/usr/bin/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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:31:51,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:31:51,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:31:51,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:31:51,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:31:51,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:31:51,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:31:51,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:31:51,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:31:51,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:31:51,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:31:51,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:31:51,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:31:51,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:31:51,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:31:51,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:31:51,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:31:51,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:31:51,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:31:51,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:31:51,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:31:51,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:31:51,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:31:51,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:31:51,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:31:51,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:31:51,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:31:51,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:31:51,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:31:51,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:31:51,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:31:51,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:31:51,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:31:51,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:31:51,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:31:51,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:31:51,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:31:51,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:31:51,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:31:51,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:31:51,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:31:51,914 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 [2019-11-07 04:31:51,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:31:51,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:31:51,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:31:51,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:31:51,932 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:31:51,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:31:51,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:31:51,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:31:51,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:31:51,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:31:51,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:31:51,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:31:51,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:31:51,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:31:51,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:31:51,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:31:51,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:31:51,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:31:51,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:31:51,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:31:51,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:31:51,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:31:51,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:31:51,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:31:51,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:31:51,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:31:51,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:31:51,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:31:51,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:31:52,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:31:52,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:31:52,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:31:52,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:31:52,264 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:31:52,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-11-07 04:31:52,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44c2baf66/902f13b7110346cf9514bd1343f81877/FLAG3d29dce10 [2019-11-07 04:31:52,881 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:31:52,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-11-07 04:31:52,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44c2baf66/902f13b7110346cf9514bd1343f81877/FLAG3d29dce10 [2019-11-07 04:31:53,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44c2baf66/902f13b7110346cf9514bd1343f81877 [2019-11-07 04:31:53,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:31:53,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:31:53,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:31:53,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:31:53,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:31:53,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:31:53" (1/1) ... [2019-11-07 04:31:53,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d6f478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53, skipping insertion in model container [2019-11-07 04:31:53,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:31:53" (1/1) ... [2019-11-07 04:31:53,260 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:31:53,355 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:31:53,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:31:53,828 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:31:53,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:31:53,960 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:31:53,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53 WrapperNode [2019-11-07 04:31:53,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:31:53,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:31:53,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:31:53,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:31:53,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53" (1/1) ... [2019-11-07 04:31:53,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53" (1/1) ... [2019-11-07 04:31:53,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53" (1/1) ... [2019-11-07 04:31:53,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53" (1/1) ... [2019-11-07 04:31:54,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53" (1/1) ... [2019-11-07 04:31:54,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53" (1/1) ... [2019-11-07 04:31:54,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53" (1/1) ... [2019-11-07 04:31:54,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:31:54,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:31:54,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:31:54,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:31:54,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53" (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 [2019-11-07 04:31:54,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:31:54,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:31:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:31:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:31:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:31:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:31:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:31:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:31:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:31:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:31:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 04:31:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:31:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:31:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:31:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:31:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:31:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:31:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:31:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-07 04:31:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:31:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:31:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:31:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:31:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:31:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:31:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:31:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:31:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:31:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:31:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:31:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:31:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:31:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:31:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:31:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:31:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:31:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:31:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:31:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:31:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:31:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:31:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:31:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:31:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:31:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:31:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:31:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:31:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:31:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:31:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:31:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:31:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:31:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:31:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:31:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-07 04:31:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:31:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:31:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:31:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 04:31:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:31:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:31:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:31:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:31:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:31:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:31:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:31:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:31:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:31:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:31:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:31:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:31:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:31:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:31:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:31:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:31:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:31:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:31:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:31:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:31:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:31:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:31:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:31:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:31:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:31:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:31:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:31:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:31:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:31:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:31:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:31:55,646 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:31:55,646 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:31:55,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:31:55 BoogieIcfgContainer [2019-11-07 04:31:55,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:31:55,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:31:55,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:31:55,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:31:55,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:31:53" (1/3) ... [2019-11-07 04:31:55,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f6ed69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:31:55, skipping insertion in model container [2019-11-07 04:31:55,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:31:53" (2/3) ... [2019-11-07 04:31:55,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f6ed69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:31:55, skipping insertion in model container [2019-11-07 04:31:55,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:31:55" (3/3) ... [2019-11-07 04:31:55,656 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2019-11-07 04:31:55,666 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:31:55,677 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:31:55,689 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:31:55,732 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:31:55,732 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:31:55,732 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:31:55,733 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:31:55,733 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:31:55,733 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:31:55,733 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:31:55,733 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:31:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-11-07 04:31:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:31:55,775 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:31:55,776 INFO L410 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] [2019-11-07 04:31:55,779 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:31:55,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:31:55,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1733841004, now seen corresponding path program 1 times [2019-11-07 04:31:55,796 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:31:55,797 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627139206] [2019-11-07 04:31:55,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:31:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:31:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:31:56,146 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627139206] [2019-11-07 04:31:56,147 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:31:56,147 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:31:56,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138042831] [2019-11-07 04:31:56,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:31:56,156 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:31:56,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:31:56,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:31:56,174 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-11-07 04:31:56,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:31:56,217 INFO L93 Difference]: Finished difference Result 207 states and 248 transitions. [2019-11-07 04:31:56,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:31:56,219 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-11-07 04:31:56,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:31:56,239 INFO L225 Difference]: With dead ends: 207 [2019-11-07 04:31:56,240 INFO L226 Difference]: Without dead ends: 104 [2019-11-07 04:31:56,251 INFO L630 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 [2019-11-07 04:31:56,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-07 04:31:56,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-11-07 04:31:56,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-07 04:31:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2019-11-07 04:31:56,313 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 47 [2019-11-07 04:31:56,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:31:56,314 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2019-11-07 04:31:56,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:31:56,314 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2019-11-07 04:31:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-07 04:31:56,317 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:31:56,318 INFO L410 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] [2019-11-07 04:31:56,318 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:31:56,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:31:56,318 INFO L82 PathProgramCache]: Analyzing trace with hash 882738946, now seen corresponding path program 1 times [2019-11-07 04:31:56,319 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:31:56,319 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373290774] [2019-11-07 04:31:56,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:31:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:31:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:31:56,485 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373290774] [2019-11-07 04:31:56,486 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:31:56,486 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:31:56,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661356569] [2019-11-07 04:31:56,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:31:56,488 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:31:56,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:31:56,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:31:56,489 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 3 states. [2019-11-07 04:31:56,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:31:56,510 INFO L93 Difference]: Finished difference Result 165 states and 187 transitions. [2019-11-07 04:31:56,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:31:56,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-11-07 04:31:56,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:31:56,513 INFO L225 Difference]: With dead ends: 165 [2019-11-07 04:31:56,513 INFO L226 Difference]: Without dead ends: 96 [2019-11-07 04:31:56,515 INFO L630 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 [2019-11-07 04:31:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-11-07 04:31:56,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-11-07 04:31:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-07 04:31:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 107 transitions. [2019-11-07 04:31:56,530 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 107 transitions. Word has length 48 [2019-11-07 04:31:56,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:31:56,530 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 107 transitions. [2019-11-07 04:31:56,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:31:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2019-11-07 04:31:56,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 04:31:56,533 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:31:56,533 INFO L410 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] [2019-11-07 04:31:56,533 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:31:56,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:31:56,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1114597838, now seen corresponding path program 1 times [2019-11-07 04:31:56,534 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:31:56,534 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278425399] [2019-11-07 04:31:56,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:31:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:31:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:31:56,762 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278425399] [2019-11-07 04:31:56,788 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:31:56,788 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:31:56,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816471991] [2019-11-07 04:31:56,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:31:56,789 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:31:56,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:31:56,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:31:56,791 INFO L87 Difference]: Start difference. First operand 96 states and 107 transitions. Second operand 7 states. [2019-11-07 04:31:57,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:31:57,123 INFO L93 Difference]: Finished difference Result 170 states and 193 transitions. [2019-11-07 04:31:57,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:31:57,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-07 04:31:57,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:31:57,126 INFO L225 Difference]: With dead ends: 170 [2019-11-07 04:31:57,126 INFO L226 Difference]: Without dead ends: 96 [2019-11-07 04:31:57,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:31:57,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-11-07 04:31:57,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-11-07 04:31:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-07 04:31:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2019-11-07 04:31:57,157 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 50 [2019-11-07 04:31:57,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:31:57,157 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2019-11-07 04:31:57,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:31:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2019-11-07 04:31:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-07 04:31:57,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:31:57,166 INFO L410 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] [2019-11-07 04:31:57,166 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:31:57,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:31:57,167 INFO L82 PathProgramCache]: Analyzing trace with hash 721482305, now seen corresponding path program 1 times [2019-11-07 04:31:57,167 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:31:57,168 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830602862] [2019-11-07 04:31:57,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:31:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:31:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:31:57,317 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830602862] [2019-11-07 04:31:57,317 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:31:57,317 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:31:57,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874102504] [2019-11-07 04:31:57,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:31:57,318 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:31:57,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:31:57,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:31:57,319 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand 5 states. [2019-11-07 04:31:57,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:31:57,759 INFO L93 Difference]: Finished difference Result 253 states and 293 transitions. [2019-11-07 04:31:57,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:31:57,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-07 04:31:57,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:31:57,762 INFO L225 Difference]: With dead ends: 253 [2019-11-07 04:31:57,762 INFO L226 Difference]: Without dead ends: 179 [2019-11-07 04:31:57,763 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:31:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-07 04:31:57,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 164. [2019-11-07 04:31:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-07 04:31:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2019-11-07 04:31:57,801 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 58 [2019-11-07 04:31:57,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:31:57,804 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2019-11-07 04:31:57,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:31:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2019-11-07 04:31:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-07 04:31:57,808 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:31:57,812 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:31:57,812 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:31:57,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:31:57,813 INFO L82 PathProgramCache]: Analyzing trace with hash 969049810, now seen corresponding path program 1 times [2019-11-07 04:31:57,813 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:31:57,813 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066104182] [2019-11-07 04:31:57,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:31:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:31:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:31:57,927 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066104182] [2019-11-07 04:31:57,928 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:31:57,928 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:31:57,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246662177] [2019-11-07 04:31:57,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:31:57,929 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:31:57,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:31:57,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:31:57,930 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 6 states. [2019-11-07 04:31:58,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:31:58,165 INFO L93 Difference]: Finished difference Result 406 states and 466 transitions. [2019-11-07 04:31:58,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:31:58,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-11-07 04:31:58,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:31:58,170 INFO L225 Difference]: With dead ends: 406 [2019-11-07 04:31:58,170 INFO L226 Difference]: Without dead ends: 264 [2019-11-07 04:31:58,171 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:31:58,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-11-07 04:31:58,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 254. [2019-11-07 04:31:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-11-07 04:31:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 285 transitions. [2019-11-07 04:31:58,207 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 285 transitions. Word has length 67 [2019-11-07 04:31:58,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:31:58,207 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 285 transitions. [2019-11-07 04:31:58,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:31:58,208 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 285 transitions. [2019-11-07 04:31:58,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-07 04:31:58,210 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:31:58,210 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:31:58,210 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:31:58,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:31:58,211 INFO L82 PathProgramCache]: Analyzing trace with hash -281134655, now seen corresponding path program 1 times [2019-11-07 04:31:58,211 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:31:58,212 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191322117] [2019-11-07 04:31:58,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:31:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:31:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:31:58,459 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191322117] [2019-11-07 04:31:58,459 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:31:58,460 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-07 04:31:58,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476805540] [2019-11-07 04:31:58,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-07 04:31:58,461 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:31:58,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-07 04:31:58,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-07 04:31:58,462 INFO L87 Difference]: Start difference. First operand 254 states and 285 transitions. Second operand 14 states. [2019-11-07 04:31:58,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:31:58,943 INFO L93 Difference]: Finished difference Result 503 states and 581 transitions. [2019-11-07 04:31:58,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 04:31:58,945 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 70 [2019-11-07 04:31:58,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:31:58,948 INFO L225 Difference]: With dead ends: 503 [2019-11-07 04:31:58,948 INFO L226 Difference]: Without dead ends: 361 [2019-11-07 04:31:58,950 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-11-07 04:31:58,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2019-11-07 04:31:58,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 341. [2019-11-07 04:31:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-11-07 04:31:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 388 transitions. [2019-11-07 04:31:58,984 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 388 transitions. Word has length 70 [2019-11-07 04:31:58,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:31:58,984 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 388 transitions. [2019-11-07 04:31:58,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-07 04:31:58,985 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 388 transitions. [2019-11-07 04:31:58,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-07 04:31:58,987 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:31:58,987 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:31:58,987 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:31:58,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:31:58,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1237609812, now seen corresponding path program 1 times [2019-11-07 04:31:58,988 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:31:58,988 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475083196] [2019-11-07 04:31:58,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:31:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:31:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:31:59,091 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475083196] [2019-11-07 04:31:59,091 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26049117] [2019-11-07 04:31:59,091 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 [2019-11-07 04:31:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:31:59,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-07 04:31:59,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:31:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:31:59,413 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:31:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:31:59,836 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:31:59,836 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-11-07 04:31:59,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040607455] [2019-11-07 04:31:59,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 04:31:59,837 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:31:59,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 04:31:59,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-07 04:31:59,838 INFO L87 Difference]: Start difference. First operand 341 states and 388 transitions. Second operand 8 states. [2019-11-07 04:32:00,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:00,217 INFO L93 Difference]: Finished difference Result 943 states and 1096 transitions. [2019-11-07 04:32:00,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:32:00,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2019-11-07 04:32:00,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:00,224 INFO L225 Difference]: With dead ends: 943 [2019-11-07 04:32:00,224 INFO L226 Difference]: Without dead ends: 624 [2019-11-07 04:32:00,226 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-07 04:32:00,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2019-11-07 04:32:00,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 609. [2019-11-07 04:32:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2019-11-07 04:32:00,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 695 transitions. [2019-11-07 04:32:00,273 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 695 transitions. Word has length 80 [2019-11-07 04:32:00,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:00,274 INFO L462 AbstractCegarLoop]: Abstraction has 609 states and 695 transitions. [2019-11-07 04:32:00,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 04:32:00,274 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 695 transitions. [2019-11-07 04:32:00,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-07 04:32:00,277 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:00,277 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:00,481 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:32:00,482 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:00,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:00,483 INFO L82 PathProgramCache]: Analyzing trace with hash -2036277785, now seen corresponding path program 1 times [2019-11-07 04:32:00,484 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:00,484 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726016050] [2019-11-07 04:32:00,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:32:00,659 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726016050] [2019-11-07 04:32:00,659 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:00,659 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-07 04:32:00,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693624492] [2019-11-07 04:32:00,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-07 04:32:00,660 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:00,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-07 04:32:00,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:32:00,661 INFO L87 Difference]: Start difference. First operand 609 states and 695 transitions. Second operand 12 states. [2019-11-07 04:32:01,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:01,973 INFO L93 Difference]: Finished difference Result 1226 states and 1431 transitions. [2019-11-07 04:32:01,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 04:32:01,974 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2019-11-07 04:32:01,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:01,980 INFO L225 Difference]: With dead ends: 1226 [2019-11-07 04:32:01,980 INFO L226 Difference]: Without dead ends: 907 [2019-11-07 04:32:01,982 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2019-11-07 04:32:01,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2019-11-07 04:32:02,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 875. [2019-11-07 04:32:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2019-11-07 04:32:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 996 transitions. [2019-11-07 04:32:02,035 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 996 transitions. Word has length 83 [2019-11-07 04:32:02,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:02,036 INFO L462 AbstractCegarLoop]: Abstraction has 875 states and 996 transitions. [2019-11-07 04:32:02,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-07 04:32:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 996 transitions. [2019-11-07 04:32:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-07 04:32:02,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:02,038 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:02,039 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:02,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:02,039 INFO L82 PathProgramCache]: Analyzing trace with hash 549778757, now seen corresponding path program 1 times [2019-11-07 04:32:02,040 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:02,040 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282760757] [2019-11-07 04:32:02,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:32:02,144 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282760757] [2019-11-07 04:32:02,144 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:02,144 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:32:02,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007869029] [2019-11-07 04:32:02,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:32:02,145 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:02,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:32:02,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:32:02,146 INFO L87 Difference]: Start difference. First operand 875 states and 996 transitions. Second operand 10 states. [2019-11-07 04:32:02,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:02,443 INFO L93 Difference]: Finished difference Result 1738 states and 1980 transitions. [2019-11-07 04:32:02,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 04:32:02,445 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-11-07 04:32:02,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:02,448 INFO L225 Difference]: With dead ends: 1738 [2019-11-07 04:32:02,448 INFO L226 Difference]: Without dead ends: 458 [2019-11-07 04:32:02,451 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:32:02,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-11-07 04:32:02,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 440. [2019-11-07 04:32:02,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2019-11-07 04:32:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 479 transitions. [2019-11-07 04:32:02,488 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 479 transitions. Word has length 83 [2019-11-07 04:32:02,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:02,488 INFO L462 AbstractCegarLoop]: Abstraction has 440 states and 479 transitions. [2019-11-07 04:32:02,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:32:02,489 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 479 transitions. [2019-11-07 04:32:02,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-07 04:32:02,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:02,491 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:02,492 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:02,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:02,492 INFO L82 PathProgramCache]: Analyzing trace with hash 807738412, now seen corresponding path program 1 times [2019-11-07 04:32:02,492 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:02,492 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155476512] [2019-11-07 04:32:02,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:32:02,769 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155476512] [2019-11-07 04:32:02,769 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630430528] [2019-11-07 04:32:02,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:32:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:02,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-07 04:32:02,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:32:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-07 04:32:03,066 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:32:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 04:32:03,555 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:32:03,555 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15, 11] total 24 [2019-11-07 04:32:03,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865025813] [2019-11-07 04:32:03,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 04:32:03,556 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:03,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 04:32:03,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2019-11-07 04:32:03,557 INFO L87 Difference]: Start difference. First operand 440 states and 479 transitions. Second operand 11 states. [2019-11-07 04:32:04,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:04,132 INFO L93 Difference]: Finished difference Result 1024 states and 1154 transitions. [2019-11-07 04:32:04,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 04:32:04,133 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2019-11-07 04:32:04,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:04,134 INFO L225 Difference]: With dead ends: 1024 [2019-11-07 04:32:04,134 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:32:04,137 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=744, Unknown=0, NotChecked=0, Total=870 [2019-11-07 04:32:04,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:32:04,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:32:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:32:04,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:32:04,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2019-11-07 04:32:04,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:04,139 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:32:04,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 04:32:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:32:04,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:32:04,345 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:32:04,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:32:05,563 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2019-11-07 04:32:05,814 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 20 [2019-11-07 04:32:05,925 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-11-07 04:32:06,440 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-11-07 04:32:06,594 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 17 [2019-11-07 04:32:07,211 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2019-11-07 04:32:07,588 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2019-11-07 04:32:07,849 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-11-07 04:32:07,849 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2019-11-07 04:32:07,850 INFO L443 ceAbstractionStarter]: For program point L651(lines 628 652) no Hoare annotation was computed. [2019-11-07 04:32:07,850 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2019-11-07 04:32:07,850 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2019-11-07 04:32:07,850 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-11-07 04:32:07,850 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-11-07 04:32:07,850 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2019-11-07 04:32:07,850 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-11-07 04:32:07,851 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2019-11-07 04:32:07,851 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2019-11-07 04:32:07,851 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2019-11-07 04:32:07,851 INFO L443 ceAbstractionStarter]: For program point L712(lines 685 713) no Hoare annotation was computed. [2019-11-07 04:32:07,852 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 04:32:07,852 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 04:32:07,852 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 04:32:07,852 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 04:32:07,852 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:32:07,854 INFO L439 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:32:07,855 INFO L439 ceAbstractionStarter]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:32:07,855 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2019-11-07 04:32:07,855 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2019-11-07 04:32:07,855 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2019-11-07 04:32:07,855 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-07 04:32:07,855 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:32:07,855 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:32:07,857 INFO L439 ceAbstractionStarter]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:32:07,857 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2019-11-07 04:32:07,857 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2019-11-07 04:32:07,858 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2019-11-07 04:32:07,858 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-07 04:32:07,858 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-11-07 04:32:07,858 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-07 04:32:07,858 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-07 04:32:07,858 INFO L443 ceAbstractionStarter]: For program point L501(line 501) no Hoare annotation was computed. [2019-11-07 04:32:07,858 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-07 04:32:07,859 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-07 04:32:07,859 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-11-07 04:32:07,859 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-07 04:32:07,859 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-07 04:32:07,859 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-11-07 04:32:07,859 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-07 04:32:07,859 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-07 04:32:07,859 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-11-07 04:32:07,860 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2019-11-07 04:32:07,860 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2019-11-07 04:32:07,860 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-11-07 04:32:07,860 INFO L443 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2019-11-07 04:32:07,860 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2019-11-07 04:32:07,860 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2019-11-07 04:32:07,860 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 04:32:07,860 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 04:32:07,860 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2019-11-07 04:32:07,861 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2019-11-07 04:32:07,861 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2019-11-07 04:32:07,861 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2019-11-07 04:32:07,861 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:32:07,862 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2019-11-07 04:32:07,862 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2019-11-07 04:32:07,862 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2019-11-07 04:32:07,862 INFO L446 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2019-11-07 04:32:07,862 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2019-11-07 04:32:07,862 INFO L443 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2019-11-07 04:32:07,862 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2019-11-07 04:32:07,862 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2019-11-07 04:32:07,862 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2019-11-07 04:32:07,863 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2019-11-07 04:32:07,863 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-11-07 04:32:07,863 INFO L443 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2019-11-07 04:32:07,863 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2019-11-07 04:32:07,863 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2019-11-07 04:32:07,863 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-11-07 04:32:07,863 INFO L439 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-11-07 04:32:07,863 INFO L443 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2019-11-07 04:32:07,864 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-11-07 04:32:07,864 INFO L439 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (and (or (= 1 processEnvironment_~tmp~0) (not (= ~waterLevel~0 2))) (= ~pumpRunning~0 0)) .cse0))) [2019-11-07 04:32:07,864 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2019-11-07 04:32:07,864 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2019-11-07 04:32:07,864 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2019-11-07 04:32:07,864 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:32:07,865 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse2 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (= 1 ~methaneLevelCritical~0)) (.cse1 (and .cse2 (= ~pumpRunning~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) (and .cse0 .cse2 .cse3) (and .cse1 .cse4) (not (= ~systemActive~0 1)) (and .cse4 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2019-11-07 04:32:07,865 INFO L439 ceAbstractionStarter]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (not (= ~systemActive~0 1)) (and .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4))) [2019-11-07 04:32:07,865 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-11-07 04:32:07,866 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2019-11-07 04:32:07,866 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2019-11-07 04:32:07,866 INFO L439 ceAbstractionStarter]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:32:07,866 INFO L439 ceAbstractionStarter]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse3 .cse1 .cse4) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4))) [2019-11-07 04:32:07,866 INFO L443 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2019-11-07 04:32:07,867 INFO L439 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse2 (and (= 0 ~methaneLevelCritical~0) .cse1)) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse3) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:32:07,867 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-11-07 04:32:07,867 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2019-11-07 04:32:07,867 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2019-11-07 04:32:07,867 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2019-11-07 04:32:07,867 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2019-11-07 04:32:07,867 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:32:07,868 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2019-11-07 04:32:07,868 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2019-11-07 04:32:07,868 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2019-11-07 04:32:07,868 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:32:07,868 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:32:07,868 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 809) no Hoare annotation was computed. [2019-11-07 04:32:07,868 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2019-11-07 04:32:07,868 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-11-07 04:32:07,868 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-11-07 04:32:07,869 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 750) no Hoare annotation was computed. [2019-11-07 04:32:07,869 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2019-11-07 04:32:07,869 INFO L443 ceAbstractionStarter]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2019-11-07 04:32:07,869 INFO L443 ceAbstractionStarter]: For program point L792(lines 770 793) no Hoare annotation was computed. [2019-11-07 04:32:07,869 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2019-11-07 04:32:07,869 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 767) no Hoare annotation was computed. [2019-11-07 04:32:07,869 INFO L443 ceAbstractionStarter]: For program point L772(lines 771 791) no Hoare annotation was computed. [2019-11-07 04:32:07,869 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-11-07 04:32:07,870 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-11-07 04:32:07,870 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-11-07 04:32:07,870 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:07,870 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-11-07 04:32:07,870 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2019-11-07 04:32:07,870 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:32:07,870 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-11-07 04:32:07,871 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2019-11-07 04:32:07,871 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-11-07 04:32:07,871 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:32:07,871 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2019-11-07 04:32:07,871 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2019-11-07 04:32:07,871 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-11-07 04:32:07,871 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-11-07 04:32:07,871 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2019-11-07 04:32:07,872 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2019-11-07 04:32:07,872 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse1 .cse0 (not (= 1 ~pumpRunning~0))))) [2019-11-07 04:32:07,872 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2019-11-07 04:32:07,872 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:07,872 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:32:07,872 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2019-11-07 04:32:07,873 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2019-11-07 04:32:07,873 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-11-07 04:32:07,873 INFO L443 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2019-11-07 04:32:07,873 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 2))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 1) .cse1) (or .cse2 .cse1 (= ~pumpRunning~0 0)) (or .cse3 .cse4 .cse2 .cse1) (or .cse5 .cse0 .cse1 .cse6) (or .cse2 .cse5 .cse1 .cse6) (or .cse4 .cse0 .cse3 .cse1))) [2019-11-07 04:32:07,873 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2019-11-07 04:32:07,874 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or (not (= ~waterLevel~0 2)) (= |old(~waterLevel~0)| 2) .cse0 .cse1) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)))) [2019-11-07 04:32:07,874 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2019-11-07 04:32:07,874 INFO L439 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (or .cse3 (= |old(~waterLevel~0)| 2) .cse0 .cse2) (or .cse0 (= 1 ~waterLevel~0) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1) (or .cse3 (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1))) [2019-11-07 04:32:07,874 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2019-11-07 04:32:07,874 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-07 04:32:07,874 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2019-11-07 04:32:07,875 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-11-07 04:32:07,875 INFO L446 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2019-11-07 04:32:07,875 INFO L446 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2019-11-07 04:32:07,875 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-11-07 04:32:07,875 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-11-07 04:32:07,875 INFO L446 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2019-11-07 04:32:07,876 INFO L439 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1) (or (= ~waterLevel~0 2) .cse0 .cse1) (or (not (= 1 ~pumpRunning~0)) .cse1))) [2019-11-07 04:32:07,876 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2019-11-07 04:32:07,876 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-11-07 04:32:07,876 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2019-11-07 04:32:07,876 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~waterLevel~0 2)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 .cse4 .cse2) (or .cse1 .cse4 .cse2))) [2019-11-07 04:32:07,876 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-11-07 04:32:07,877 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-11-07 04:32:07,877 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2019-11-07 04:32:07,877 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-11-07 04:32:07,877 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-11-07 04:32:07,877 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2019-11-07 04:32:07,878 INFO L446 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2019-11-07 04:32:07,878 INFO L443 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2019-11-07 04:32:07,879 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: true [2019-11-07 04:32:07,879 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2019-11-07 04:32:07,879 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2019-11-07 04:32:07,879 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2019-11-07 04:32:07,879 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:07,879 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-07 04:32:07,880 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:32:07,880 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:32:07,880 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2019-11-07 04:32:07,880 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: true [2019-11-07 04:32:07,880 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-11-07 04:32:07,880 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2019-11-07 04:32:07,881 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2019-11-07 04:32:07,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:32:07 BoogieIcfgContainer [2019-11-07 04:32:07,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:32:07,920 INFO L168 Benchmark]: Toolchain (without parser) took 14706.21 ms. Allocated memory was 137.9 MB in the beginning and 448.8 MB in the end (delta: 310.9 MB). Free memory was 101.5 MB in the beginning and 276.4 MB in the end (delta: -174.8 MB). Peak memory consumption was 270.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:07,922 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 04:32:07,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.49 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 169.1 MB in the end (delta: -67.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:07,929 INFO L168 Benchmark]: Boogie Preprocessor took 87.30 ms. Allocated memory is still 201.3 MB. Free memory was 169.1 MB in the beginning and 165.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:07,935 INFO L168 Benchmark]: RCFGBuilder took 1598.26 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 165.1 MB in the beginning and 148.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:07,936 INFO L168 Benchmark]: TraceAbstraction took 12264.51 ms. Allocated memory was 233.3 MB in the beginning and 448.8 MB in the end (delta: 215.5 MB). Free memory was 148.4 MB in the beginning and 276.4 MB in the end (delta: -127.9 MB). Peak memory consumption was 222.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:07,940 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 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.49 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 169.1 MB in the end (delta: -67.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.30 ms. Allocated memory is still 201.3 MB. Free memory was 169.1 MB in the beginning and 165.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1598.26 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 165.1 MB in the beginning and 148.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12264.51 ms. Allocated memory was 233.3 MB in the beginning and 448.8 MB in the end (delta: 215.5 MB). Free memory was 148.4 MB in the beginning and 276.4 MB in the end (delta: -127.9 MB). Peak memory consumption was 222.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0)) || ((1 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 1)) || !(systemActive == 1)) || ((1 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 176 locations, 1 error locations. Result: SAFE, OverallTime: 12.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, HoareTripleCheckerStatistics: 1225 SDtfs, 1009 SDslu, 4255 SDs, 0 SdLazy, 2163 SolverSat, 588 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 553 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=875occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 110 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1642 PreInvPairs, 1759 NumberOfFragments, 1093 HoareAnnotationTreeSize, 1642 FomulaSimplifications, 3585 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 9352 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 912 NumberOfCodeBlocks, 912 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1101 ConstructedInterpolants, 0 QuantifiedInterpolants, 175262 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1569 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 108/121 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...