2019-10-13 21:21:55,651 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 547 592) no Hoare annotation was computed. [2019-10-13 21:21:55,652 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 547 592) no Hoare annotation was computed. [2019-10-13 21:21:55,652 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 547 592) no Hoare annotation was computed. [2019-10-13 21:21:55,652 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 860 905) no Hoare annotation was computed. [2019-10-13 21:21:55,652 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 887) no Hoare annotation was computed. [2019-10-13 21:21:55,652 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 860 905) no Hoare annotation was computed. [2019-10-13 21:21:55,652 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-10-13 21:21:55,652 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2019-10-13 21:21:55,652 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 860 905) no Hoare annotation was computed. [2019-10-13 21:21:55,652 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 343 352) the Hoare annotation is: true [2019-10-13 21:21:55,653 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 343 352) no Hoare annotation was computed. [2019-10-13 21:21:55,653 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 343 352) no Hoare annotation was computed. [2019-10-13 21:21:55,653 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 197 207) no Hoare annotation was computed. [2019-10-13 21:21:55,653 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-10-13 21:21:55,653 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 21:21:55,653 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-13 21:21:55,653 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2019-10-13 21:21:55,653 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2019-10-13 21:21:55,654 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-13 21:21:55,654 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2019-10-13 21:21:55,654 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-10-13 21:21:55,654 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-10-13 21:21:55,654 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 156 180) no Hoare annotation was computed. [2019-10-13 21:21:55,654 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 156 180) the Hoare annotation is: true [2019-10-13 21:21:55,654 INFO L446 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: true [2019-10-13 21:21:55,654 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2019-10-13 21:21:55,655 INFO L446 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: true [2019-10-13 21:21:55,655 INFO L446 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: true [2019-10-13 21:21:55,655 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-10-13 21:21:55,655 INFO L446 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: true [2019-10-13 21:21:55,655 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2019-10-13 21:21:55,655 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2019-10-13 21:21:55,655 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: true [2019-10-13 21:21:55,655 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-10-13 21:21:55,656 INFO L446 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: true [2019-10-13 21:21:55,656 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-13 21:21:55,656 INFO L446 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: true [2019-10-13 21:21:55,656 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:21:55,656 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-13 21:21:55,656 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-13 21:21:55,656 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:21:55,656 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:21:55,657 INFO L446 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: true [2019-10-13 21:21:55,657 INFO L446 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: true [2019-10-13 21:21:55,657 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:21:55,657 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:21:55,657 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-13 21:21:55,657 INFO L446 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: true [2019-10-13 21:21:55,657 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:21:55,657 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 848) no Hoare annotation was computed. [2019-10-13 21:21:55,658 INFO L443 ceAbstractionStarter]: For program point L828-1(lines 828 848) no Hoare annotation was computed. [2019-10-13 21:21:55,658 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 814 859) no Hoare annotation was computed. [2019-10-13 21:21:55,658 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 814 859) no Hoare annotation was computed. [2019-10-13 21:21:55,658 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 814 859) no Hoare annotation was computed. [2019-10-13 21:21:55,658 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 841) no Hoare annotation was computed. [2019-10-13 21:21:55,658 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 522 530) no Hoare annotation was computed. [2019-10-13 21:21:55,658 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 522 530) the Hoare annotation is: true [2019-10-13 21:21:55,658 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 522 530) no Hoare annotation was computed. [2019-10-13 21:21:55,658 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2019-10-13 21:21:55,659 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 490 512) no Hoare annotation was computed. [2019-10-13 21:21:55,659 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 490 512) no Hoare annotation was computed. [2019-10-13 21:21:55,660 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 490 512) no Hoare annotation was computed. [2019-10-13 21:21:55,660 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 506) no Hoare annotation was computed. [2019-10-13 21:21:55,660 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 409 418) no Hoare annotation was computed. [2019-10-13 21:21:55,661 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 409 418) no Hoare annotation was computed. [2019-10-13 21:21:55,661 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 409 418) no Hoare annotation was computed. [2019-10-13 21:21:55,661 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-10-13 21:21:55,661 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 810) no Hoare annotation was computed. [2019-10-13 21:21:55,661 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 711 813) no Hoare annotation was computed. [2019-10-13 21:21:55,661 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 766) no Hoare annotation was computed. [2019-10-13 21:21:55,662 INFO L443 ceAbstractionStarter]: For program point L760-2(lines 760 780) no Hoare annotation was computed. [2019-10-13 21:21:55,665 INFO L443 ceAbstractionStarter]: For program point L781(lines 759 782) no Hoare annotation was computed. [2019-10-13 21:21:55,665 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 711 813) no Hoare annotation was computed. [2019-10-13 21:21:55,666 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 756) no Hoare annotation was computed. [2019-10-13 21:21:55,666 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 807) no Hoare annotation was computed. [2019-10-13 21:21:55,666 INFO L443 ceAbstractionStarter]: For program point L761(lines 760 780) no Hoare annotation was computed. [2019-10-13 21:21:55,666 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-13 21:21:55,666 INFO L443 ceAbstractionStarter]: For program point L792-1(line 792) no Hoare annotation was computed. [2019-10-13 21:21:55,666 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 798) no Hoare annotation was computed. [2019-10-13 21:21:55,666 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 711 813) no Hoare annotation was computed. [2019-10-13 21:21:55,666 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-13 21:21:55,666 INFO L443 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2019-10-13 21:21:55,667 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,667 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:55,667 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,667 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 181 188) no Hoare annotation was computed. [2019-10-13 21:21:55,667 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 181 188) no Hoare annotation was computed. [2019-10-13 21:21:55,667 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 181 188) no Hoare annotation was computed. [2019-10-13 21:21:55,667 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 513 521) the Hoare annotation is: true [2019-10-13 21:21:55,667 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 513 521) no Hoare annotation was computed. [2019-10-13 21:21:55,667 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 513 521) no Hoare annotation was computed. [2019-10-13 21:21:55,668 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 469 480) the Hoare annotation is: true [2019-10-13 21:21:55,668 INFO L443 ceAbstractionStarter]: For program point L473-1(lines 469 480) no Hoare annotation was computed. [2019-10-13 21:21:55,668 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 469 480) no Hoare annotation was computed. [2019-10-13 21:21:55,668 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,668 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,668 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,669 INFO L443 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2019-10-13 21:21:55,669 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: true [2019-10-13 21:21:55,669 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2019-10-13 21:21:55,669 INFO L446 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: true [2019-10-13 21:21:55,669 INFO L446 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: true [2019-10-13 21:21:55,669 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2019-10-13 21:21:55,669 INFO L446 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: true [2019-10-13 21:21:55,669 INFO L446 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2019-10-13 21:21:55,669 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2019-10-13 21:21:55,670 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-13 21:21:55,670 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2019-10-13 21:21:55,670 INFO L446 ceAbstractionStarter]: At program point L307(lines 282 311) the Hoare annotation is: true [2019-10-13 21:21:55,670 INFO L443 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2019-10-13 21:21:55,670 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2019-10-13 21:21:55,670 INFO L446 ceAbstractionStarter]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2019-10-13 21:21:55,670 INFO L443 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2019-10-13 21:21:55,670 INFO L446 ceAbstractionStarter]: At program point L292-2(lines 292 306) the Hoare annotation is: true [2019-10-13 21:21:55,671 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 481 489) no Hoare annotation was computed. [2019-10-13 21:21:55,671 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 481 489) no Hoare annotation was computed. [2019-10-13 21:21:55,671 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 481 489) no Hoare annotation was computed. [2019-10-13 21:21:55,671 INFO L443 ceAbstractionStarter]: For program point L449-1(lines 445 456) no Hoare annotation was computed. [2019-10-13 21:21:55,671 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 445 456) the Hoare annotation is: true [2019-10-13 21:21:55,671 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 445 456) no Hoare annotation was computed. [2019-10-13 21:21:55,671 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2019-10-13 21:21:55,671 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2019-10-13 21:21:55,672 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,672 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:55,672 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:55,672 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:55,672 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 272 279) no Hoare annotation was computed. [2019-10-13 21:21:55,673 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 272 279) the Hoare annotation is: true [2019-10-13 21:21:55,673 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 272 279) no Hoare annotation was computed. [2019-10-13 21:21:55,673 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 457 468) no Hoare annotation was computed. [2019-10-13 21:21:55,673 INFO L443 ceAbstractionStarter]: For program point L461-1(lines 457 468) no Hoare annotation was computed. [2019-10-13 21:21:55,674 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 457 468) the Hoare annotation is: true [2019-10-13 21:21:55,674 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 532 539) no Hoare annotation was computed. [2019-10-13 21:21:55,674 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 532 539) the Hoare annotation is: true [2019-10-13 21:21:55,674 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-10-13 21:21:55,674 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 532 539) no Hoare annotation was computed. [2019-10-13 21:21:55,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:55 BoogieIcfgContainer [2019-10-13 21:21:55,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:55,690 INFO L168 Benchmark]: Toolchain (without parser) took 5563.82 ms. Allocated memory was 147.3 MB in the beginning and 272.1 MB in the end (delta: 124.8 MB). Free memory was 104.1 MB in the beginning and 153.2 MB in the end (delta: -49.1 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,691 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.3 MB. Free memory was 123.7 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.21 ms. Allocated memory was 147.3 MB in the beginning and 208.1 MB in the end (delta: 60.8 MB). Free memory was 103.9 MB in the beginning and 176.6 MB in the end (delta: -72.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,698 INFO L168 Benchmark]: Boogie Preprocessor took 91.53 ms. Allocated memory is still 208.1 MB. Free memory was 176.6 MB in the beginning and 172.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,698 INFO L168 Benchmark]: RCFGBuilder took 1055.39 ms. Allocated memory was 208.1 MB in the beginning and 230.7 MB in the end (delta: 22.5 MB). Free memory was 172.7 MB in the beginning and 193.1 MB in the end (delta: -20.4 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,699 INFO L168 Benchmark]: TraceAbstraction took 3693.60 ms. Allocated memory was 230.7 MB in the beginning and 272.1 MB in the end (delta: 41.4 MB). Free memory was 193.1 MB in the beginning and 153.2 MB in the end (delta: 39.9 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:55,711 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.3 MB. Free memory was 123.7 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.21 ms. Allocated memory was 147.3 MB in the beginning and 208.1 MB in the end (delta: 60.8 MB). Free memory was 103.9 MB in the beginning and 176.6 MB in the end (delta: -72.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.53 ms. Allocated memory is still 208.1 MB. Free memory was 176.6 MB in the beginning and 172.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1055.39 ms. Allocated memory was 208.1 MB in the beginning and 230.7 MB in the end (delta: 22.5 MB). Free memory was 172.7 MB in the beginning and 193.1 MB in the end (delta: -20.4 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3693.60 ms. Allocated memory was 230.7 MB in the beginning and 272.1 MB in the end (delta: 41.4 MB). Free memory was 193.1 MB in the beginning and 153.2 MB in the end (delta: 39.9 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: 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: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 218 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 569 SDtfs, 358 SDslu, 1081 SDs, 0 SdLazy, 373 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 272 PreInvPairs, 273 NumberOfFragments, 51 HoareAnnotationTreeSize, 272 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 90847 SizeOfPredicates, 3 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 87/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 137, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9696969696969697, 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...