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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:53,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:53,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:53,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:53,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:53,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:53,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:53,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:53,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:53,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:53,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:53,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:53,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:53,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:53,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:53,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:53,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:53,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:53,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:53,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:53,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:53,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:53,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:53,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:53,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:53,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:53,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:53,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:53,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:53,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:53,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:53,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:53,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:53,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:53,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:53,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:53,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:53,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:53,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:53,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:53,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:53,975 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 [2019-10-15 01:20:53,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:53,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:53,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:53,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:53,998 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:53,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:53,999 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:53,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:53,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:53,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:54,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:54,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:54,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:54,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:54,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:54,001 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:54,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:54,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:54,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:54,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:54,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:54,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:54,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:54,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:54,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:54,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:54,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:54,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:54,004 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 [2019-10-15 01:20:54,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:54,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:54,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:54,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:54,310 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:54,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-15 01:20:54,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3252d3682/3dafd74219dd47df90ba4ff39270ebd5/FLAGac2117bbf [2019-10-15 01:20:54,907 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:54,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-15 01:20:54,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3252d3682/3dafd74219dd47df90ba4ff39270ebd5/FLAGac2117bbf [2019-10-15 01:20:55,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3252d3682/3dafd74219dd47df90ba4ff39270ebd5 [2019-10-15 01:20:55,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:55,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:55,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:55,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:55,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:55,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:55" (1/1) ... [2019-10-15 01:20:55,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4924bc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:55, skipping insertion in model container [2019-10-15 01:20:55,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:55" (1/1) ... [2019-10-15 01:20:55,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:55,285 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:55,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:55,887 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:56,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:56,041 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:56,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56 WrapperNode [2019-10-15 01:20:56,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:56,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:56,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:56,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:56,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:56,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:56,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:56,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:56,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (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 [2019-10-15 01:20:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:20:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:20:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:20:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:20:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:57,266 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:57,267 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:57,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:57 BoogieIcfgContainer [2019-10-15 01:20:57,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:57,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:57,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:57,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:57,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:55" (1/3) ... [2019-10-15 01:20:57,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5e8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:57, skipping insertion in model container [2019-10-15 01:20:57,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (2/3) ... [2019-10-15 01:20:57,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5e8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:57, skipping insertion in model container [2019-10-15 01:20:57,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:57" (3/3) ... [2019-10-15 01:20:57,278 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2019-10-15 01:20:57,290 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:57,300 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:57,314 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:57,346 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:57,346 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:57,346 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:57,346 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:57,347 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:57,347 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:57,347 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:57,347 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-10-15 01:20:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:20:57,395 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:57,397 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] [2019-10-15 01:20:57,401 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:57,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:57,408 INFO L82 PathProgramCache]: Analyzing trace with hash -635159435, now seen corresponding path program 1 times [2019-10-15 01:20:57,419 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:57,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017571229] [2019-10-15 01:20:57,421 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:57,421 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:57,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:57,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017571229] [2019-10-15 01:20:57,835 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:57,836 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:57,836 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910825727] [2019-10-15 01:20:57,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:57,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:57,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:57,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:57,862 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-10-15 01:20:57,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:57,901 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2019-10-15 01:20:57,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:57,903 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:20:57,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:57,917 INFO L225 Difference]: With dead ends: 256 [2019-10-15 01:20:57,917 INFO L226 Difference]: Without dead ends: 128 [2019-10-15 01:20:57,922 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 [2019-10-15 01:20:57,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-10-15 01:20:57,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-10-15 01:20:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-15 01:20:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2019-10-15 01:20:57,984 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2019-10-15 01:20:57,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:57,985 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2019-10-15 01:20:57,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2019-10-15 01:20:57,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:20:57,989 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:57,989 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] [2019-10-15 01:20:57,990 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:57,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:57,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1199676654, now seen corresponding path program 1 times [2019-10-15 01:20:57,991 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:57,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121040594] [2019-10-15 01:20:57,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:57,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:57,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:58,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121040594] [2019-10-15 01:20:58,132 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:58,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:58,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123084032] [2019-10-15 01:20:58,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:58,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:58,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:58,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:58,138 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2019-10-15 01:20:58,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:58,181 INFO L93 Difference]: Finished difference Result 199 states and 233 transitions. [2019-10-15 01:20:58,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:58,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:20:58,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:58,185 INFO L225 Difference]: With dead ends: 199 [2019-10-15 01:20:58,186 INFO L226 Difference]: Without dead ends: 119 [2019-10-15 01:20:58,189 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 [2019-10-15 01:20:58,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-15 01:20:58,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-15 01:20:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-15 01:20:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-10-15 01:20:58,206 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2019-10-15 01:20:58,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:58,207 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-10-15 01:20:58,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:58,207 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-10-15 01:20:58,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:58,209 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:58,210 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:58,210 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:58,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1199325015, now seen corresponding path program 1 times [2019-10-15 01:20:58,211 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:58,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82283252] [2019-10-15 01:20:58,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:58,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:58,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82283252] [2019-10-15 01:20:58,398 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:58,398 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:58,399 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614085125] [2019-10-15 01:20:58,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:58,400 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:58,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:58,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:58,400 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2019-10-15 01:20:58,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:58,849 INFO L93 Difference]: Finished difference Result 359 states and 435 transitions. [2019-10-15 01:20:58,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:58,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-15 01:20:58,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:58,859 INFO L225 Difference]: With dead ends: 359 [2019-10-15 01:20:58,859 INFO L226 Difference]: Without dead ends: 264 [2019-10-15 01:20:58,863 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 [2019-10-15 01:20:58,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-10-15 01:20:58,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 256. [2019-10-15 01:20:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-10-15 01:20:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2019-10-15 01:20:58,933 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2019-10-15 01:20:58,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:58,934 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2019-10-15 01:20:58,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2019-10-15 01:20:58,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:58,961 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:58,962 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:58,962 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:58,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:58,962 INFO L82 PathProgramCache]: Analyzing trace with hash -274049321, now seen corresponding path program 1 times [2019-10-15 01:20:58,963 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:58,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414922238] [2019-10-15 01:20:58,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:59,108 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414922238] [2019-10-15 01:20:59,108 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:59,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:59,109 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048344789] [2019-10-15 01:20:59,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:59,109 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:59,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:59,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:59,110 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 10 states. [2019-10-15 01:20:59,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:59,747 INFO L93 Difference]: Finished difference Result 904 states and 1159 transitions. [2019-10-15 01:20:59,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:20:59,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-15 01:20:59,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:59,757 INFO L225 Difference]: With dead ends: 904 [2019-10-15 01:20:59,757 INFO L226 Difference]: Without dead ends: 672 [2019-10-15 01:20:59,759 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 [2019-10-15 01:20:59,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-10-15 01:20:59,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660. [2019-10-15 01:20:59,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-10-15 01:20:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 820 transitions. [2019-10-15 01:20:59,855 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 820 transitions. Word has length 57 [2019-10-15 01:20:59,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:59,856 INFO L462 AbstractCegarLoop]: Abstraction has 660 states and 820 transitions. [2019-10-15 01:20:59,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2019-10-15 01:20:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:20:59,872 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:59,872 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:59,872 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:59,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:59,873 INFO L82 PathProgramCache]: Analyzing trace with hash 2094502109, now seen corresponding path program 1 times [2019-10-15 01:20:59,873 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:59,873 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227944371] [2019-10-15 01:20:59,873 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:59,874 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:59,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:59,992 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227944371] [2019-10-15 01:20:59,992 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:59,992 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:59,993 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639636478] [2019-10-15 01:20:59,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:59,994 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:59,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:59,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:59,995 INFO L87 Difference]: Start difference. First operand 660 states and 820 transitions. Second operand 4 states. [2019-10-15 01:21:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:00,160 INFO L93 Difference]: Finished difference Result 1062 states and 1360 transitions. [2019-10-15 01:21:00,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:21:00,161 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-15 01:21:00,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:00,167 INFO L225 Difference]: With dead ends: 1062 [2019-10-15 01:21:00,167 INFO L226 Difference]: Without dead ends: 426 [2019-10-15 01:21:00,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:21:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-10-15 01:21:00,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 414. [2019-10-15 01:21:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-15 01:21:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2019-10-15 01:21:00,211 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 61 [2019-10-15 01:21:00,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:00,212 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2019-10-15 01:21:00,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2019-10-15 01:21:00,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:21:00,216 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:00,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:00,217 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:00,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:00,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1427524119, now seen corresponding path program 1 times [2019-10-15 01:21:00,218 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:00,219 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019541711] [2019-10-15 01:21:00,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:00,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:00,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 01:21:00,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019541711] [2019-10-15 01:21:00,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483136028] [2019-10-15 01:21:00,380 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 [2019-10-15 01:21:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:00,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:21:00,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:00,753 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:00,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:21:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:01,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [896604781] [2019-10-15 01:21:01,045 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 89 [2019-10-15 01:21:01,093 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:01,094 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:01,183 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:01,184 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. [2019-10-15 01:21:01,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:01,189 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:01,232 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:01,233 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:01,236 INFO L553 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2019-10-15 01:21:01,236 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:01,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:01,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-15 01:21:01,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129599770] [2019-10-15 01:21:01,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:01,238 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:01,239 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:01,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:01,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:01,239 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 2 states. [2019-10-15 01:21:01,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:01,246 INFO L93 Difference]: Finished difference Result 414 states and 476 transitions. [2019-10-15 01:21:01,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:01,246 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 88 [2019-10-15 01:21:01,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:01,247 INFO L225 Difference]: With dead ends: 414 [2019-10-15 01:21:01,247 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:01,248 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:01,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:01,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-15 01:21:01,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:01,249 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:01,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:01,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:01,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:01,454 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:01,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:01,752 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-15 01:21:01,752 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-15 01:21:01,752 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-15 01:21:01,752 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2019-10-15 01:21:01,752 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-15 01:21:01,753 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-15 01:21:01,753 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-10-15 01:21:01,753 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-15 01:21:01,753 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-15 01:21:01,753 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2019-10-15 01:21:01,753 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-15 01:21:01,753 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-15 01:21:01,753 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-15 01:21:01,754 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-15 01:21:01,754 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-15 01:21:01,754 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-15 01:21:01,754 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-15 01:21:01,754 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-15 01:21:01,755 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 532 538) the Hoare annotation is: true [2019-10-15 01:21:01,755 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 532 538) no Hoare annotation was computed. [2019-10-15 01:21:01,755 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 539 547) no Hoare annotation was computed. [2019-10-15 01:21:01,755 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 539 547) the Hoare annotation is: true [2019-10-15 01:21:01,755 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 539 547) no Hoare annotation was computed. [2019-10-15 01:21:01,755 INFO L446 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2019-10-15 01:21:01,756 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2019-10-15 01:21:01,756 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-10-15 01:21:01,756 INFO L446 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2019-10-15 01:21:01,756 INFO L443 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-10-15 01:21:01,756 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-10-15 01:21:01,756 INFO L443 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2019-10-15 01:21:01,756 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-15 01:21:01,756 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-15 01:21:01,757 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2019-10-15 01:21:01,757 INFO L446 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2019-10-15 01:21:01,757 INFO L446 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: true [2019-10-15 01:21:01,757 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: true [2019-10-15 01:21:01,757 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2019-10-15 01:21:01,757 INFO L443 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2019-10-15 01:21:01,757 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-15 01:21:01,758 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-10-15 01:21:01,758 INFO L446 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2019-10-15 01:21:01,758 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2019-10-15 01:21:01,758 INFO L446 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: true [2019-10-15 01:21:01,758 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2019-10-15 01:21:01,758 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 874 897) no Hoare annotation was computed. [2019-10-15 01:21:01,758 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 874 897) no Hoare annotation was computed. [2019-10-15 01:21:01,759 INFO L443 ceAbstractionStarter]: For program point L892(line 892) no Hoare annotation was computed. [2019-10-15 01:21:01,759 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 874 897) no Hoare annotation was computed. [2019-10-15 01:21:01,759 INFO L443 ceAbstractionStarter]: For program point L891(line 891) no Hoare annotation was computed. [2019-10-15 01:21:01,759 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-15 01:21:01,759 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-15 01:21:01,759 INFO L443 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2019-10-15 01:21:01,759 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-10-15 01:21:01,759 INFO L443 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2019-10-15 01:21:01,759 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-15 01:21:01,760 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-15 01:21:01,760 INFO L443 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2019-10-15 01:21:01,760 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-15 01:21:01,760 INFO L443 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2019-10-15 01:21:01,760 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-15 01:21:01,760 INFO L443 ceAbstractionStarter]: For program point L879(line 879) no Hoare annotation was computed. [2019-10-15 01:21:01,760 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 801 815) no Hoare annotation was computed. [2019-10-15 01:21:01,760 INFO L446 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2019-10-15 01:21:01,761 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 801 815) the Hoare annotation is: true [2019-10-15 01:21:01,761 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-10-15 01:21:01,761 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 801 815) no Hoare annotation was computed. [2019-10-15 01:21:01,761 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 737 745) no Hoare annotation was computed. [2019-10-15 01:21:01,761 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 737 745) the Hoare annotation is: true [2019-10-15 01:21:01,761 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 737 745) no Hoare annotation was computed. [2019-10-15 01:21:01,761 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 782 800) the Hoare annotation is: true [2019-10-15 01:21:01,762 INFO L443 ceAbstractionStarter]: For program point L791(lines 791 795) no Hoare annotation was computed. [2019-10-15 01:21:01,762 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 782 800) no Hoare annotation was computed. [2019-10-15 01:21:01,762 INFO L446 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2019-10-15 01:21:01,762 INFO L443 ceAbstractionStarter]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2019-10-15 01:21:01,762 INFO L443 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2019-10-15 01:21:01,762 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 782 800) no Hoare annotation was computed. [2019-10-15 01:21:01,762 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 773) no Hoare annotation was computed. [2019-10-15 01:21:01,762 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2019-10-15 01:21:01,762 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 761) no Hoare annotation was computed. [2019-10-15 01:21:01,763 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 761) no Hoare annotation was computed. [2019-10-15 01:21:01,763 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 746 781) no Hoare annotation was computed. [2019-10-15 01:21:01,763 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-15 01:21:01,763 INFO L443 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2019-10-15 01:21:01,763 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 746 781) no Hoare annotation was computed. [2019-10-15 01:21:01,763 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 746 781) no Hoare annotation was computed. [2019-10-15 01:21:01,763 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 525 531) no Hoare annotation was computed. [2019-10-15 01:21:01,763 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 525 531) the Hoare annotation is: true [2019-10-15 01:21:01,764 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-15 01:21:01,764 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-15 01:21:01,764 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2019-10-15 01:21:01,764 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 402) no Hoare annotation was computed. [2019-10-15 01:21:01,764 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2019-10-15 01:21:01,764 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2019-10-15 01:21:01,764 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-15 01:21:01,764 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-15 01:21:01,765 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 395) no Hoare annotation was computed. [2019-10-15 01:21:01,765 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 905 914) the Hoare annotation is: true [2019-10-15 01:21:01,765 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 905 914) no Hoare annotation was computed. [2019-10-15 01:21:01,765 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 905 914) no Hoare annotation was computed. [2019-10-15 01:21:01,765 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 726 736) the Hoare annotation is: true [2019-10-15 01:21:01,765 INFO L446 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2019-10-15 01:21:01,765 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 726 736) no Hoare annotation was computed. [2019-10-15 01:21:01,765 INFO L443 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2019-10-15 01:21:01,766 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 726 736) no Hoare annotation was computed. [2019-10-15 01:21:01,766 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 718 725) the Hoare annotation is: true [2019-10-15 01:21:01,766 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2019-10-15 01:21:01,766 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2019-10-15 01:21:01,766 INFO L446 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2019-10-15 01:21:01,766 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 685 709) no Hoare annotation was computed. [2019-10-15 01:21:01,766 INFO L446 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2019-10-15 01:21:01,766 INFO L446 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2019-10-15 01:21:01,767 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 685 709) no Hoare annotation was computed. [2019-10-15 01:21:01,767 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2019-10-15 01:21:01,767 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 685 709) the Hoare annotation is: true [2019-10-15 01:21:01,767 INFO L446 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2019-10-15 01:21:01,767 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-15 01:21:01,767 INFO L443 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2019-10-15 01:21:01,767 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 651 657) no Hoare annotation was computed. [2019-10-15 01:21:01,767 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 651 657) the Hoare annotation is: true [2019-10-15 01:21:01,768 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 552 617) the Hoare annotation is: true [2019-10-15 01:21:01,768 INFO L446 ceAbstractionStarter]: At program point L607(lines 562 609) the Hoare annotation is: true [2019-10-15 01:21:01,768 INFO L446 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: true [2019-10-15 01:21:01,768 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2019-10-15 01:21:01,768 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2019-10-15 01:21:01,768 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 552 617) no Hoare annotation was computed. [2019-10-15 01:21:01,768 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-10-15 01:21:01,768 INFO L446 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: true [2019-10-15 01:21:01,768 INFO L446 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: true [2019-10-15 01:21:01,769 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2019-10-15 01:21:01,769 INFO L446 ceAbstractionStarter]: At program point L598-1(lines 592 605) the Hoare annotation is: true [2019-10-15 01:21:01,769 INFO L443 ceAbstractionStarter]: For program point L563(lines 562 609) no Hoare annotation was computed. [2019-10-15 01:21:01,769 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 605) no Hoare annotation was computed. [2019-10-15 01:21:01,769 INFO L446 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: true [2019-10-15 01:21:01,769 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-10-15 01:21:01,769 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2019-10-15 01:21:01,769 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 552 617) no Hoare annotation was computed. [2019-10-15 01:21:01,770 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-15 01:21:01,770 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2019-10-15 01:21:01,770 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-15 01:21:01,770 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2019-10-15 01:21:01,770 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 356) no Hoare annotation was computed. [2019-10-15 01:21:01,770 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2019-10-15 01:21:01,770 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2019-10-15 01:21:01,770 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2019-10-15 01:21:01,771 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2019-10-15 01:21:01,771 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 485) no Hoare annotation was computed. [2019-10-15 01:21:01,771 INFO L443 ceAbstractionStarter]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2019-10-15 01:21:01,771 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2019-10-15 01:21:01,771 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2019-10-15 01:21:01,771 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2019-10-15 01:21:01,771 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-15 01:21:01,771 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-15 01:21:01,771 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-15 01:21:01,772 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-10-15 01:21:01,772 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-15 01:21:01,772 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-15 01:21:01,772 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-15 01:21:01,772 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-15 01:21:01,772 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-15 01:21:01,772 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-15 01:21:01,773 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-15 01:21:01,773 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-15 01:21:01,773 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-10-15 01:21:01,773 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-15 01:21:01,773 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-15 01:21:01,773 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-15 01:21:01,773 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 515 524) no Hoare annotation was computed. [2019-10-15 01:21:01,773 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 515 524) no Hoare annotation was computed. [2019-10-15 01:21:01,774 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 515 524) no Hoare annotation was computed. [2019-10-15 01:21:01,774 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:01,774 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:21:01,774 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:01,774 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 710 717) no Hoare annotation was computed. [2019-10-15 01:21:01,774 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 717) no Hoare annotation was computed. [2019-10-15 01:21:01,775 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 710 717) no Hoare annotation was computed. [2019-10-15 01:21:01,775 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 492 500) the Hoare annotation is: true [2019-10-15 01:21:01,775 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2019-10-15 01:21:01,775 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-15 01:21:01,775 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:01,775 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:01,775 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:01,775 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2019-10-15 01:21:01,776 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2019-10-15 01:21:01,776 INFO L443 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2019-10-15 01:21:01,776 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2019-10-15 01:21:01,776 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2019-10-15 01:21:01,776 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2019-10-15 01:21:01,776 INFO L446 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: true [2019-10-15 01:21:01,776 INFO L446 ceAbstractionStarter]: At program point L638(lines 638 644) the Hoare annotation is: true [2019-10-15 01:21:01,776 INFO L446 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: true [2019-10-15 01:21:01,776 INFO L443 ceAbstractionStarter]: For program point L631(lines 630 649) no Hoare annotation was computed. [2019-10-15 01:21:01,777 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 627 650) the Hoare annotation is: true [2019-10-15 01:21:01,777 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2019-10-15 01:21:01,777 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 627 650) no Hoare annotation was computed. [2019-10-15 01:21:01,777 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-15 01:21:01,777 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 844 873) no Hoare annotation was computed. [2019-10-15 01:21:01,777 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 844 873) the Hoare annotation is: true [2019-10-15 01:21:01,777 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2019-10-15 01:21:01,778 INFO L446 ceAbstractionStarter]: At program point L858-1(lines 858 862) the Hoare annotation is: true [2019-10-15 01:21:01,778 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-15 01:21:01,778 INFO L446 ceAbstractionStarter]: At program point L854-2(lines 854 868) the Hoare annotation is: true [2019-10-15 01:21:01,778 INFO L446 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2019-10-15 01:21:01,778 INFO L443 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2019-10-15 01:21:01,778 INFO L446 ceAbstractionStarter]: At program point L869(lines 844 873) the Hoare annotation is: true [2019-10-15 01:21:01,778 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2019-10-15 01:21:01,778 INFO L443 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2019-10-15 01:21:01,778 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2019-10-15 01:21:01,779 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 898 904) no Hoare annotation was computed. [2019-10-15 01:21:01,779 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 898 904) the Hoare annotation is: true [2019-10-15 01:21:01,779 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:01,779 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:01,779 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:01,779 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:01,779 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2019-10-15 01:21:01,779 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2019-10-15 01:21:01,780 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2019-10-15 01:21:01,780 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:21:01,780 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-15 01:21:01,780 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:21:01,780 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-15 01:21:01,780 INFO L446 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: true [2019-10-15 01:21:01,780 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 659 683) no Hoare annotation was computed. [2019-10-15 01:21:01,781 INFO L446 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: true [2019-10-15 01:21:01,781 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2019-10-15 01:21:01,781 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 659 683) the Hoare annotation is: true [2019-10-15 01:21:01,781 INFO L446 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: true [2019-10-15 01:21:01,781 INFO L443 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2019-10-15 01:21:01,781 INFO L443 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2019-10-15 01:21:01,781 INFO L446 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: true [2019-10-15 01:21:01,781 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2019-10-15 01:21:01,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:01 BoogieIcfgContainer [2019-10-15 01:21:01,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:01,793 INFO L168 Benchmark]: Toolchain (without parser) took 6575.03 ms. Allocated memory was 136.3 MB in the beginning and 304.1 MB in the end (delta: 167.8 MB). Free memory was 100.2 MB in the beginning and 174.7 MB in the end (delta: -74.5 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:01,794 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:01,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.46 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 168.5 MB in the end (delta: -68.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:01,796 INFO L168 Benchmark]: Boogie Preprocessor took 95.82 ms. Allocated memory is still 199.8 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:01,797 INFO L168 Benchmark]: RCFGBuilder took 1130.41 ms. Allocated memory was 199.8 MB in the beginning and 229.1 MB in the end (delta: 29.4 MB). Free memory was 164.2 MB in the beginning and 196.0 MB in the end (delta: -31.8 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:01,797 INFO L168 Benchmark]: TraceAbstraction took 4520.55 ms. Allocated memory was 229.1 MB in the beginning and 304.1 MB in the end (delta: 75.0 MB). Free memory was 196.0 MB in the beginning and 174.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 96.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:01,802 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 823.46 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 168.5 MB in the end (delta: -68.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.82 ms. Allocated memory is still 199.8 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1130.41 ms. Allocated memory was 199.8 MB in the beginning and 229.1 MB in the end (delta: 29.4 MB). Free memory was 164.2 MB in the beginning and 196.0 MB in the end (delta: -31.8 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4520.55 ms. Allocated memory was 229.1 MB in the beginning and 304.1 MB in the end (delta: 75.0 MB). Free memory was 196.0 MB in the beginning and 174.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 96.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 726 SDtfs, 534 SDslu, 1720 SDs, 0 SdLazy, 570 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 721 PreInvPairs, 722 NumberOfFragments, 62 HoareAnnotationTreeSize, 721 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 78004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 61/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 144, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0804597701149425, 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...