/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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:58:22,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:58:22,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:58:22,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:58:22,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:58:22,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:58:22,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:58:22,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:58:22,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:58:22,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:58:22,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:58:22,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:58:22,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:58:22,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:58:22,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:58:22,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:58:22,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:58:22,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:58:22,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:58:23,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:58:23,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:58:23,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:58:23,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:58:23,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:58:23,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:58:23,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:58:23,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:58:23,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:58:23,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:58:23,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:58:23,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:58:23,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:58:23,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:58:23,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:58:23,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:58:23,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:58:23,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:58:23,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:58:23,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:58:23,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:58:23,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:58:23,025 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 00:58:23,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:58:23,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:58:23,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:58:23,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:58:23,044 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:58:23,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:58:23,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:58:23,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:58:23,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:58:23,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:58:23,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:58:23,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:58:23,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:58:23,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:58:23,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:58:23,047 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:58:23,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:58:23,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:58:23,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:58:23,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:58:23,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:58:23,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:58:23,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:58:23,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:58:23,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:58:23,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:58:23,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:58:23,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:58:23,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:58:23,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:58:23,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:58:23,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:58:23,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:58:23,367 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:58:23,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-11-07 00:58:23,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/740c9bd5b/0ea36030bea4493a91bc0614b4455004/FLAGff8a55c7e [2019-11-07 00:58:23,936 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:58:23,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-11-07 00:58:23,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/740c9bd5b/0ea36030bea4493a91bc0614b4455004/FLAGff8a55c7e [2019-11-07 00:58:24,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/740c9bd5b/0ea36030bea4493a91bc0614b4455004 [2019-11-07 00:58:24,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:58:24,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:58:24,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:58:24,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:58:24,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:58:24,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:58:24" (1/1) ... [2019-11-07 00:58:24,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237c4ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24, skipping insertion in model container [2019-11-07 00:58:24,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:58:24" (1/1) ... [2019-11-07 00:58:24,301 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:58:24,348 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:58:24,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:58:24,841 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:58:24,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:58:24,997 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:58:24,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24 WrapperNode [2019-11-07 00:58:24,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:58:24,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:58:24,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:58:24,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:58:25,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24" (1/1) ... [2019-11-07 00:58:25,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24" (1/1) ... [2019-11-07 00:58:25,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24" (1/1) ... [2019-11-07 00:58:25,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24" (1/1) ... [2019-11-07 00:58:25,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24" (1/1) ... [2019-11-07 00:58:25,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24" (1/1) ... [2019-11-07 00:58:25,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24" (1/1) ... [2019-11-07 00:58:25,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:58:25,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:58:25,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:58:25,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:58:25,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24" (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 00:58:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:58:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:58:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:58:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 00:58:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:58:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:58:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:58:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:58:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:58:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:58:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:58:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:58:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:58:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:58:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:58:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 00:58:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 00:58:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 00:58:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 00:58:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 00:58:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 00:58:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 00:58:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 00:58:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 00:58:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 00:58:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 00:58:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 00:58:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 00:58:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 00:58:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:58:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 00:58:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:58:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 00:58:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 00:58:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 00:58:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 00:58:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 00:58:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 00:58:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 00:58:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 00:58:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:58:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:58:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:58:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:58:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:58:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 00:58:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 00:58:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 00:58:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:58:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:58:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:58:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:58:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:58:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:58:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:58:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:58:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:58:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:58:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:58:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:58:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:58:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:58:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:58:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:58:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:58:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:58:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:58:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:58:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:58:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 00:58:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 00:58:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 00:58:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 00:58:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:58:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 00:58:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 00:58:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 00:58:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 00:58:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 00:58:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 00:58:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 00:58:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 00:58:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 00:58:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 00:58:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 00:58:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 00:58:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 00:58:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 00:58:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 00:58:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:58:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 00:58:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:58:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 00:58:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:58:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:58:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:58:26,277 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:58:26,278 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 00:58:26,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:26 BoogieIcfgContainer [2019-11-07 00:58:26,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:58:26,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:58:26,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:58:26,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:58:26,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:58:24" (1/3) ... [2019-11-07 00:58:26,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0423e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:26, skipping insertion in model container [2019-11-07 00:58:26,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:24" (2/3) ... [2019-11-07 00:58:26,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0423e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:26, skipping insertion in model container [2019-11-07 00:58:26,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:26" (3/3) ... [2019-11-07 00:58:26,292 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-11-07 00:58:26,302 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:58:26,313 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:58:26,326 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:58:26,365 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:58:26,365 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:58:26,366 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:58:26,366 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:58:26,366 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:58:26,366 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:58:26,366 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:58:26,367 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:58:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-11-07 00:58:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 00:58:26,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:26,412 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] [2019-11-07 00:58:26,417 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:26,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:26,425 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2019-11-07 00:58:26,436 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:26,437 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328121382] [2019-11-07 00:58:26,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:26,791 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 00:58:26,792 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328121382] [2019-11-07 00:58:26,793 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:26,793 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 00:58:26,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360460966] [2019-11-07 00:58:26,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:58:26,808 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:26,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 00:58:26,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:58:26,827 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-11-07 00:58:26,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:26,921 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2019-11-07 00:58:26,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:58:26,923 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 00:58:26,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:26,953 INFO L225 Difference]: With dead ends: 280 [2019-11-07 00:58:26,953 INFO L226 Difference]: Without dead ends: 140 [2019-11-07 00:58:26,962 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 00:58:26,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-07 00:58:27,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-11-07 00:58:27,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-07 00:58:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-11-07 00:58:27,063 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2019-11-07 00:58:27,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:27,064 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-11-07 00:58:27,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:58:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-11-07 00:58:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 00:58:27,070 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:27,070 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 00:58:27,070 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:27,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:27,071 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2019-11-07 00:58:27,071 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:27,071 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742909607] [2019-11-07 00:58:27,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:27,260 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 00:58:27,261 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742909607] [2019-11-07 00:58:27,261 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:27,261 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:58:27,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845023911] [2019-11-07 00:58:27,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:58:27,264 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:27,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:58:27,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:58:27,265 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2019-11-07 00:58:27,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:27,286 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2019-11-07 00:58:27,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:58:27,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 00:58:27,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:27,289 INFO L225 Difference]: With dead ends: 229 [2019-11-07 00:58:27,289 INFO L226 Difference]: Without dead ends: 131 [2019-11-07 00:58:27,291 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 00:58:27,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-07 00:58:27,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-07 00:58:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-07 00:58:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2019-11-07 00:58:27,304 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2019-11-07 00:58:27,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:27,304 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2019-11-07 00:58:27,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:58:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2019-11-07 00:58:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:58:27,308 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:27,309 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] [2019-11-07 00:58:27,309 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:27,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:27,309 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2019-11-07 00:58:27,310 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:27,310 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742937045] [2019-11-07 00:58:27,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:27,482 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 00:58:27,483 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742937045] [2019-11-07 00:58:27,483 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:27,483 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:58:27,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294275520] [2019-11-07 00:58:27,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:58:27,484 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:27,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:58:27,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:58:27,485 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2019-11-07 00:58:27,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:27,877 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2019-11-07 00:58:27,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:58:27,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-11-07 00:58:27,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:27,884 INFO L225 Difference]: With dead ends: 238 [2019-11-07 00:58:27,884 INFO L226 Difference]: Without dead ends: 131 [2019-11-07 00:58:27,888 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 00:58:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-07 00:58:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-07 00:58:27,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-07 00:58:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2019-11-07 00:58:27,918 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2019-11-07 00:58:27,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:27,919 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2019-11-07 00:58:27,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:58:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2019-11-07 00:58:27,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 00:58:27,927 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:27,927 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] [2019-11-07 00:58:27,927 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:27,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:27,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2019-11-07 00:58:27,928 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:27,928 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092150139] [2019-11-07 00:58:27,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:28,085 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 00:58:28,086 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092150139] [2019-11-07 00:58:28,086 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:28,086 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:58:28,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976173262] [2019-11-07 00:58:28,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:58:28,088 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:28,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:58:28,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:58:28,089 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2019-11-07 00:58:28,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:28,590 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2019-11-07 00:58:28,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:58:28,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-11-07 00:58:28,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:28,594 INFO L225 Difference]: With dead ends: 334 [2019-11-07 00:58:28,594 INFO L226 Difference]: Without dead ends: 227 [2019-11-07 00:58:28,595 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:58:28,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-11-07 00:58:28,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2019-11-07 00:58:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-11-07 00:58:28,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2019-11-07 00:58:28,635 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2019-11-07 00:58:28,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:28,636 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2019-11-07 00:58:28,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:58:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2019-11-07 00:58:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-07 00:58:28,640 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:28,641 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:28,641 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:28,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:28,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2019-11-07 00:58:28,642 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:28,642 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818949532] [2019-11-07 00:58:28,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:28,751 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 00:58:28,752 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818949532] [2019-11-07 00:58:28,752 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:28,752 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:58:28,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232062781] [2019-11-07 00:58:28,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:58:28,754 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:28,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:58:28,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:58:28,755 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2019-11-07 00:58:29,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:29,007 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2019-11-07 00:58:29,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:29,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-11-07 00:58:29,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:29,018 INFO L225 Difference]: With dead ends: 564 [2019-11-07 00:58:29,018 INFO L226 Difference]: Without dead ends: 379 [2019-11-07 00:58:29,020 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 00:58:29,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-11-07 00:58:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2019-11-07 00:58:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-11-07 00:58:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2019-11-07 00:58:29,072 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2019-11-07 00:58:29,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:29,072 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2019-11-07 00:58:29,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:58:29,073 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2019-11-07 00:58:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-07 00:58:29,075 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:29,075 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:29,075 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:29,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:29,076 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2019-11-07 00:58:29,076 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:29,076 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074871348] [2019-11-07 00:58:29,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:29,206 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 00:58:29,207 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074871348] [2019-11-07 00:58:29,207 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:29,208 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:58:29,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339377309] [2019-11-07 00:58:29,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:58:29,210 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:29,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:58:29,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:58:29,210 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2019-11-07 00:58:29,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:29,810 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2019-11-07 00:58:29,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 00:58:29,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-11-07 00:58:29,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:29,817 INFO L225 Difference]: With dead ends: 406 [2019-11-07 00:58:29,818 INFO L226 Difference]: Without dead ends: 403 [2019-11-07 00:58:29,818 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:58:29,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-11-07 00:58:29,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2019-11-07 00:58:29,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-11-07 00:58:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-11-07 00:58:29,879 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2019-11-07 00:58:29,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:29,880 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-11-07 00:58:29,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:58:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-11-07 00:58:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 00:58:29,882 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:29,882 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:29,882 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:29,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:29,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2019-11-07 00:58:29,883 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:29,883 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350113519] [2019-11-07 00:58:29,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:29,953 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350113519] [2019-11-07 00:58:29,953 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:29,953 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:58:29,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733685806] [2019-11-07 00:58:29,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:58:29,956 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:29,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:58:29,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:58:29,956 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2019-11-07 00:58:29,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:29,997 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2019-11-07 00:58:29,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:58:29,998 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-11-07 00:58:29,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:30,001 INFO L225 Difference]: With dead ends: 736 [2019-11-07 00:58:30,001 INFO L226 Difference]: Without dead ends: 387 [2019-11-07 00:58:30,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:58:30,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-11-07 00:58:30,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2019-11-07 00:58:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-11-07 00:58:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2019-11-07 00:58:30,026 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2019-11-07 00:58:30,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:30,026 INFO L462 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2019-11-07 00:58:30,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:58:30,027 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2019-11-07 00:58:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 00:58:30,028 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:30,029 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:30,029 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:30,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:30,029 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2019-11-07 00:58:30,029 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:30,030 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536392226] [2019-11-07 00:58:30,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:30,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:30,105 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536392226] [2019-11-07 00:58:30,105 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:30,105 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:58:30,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714288182] [2019-11-07 00:58:30,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:58:30,106 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:30,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:58:30,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:58:30,107 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2019-11-07 00:58:30,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:30,150 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2019-11-07 00:58:30,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:30,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-11-07 00:58:30,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:30,153 INFO L225 Difference]: With dead ends: 756 [2019-11-07 00:58:30,153 INFO L226 Difference]: Without dead ends: 397 [2019-11-07 00:58:30,155 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:58:30,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-07 00:58:30,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2019-11-07 00:58:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-11-07 00:58:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2019-11-07 00:58:30,177 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2019-11-07 00:58:30,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:30,177 INFO L462 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2019-11-07 00:58:30,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:58:30,178 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2019-11-07 00:58:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 00:58:30,179 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:30,180 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:30,180 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:30,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:30,180 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2019-11-07 00:58:30,180 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:30,180 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389594887] [2019-11-07 00:58:30,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:30,272 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389594887] [2019-11-07 00:58:30,273 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:30,274 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:58:30,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196228432] [2019-11-07 00:58:30,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:58:30,275 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:30,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:58:30,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:58:30,275 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2019-11-07 00:58:30,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:30,514 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2019-11-07 00:58:30,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:58:30,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-11-07 00:58:30,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:30,522 INFO L225 Difference]: With dead ends: 1153 [2019-11-07 00:58:30,522 INFO L226 Difference]: Without dead ends: 786 [2019-11-07 00:58:30,524 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:58:30,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-11-07 00:58:30,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2019-11-07 00:58:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-11-07 00:58:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2019-11-07 00:58:30,630 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2019-11-07 00:58:30,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:30,633 INFO L462 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2019-11-07 00:58:30,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:58:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2019-11-07 00:58:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-07 00:58:30,636 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:30,636 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:30,636 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:30,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:30,637 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2019-11-07 00:58:30,637 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:30,637 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364514174] [2019-11-07 00:58:30,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:58:30,803 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364514174] [2019-11-07 00:58:30,804 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992733628] [2019-11-07 00:58:30,805 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 00:58:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:30,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 00:58:31,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:58:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:58:31,213 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:58:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:58:32,196 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:58:32,196 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-11-07 00:58:32,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416926793] [2019-11-07 00:58:32,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:58:32,197 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:32,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:58:32,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:32,198 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 8 states. [2019-11-07 00:58:32,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:32,697 INFO L93 Difference]: Finished difference Result 1490 states and 1752 transitions. [2019-11-07 00:58:32,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:32,698 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-11-07 00:58:32,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:32,702 INFO L225 Difference]: With dead ends: 1490 [2019-11-07 00:58:32,703 INFO L226 Difference]: Without dead ends: 743 [2019-11-07 00:58:32,705 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 187 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:32,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2019-11-07 00:58:32,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2019-11-07 00:58:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2019-11-07 00:58:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 855 transitions. [2019-11-07 00:58:32,745 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 855 transitions. Word has length 102 [2019-11-07 00:58:32,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:32,745 INFO L462 AbstractCegarLoop]: Abstraction has 743 states and 855 transitions. [2019-11-07 00:58:32,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:58:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 855 transitions. [2019-11-07 00:58:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-07 00:58:32,749 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:32,750 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:32,954 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:32,954 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:32,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:32,955 INFO L82 PathProgramCache]: Analyzing trace with hash -668172849, now seen corresponding path program 1 times [2019-11-07 00:58:32,955 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:32,955 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704941939] [2019-11-07 00:58:32,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 00:58:33,182 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704941939] [2019-11-07 00:58:33,183 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964437353] [2019-11-07 00:58:33,183 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 00:58:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:33,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-07 00:58:33,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:58:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:33,450 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:58:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 00:58:33,730 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:58:33,730 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-11-07 00:58:33,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333545881] [2019-11-07 00:58:33,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:58:33,732 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:33,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:58:33,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:58:33,732 INFO L87 Difference]: Start difference. First operand 743 states and 855 transitions. Second operand 5 states. [2019-11-07 00:58:34,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:34,452 INFO L93 Difference]: Finished difference Result 1603 states and 1962 transitions. [2019-11-07 00:58:34,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:58:34,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2019-11-07 00:58:34,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:34,461 INFO L225 Difference]: With dead ends: 1603 [2019-11-07 00:58:34,461 INFO L226 Difference]: Without dead ends: 1004 [2019-11-07 00:58:34,464 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:58:34,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2019-11-07 00:58:34,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 915. [2019-11-07 00:58:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2019-11-07 00:58:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1071 transitions. [2019-11-07 00:58:34,537 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1071 transitions. Word has length 155 [2019-11-07 00:58:34,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:34,538 INFO L462 AbstractCegarLoop]: Abstraction has 915 states and 1071 transitions. [2019-11-07 00:58:34,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:58:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1071 transitions. [2019-11-07 00:58:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-07 00:58:34,542 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:34,542 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:34,746 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:34,746 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:34,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:34,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1698521745, now seen corresponding path program 1 times [2019-11-07 00:58:34,747 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:34,748 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723303338] [2019-11-07 00:58:34,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 00:58:34,981 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723303338] [2019-11-07 00:58:34,981 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376224807] [2019-11-07 00:58:34,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:35,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 00:58:35,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:58:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:35,373 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:58:35,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 00:58:35,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 00:58:35,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 00:58:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 00:58:35,703 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:58:35,703 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-11-07 00:58:35,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463620968] [2019-11-07 00:58:35,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:58:35,704 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:35,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:58:35,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-11-07 00:58:35,705 INFO L87 Difference]: Start difference. First operand 915 states and 1071 transitions. Second operand 9 states. [2019-11-07 00:58:36,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:36,998 INFO L93 Difference]: Finished difference Result 2234 states and 2862 transitions. [2019-11-07 00:58:36,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 00:58:36,999 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-11-07 00:58:36,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:37,007 INFO L225 Difference]: With dead ends: 2234 [2019-11-07 00:58:37,008 INFO L226 Difference]: Without dead ends: 1467 [2019-11-07 00:58:37,010 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 306 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-11-07 00:58:37,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2019-11-07 00:58:37,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1187. [2019-11-07 00:58:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2019-11-07 00:58:37,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1398 transitions. [2019-11-07 00:58:37,079 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1398 transitions. Word has length 155 [2019-11-07 00:58:37,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:37,079 INFO L462 AbstractCegarLoop]: Abstraction has 1187 states and 1398 transitions. [2019-11-07 00:58:37,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:58:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1398 transitions. [2019-11-07 00:58:37,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-07 00:58:37,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:37,082 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:37,286 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:37,287 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:37,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:37,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1973281359, now seen corresponding path program 1 times [2019-11-07 00:58:37,287 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:37,288 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534729639] [2019-11-07 00:58:37,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:37,392 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:58:37,393 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534729639] [2019-11-07 00:58:37,393 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:37,393 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:58:37,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045630366] [2019-11-07 00:58:37,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:58:37,394 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:37,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:58:37,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:58:37,395 INFO L87 Difference]: Start difference. First operand 1187 states and 1398 transitions. Second operand 9 states. [2019-11-07 00:58:37,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:37,455 INFO L93 Difference]: Finished difference Result 1575 states and 1851 transitions. [2019-11-07 00:58:37,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 00:58:37,456 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-11-07 00:58:37,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:37,458 INFO L225 Difference]: With dead ends: 1575 [2019-11-07 00:58:37,458 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:58:37,462 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:58:37,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:58:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:58:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:58:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:58:37,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-11-07 00:58:37,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:37,463 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:58:37,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:58:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:58:37,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:58:37,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 00:58:38,181 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2019-11-07 00:58:38,497 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-11-07 00:58:38,919 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2019-11-07 00:58:39,187 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-11-07 00:58:39,322 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-11-07 00:58:39,477 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2019-11-07 00:58:39,638 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2019-11-07 00:58:39,808 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2019-11-07 00:58:40,095 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-11-07 00:58:40,296 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 30 [2019-11-07 00:58:40,516 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-11-07 00:58:40,721 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2019-11-07 00:58:41,019 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2019-11-07 00:58:41,159 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2019-11-07 00:58:41,606 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2019-11-07 00:58:41,777 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2019-11-07 00:58:42,062 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2019-11-07 00:58:42,525 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 32 [2019-11-07 00:58:42,697 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-11-07 00:58:42,697 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2019-11-07 00:58:42,697 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-11-07 00:58:42,697 INFO L443 ceAbstractionStarter]: For program point L184-2(lines 184 205) no Hoare annotation was computed. [2019-11-07 00:58:42,698 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 159 214) no Hoare annotation was computed. [2019-11-07 00:58:42,698 INFO L443 ceAbstractionStarter]: For program point L206(lines 183 207) no Hoare annotation was computed. [2019-11-07 00:58:42,698 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 159 214) no Hoare annotation was computed. [2019-11-07 00:58:42,698 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 159 214) no Hoare annotation was computed. [2019-11-07 00:58:42,698 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-11-07 00:58:42,698 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2019-11-07 00:58:42,698 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 215 274) no Hoare annotation was computed. [2019-11-07 00:58:42,699 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-11-07 00:58:42,699 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 266) no Hoare annotation was computed. [2019-11-07 00:58:42,699 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 215 274) no Hoare annotation was computed. [2019-11-07 00:58:42,699 INFO L443 ceAbstractionStarter]: For program point L267(lines 240 268) no Hoare annotation was computed. [2019-11-07 00:58:42,699 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 215 274) no Hoare annotation was computed. [2019-11-07 00:58:42,699 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-11-07 00:58:42,699 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-11-07 00:58:42,700 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-11-07 00:58:42,700 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-11-07 00:58:42,701 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-11-07 00:58:42,701 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-11-07 00:58:42,702 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2019-11-07 00:58:42,702 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 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 00:58:42,702 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2019-11-07 00:58:42,702 INFO L439 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:42,703 INFO L439 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:42,703 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-11-07 00:58:42,703 INFO L443 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2019-11-07 00:58:42,703 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2019-11-07 00:58:42,703 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-11-07 00:58:42,703 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 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 00:58:42,703 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 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 00:58:42,704 INFO L439 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 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 00:58:42,704 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-11-07 00:58:42,704 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-11-07 00:58:42,704 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 795 818) no Hoare annotation was computed. [2019-11-07 00:58:42,704 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 795 818) no Hoare annotation was computed. [2019-11-07 00:58:42,704 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 795 818) no Hoare annotation was computed. [2019-11-07 00:58:42,705 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-11-07 00:58:42,705 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-11-07 00:58:42,705 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-11-07 00:58:42,705 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-11-07 00:58:42,705 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-11-07 00:58:42,705 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-11-07 00:58:42,705 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-11-07 00:58:42,705 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-11-07 00:58:42,706 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-11-07 00:58:42,707 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-11-07 00:58:42,707 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-11-07 00:58:42,707 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-11-07 00:58:42,707 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2019-11-07 00:58:42,707 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2019-11-07 00:58:42,708 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2019-11-07 00:58:42,708 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-11-07 00:58:42,708 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-11-07 00:58:42,709 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2019-11-07 00:58:42,709 INFO L443 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2019-11-07 00:58:42,709 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2019-11-07 00:58:42,709 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2019-11-07 00:58:42,709 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2019-11-07 00:58:42,709 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 704) no Hoare annotation was computed. [2019-11-07 00:58:42,709 INFO L443 ceAbstractionStarter]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2019-11-07 00:58:42,710 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-11-07 00:58:42,710 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 689 724) no Hoare annotation was computed. [2019-11-07 00:58:42,710 INFO L443 ceAbstractionStarter]: For program point L719-1(line 719) no Hoare annotation was computed. [2019-11-07 00:58:42,710 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 689 724) no Hoare annotation was computed. [2019-11-07 00:58:42,710 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 716) no Hoare annotation was computed. [2019-11-07 00:58:42,710 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 689 724) no Hoare annotation was computed. [2019-11-07 00:58:42,710 INFO L443 ceAbstractionStarter]: For program point L708-2(lines 708 716) no Hoare annotation was computed. [2019-11-07 00:58:42,711 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-11-07 00:58:42,711 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-11-07 00:58:42,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 113 158) no Hoare annotation was computed. [2019-11-07 00:58:42,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 113 158) no Hoare annotation was computed. [2019-11-07 00:58:42,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 113 158) no Hoare annotation was computed. [2019-11-07 00:58:42,711 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2019-11-07 00:58:42,711 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 426 471) no Hoare annotation was computed. [2019-11-07 00:58:42,712 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 460) no Hoare annotation was computed. [2019-11-07 00:58:42,712 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 460) no Hoare annotation was computed. [2019-11-07 00:58:42,712 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 426 471) no Hoare annotation was computed. [2019-11-07 00:58:42,712 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 426 471) no Hoare annotation was computed. [2019-11-07 00:58:42,712 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 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 00:58:42,712 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2019-11-07 00:58:42,713 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2019-11-07 00:58:42,713 INFO L443 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2019-11-07 00:58:42,713 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2019-11-07 00:58:42,713 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2019-11-07 00:58:42,713 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2019-11-07 00:58:42,713 INFO L446 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2019-11-07 00:58:42,714 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2019-11-07 00:58:42,714 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2019-11-07 00:58:42,714 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2019-11-07 00:58:42,714 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-11-07 00:58:42,714 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2019-11-07 00:58:42,714 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2019-11-07 00:58:42,715 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2019-11-07 00:58:42,715 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2019-11-07 00:58:42,715 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse5 (not (<= 2 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse1) .cse6) (or .cse4 .cse1 .cse6 .cse7) (or (or .cse5 .cse1 .cse2) .cse6) (or .cse4 .cse0 .cse1 .cse3) (or .cse6 .cse1 .cse7 .cse2))) [2019-11-07 00:58:42,715 INFO L443 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2019-11-07 00:58:42,715 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-11-07 00:58:42,716 INFO L439 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:42,716 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= 1 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse2 .cse3))) [2019-11-07 00:58:42,716 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2019-11-07 00:58:42,716 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse2 .cse3))) [2019-11-07 00:58:42,716 INFO L443 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2019-11-07 00:58:42,716 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2019-11-07 00:58:42,717 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2019-11-07 00:58:42,717 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2019-11-07 00:58:42,717 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 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 00:58:42,717 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2019-11-07 00:58:42,717 INFO L439 ceAbstractionStarter]: At program point L533(lines 486 534) 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 00:58:42,717 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-11-07 00:58:42,718 INFO L439 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (and (and .cse3 .cse1 .cse4) .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse4) (and .cse3 .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:42,718 INFO L443 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2019-11-07 00:58:42,718 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2019-11-07 00:58:42,718 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and (and .cse0 .cse1 .cse2) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:42,718 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-11-07 00:58:42,718 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2019-11-07 00:58:42,719 INFO L439 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (and (<= 1 ~methaneLevelCritical~0) (and .cse1 .cse2)) .cse3) (and (and .cse0 .cse1 .cse2) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:42,719 INFO L439 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and (and .cse0 .cse1 .cse2) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:42,719 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-11-07 00:58:42,719 INFO L443 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2019-11-07 00:58:42,719 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-11-07 00:58:42,720 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2019-11-07 00:58:42,720 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 380 425) no Hoare annotation was computed. [2019-11-07 00:58:42,720 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 380 425) no Hoare annotation was computed. [2019-11-07 00:58:42,720 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 380 425) no Hoare annotation was computed. [2019-11-07 00:58:42,720 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 407) no Hoare annotation was computed. [2019-11-07 00:58:42,720 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 414) no Hoare annotation was computed. [2019-11-07 00:58:42,720 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 394 414) no Hoare annotation was computed. [2019-11-07 00:58:42,721 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 00:58:42,721 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2019-11-07 00:58:42,721 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2019-11-07 00:58:42,721 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2019-11-07 00:58:42,721 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2019-11-07 00:58:42,721 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2019-11-07 00:58:42,721 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 908 930) no Hoare annotation was computed. [2019-11-07 00:58:42,722 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 908 930) no Hoare annotation was computed. [2019-11-07 00:58:42,722 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 908 930) no Hoare annotation was computed. [2019-11-07 00:58:42,722 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 924) no Hoare annotation was computed. [2019-11-07 00:58:42,722 INFO L443 ceAbstractionStarter]: For program point L916-2(lines 916 924) no Hoare annotation was computed. [2019-11-07 00:58:42,722 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-11-07 00:58:42,722 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2019-11-07 00:58:42,722 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-11-07 00:58:42,723 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 277 379) no Hoare annotation was computed. [2019-11-07 00:58:42,723 INFO L443 ceAbstractionStarter]: For program point L347(lines 325 348) no Hoare annotation was computed. [2019-11-07 00:58:42,723 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 322) no Hoare annotation was computed. [2019-11-07 00:58:42,723 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2019-11-07 00:58:42,723 INFO L443 ceAbstractionStarter]: For program point L327(lines 326 346) no Hoare annotation was computed. [2019-11-07 00:58:42,723 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-11-07 00:58:42,723 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 277 379) no Hoare annotation was computed. [2019-11-07 00:58:42,724 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-11-07 00:58:42,724 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 364) no Hoare annotation was computed. [2019-11-07 00:58:42,724 INFO L443 ceAbstractionStarter]: For program point L342(line 342) no Hoare annotation was computed. [2019-11-07 00:58:42,724 INFO L443 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2019-11-07 00:58:42,724 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 277 379) no Hoare annotation was computed. [2019-11-07 00:58:42,724 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-11-07 00:58:42,724 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 376) no Hoare annotation was computed. [2019-11-07 00:58:42,724 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-11-07 00:58:42,725 INFO L443 ceAbstractionStarter]: For program point L326-2(lines 326 346) no Hoare annotation was computed. [2019-11-07 00:58:42,725 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:58:42,725 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-11-07 00:58:42,725 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:58:42,725 INFO L439 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-11-07 00:58:42,726 INFO L443 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2019-11-07 00:58:42,726 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2019-11-07 00:58:42,726 INFO L443 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-11-07 00:58:42,726 INFO L439 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-11-07 00:58:42,726 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-11-07 00:58:42,726 INFO L443 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2019-11-07 00:58:42,727 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2019-11-07 00:58:42,727 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-11-07 00:58:42,727 INFO L446 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2019-11-07 00:58:42,728 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2019-11-07 00:58:42,728 INFO L443 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-11-07 00:58:42,728 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2019-11-07 00:58:42,728 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2019-11-07 00:58:42,728 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 931 939) no Hoare annotation was computed. [2019-11-07 00:58:42,728 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 931 939) no Hoare annotation was computed. [2019-11-07 00:58:42,729 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 931 939) no Hoare annotation was computed. [2019-11-07 00:58:42,729 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:58:42,729 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 00:58:42,729 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:58:42,729 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (or .cse5 .cse2 .cse4)) (or (or .cse6 .cse0 .cse5 .cse2) .cse7) (or .cse6 .cse0 .cse2 .cse7 .cse3))) [2019-11-07 00:58:42,730 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2019-11-07 00:58:42,730 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2019-11-07 00:58:42,730 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2019-11-07 00:58:42,730 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2019-11-07 00:58:42,730 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2019-11-07 00:58:42,731 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse2 .cse7)) (or (or .cse0 .cse1 .cse6 .cse2) .cse8) (or (or .cse0 .cse6 .cse2) .cse5) (or (or .cse1 .cse6 .cse2 .cse7) .cse8) (or .cse1 .cse3 .cse2 .cse4 .cse7))) [2019-11-07 00:58:42,731 INFO L439 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (let ((.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse9 (= 1 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 1)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse5 .cse6 .cse1) (or .cse1 (or .cse7 .cse5 .cse6) .cse8) (or (or .cse2 .cse7 .cse5) .cse8) (or .cse3 (and .cse9 .cse0) .cse5 .cse10 .cse6) (or .cse2 .cse3 .cse5 .cse9 .cse10)))) [2019-11-07 00:58:42,731 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse0 .cse6 .cse2)) (or .cse1 .cse3 .cse2 .cse4 .cse7) (or .cse5 (or .cse6 .cse2 .cse7)))) [2019-11-07 00:58:42,733 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse4 .cse5 .cse2 .cse6) (or .cse3 (or .cse1 .cse2 .cse6)))) [2019-11-07 00:58:42,733 INFO L443 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2019-11-07 00:58:42,733 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2019-11-07 00:58:42,733 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2019-11-07 00:58:42,733 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2019-11-07 00:58:42,733 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2019-11-07 00:58:42,734 INFO L446 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2019-11-07 00:58:42,734 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-11-07 00:58:42,734 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-11-07 00:58:42,734 INFO L446 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2019-11-07 00:58:42,734 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-11-07 00:58:42,734 INFO L446 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2019-11-07 00:58:42,734 INFO L446 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2019-11-07 00:58:42,735 INFO L443 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2019-11-07 00:58:42,735 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (or .cse2 .cse3)) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3)))) [2019-11-07 00:58:42,735 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2019-11-07 00:58:42,735 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2019-11-07 00:58:42,735 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2019-11-07 00:58:42,736 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2019-11-07 00:58:42,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:58:42,737 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 00:58:42,737 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:58:42,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:58:42,737 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or (or .cse6 .cse0 .cse1 .cse2) .cse4))) [2019-11-07 00:58:42,737 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2019-11-07 00:58:42,738 INFO L439 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:42,738 INFO L443 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2019-11-07 00:58:42,738 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse3 .cse1 .cse2))) [2019-11-07 00:58:42,738 INFO L439 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (and .cse2 .cse3)) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or .cse3 (or .cse0 (not .cse2) .cse1 .cse4)))) [2019-11-07 00:58:42,738 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2019-11-07 00:58:42,739 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or (or .cse6 .cse0 .cse1 .cse2) .cse4))) [2019-11-07 00:58:42,739 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-11-07 00:58:42,739 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2019-11-07 00:58:42,739 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2019-11-07 00:58:42,739 INFO L443 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2019-11-07 00:58:42,739 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (or .cse1 .cse2)) (or .cse3 .cse4 .cse1 .cse5 .cse2) (or .cse6 .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or .cse3 .cse1)) (or .cse6 .cse3 .cse1 .cse4 .cse5))) [2019-11-07 00:58:42,740 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2019-11-07 00:58:42,740 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2019-11-07 00:58:42,740 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2019-11-07 00:58:42,740 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-11-07 00:58:42,740 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-11-07 00:58:42,740 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2019-11-07 00:58:42,741 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-11-07 00:58:42,742 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-11-07 00:58:42,742 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1))) [2019-11-07 00:58:42,742 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-11-07 00:58:42,792 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-11-07 00:58:42,792 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-11-07 00:58:42,793 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-11-07 00:58:42,793 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-11-07 00:58:42,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:58:42 BoogieIcfgContainer [2019-11-07 00:58:42,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:58:42,819 INFO L168 Benchmark]: Toolchain (without parser) took 18534.10 ms. Allocated memory was 144.7 MB in the beginning and 502.8 MB in the end (delta: 358.1 MB). Free memory was 101.4 MB in the beginning and 460.2 MB in the end (delta: -358.8 MB). Peak memory consumption was 372.6 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:42,820 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 00:58:42,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.28 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.2 MB in the beginning and 170.0 MB in the end (delta: -68.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:42,822 INFO L168 Benchmark]: Boogie Preprocessor took 83.29 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 165.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:42,829 INFO L168 Benchmark]: RCFGBuilder took 1198.05 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.1 MB in the beginning and 194.3 MB in the end (delta: -29.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:42,832 INFO L168 Benchmark]: TraceAbstraction took 16532.89 ms. Allocated memory was 234.9 MB in the beginning and 502.8 MB in the end (delta: 267.9 MB). Free memory was 194.3 MB in the beginning and 460.2 MB in the end (delta: -265.9 MB). Peak memory consumption was 375.3 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:42,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.28 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.2 MB in the beginning and 170.0 MB in the end (delta: -68.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.29 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 165.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1198.05 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.1 MB in the beginning and 194.3 MB in the end (delta: -29.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16532.89 ms. Allocated memory was 234.9 MB in the beginning and 502.8 MB in the end (delta: 267.9 MB). Free memory was 194.3 MB in the beginning and 460.2 MB in the end (delta: -265.9 MB). Peak memory consumption was 375.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel)) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 16.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, HoareTripleCheckerStatistics: 2280 SDtfs, 1396 SDslu, 5552 SDs, 0 SdLazy, 2707 SolverSat, 551 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 966 GetRequests, 848 SyntacticMatches, 10 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1187occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 448 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2192 PreInvPairs, 2261 NumberOfFragments, 2025 HoareAnnotationTreeSize, 2192 FomulaSimplifications, 7617 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 9880 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1641 NumberOfCodeBlocks, 1641 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2034 ConstructedInterpolants, 0 QuantifiedInterpolants, 414085 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2529 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 236/256 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...