java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:00,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:00,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:00,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:00,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:00,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:00,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:00,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:00,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:00,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:00,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:00,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:00,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:00,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:00,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:00,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:00,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:00,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:00,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:00,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:00,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:00,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:00,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:00,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:00,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:00,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:00,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:00,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:00,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:00,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:00,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:00,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:00,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:00,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:00,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:00,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:00,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:00,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:00,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:00,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:00,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:00,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:21:00,132 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:00,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:00,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:00,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:00,134 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:00,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:00,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:00,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:00,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:00,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:00,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:00,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:00,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:00,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:00,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:00,136 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:00,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:00,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:00,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:00,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:00,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:00,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:00,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:00,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:00,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:00,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:00,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:00,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:00,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:21:00,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:00,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:00,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:00,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:00,456 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:00,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-10-15 01:21:00,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9964e69fb/8c8f8c2e12fd4c7dbf333011835c21b4/FLAG4911843b6 [2019-10-15 01:21:01,109 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:01,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-10-15 01:21:01,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9964e69fb/8c8f8c2e12fd4c7dbf333011835c21b4/FLAG4911843b6 [2019-10-15 01:21:01,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9964e69fb/8c8f8c2e12fd4c7dbf333011835c21b4 [2019-10-15 01:21:01,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:01,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:01,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:01,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:01,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:01,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:01" (1/1) ... [2019-10-15 01:21:01,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588a9aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:01, skipping insertion in model container [2019-10-15 01:21:01,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:01" (1/1) ... [2019-10-15 01:21:01,389 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:01,442 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:01,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:01,902 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:01,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:02,017 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:02,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02 WrapperNode [2019-10-15 01:21:02,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:02,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:02,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:02,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:02,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:02,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:02,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:02,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:02,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:02,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:02,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:21:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:21:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:21:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:21:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:21:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:21:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:21:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:21:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:21:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:21:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:03,303 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:03,304 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:03,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:03 BoogieIcfgContainer [2019-10-15 01:21:03,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:03,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:03,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:03,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:03,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:01" (1/3) ... [2019-10-15 01:21:03,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557cd250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:03, skipping insertion in model container [2019-10-15 01:21:03,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (2/3) ... [2019-10-15 01:21:03,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557cd250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:03, skipping insertion in model container [2019-10-15 01:21:03,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:03" (3/3) ... [2019-10-15 01:21:03,315 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2019-10-15 01:21:03,326 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:03,337 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:03,348 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:03,392 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:03,393 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:03,393 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:03,393 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:03,393 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:03,394 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:03,394 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:03,394 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-15 01:21:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:21:03,428 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:03,429 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:03,431 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:03,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:03,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1185825638, now seen corresponding path program 1 times [2019-10-15 01:21:03,448 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:03,449 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399304104] [2019-10-15 01:21:03,449 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:03,449 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:03,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:03,849 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399304104] [2019-10-15 01:21:03,850 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:03,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:03,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097233861] [2019-10-15 01:21:03,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:03,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:03,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:03,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:03,874 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-10-15 01:21:03,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:03,920 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2019-10-15 01:21:03,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:03,921 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:21:03,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:03,935 INFO L225 Difference]: With dead ends: 252 [2019-10-15 01:21:03,936 INFO L226 Difference]: Without dead ends: 126 [2019-10-15 01:21:03,941 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:03,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-15 01:21:04,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-10-15 01:21:04,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-15 01:21:04,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-10-15 01:21:04,007 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2019-10-15 01:21:04,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:04,008 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-10-15 01:21:04,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-10-15 01:21:04,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:21:04,012 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:04,012 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:04,013 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:04,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:04,013 INFO L82 PathProgramCache]: Analyzing trace with hash 64634253, now seen corresponding path program 1 times [2019-10-15 01:21:04,014 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:04,014 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818094868] [2019-10-15 01:21:04,014 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,014 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:04,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818094868] [2019-10-15 01:21:04,175 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:04,175 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:04,175 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041690578] [2019-10-15 01:21:04,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:04,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:04,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:04,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:04,180 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2019-10-15 01:21:04,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:04,230 INFO L93 Difference]: Finished difference Result 197 states and 229 transitions. [2019-10-15 01:21:04,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:04,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:21:04,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:04,236 INFO L225 Difference]: With dead ends: 197 [2019-10-15 01:21:04,237 INFO L226 Difference]: Without dead ends: 117 [2019-10-15 01:21:04,239 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:04,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-15 01:21:04,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-15 01:21:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-15 01:21:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2019-10-15 01:21:04,258 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2019-10-15 01:21:04,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:04,258 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2019-10-15 01:21:04,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2019-10-15 01:21:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:21:04,261 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:04,261 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:04,261 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:04,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:04,262 INFO L82 PathProgramCache]: Analyzing trace with hash -974818796, now seen corresponding path program 1 times [2019-10-15 01:21:04,262 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:04,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117243691] [2019-10-15 01:21:04,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:04,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117243691] [2019-10-15 01:21:04,399 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:04,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:04,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13770524] [2019-10-15 01:21:04,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:04,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:04,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:04,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:04,403 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2019-10-15 01:21:04,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:04,775 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2019-10-15 01:21:04,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:04,776 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:21:04,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:04,778 INFO L225 Difference]: With dead ends: 210 [2019-10-15 01:21:04,779 INFO L226 Difference]: Without dead ends: 117 [2019-10-15 01:21:04,782 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:04,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-15 01:21:04,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-15 01:21:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-15 01:21:04,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2019-10-15 01:21:04,808 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2019-10-15 01:21:04,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:04,809 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2019-10-15 01:21:04,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:04,809 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2019-10-15 01:21:04,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 01:21:04,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:04,819 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:04,819 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:04,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:04,820 INFO L82 PathProgramCache]: Analyzing trace with hash 2068919848, now seen corresponding path program 1 times [2019-10-15 01:21:04,820 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:04,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117925998] [2019-10-15 01:21:04,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:05,062 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117925998] [2019-10-15 01:21:05,062 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:05,062 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:21:05,062 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748410926] [2019-10-15 01:21:05,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:21:05,063 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:05,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:21:05,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:05,064 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 10 states. [2019-10-15 01:21:05,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:05,655 INFO L93 Difference]: Finished difference Result 376 states and 457 transitions. [2019-10-15 01:21:05,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:21:05,658 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2019-10-15 01:21:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:05,664 INFO L225 Difference]: With dead ends: 376 [2019-10-15 01:21:05,665 INFO L226 Difference]: Without dead ends: 283 [2019-10-15 01:21:05,670 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:21:05,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-10-15 01:21:05,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2019-10-15 01:21:05,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-10-15 01:21:05,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 330 transitions. [2019-10-15 01:21:05,720 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 330 transitions. Word has length 65 [2019-10-15 01:21:05,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:05,721 INFO L462 AbstractCegarLoop]: Abstraction has 279 states and 330 transitions. [2019-10-15 01:21:05,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:21:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 330 transitions. [2019-10-15 01:21:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-15 01:21:05,727 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:05,728 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:05,728 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:05,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:05,728 INFO L82 PathProgramCache]: Analyzing trace with hash 704311394, now seen corresponding path program 1 times [2019-10-15 01:21:05,729 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:05,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367361394] [2019-10-15 01:21:05,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:05,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:05,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:05,833 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367361394] [2019-10-15 01:21:05,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:05,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:05,834 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176900465] [2019-10-15 01:21:05,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:05,835 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:05,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:05,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:05,837 INFO L87 Difference]: Start difference. First operand 279 states and 330 transitions. Second operand 3 states. [2019-10-15 01:21:05,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:05,864 INFO L93 Difference]: Finished difference Result 431 states and 520 transitions. [2019-10-15 01:21:05,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:05,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-10-15 01:21:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:05,867 INFO L225 Difference]: With dead ends: 431 [2019-10-15 01:21:05,867 INFO L226 Difference]: Without dead ends: 176 [2019-10-15 01:21:05,872 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:05,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-10-15 01:21:05,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2019-10-15 01:21:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-10-15 01:21:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2019-10-15 01:21:05,897 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 69 [2019-10-15 01:21:05,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:05,897 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2019-10-15 01:21:05,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2019-10-15 01:21:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-15 01:21:05,899 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:05,900 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:05,900 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:05,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:05,900 INFO L82 PathProgramCache]: Analyzing trace with hash 490046148, now seen corresponding path program 1 times [2019-10-15 01:21:05,901 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:05,901 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920885815] [2019-10-15 01:21:05,901 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:05,901 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:05,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:06,066 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 01:21:06,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920885815] [2019-10-15 01:21:06,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96904552] [2019-10-15 01:21:06,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:06,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:21:06,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:06,414 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:06,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:21:06,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:21:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 01:21:06,785 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1051589817] [2019-10-15 01:21:06,790 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 111 [2019-10-15 01:21:06,833 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:06,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:06,904 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:06,906 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-15 01:21:06,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:06,911 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:06,975 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:06,975 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:06,987 INFO L553 sIntCurrentIteration]: We unified 109 AI predicates to 109 [2019-10-15 01:21:06,987 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:06,988 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:06,988 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-15 01:21:06,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716150304] [2019-10-15 01:21:06,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:06,990 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:06,990 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:06,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:06,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:06,991 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand 2 states. [2019-10-15 01:21:06,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:06,995 INFO L93 Difference]: Finished difference Result 176 states and 194 transitions. [2019-10-15 01:21:06,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:06,995 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 110 [2019-10-15 01:21:06,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:06,996 INFO L225 Difference]: With dead ends: 176 [2019-10-15 01:21:06,996 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:06,997 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:06,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:06,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:06,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2019-10-15 01:21:06,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:06,998 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:06,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:06,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:07,205 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:07,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:07,418 INFO L443 ceAbstractionStarter]: For program point L539(lines 516 540) no Hoare annotation was computed. [2019-10-15 01:21:07,418 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2019-10-15 01:21:07,418 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-10-15 01:21:07,418 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2019-10-15 01:21:07,419 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2019-10-15 01:21:07,419 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-15 01:21:07,419 INFO L443 ceAbstractionStarter]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2019-10-15 01:21:07,419 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2019-10-15 01:21:07,419 INFO L443 ceAbstractionStarter]: For program point L575(line 575) no Hoare annotation was computed. [2019-10-15 01:21:07,419 INFO L443 ceAbstractionStarter]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2019-10-15 01:21:07,419 INFO L443 ceAbstractionStarter]: For program point L600(lines 573 601) no Hoare annotation was computed. [2019-10-15 01:21:07,420 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2019-10-15 01:21:07,420 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-15 01:21:07,420 INFO L443 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2019-10-15 01:21:07,425 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2019-10-15 01:21:07,425 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2019-10-15 01:21:07,425 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-15 01:21:07,425 INFO L443 ceAbstractionStarter]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2019-10-15 01:21:07,426 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2019-10-15 01:21:07,426 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2019-10-15 01:21:07,426 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2019-10-15 01:21:07,426 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2019-10-15 01:21:07,426 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2019-10-15 01:21:07,427 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2019-10-15 01:21:07,427 INFO L446 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: true [2019-10-15 01:21:07,427 INFO L443 ceAbstractionStarter]: For program point L150(lines 150 156) no Hoare annotation was computed. [2019-10-15 01:21:07,431 INFO L446 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: true [2019-10-15 01:21:07,431 INFO L443 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2019-10-15 01:21:07,432 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2019-10-15 01:21:07,432 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 159) no Hoare annotation was computed. [2019-10-15 01:21:07,432 INFO L443 ceAbstractionStarter]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2019-10-15 01:21:07,432 INFO L446 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2019-10-15 01:21:07,432 INFO L443 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2019-10-15 01:21:07,432 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 881 903) the Hoare annotation is: true [2019-10-15 01:21:07,433 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-10-15 01:21:07,433 INFO L446 ceAbstractionStarter]: At program point L893-1(line 893) the Hoare annotation is: true [2019-10-15 01:21:07,433 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2019-10-15 01:21:07,433 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2019-10-15 01:21:07,433 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-15 01:21:07,433 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2019-10-15 01:21:07,433 INFO L446 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: true [2019-10-15 01:21:07,434 INFO L446 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: true [2019-10-15 01:21:07,434 INFO L446 ceAbstractionStarter]: At program point L887-1(line 887) the Hoare annotation is: true [2019-10-15 01:21:07,434 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2019-10-15 01:21:07,436 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2019-10-15 01:21:07,436 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2019-10-15 01:21:07,437 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2019-10-15 01:21:07,437 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-15 01:21:07,437 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-15 01:21:07,437 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-15 01:21:07,437 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-15 01:21:07,437 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-15 01:21:07,437 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-15 01:21:07,438 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-15 01:21:07,438 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-15 01:21:07,438 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-15 01:21:07,438 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-15 01:21:07,440 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-15 01:21:07,440 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-15 01:21:07,440 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-15 01:21:07,440 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-15 01:21:07,441 INFO L446 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: true [2019-10-15 01:21:07,441 INFO L443 ceAbstractionStarter]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2019-10-15 01:21:07,441 INFO L446 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2019-10-15 01:21:07,441 INFO L446 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: true [2019-10-15 01:21:07,441 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 220) no Hoare annotation was computed. [2019-10-15 01:21:07,441 INFO L446 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: true [2019-10-15 01:21:07,442 INFO L443 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2019-10-15 01:21:07,442 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: true [2019-10-15 01:21:07,442 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 225) no Hoare annotation was computed. [2019-10-15 01:21:07,442 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2019-10-15 01:21:07,442 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2019-10-15 01:21:07,442 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2019-10-15 01:21:07,442 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2019-10-15 01:21:07,443 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2019-10-15 01:21:07,443 INFO L446 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: true [2019-10-15 01:21:07,443 INFO L443 ceAbstractionStarter]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2019-10-15 01:21:07,443 INFO L443 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2019-10-15 01:21:07,443 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2019-10-15 01:21:07,443 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2019-10-15 01:21:07,443 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2019-10-15 01:21:07,443 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 323) no Hoare annotation was computed. [2019-10-15 01:21:07,444 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2019-10-15 01:21:07,444 INFO L443 ceAbstractionStarter]: For program point L338(line 338) no Hoare annotation was computed. [2019-10-15 01:21:07,444 INFO L443 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2019-10-15 01:21:07,444 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 308 343) no Hoare annotation was computed. [2019-10-15 01:21:07,444 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 335) no Hoare annotation was computed. [2019-10-15 01:21:07,444 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 308 343) no Hoare annotation was computed. [2019-10-15 01:21:07,444 INFO L443 ceAbstractionStarter]: For program point L327-2(lines 327 335) no Hoare annotation was computed. [2019-10-15 01:21:07,444 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 308 343) no Hoare annotation was computed. [2019-10-15 01:21:07,445 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2019-10-15 01:21:07,445 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2019-10-15 01:21:07,445 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2019-10-15 01:21:07,445 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2019-10-15 01:21:07,445 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2019-10-15 01:21:07,445 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2019-10-15 01:21:07,445 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 786) no Hoare annotation was computed. [2019-10-15 01:21:07,446 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2019-10-15 01:21:07,446 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2019-10-15 01:21:07,446 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 793) no Hoare annotation was computed. [2019-10-15 01:21:07,446 INFO L443 ceAbstractionStarter]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2019-10-15 01:21:07,447 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: true [2019-10-15 01:21:07,447 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2019-10-15 01:21:07,447 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2019-10-15 01:21:07,447 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2019-10-15 01:21:07,447 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2019-10-15 01:21:07,447 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2019-10-15 01:21:07,448 INFO L446 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: true [2019-10-15 01:21:07,448 INFO L443 ceAbstractionStarter]: For program point L293-1(line 293) no Hoare annotation was computed. [2019-10-15 01:21:07,448 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2019-10-15 01:21:07,448 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2019-10-15 01:21:07,448 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2019-10-15 01:21:07,448 INFO L446 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2019-10-15 01:21:07,448 INFO L443 ceAbstractionStarter]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2019-10-15 01:21:07,448 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2019-10-15 01:21:07,449 INFO L446 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2019-10-15 01:21:07,449 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: true [2019-10-15 01:21:07,449 INFO L446 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2019-10-15 01:21:07,449 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-15 01:21:07,449 INFO L446 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: true [2019-10-15 01:21:07,449 INFO L443 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2019-10-15 01:21:07,449 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 251) no Hoare annotation was computed. [2019-10-15 01:21:07,449 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2019-10-15 01:21:07,450 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2019-10-15 01:21:07,450 INFO L443 ceAbstractionStarter]: For program point L384(lines 383 430) no Hoare annotation was computed. [2019-10-15 01:21:07,450 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 373 438) the Hoare annotation is: true [2019-10-15 01:21:07,450 INFO L446 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2019-10-15 01:21:07,450 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 426) no Hoare annotation was computed. [2019-10-15 01:21:07,450 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2019-10-15 01:21:07,450 INFO L446 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2019-10-15 01:21:07,451 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 409) no Hoare annotation was computed. [2019-10-15 01:21:07,451 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2019-10-15 01:21:07,451 INFO L446 ceAbstractionStarter]: At program point L428(lines 383 430) the Hoare annotation is: true [2019-10-15 01:21:07,451 INFO L446 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: true [2019-10-15 01:21:07,451 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 399) no Hoare annotation was computed. [2019-10-15 01:21:07,451 INFO L443 ceAbstractionStarter]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2019-10-15 01:21:07,451 INFO L443 ceAbstractionStarter]: For program point L385(lines 385 389) no Hoare annotation was computed. [2019-10-15 01:21:07,451 INFO L446 ceAbstractionStarter]: At program point L431(lines 382 432) the Hoare annotation is: true [2019-10-15 01:21:07,452 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 425) no Hoare annotation was computed. [2019-10-15 01:21:07,452 INFO L446 ceAbstractionStarter]: At program point L421-2(lines 413 426) the Hoare annotation is: true [2019-10-15 01:21:07,452 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2019-10-15 01:21:07,453 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 740) no Hoare annotation was computed. [2019-10-15 01:21:07,453 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2019-10-15 01:21:07,453 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 747) no Hoare annotation was computed. [2019-10-15 01:21:07,453 INFO L443 ceAbstractionStarter]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2019-10-15 01:21:07,453 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2019-10-15 01:21:07,453 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2019-10-15 01:21:07,454 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 255 262) no Hoare annotation was computed. [2019-10-15 01:21:07,454 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 255 262) no Hoare annotation was computed. [2019-10-15 01:21:07,456 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 255 262) no Hoare annotation was computed. [2019-10-15 01:21:07,456 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2019-10-15 01:21:07,456 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-15 01:21:07,457 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-15 01:21:07,457 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:21:07,457 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:21:07,457 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:21:07,457 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:21:07,457 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:21:07,458 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2019-10-15 01:21:07,458 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 638) no Hoare annotation was computed. [2019-10-15 01:21:07,458 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 709) no Hoare annotation was computed. [2019-10-15 01:21:07,458 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 665) no Hoare annotation was computed. [2019-10-15 01:21:07,458 INFO L443 ceAbstractionStarter]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2019-10-15 01:21:07,458 INFO L443 ceAbstractionStarter]: For program point L680(lines 658 681) no Hoare annotation was computed. [2019-10-15 01:21:07,458 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2019-10-15 01:21:07,458 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 655) no Hoare annotation was computed. [2019-10-15 01:21:07,459 INFO L443 ceAbstractionStarter]: For program point L699(lines 699 706) no Hoare annotation was computed. [2019-10-15 01:21:07,459 INFO L443 ceAbstractionStarter]: For program point L660(lines 659 679) no Hoare annotation was computed. [2019-10-15 01:21:07,459 INFO L443 ceAbstractionStarter]: For program point L691(line 691) no Hoare annotation was computed. [2019-10-15 01:21:07,459 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-15 01:21:07,460 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2019-10-15 01:21:07,460 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 697) no Hoare annotation was computed. [2019-10-15 01:21:07,460 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-10-15 01:21:07,460 INFO L443 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-10-15 01:21:07,461 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 906 915) no Hoare annotation was computed. [2019-10-15 01:21:07,461 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 906 915) no Hoare annotation was computed. [2019-10-15 01:21:07,461 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 906 915) no Hoare annotation was computed. [2019-10-15 01:21:07,461 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:07,461 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:07,461 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:07,461 INFO L443 ceAbstractionStarter]: For program point L274-1(lines 263 279) no Hoare annotation was computed. [2019-10-15 01:21:07,461 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 276) no Hoare annotation was computed. [2019-10-15 01:21:07,462 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-15 01:21:07,462 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 263 279) no Hoare annotation was computed. [2019-10-15 01:21:07,462 INFO L443 ceAbstractionStarter]: For program point L268-1(line 268) no Hoare annotation was computed. [2019-10-15 01:21:07,462 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 263 279) no Hoare annotation was computed. [2019-10-15 01:21:07,462 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-15 01:21:07,462 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-15 01:21:07,462 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:21:07,462 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:21:07,463 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:21:07,463 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-15 01:21:07,463 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:21:07,463 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:07,463 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:07,463 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:07,464 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-15 01:21:07,464 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:21:07,464 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:21:07,464 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-10-15 01:21:07,465 INFO L446 ceAbstractionStarter]: At program point L183(lines 183 189) the Hoare annotation is: true [2019-10-15 01:21:07,465 INFO L446 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: true [2019-10-15 01:21:07,465 INFO L443 ceAbstractionStarter]: For program point L176(lines 175 194) no Hoare annotation was computed. [2019-10-15 01:21:07,465 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: true [2019-10-15 01:21:07,465 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2019-10-15 01:21:07,465 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2019-10-15 01:21:07,465 INFO L446 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2019-10-15 01:21:07,465 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2019-10-15 01:21:07,466 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2019-10-15 01:21:07,466 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-15 01:21:07,467 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-10-15 01:21:07,467 INFO L446 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2019-10-15 01:21:07,467 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-15 01:21:07,467 INFO L446 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2019-10-15 01:21:07,467 INFO L446 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2019-10-15 01:21:07,467 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-10-15 01:21:07,468 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-15 01:21:07,468 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:21:07,468 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:21:07,468 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2019-10-15 01:21:07,468 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2019-10-15 01:21:07,468 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:07,468 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:07,468 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:07,469 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:07,469 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2019-10-15 01:21:07,469 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: true [2019-10-15 01:21:07,469 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2019-10-15 01:21:07,469 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:21:07,469 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:21:07,469 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-15 01:21:07,469 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2019-10-15 01:21:07,469 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2019-10-15 01:21:07,470 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2019-10-15 01:21:07,470 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2019-10-15 01:21:07,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:07 BoogieIcfgContainer [2019-10-15 01:21:07,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:07,485 INFO L168 Benchmark]: Toolchain (without parser) took 6109.78 ms. Allocated memory was 141.0 MB in the beginning and 296.2 MB in the end (delta: 155.2 MB). Free memory was 101.3 MB in the beginning and 187.3 MB in the end (delta: -86.0 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:07,488 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 141.0 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:07,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.77 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 101.1 MB in the beginning and 169.2 MB in the end (delta: -68.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:07,490 INFO L168 Benchmark]: Boogie Preprocessor took 104.70 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 165.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:07,491 INFO L168 Benchmark]: RCFGBuilder took 1178.22 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 165.1 MB in the beginning and 197.2 MB in the end (delta: -32.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:07,495 INFO L168 Benchmark]: TraceAbstraction took 4174.94 ms. Allocated memory was 233.3 MB in the beginning and 296.2 MB in the end (delta: 62.9 MB). Free memory was 197.2 MB in the beginning and 187.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:07,504 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 141.0 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.77 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 101.1 MB in the beginning and 169.2 MB in the end (delta: -68.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.70 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 165.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1178.22 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 165.1 MB in the beginning and 197.2 MB in the end (delta: -32.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4174.94 ms. Allocated memory was 233.3 MB in the beginning and 296.2 MB in the end (delta: 62.9 MB). Free memory was 197.2 MB in the beginning and 187.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 671 SDtfs, 456 SDslu, 1361 SDs, 0 SdLazy, 451 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 385 PreInvPairs, 386 NumberOfFragments, 59 HoareAnnotationTreeSize, 385 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 601 ConstructedInterpolants, 0 QuantifiedInterpolants, 104777 SizeOfPredicates, 3 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 102/111 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 121, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8990825688073395, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...