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_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:48,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:48,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:48,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:48,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:48,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:48,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:48,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:48,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:48,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:48,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:48,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:48,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:48,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:48,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:48,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:48,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:48,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:48,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:48,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:48,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:48,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:48,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:48,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:48,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:48,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:48,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:48,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:48,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:48,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:48,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:48,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:48,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:48,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:48,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:48,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:48,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:48,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:48,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:48,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:48,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:48,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:48,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:48,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:48,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:48,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:48,164 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:48,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:48,164 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:48,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:48,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:48,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:48,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:48,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:48,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:48,166 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:48,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:48,166 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:48,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:48,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:48,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:48,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:48,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:48,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:48,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:48,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:48,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:48,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:48,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:48,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:48,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:48,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:48,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:48,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:48,567 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:48,567 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:48,568 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2019-10-13 21:22:48,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c275326/6a84f3ed8d324faa86c039874023101a/FLAGc6ade16ad [2019-10-13 21:22:49,207 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:49,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2019-10-13 21:22:49,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c275326/6a84f3ed8d324faa86c039874023101a/FLAGc6ade16ad [2019-10-13 21:22:49,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c275326/6a84f3ed8d324faa86c039874023101a [2019-10-13 21:22:49,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:49,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:49,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:49,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:49,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:49,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:49" (1/1) ... [2019-10-13 21:22:49,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626b4f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:49, skipping insertion in model container [2019-10-13 21:22:49,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:49" (1/1) ... [2019-10-13 21:22:49,531 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:49,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:49,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:50,064 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:50,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:50,220 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:50,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50 WrapperNode [2019-10-13 21:22:50,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:50,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:50,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:50,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:50,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... [2019-10-13 21:22:50,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:50,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:50,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:50,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:50,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:51,653 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:51,654 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:51,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:51 BoogieIcfgContainer [2019-10-13 21:22:51,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:51,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:51,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:51,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:51,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:49" (1/3) ... [2019-10-13 21:22:51,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2640d934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:51, skipping insertion in model container [2019-10-13 21:22:51,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (2/3) ... [2019-10-13 21:22:51,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2640d934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:51, skipping insertion in model container [2019-10-13 21:22:51,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:51" (3/3) ... [2019-10-13 21:22:51,667 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2019-10-13 21:22:51,677 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:51,689 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:51,700 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:51,742 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:51,743 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:51,743 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:51,743 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:51,743 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:51,744 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:51,744 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:51,744 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2019-10-13 21:22:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:51,779 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:51,780 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:51,782 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:51,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:51,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1391539258, now seen corresponding path program 1 times [2019-10-13 21:22:51,798 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:51,799 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048146768] [2019-10-13 21:22:51,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:52,191 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048146768] [2019-10-13 21:22:52,192 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:52,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:52,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124539712] [2019-10-13 21:22:52,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:52,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:52,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:52,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:52,223 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2019-10-13 21:22:52,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:52,268 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2019-10-13 21:22:52,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:52,270 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:52,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:52,283 INFO L225 Difference]: With dead ends: 302 [2019-10-13 21:22:52,283 INFO L226 Difference]: Without dead ends: 153 [2019-10-13 21:22:52,288 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-13 21:22:52,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-10-13 21:22:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-13 21:22:52,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2019-10-13 21:22:52,344 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 59 [2019-10-13 21:22:52,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:52,345 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2019-10-13 21:22:52,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2019-10-13 21:22:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:52,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:52,349 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:52,350 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:52,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:52,350 INFO L82 PathProgramCache]: Analyzing trace with hash 404948371, now seen corresponding path program 1 times [2019-10-13 21:22:52,350 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:52,351 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138497236] [2019-10-13 21:22:52,351 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,351 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:52,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138497236] [2019-10-13 21:22:52,462 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:52,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:52,463 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233321064] [2019-10-13 21:22:52,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:52,465 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:52,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:52,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:52,466 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 3 states. [2019-10-13 21:22:52,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:52,493 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2019-10-13 21:22:52,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:52,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:52,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:52,497 INFO L225 Difference]: With dead ends: 241 [2019-10-13 21:22:52,497 INFO L226 Difference]: Without dead ends: 144 [2019-10-13 21:22:52,499 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:52,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-13 21:22:52,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-13 21:22:52,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-13 21:22:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-10-13 21:22:52,516 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 60 [2019-10-13 21:22:52,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:52,517 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-10-13 21:22:52,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-10-13 21:22:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:22:52,520 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:52,520 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:52,521 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:52,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:52,521 INFO L82 PathProgramCache]: Analyzing trace with hash 539093391, now seen corresponding path program 1 times [2019-10-13 21:22:52,521 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:52,522 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124775910] [2019-10-13 21:22:52,522 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,522 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:52,709 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124775910] [2019-10-13 21:22:52,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:52,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:52,710 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43765303] [2019-10-13 21:22:52,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:52,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:52,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:52,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:52,712 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 7 states. [2019-10-13 21:22:53,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:53,282 INFO L93 Difference]: Finished difference Result 432 states and 524 transitions. [2019-10-13 21:22:53,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:53,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:22:53,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:53,287 INFO L225 Difference]: With dead ends: 432 [2019-10-13 21:22:53,288 INFO L226 Difference]: Without dead ends: 316 [2019-10-13 21:22:53,289 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:53,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2019-10-13 21:22:53,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 304. [2019-10-13 21:22:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-10-13 21:22:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2019-10-13 21:22:53,331 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 65 [2019-10-13 21:22:53,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:53,332 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2019-10-13 21:22:53,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2019-10-13 21:22:53,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:53,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:53,341 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:53,342 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:53,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:53,342 INFO L82 PathProgramCache]: Analyzing trace with hash -652418830, now seen corresponding path program 1 times [2019-10-13 21:22:53,343 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:53,343 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544768866] [2019-10-13 21:22:53,343 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,343 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:53,546 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544768866] [2019-10-13 21:22:53,546 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:53,546 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:53,547 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228059463] [2019-10-13 21:22:53,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:53,547 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:53,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:53,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:53,548 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand 7 states. [2019-10-13 21:22:54,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:54,349 INFO L93 Difference]: Finished difference Result 784 states and 1010 transitions. [2019-10-13 21:22:54,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:54,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:22:54,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:54,355 INFO L225 Difference]: With dead ends: 784 [2019-10-13 21:22:54,356 INFO L226 Difference]: Without dead ends: 508 [2019-10-13 21:22:54,358 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:54,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2019-10-13 21:22:54,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 454. [2019-10-13 21:22:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-13 21:22:54,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 541 transitions. [2019-10-13 21:22:54,409 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 541 transitions. Word has length 70 [2019-10-13 21:22:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:54,409 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 541 transitions. [2019-10-13 21:22:54,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 541 transitions. [2019-10-13 21:22:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:22:54,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:54,413 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:54,413 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:54,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:54,414 INFO L82 PathProgramCache]: Analyzing trace with hash -918633805, now seen corresponding path program 1 times [2019-10-13 21:22:54,414 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:54,414 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263264008] [2019-10-13 21:22:54,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:54,549 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263264008] [2019-10-13 21:22:54,550 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:54,550 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:54,550 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858967638] [2019-10-13 21:22:54,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:54,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:54,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:54,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:54,554 INFO L87 Difference]: Start difference. First operand 454 states and 541 transitions. Second operand 4 states. [2019-10-13 21:22:54,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:54,903 INFO L93 Difference]: Finished difference Result 1650 states and 2082 transitions. [2019-10-13 21:22:54,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:54,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-10-13 21:22:54,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:54,912 INFO L225 Difference]: With dead ends: 1650 [2019-10-13 21:22:54,912 INFO L226 Difference]: Without dead ends: 1224 [2019-10-13 21:22:54,914 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:54,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2019-10-13 21:22:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1198. [2019-10-13 21:22:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2019-10-13 21:22:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1479 transitions. [2019-10-13 21:22:54,995 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1479 transitions. Word has length 108 [2019-10-13 21:22:54,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:54,996 INFO L462 AbstractCegarLoop]: Abstraction has 1198 states and 1479 transitions. [2019-10-13 21:22:54,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:54,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1479 transitions. [2019-10-13 21:22:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:22:55,000 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:55,000 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:55,000 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:55,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:55,001 INFO L82 PathProgramCache]: Analyzing trace with hash -678093676, now seen corresponding path program 1 times [2019-10-13 21:22:55,001 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:55,001 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222652547] [2019-10-13 21:22:55,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,002 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:55,081 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222652547] [2019-10-13 21:22:55,082 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:55,082 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:55,082 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41051916] [2019-10-13 21:22:55,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:55,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:55,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:55,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:55,084 INFO L87 Difference]: Start difference. First operand 1198 states and 1479 transitions. Second operand 6 states. [2019-10-13 21:22:55,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:55,161 INFO L93 Difference]: Finished difference Result 2410 states and 3092 transitions. [2019-10-13 21:22:55,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:55,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-13 21:22:55,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:55,170 INFO L225 Difference]: With dead ends: 2410 [2019-10-13 21:22:55,170 INFO L226 Difference]: Without dead ends: 1240 [2019-10-13 21:22:55,174 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:55,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2019-10-13 21:22:55,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1228. [2019-10-13 21:22:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1228 states. [2019-10-13 21:22:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1511 transitions. [2019-10-13 21:22:55,252 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1511 transitions. Word has length 108 [2019-10-13 21:22:55,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:55,252 INFO L462 AbstractCegarLoop]: Abstraction has 1228 states and 1511 transitions. [2019-10-13 21:22:55,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1511 transitions. [2019-10-13 21:22:55,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:22:55,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:55,256 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:55,256 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:55,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:55,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1250179026, now seen corresponding path program 1 times [2019-10-13 21:22:55,257 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:55,257 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497598476] [2019-10-13 21:22:55,257 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,258 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:55,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497598476] [2019-10-13 21:22:55,393 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:55,393 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:55,393 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160036376] [2019-10-13 21:22:55,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:55,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:55,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:55,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:55,395 INFO L87 Difference]: Start difference. First operand 1228 states and 1511 transitions. Second operand 8 states. [2019-10-13 21:22:55,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:55,468 INFO L93 Difference]: Finished difference Result 2217 states and 2807 transitions. [2019-10-13 21:22:55,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:55,469 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-13 21:22:55,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:55,476 INFO L225 Difference]: With dead ends: 2217 [2019-10-13 21:22:55,476 INFO L226 Difference]: Without dead ends: 1017 [2019-10-13 21:22:55,480 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:55,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2019-10-13 21:22:55,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1017. [2019-10-13 21:22:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1017 states. [2019-10-13 21:22:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1238 transitions. [2019-10-13 21:22:55,541 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1238 transitions. Word has length 108 [2019-10-13 21:22:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:55,542 INFO L462 AbstractCegarLoop]: Abstraction has 1017 states and 1238 transitions. [2019-10-13 21:22:55,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1238 transitions. [2019-10-13 21:22:55,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 21:22:55,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:55,545 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:55,545 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:55,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:55,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1890897259, now seen corresponding path program 1 times [2019-10-13 21:22:55,546 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:55,546 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315999071] [2019-10-13 21:22:55,546 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,546 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:55,712 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315999071] [2019-10-13 21:22:55,712 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:55,712 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:55,713 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198557274] [2019-10-13 21:22:55,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:55,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:55,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:55,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:55,714 INFO L87 Difference]: Start difference. First operand 1017 states and 1238 transitions. Second operand 9 states. [2019-10-13 21:22:57,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:57,094 INFO L93 Difference]: Finished difference Result 2788 states and 3552 transitions. [2019-10-13 21:22:57,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:57,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2019-10-13 21:22:57,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:57,112 INFO L225 Difference]: With dead ends: 2788 [2019-10-13 21:22:57,113 INFO L226 Difference]: Without dead ends: 1985 [2019-10-13 21:22:57,119 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:57,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-10-13 21:22:57,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1752. [2019-10-13 21:22:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1752 states. [2019-10-13 21:22:57,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2101 transitions. [2019-10-13 21:22:57,257 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2101 transitions. Word has length 112 [2019-10-13 21:22:57,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:57,260 INFO L462 AbstractCegarLoop]: Abstraction has 1752 states and 2101 transitions. [2019-10-13 21:22:57,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2101 transitions. [2019-10-13 21:22:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 21:22:57,268 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:57,268 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:57,269 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:57,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:57,269 INFO L82 PathProgramCache]: Analyzing trace with hash 828062466, now seen corresponding path program 1 times [2019-10-13 21:22:57,269 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:57,270 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106077433] [2019-10-13 21:22:57,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:57,489 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 21:22:57,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106077433] [2019-10-13 21:22:57,491 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026589774] [2019-10-13 21:22:57,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:57,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:57,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:57,948 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 21:22:58,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1394719397] [2019-10-13 21:22:58,464 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 173 [2019-10-13 21:22:58,542 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:58,543 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:58,622 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:58,624 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:58,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:58,629 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:58,690 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:58,690 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:58,695 INFO L553 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2019-10-13 21:22:58,695 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:58,696 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:58,696 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:58,696 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372688102] [2019-10-13 21:22:58,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:58,698 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:58,698 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:58,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:58,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:58,699 INFO L87 Difference]: Start difference. First operand 1752 states and 2101 transitions. Second operand 2 states. [2019-10-13 21:22:58,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:58,725 INFO L93 Difference]: Finished difference Result 1752 states and 2101 transitions. [2019-10-13 21:22:58,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:58,725 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-10-13 21:22:58,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:58,726 INFO L225 Difference]: With dead ends: 1752 [2019-10-13 21:22:58,726 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:58,734 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:58,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:58,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:58,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-10-13 21:22:58,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:58,736 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:58,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:58,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:58,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:58,942 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:58,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:59,407 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:22:59,407 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:22:59,408 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:22:59,408 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:22:59,408 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:59,408 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:22:59,409 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:59,409 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:59,409 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:22:59,409 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:22:59,409 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:59,409 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:22:59,410 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:22:59,410 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:22:59,410 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:59,410 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:22:59,410 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:59,410 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:22:59,411 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 984 990) the Hoare annotation is: true [2019-10-13 21:22:59,411 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 984 990) no Hoare annotation was computed. [2019-10-13 21:22:59,411 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 991 999) no Hoare annotation was computed. [2019-10-13 21:22:59,411 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 991 999) the Hoare annotation is: true [2019-10-13 21:22:59,411 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 991 999) no Hoare annotation was computed. [2019-10-13 21:22:59,412 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 918 925) the Hoare annotation is: true [2019-10-13 21:22:59,412 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 918 925) no Hoare annotation was computed. [2019-10-13 21:22:59,412 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 918 925) no Hoare annotation was computed. [2019-10-13 21:22:59,412 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 926 935) the Hoare annotation is: true [2019-10-13 21:22:59,412 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 926 935) no Hoare annotation was computed. [2019-10-13 21:22:59,412 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 926 935) no Hoare annotation was computed. [2019-10-13 21:22:59,413 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-13 21:22:59,413 INFO L446 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2019-10-13 21:22:59,413 INFO L443 ceAbstractionStarter]: For program point L949(lines 949 955) no Hoare annotation was computed. [2019-10-13 21:22:59,413 INFO L443 ceAbstractionStarter]: For program point L948(lines 948 958) no Hoare annotation was computed. [2019-10-13 21:22:59,413 INFO L446 ceAbstractionStarter]: At program point L946(line 946) the Hoare annotation is: true [2019-10-13 21:22:59,414 INFO L443 ceAbstractionStarter]: For program point L946-1(line 946) no Hoare annotation was computed. [2019-10-13 21:22:59,414 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 936 964) the Hoare annotation is: true [2019-10-13 21:22:59,414 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 961) no Hoare annotation was computed. [2019-10-13 21:22:59,414 INFO L443 ceAbstractionStarter]: For program point L944-1(lines 936 964) no Hoare annotation was computed. [2019-10-13 21:22:59,414 INFO L446 ceAbstractionStarter]: At program point L942(line 942) the Hoare annotation is: true [2019-10-13 21:22:59,414 INFO L443 ceAbstractionStarter]: For program point L942-1(line 942) no Hoare annotation was computed. [2019-10-13 21:22:59,415 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 936 964) no Hoare annotation was computed. [2019-10-13 21:22:59,415 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 893 915) the Hoare annotation is: true [2019-10-13 21:22:59,415 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 893 915) no Hoare annotation was computed. [2019-10-13 21:22:59,415 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 893 915) no Hoare annotation was computed. [2019-10-13 21:22:59,415 INFO L446 ceAbstractionStarter]: At program point L905(line 905) the Hoare annotation is: true [2019-10-13 21:22:59,415 INFO L446 ceAbstractionStarter]: At program point L905-1(line 905) the Hoare annotation is: true [2019-10-13 21:22:59,416 INFO L443 ceAbstractionStarter]: For program point L903(lines 903 910) no Hoare annotation was computed. [2019-10-13 21:22:59,416 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 903 910) no Hoare annotation was computed. [2019-10-13 21:22:59,416 INFO L443 ceAbstractionStarter]: For program point L901(line 901) no Hoare annotation was computed. [2019-10-13 21:22:59,416 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-10-13 21:22:59,416 INFO L446 ceAbstractionStarter]: At program point L899(line 899) the Hoare annotation is: true [2019-10-13 21:22:59,416 INFO L446 ceAbstractionStarter]: At program point L899-1(line 899) the Hoare annotation is: true [2019-10-13 21:22:59,417 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-13 21:22:59,417 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-13 21:22:59,417 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2019-10-13 21:22:59,417 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-13 21:22:59,417 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-10-13 21:22:59,417 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-13 21:22:59,418 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2019-10-13 21:22:59,418 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-13 21:22:59,418 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2019-10-13 21:22:59,418 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-10-13 21:22:59,418 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-13 21:22:59,418 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-13 21:22:59,419 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-13 21:22:59,419 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-13 21:22:59,419 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-13 21:22:59,419 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-13 21:22:59,419 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-13 21:22:59,420 INFO L446 ceAbstractionStarter]: At program point L544(line 544) the Hoare annotation is: true [2019-10-13 21:22:59,420 INFO L443 ceAbstractionStarter]: For program point L544-1(line 544) no Hoare annotation was computed. [2019-10-13 21:22:59,420 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 559) no Hoare annotation was computed. [2019-10-13 21:22:59,420 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 538 562) the Hoare annotation is: true [2019-10-13 21:22:59,421 INFO L446 ceAbstractionStarter]: At program point L557(line 557) the Hoare annotation is: true [2019-10-13 21:22:59,421 INFO L443 ceAbstractionStarter]: For program point L557-1(lines 538 562) no Hoare annotation was computed. [2019-10-13 21:22:59,421 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 538 562) no Hoare annotation was computed. [2019-10-13 21:22:59,421 INFO L446 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: true [2019-10-13 21:22:59,422 INFO L446 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: true [2019-10-13 21:22:59,422 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 554) no Hoare annotation was computed. [2019-10-13 21:22:59,422 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 697 711) no Hoare annotation was computed. [2019-10-13 21:22:59,422 INFO L446 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: true [2019-10-13 21:22:59,423 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-10-13 21:22:59,423 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 697 711) the Hoare annotation is: true [2019-10-13 21:22:59,423 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 697 711) no Hoare annotation was computed. [2019-10-13 21:22:59,423 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2019-10-13 21:22:59,423 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2019-10-13 21:22:59,424 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2019-10-13 21:22:59,424 INFO L443 ceAbstractionStarter]: For program point L672(line 672) no Hoare annotation was computed. [2019-10-13 21:22:59,424 INFO L443 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2019-10-13 21:22:59,424 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-10-13 21:22:59,424 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2019-10-13 21:22:59,424 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2019-10-13 21:22:59,425 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 657) no Hoare annotation was computed. [2019-10-13 21:22:59,425 INFO L443 ceAbstractionStarter]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2019-10-13 21:22:59,425 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2019-10-13 21:22:59,425 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2019-10-13 21:22:59,425 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 977 983) no Hoare annotation was computed. [2019-10-13 21:22:59,425 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 977 983) the Hoare annotation is: true [2019-10-13 21:22:59,426 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:59,426 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:59,426 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:59,426 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:22:59,426 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:59,426 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:22:59,460 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:22:59,460 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:59,461 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:59,461 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 879 889) the Hoare annotation is: true [2019-10-13 21:22:59,461 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 879 889) no Hoare annotation was computed. [2019-10-13 21:22:59,461 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 879 889) no Hoare annotation was computed. [2019-10-13 21:22:59,461 INFO L446 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: true [2019-10-13 21:22:59,461 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2019-10-13 21:22:59,461 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2019-10-13 21:22:59,462 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2019-10-13 21:22:59,462 INFO L446 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2019-10-13 21:22:59,462 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-10-13 21:22:59,462 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: true [2019-10-13 21:22:59,463 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2019-10-13 21:22:59,463 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2019-10-13 21:22:59,463 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 801 814) no Hoare annotation was computed. [2019-10-13 21:22:59,463 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-10-13 21:22:59,463 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 801 814) the Hoare annotation is: true [2019-10-13 21:22:59,463 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 801 814) no Hoare annotation was computed. [2019-10-13 21:22:59,464 INFO L446 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: true [2019-10-13 21:22:59,464 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2019-10-13 21:22:59,464 INFO L446 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: true [2019-10-13 21:22:59,464 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-10-13 21:22:59,464 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2019-10-13 21:22:59,465 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 564 588) no Hoare annotation was computed. [2019-10-13 21:22:59,465 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 564 588) the Hoare annotation is: true [2019-10-13 21:22:59,465 INFO L446 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: true [2019-10-13 21:22:59,465 INFO L443 ceAbstractionStarter]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2019-10-13 21:22:59,465 INFO L446 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: true [2019-10-13 21:22:59,465 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 530 536) no Hoare annotation was computed. [2019-10-13 21:22:59,466 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 530 536) the Hoare annotation is: true [2019-10-13 21:22:59,466 INFO L446 ceAbstractionStarter]: At program point L481(lines 430 482) the Hoare annotation is: true [2019-10-13 21:22:59,466 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 421 488) the Hoare annotation is: true [2019-10-13 21:22:59,466 INFO L446 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: true [2019-10-13 21:22:59,466 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 421 488) no Hoare annotation was computed. [2019-10-13 21:22:59,467 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 475) no Hoare annotation was computed. [2019-10-13 21:22:59,467 INFO L446 ceAbstractionStarter]: At program point L469-1(lines 461 476) the Hoare annotation is: true [2019-10-13 21:22:59,467 INFO L443 ceAbstractionStarter]: For program point L432(lines 431 480) no Hoare annotation was computed. [2019-10-13 21:22:59,468 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-10-13 21:22:59,468 INFO L443 ceAbstractionStarter]: For program point L461(lines 461 476) no Hoare annotation was computed. [2019-10-13 21:22:59,468 INFO L446 ceAbstractionStarter]: At program point L453(line 453) the Hoare annotation is: true [2019-10-13 21:22:59,468 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 457) no Hoare annotation was computed. [2019-10-13 21:22:59,468 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2019-10-13 21:22:59,468 INFO L446 ceAbstractionStarter]: At program point L478(lines 431 480) the Hoare annotation is: true [2019-10-13 21:22:59,468 INFO L446 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2019-10-13 21:22:59,469 INFO L443 ceAbstractionStarter]: For program point L441(lines 441 447) no Hoare annotation was computed. [2019-10-13 21:22:59,469 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 441 447) no Hoare annotation was computed. [2019-10-13 21:22:59,469 INFO L443 ceAbstractionStarter]: For program point L433(lines 433 437) no Hoare annotation was computed. [2019-10-13 21:22:59,469 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 421 488) no Hoare annotation was computed. [2019-10-13 21:22:59,469 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:59,469 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:59,469 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:59,470 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:22:59,470 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:22:59,470 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:22:59,470 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 589 596) the Hoare annotation is: true [2019-10-13 21:22:59,470 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 589 596) no Hoare annotation was computed. [2019-10-13 21:22:59,470 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 589 596) no Hoare annotation was computed. [2019-10-13 21:22:59,470 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 785) no Hoare annotation was computed. [2019-10-13 21:22:59,470 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 769 791) no Hoare annotation was computed. [2019-10-13 21:22:59,471 INFO L443 ceAbstractionStarter]: For program point L777-2(lines 777 785) no Hoare annotation was computed. [2019-10-13 21:22:59,471 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 769 791) no Hoare annotation was computed. [2019-10-13 21:22:59,471 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 769 791) no Hoare annotation was computed. [2019-10-13 21:22:59,471 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:22:59,471 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:59,471 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:22:59,471 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:22:59,472 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:22:59,472 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:22:59,472 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:59,472 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:22:59,472 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:22:59,472 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:22:59,472 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:59,472 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:22:59,473 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:22:59,473 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:22:59,473 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:22:59,473 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:22:59,473 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 967 976) no Hoare annotation was computed. [2019-10-13 21:22:59,473 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 967 976) no Hoare annotation was computed. [2019-10-13 21:22:59,473 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 967 976) no Hoare annotation was computed. [2019-10-13 21:22:59,473 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:59,474 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:22:59,474 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:59,474 INFO L446 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: true [2019-10-13 21:22:59,474 INFO L443 ceAbstractionStarter]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2019-10-13 21:22:59,474 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 610) no Hoare annotation was computed. [2019-10-13 21:22:59,474 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2019-10-13 21:22:59,475 INFO L446 ceAbstractionStarter]: At program point L602(line 602) the Hoare annotation is: true [2019-10-13 21:22:59,475 INFO L443 ceAbstractionStarter]: For program point L602-1(line 602) no Hoare annotation was computed. [2019-10-13 21:22:59,475 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 597 613) the Hoare annotation is: true [2019-10-13 21:22:59,475 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2019-10-13 21:22:59,475 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2019-10-13 21:22:59,476 INFO L446 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2019-10-13 21:22:59,476 INFO L443 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2019-10-13 21:22:59,476 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-10-13 21:22:59,476 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2019-10-13 21:22:59,476 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2019-10-13 21:22:59,476 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 792 800) the Hoare annotation is: true [2019-10-13 21:22:59,477 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 792 800) no Hoare annotation was computed. [2019-10-13 21:22:59,477 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 792 800) no Hoare annotation was computed. [2019-10-13 21:22:59,477 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:59,477 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:59,477 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:59,478 INFO L443 ceAbstractionStarter]: For program point L752-1(lines 748 759) no Hoare annotation was computed. [2019-10-13 21:22:59,478 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 748 759) the Hoare annotation is: true [2019-10-13 21:22:59,478 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 748 759) no Hoare annotation was computed. [2019-10-13 21:22:59,478 INFO L446 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: true [2019-10-13 21:22:59,478 INFO L443 ceAbstractionStarter]: For program point L510(lines 506 528) no Hoare annotation was computed. [2019-10-13 21:22:59,478 INFO L443 ceAbstractionStarter]: For program point L508(lines 506 528) no Hoare annotation was computed. [2019-10-13 21:22:59,478 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: true [2019-10-13 21:22:59,479 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2019-10-13 21:22:59,479 INFO L446 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: true [2019-10-13 21:22:59,479 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2019-10-13 21:22:59,479 INFO L446 ceAbstractionStarter]: At program point L517(lines 517 523) the Hoare annotation is: true [2019-10-13 21:22:59,479 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2019-10-13 21:22:59,479 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-10-13 21:22:59,479 INFO L446 ceAbstractionStarter]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2019-10-13 21:22:59,480 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2019-10-13 21:22:59,480 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-13 21:22:59,480 INFO L446 ceAbstractionStarter]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2019-10-13 21:22:59,480 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-13 21:22:59,480 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-13 21:22:59,480 INFO L446 ceAbstractionStarter]: At program point L842(lines 817 846) the Hoare annotation is: true [2019-10-13 21:22:59,480 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-13 21:22:59,480 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 760 768) the Hoare annotation is: true [2019-10-13 21:22:59,481 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 760 768) no Hoare annotation was computed. [2019-10-13 21:22:59,481 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 760 768) no Hoare annotation was computed. [2019-10-13 21:22:59,481 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 724 735) the Hoare annotation is: true [2019-10-13 21:22:59,481 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 724 735) no Hoare annotation was computed. [2019-10-13 21:22:59,481 INFO L443 ceAbstractionStarter]: For program point L728-1(lines 724 735) no Hoare annotation was computed. [2019-10-13 21:22:59,481 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2019-10-13 21:22:59,481 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2019-10-13 21:22:59,481 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:59,482 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:59,482 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:59,482 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:59,482 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 712 719) no Hoare annotation was computed. [2019-10-13 21:22:59,482 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 712 719) the Hoare annotation is: true [2019-10-13 21:22:59,482 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 712 719) no Hoare annotation was computed. [2019-10-13 21:22:59,482 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 736 747) no Hoare annotation was computed. [2019-10-13 21:22:59,482 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 736 747) the Hoare annotation is: true [2019-10-13 21:22:59,483 INFO L443 ceAbstractionStarter]: For program point L740-1(lines 736 747) no Hoare annotation was computed. [2019-10-13 21:22:59,483 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2019-10-13 21:22:59,483 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-10-13 21:22:59,483 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2019-10-13 21:22:59,483 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2019-10-13 21:22:59,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:59 BoogieIcfgContainer [2019-10-13 21:22:59,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:59,496 INFO L168 Benchmark]: Toolchain (without parser) took 9981.82 ms. Allocated memory was 142.6 MB in the beginning and 364.4 MB in the end (delta: 221.8 MB). Free memory was 105.8 MB in the beginning and 317.9 MB in the end (delta: -212.2 MB). Peak memory consumption was 232.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:59,497 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 142.6 MB. Free memory was 125.9 MB in the beginning and 125.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:59,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.31 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 105.6 MB in the beginning and 173.1 MB in the end (delta: -67.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:59,498 INFO L168 Benchmark]: Boogie Preprocessor took 86.60 ms. Allocated memory is still 204.5 MB. Free memory was 173.1 MB in the beginning and 168.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:59,499 INFO L168 Benchmark]: RCFGBuilder took 1347.82 ms. Allocated memory was 204.5 MB in the beginning and 232.8 MB in the end (delta: 28.3 MB). Free memory was 168.7 MB in the beginning and 185.8 MB in the end (delta: -17.1 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:59,500 INFO L168 Benchmark]: TraceAbstraction took 7834.70 ms. Allocated memory was 232.8 MB in the beginning and 364.4 MB in the end (delta: 131.6 MB). Free memory was 184.5 MB in the beginning and 317.9 MB in the end (delta: -133.5 MB). Peak memory consumption was 221.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:59,504 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 142.6 MB. Free memory was 125.9 MB in the beginning and 125.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.31 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 105.6 MB in the beginning and 173.1 MB in the end (delta: -67.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.60 ms. Allocated memory is still 204.5 MB. Free memory was 173.1 MB in the beginning and 168.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1347.82 ms. Allocated memory was 204.5 MB in the beginning and 232.8 MB in the end (delta: 28.3 MB). Free memory was 168.7 MB in the beginning and 185.8 MB in the end (delta: -17.1 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7834.70 ms. Allocated memory was 232.8 MB in the beginning and 364.4 MB in the end (delta: 131.6 MB). Free memory was 184.5 MB in the beginning and 317.9 MB in the end (delta: -133.5 MB). Peak memory consumption was 221.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1623 SDtfs, 1204 SDslu, 3595 SDs, 0 SdLazy, 1812 SolverSat, 336 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1752occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 337 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2371 PreInvPairs, 2372 NumberOfFragments, 79 HoareAnnotationTreeSize, 2371 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1034 NumberOfCodeBlocks, 1034 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1195 ConstructedInterpolants, 0 QuantifiedInterpolants, 253415 SizeOfPredicates, 4 NumberOfNonLiveVariables, 974 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 148/177 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 166, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8128654970760234, 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...