/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:01:26,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:01:26,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:01:26,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:01:26,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:01:26,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:01:26,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:01:26,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:01:26,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:01:26,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:01:26,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:01:26,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:01:26,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:01:26,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:01:26,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:01:26,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:01:26,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:01:26,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:01:26,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:01:26,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:01:26,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:01:26,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:01:26,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:01:26,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:01:26,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:01:26,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:01:26,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:01:26,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:01:26,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:01:26,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:01:26,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:01:26,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:01:26,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:01:26,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:01:26,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:01:26,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:01:26,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:01:26,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:01:26,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:01:26,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:01:26,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:01:26,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:01:26,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:01:26,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:01:26,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:01:26,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:01:26,168 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:01:26,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:01:26,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:01:26,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:01:26,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:01:26,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:01:26,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:01:26,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:01:26,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:01:26,170 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:01:26,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:01:26,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:01:26,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:01:26,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:01:26,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:01:26,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:01:26,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:01:26,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:26,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:01:26,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:01:26,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:01:26,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:01:26,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:01:26,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:01:26,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:01:26,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:01:26,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:01:26,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:01:26,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:01:26,484 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:01:26,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-11-07 01:01:26,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/066b82105/d39522642b3b4260a32ca87e27280e62/FLAG245de7249 [2019-11-07 01:01:27,156 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:01:27,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-11-07 01:01:27,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/066b82105/d39522642b3b4260a32ca87e27280e62/FLAG245de7249 [2019-11-07 01:01:27,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/066b82105/d39522642b3b4260a32ca87e27280e62 [2019-11-07 01:01:27,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:01:27,451 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:01:27,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:27,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:01:27,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:01:27,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:27" (1/1) ... [2019-11-07 01:01:27,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237c4ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:27, skipping insertion in model container [2019-11-07 01:01:27,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:27" (1/1) ... [2019-11-07 01:01:27,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:01:27,532 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:01:27,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:28,008 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:01:28,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:28,172 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:01:28,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28 WrapperNode [2019-11-07 01:01:28,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:28,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:01:28,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:01:28,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:01:28,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28" (1/1) ... [2019-11-07 01:01:28,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28" (1/1) ... [2019-11-07 01:01:28,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28" (1/1) ... [2019-11-07 01:01:28,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28" (1/1) ... [2019-11-07 01:01:28,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28" (1/1) ... [2019-11-07 01:01:28,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28" (1/1) ... [2019-11-07 01:01:28,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28" (1/1) ... [2019-11-07 01:01:28,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:01:28,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:01:28,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:01:28,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:01:28,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:01:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:01:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:01:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:01:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:01:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:01:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:01:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:01:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:01:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:01:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:01:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:01:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:01:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:01:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:01:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:01:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:01:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:01:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:01:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:01:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:01:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:01:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:01:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:01:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 01:01:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:01:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:01:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:01:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:01:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:01:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:01:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:01:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:01:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:01:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:01:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:01:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:01:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:01:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:01:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:01:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:01:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:01:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:01:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:01:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:01:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:01:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:01:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:01:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:01:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:01:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:01:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:01:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:01:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:01:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:01:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:01:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:01:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:01:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:01:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:01:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:01:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:01:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:01:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:01:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:01:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:01:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:01:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:01:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:01:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:01:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:01:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:01:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:01:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:01:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:01:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:01:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 01:01:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:01:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:01:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:01:29,344 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:01:29,344 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:01:29,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:29 BoogieIcfgContainer [2019-11-07 01:01:29,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:01:29,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:01:29,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:01:29,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:01:29,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:27" (1/3) ... [2019-11-07 01:01:29,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f584f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:29, skipping insertion in model container [2019-11-07 01:01:29,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:28" (2/3) ... [2019-11-07 01:01:29,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f584f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:29, skipping insertion in model container [2019-11-07 01:01:29,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:29" (3/3) ... [2019-11-07 01:01:29,354 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2019-11-07 01:01:29,364 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:01:29,373 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:01:29,385 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:01:29,411 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:01:29,412 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:01:29,412 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:01:29,412 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:01:29,412 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:01:29,412 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:01:29,413 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:01:29,413 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:01:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2019-11-07 01:01:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:01:29,444 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:29,445 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:29,447 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:29,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:29,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1532249009, now seen corresponding path program 1 times [2019-11-07 01:01:29,462 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:29,462 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031915747] [2019-11-07 01:01:29,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:29,863 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031915747] [2019-11-07 01:01:29,864 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:29,864 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:01:29,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718584634] [2019-11-07 01:01:29,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:29,873 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:29,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:01:29,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:29,891 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2019-11-07 01:01:29,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:29,963 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions. [2019-11-07 01:01:29,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:29,967 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:01:29,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:29,989 INFO L225 Difference]: With dead ends: 224 [2019-11-07 01:01:29,989 INFO L226 Difference]: Without dead ends: 112 [2019-11-07 01:01:29,993 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:30,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-07 01:01:30,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-11-07 01:01:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-07 01:01:30,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2019-11-07 01:01:30,041 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2019-11-07 01:01:30,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:30,042 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2019-11-07 01:01:30,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2019-11-07 01:01:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:01:30,046 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:30,046 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:30,046 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:30,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:30,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1264772962, now seen corresponding path program 1 times [2019-11-07 01:01:30,047 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:30,047 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50777291] [2019-11-07 01:01:30,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:30,172 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50777291] [2019-11-07 01:01:30,172 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:30,172 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:30,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119422056] [2019-11-07 01:01:30,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:30,175 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:30,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:30,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:30,175 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2019-11-07 01:01:30,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:30,197 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2019-11-07 01:01:30,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:30,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:01:30,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:30,200 INFO L225 Difference]: With dead ends: 163 [2019-11-07 01:01:30,200 INFO L226 Difference]: Without dead ends: 103 [2019-11-07 01:01:30,202 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:30,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-07 01:01:30,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-11-07 01:01:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-07 01:01:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2019-11-07 01:01:30,215 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2019-11-07 01:01:30,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:30,215 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2019-11-07 01:01:30,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2019-11-07 01:01:30,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:01:30,218 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:30,218 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:30,218 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:30,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:30,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1057002583, now seen corresponding path program 1 times [2019-11-07 01:01:30,219 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:30,219 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997339602] [2019-11-07 01:01:30,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:30,366 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997339602] [2019-11-07 01:01:30,366 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:30,367 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:30,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981525230] [2019-11-07 01:01:30,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:30,368 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:30,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:30,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:30,369 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2019-11-07 01:01:30,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:30,783 INFO L93 Difference]: Finished difference Result 311 states and 374 transitions. [2019-11-07 01:01:30,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:30,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-11-07 01:01:30,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:30,787 INFO L225 Difference]: With dead ends: 311 [2019-11-07 01:01:30,787 INFO L226 Difference]: Without dead ends: 232 [2019-11-07 01:01:30,789 INFO L630 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 [2019-11-07 01:01:30,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-11-07 01:01:30,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2019-11-07 01:01:30,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-11-07 01:01:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2019-11-07 01:01:30,825 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2019-11-07 01:01:30,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:30,826 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2019-11-07 01:01:30,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2019-11-07 01:01:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 01:01:30,829 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:30,829 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:30,829 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:30,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:30,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1843591259, now seen corresponding path program 1 times [2019-11-07 01:01:30,830 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:30,830 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519404286] [2019-11-07 01:01:30,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:31,050 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519404286] [2019-11-07 01:01:31,050 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:31,050 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:31,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014449881] [2019-11-07 01:01:31,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:31,051 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:31,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:31,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:31,052 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2019-11-07 01:01:31,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:31,621 INFO L93 Difference]: Finished difference Result 760 states and 975 transitions. [2019-11-07 01:01:31,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:01:31,624 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-11-07 01:01:31,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:31,637 INFO L225 Difference]: With dead ends: 760 [2019-11-07 01:01:31,637 INFO L226 Difference]: Without dead ends: 564 [2019-11-07 01:01:31,642 INFO L630 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 [2019-11-07 01:01:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-11-07 01:01:31,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2019-11-07 01:01:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-11-07 01:01:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2019-11-07 01:01:31,748 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2019-11-07 01:01:31,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:31,750 INFO L462 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2019-11-07 01:01:31,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2019-11-07 01:01:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 01:01:31,759 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:31,759 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:31,759 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:31,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:31,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1600095125, now seen corresponding path program 1 times [2019-11-07 01:01:31,760 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:31,760 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487118354] [2019-11-07 01:01:31,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:31,865 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487118354] [2019-11-07 01:01:31,865 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:31,865 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:01:31,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777031805] [2019-11-07 01:01:31,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:01:31,866 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:31,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:31,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:01:31,867 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2019-11-07 01:01:32,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:32,045 INFO L93 Difference]: Finished difference Result 936 states and 1192 transitions. [2019-11-07 01:01:32,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:01:32,047 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-11-07 01:01:32,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:32,052 INFO L225 Difference]: With dead ends: 936 [2019-11-07 01:01:32,052 INFO L226 Difference]: Without dead ends: 408 [2019-11-07 01:01:32,055 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:32,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-11-07 01:01:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-11-07 01:01:32,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-11-07 01:01:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2019-11-07 01:01:32,093 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2019-11-07 01:01:32,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:32,094 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2019-11-07 01:01:32,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:01:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2019-11-07 01:01:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:01:32,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:32,099 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:32,099 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:32,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:32,099 INFO L82 PathProgramCache]: Analyzing trace with hash -2108479595, now seen corresponding path program 1 times [2019-11-07 01:01:32,100 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:32,100 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687838825] [2019-11-07 01:01:32,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 01:01:32,222 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687838825] [2019-11-07 01:01:32,223 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803591683] [2019-11-07 01:01:32,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:32,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 01:01:32,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:32,550 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:32,551 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:32,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:01:32,815 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1475936691] [2019-11-07 01:01:32,821 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-11-07 01:01:32,863 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:01:32,863 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:01:32,947 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:01:32,948 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. [2019-11-07 01:01:32,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:32,953 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:01:33,015 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:01:33,015 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:01:33,019 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-11-07 01:01:33,019 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:01:33,020 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:01:33,021 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-11-07 01:01:33,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107933076] [2019-11-07 01:01:33,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:33,027 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:33,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:33,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:33,027 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 2 states. [2019-11-07 01:01:33,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:33,035 INFO L93 Difference]: Finished difference Result 396 states and 458 transitions. [2019-11-07 01:01:33,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:33,035 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-11-07 01:01:33,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:33,035 INFO L225 Difference]: With dead ends: 396 [2019-11-07 01:01:33,036 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:01:33,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 170 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:33,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:01:33,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:01:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:01:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:01:33,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-11-07 01:01:33,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:33,040 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:01:33,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:01:33,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:01:33,244 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:33,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:01:33,453 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-11-07 01:01:33,453 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-11-07 01:01:33,453 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-11-07 01:01:33,454 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-11-07 01:01:33,454 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2019-11-07 01:01:33,454 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-11-07 01:01:33,454 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-11-07 01:01:33,454 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-11-07 01:01:33,454 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-11-07 01:01:33,454 INFO L443 ceAbstractionStarter]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2019-11-07 01:01:33,454 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-11-07 01:01:33,455 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-11-07 01:01:33,455 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-11-07 01:01:33,455 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-11-07 01:01:33,455 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-11-07 01:01:33,455 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-11-07 01:01:33,455 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-11-07 01:01:33,455 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-11-07 01:01:33,456 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 01:01:33,456 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 01:01:33,456 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:01:33,456 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 01:01:33,456 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:01:33,456 INFO L446 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2019-11-07 01:01:33,456 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2019-11-07 01:01:33,456 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-11-07 01:01:33,457 INFO L446 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2019-11-07 01:01:33,457 INFO L443 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-11-07 01:01:33,457 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-11-07 01:01:33,457 INFO L443 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2019-11-07 01:01:33,457 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-11-07 01:01:33,457 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-11-07 01:01:33,457 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2019-11-07 01:01:33,457 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 605 627) the Hoare annotation is: true [2019-11-07 01:01:33,458 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2019-11-07 01:01:33,458 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2019-11-07 01:01:33,458 INFO L446 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2019-11-07 01:01:33,458 INFO L446 ceAbstractionStarter]: At program point L617-1(line 617) the Hoare annotation is: true [2019-11-07 01:01:33,458 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 622) no Hoare annotation was computed. [2019-11-07 01:01:33,458 INFO L443 ceAbstractionStarter]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2019-11-07 01:01:33,458 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-11-07 01:01:33,459 INFO L446 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: true [2019-11-07 01:01:33,459 INFO L446 ceAbstractionStarter]: At program point L611(line 611) the Hoare annotation is: true [2019-11-07 01:01:33,459 INFO L446 ceAbstractionStarter]: At program point L611-1(line 611) the Hoare annotation is: true [2019-11-07 01:01:33,459 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-07 01:01:33,459 INFO L443 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2019-11-07 01:01:33,459 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 563 586) no Hoare annotation was computed. [2019-11-07 01:01:33,459 INFO L443 ceAbstractionStarter]: For program point L575(line 575) no Hoare annotation was computed. [2019-11-07 01:01:33,460 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-07 01:01:33,460 INFO L443 ceAbstractionStarter]: For program point L573(line 573) no Hoare annotation was computed. [2019-11-07 01:01:33,460 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 563 586) no Hoare annotation was computed. [2019-11-07 01:01:33,460 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-07 01:01:33,460 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 563 586) no Hoare annotation was computed. [2019-11-07 01:01:33,460 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-07 01:01:33,460 INFO L443 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2019-11-07 01:01:33,460 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-07 01:01:33,460 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-07 01:01:33,461 INFO L443 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2019-11-07 01:01:33,461 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-07 01:01:33,461 INFO L443 ceAbstractionStarter]: For program point L579(line 579) no Hoare annotation was computed. [2019-11-07 01:01:33,461 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-11-07 01:01:33,461 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 671 677) no Hoare annotation was computed. [2019-11-07 01:01:33,461 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 671 677) the Hoare annotation is: true [2019-11-07 01:01:33,461 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2019-11-07 01:01:33,461 INFO L446 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2019-11-07 01:01:33,461 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-11-07 01:01:33,462 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: true [2019-11-07 01:01:33,462 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2019-11-07 01:01:33,462 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 704 711) no Hoare annotation was computed. [2019-11-07 01:01:33,462 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 704 711) no Hoare annotation was computed. [2019-11-07 01:01:33,462 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseFINAL(lines 704 711) no Hoare annotation was computed. [2019-11-07 01:01:33,462 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2019-11-07 01:01:33,462 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2019-11-07 01:01:33,462 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2019-11-07 01:01:33,463 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 772) no Hoare annotation was computed. [2019-11-07 01:01:33,463 INFO L443 ceAbstractionStarter]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2019-11-07 01:01:33,463 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-11-07 01:01:33,463 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-11-07 01:01:33,463 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2019-11-07 01:01:33,463 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 784) no Hoare annotation was computed. [2019-11-07 01:01:33,463 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2019-11-07 01:01:33,463 INFO L443 ceAbstractionStarter]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2019-11-07 01:01:33,463 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2019-11-07 01:01:33,464 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 01:01:33,464 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 01:01:33,464 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-11-07 01:01:33,464 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-11-07 01:01:33,464 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2019-11-07 01:01:33,464 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 424) no Hoare annotation was computed. [2019-11-07 01:01:33,464 INFO L443 ceAbstractionStarter]: For program point L411(lines 411 431) no Hoare annotation was computed. [2019-11-07 01:01:33,464 INFO L443 ceAbstractionStarter]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2019-11-07 01:01:33,464 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2019-11-07 01:01:33,465 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-11-07 01:01:33,465 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-11-07 01:01:33,465 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 595 604) the Hoare annotation is: true [2019-11-07 01:01:33,465 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2019-11-07 01:01:33,465 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2019-11-07 01:01:33,465 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2019-11-07 01:01:33,465 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2019-11-07 01:01:33,466 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2019-11-07 01:01:33,466 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-11-07 01:01:33,466 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-11-07 01:01:33,466 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2019-11-07 01:01:33,466 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2019-11-07 01:01:33,466 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2019-11-07 01:01:33,466 INFO L446 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: true [2019-11-07 01:01:33,466 INFO L443 ceAbstractionStarter]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2019-11-07 01:01:33,466 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 679 703) no Hoare annotation was computed. [2019-11-07 01:01:33,467 INFO L446 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2019-11-07 01:01:33,467 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 679 703) the Hoare annotation is: true [2019-11-07 01:01:33,467 INFO L446 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: true [2019-11-07 01:01:33,467 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2019-11-07 01:01:33,467 INFO L446 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2019-11-07 01:01:33,467 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-11-07 01:01:33,467 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 700) no Hoare annotation was computed. [2019-11-07 01:01:33,467 INFO L446 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2019-11-07 01:01:33,468 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 843 910) the Hoare annotation is: true [2019-11-07 01:01:33,468 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-11-07 01:01:33,468 INFO L443 ceAbstractionStarter]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2019-11-07 01:01:33,468 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2019-11-07 01:01:33,468 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2019-11-07 01:01:33,468 INFO L446 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: true [2019-11-07 01:01:33,468 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-11-07 01:01:33,468 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-11-07 01:01:33,468 INFO L446 ceAbstractionStarter]: At program point L891-1(lines 883 898) the Hoare annotation is: true [2019-11-07 01:01:33,469 INFO L443 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2019-11-07 01:01:33,469 INFO L446 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: true [2019-11-07 01:01:33,469 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2019-11-07 01:01:33,469 INFO L446 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: true [2019-11-07 01:01:33,469 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-11-07 01:01:33,469 INFO L443 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2019-11-07 01:01:33,469 INFO L446 ceAbstractionStarter]: At program point L900(lines 853 902) the Hoare annotation is: true [2019-11-07 01:01:33,469 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2019-11-07 01:01:33,470 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-11-07 01:01:33,470 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-11-07 01:01:33,470 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 378) no Hoare annotation was computed. [2019-11-07 01:01:33,470 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2019-11-07 01:01:33,470 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 385) no Hoare annotation was computed. [2019-11-07 01:01:33,470 INFO L443 ceAbstractionStarter]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2019-11-07 01:01:33,470 INFO L443 ceAbstractionStarter]: For program point L505(lines 505 513) no Hoare annotation was computed. [2019-11-07 01:01:33,470 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2019-11-07 01:01:33,470 INFO L443 ceAbstractionStarter]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2019-11-07 01:01:33,471 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2019-11-07 01:01:33,471 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2019-11-07 01:01:33,471 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:01:33,471 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:01:33,471 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:01:33,471 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-11-07 01:01:33,471 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-11-07 01:01:33,471 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-11-07 01:01:33,472 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 344) no Hoare annotation was computed. [2019-11-07 01:01:33,472 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-11-07 01:01:33,472 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-11-07 01:01:33,472 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-11-07 01:01:33,472 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-11-07 01:01:33,472 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-11-07 01:01:33,472 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-11-07 01:01:33,472 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-11-07 01:01:33,472 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-11-07 01:01:33,473 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-11-07 01:01:33,473 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2019-11-07 01:01:33,473 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 303) no Hoare annotation was computed. [2019-11-07 01:01:33,473 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-11-07 01:01:33,473 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:33,473 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 01:01:33,473 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:33,473 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-11-07 01:01:33,474 INFO L443 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2019-11-07 01:01:33,474 INFO L443 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2019-11-07 01:01:33,474 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 712 728) no Hoare annotation was computed. [2019-11-07 01:01:33,474 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 712 728) no Hoare annotation was computed. [2019-11-07 01:01:33,474 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-11-07 01:01:33,474 INFO L443 ceAbstractionStarter]: For program point L723-1(lines 712 728) no Hoare annotation was computed. [2019-11-07 01:01:33,475 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2019-11-07 01:01:33,475 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2019-11-07 01:01:33,475 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2019-11-07 01:01:33,475 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:33,475 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:33,475 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:33,475 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2019-11-07 01:01:33,475 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2019-11-07 01:01:33,475 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2019-11-07 01:01:33,476 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2019-11-07 01:01:33,476 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2019-11-07 01:01:33,476 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2019-11-07 01:01:33,476 INFO L446 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: true [2019-11-07 01:01:33,476 INFO L446 ceAbstractionStarter]: At program point L658(lines 658 664) the Hoare annotation is: true [2019-11-07 01:01:33,476 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: true [2019-11-07 01:01:33,476 INFO L446 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2019-11-07 01:01:33,476 INFO L443 ceAbstractionStarter]: For program point L651(lines 650 669) no Hoare annotation was computed. [2019-11-07 01:01:33,477 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2019-11-07 01:01:33,477 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2019-11-07 01:01:33,477 INFO L446 ceAbstractionStarter]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2019-11-07 01:01:33,477 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2019-11-07 01:01:33,477 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-11-07 01:01:33,477 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2019-11-07 01:01:33,477 INFO L446 ceAbstractionStarter]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2019-11-07 01:01:33,477 INFO L446 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2019-11-07 01:01:33,477 INFO L443 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2019-11-07 01:01:33,478 INFO L446 ceAbstractionStarter]: At program point L557(lines 532 561) the Hoare annotation is: true [2019-11-07 01:01:33,478 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-07 01:01:33,478 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 550) no Hoare annotation was computed. [2019-11-07 01:01:33,478 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2019-11-07 01:01:33,478 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2019-11-07 01:01:33,478 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2019-11-07 01:01:33,478 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2019-11-07 01:01:33,478 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2019-11-07 01:01:33,479 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:33,479 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:01:33,479 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:33,479 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:33,479 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2019-11-07 01:01:33,479 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: true [2019-11-07 01:01:33,479 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2019-11-07 01:01:33,479 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2019-11-07 01:01:33,480 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: true [2019-11-07 01:01:33,480 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2019-11-07 01:01:33,480 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 629 636) no Hoare annotation was computed. [2019-11-07 01:01:33,480 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-11-07 01:01:33,480 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 629 636) the Hoare annotation is: true [2019-11-07 01:01:33,480 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 629 636) no Hoare annotation was computed. [2019-11-07 01:01:33,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:33 BoogieIcfgContainer [2019-11-07 01:01:33,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:33,495 INFO L168 Benchmark]: Toolchain (without parser) took 6042.81 ms. Allocated memory was 145.2 MB in the beginning and 285.2 MB in the end (delta: 140.0 MB). Free memory was 100.2 MB in the beginning and 144.6 MB in the end (delta: -44.4 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:33,496 INFO L168 Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 01:01:33,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.42 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.0 MB in the beginning and 169.3 MB in the end (delta: -69.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:33,498 INFO L168 Benchmark]: Boogie Preprocessor took 85.18 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 165.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:33,499 INFO L168 Benchmark]: RCFGBuilder took 1087.42 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 198.6 MB in the end (delta: -33.2 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:33,500 INFO L168 Benchmark]: TraceAbstraction took 4145.52 ms. Allocated memory was 235.9 MB in the beginning and 285.2 MB in the end (delta: 49.3 MB). Free memory was 197.1 MB in the beginning and 144.6 MB in the end (delta: 52.5 MB). Peak memory consumption was 101.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:33,504 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.42 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.0 MB in the beginning and 169.3 MB in the end (delta: -69.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.18 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 165.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1087.42 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 198.6 MB in the end (delta: -33.2 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4145.52 ms. Allocated memory was 235.9 MB in the beginning and 285.2 MB in the end (delta: 49.3 MB). Free memory was 197.1 MB in the beginning and 144.6 MB in the end (delta: 52.5 MB). Peak memory consumption was 101.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: 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: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 632 SDtfs, 485 SDslu, 1436 SDs, 0 SdLazy, 485 SolverSat, 117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 193 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 547 PreInvPairs, 548 NumberOfFragments, 56 HoareAnnotationTreeSize, 547 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 132, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, 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...