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_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:56,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:56,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:56,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:56,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:56,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:56,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:56,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:56,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:56,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:56,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:56,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:56,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:56,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:56,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:56,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:56,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:56,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:56,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:56,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:56,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:56,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:56,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:56,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:56,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:56,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:56,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:56,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:56,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:56,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:56,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:56,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:56,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:56,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:56,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:56,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:56,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:56,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:56,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:56,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:56,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:56,171 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 21:22:56,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:56,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:56,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:56,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:56,190 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:56,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:56,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:56,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:56,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:56,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:56,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:56,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:56,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:56,192 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:56,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:56,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:56,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:56,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:56,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:56,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:56,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:56,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:56,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:56,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:56,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:56,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:56,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:56,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:56,197 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 21:22:56,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:56,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:56,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:56,512 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:56,513 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:56,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-10-13 21:22:56,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a133e4b0/5f2e3c6eebdb40c3a450866764ae982b/FLAG8a6dd61e5 [2019-10-13 21:22:57,076 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:57,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-10-13 21:22:57,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a133e4b0/5f2e3c6eebdb40c3a450866764ae982b/FLAG8a6dd61e5 [2019-10-13 21:22:57,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a133e4b0/5f2e3c6eebdb40c3a450866764ae982b [2019-10-13 21:22:57,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:57,426 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:57,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:57,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:57,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:57,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:57" (1/1) ... [2019-10-13 21:22:57,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9ca86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:57, skipping insertion in model container [2019-10-13 21:22:57,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:57" (1/1) ... [2019-10-13 21:22:57,441 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:57,490 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:57,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:57,963 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:58,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:58,116 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:58,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58 WrapperNode [2019-10-13 21:22:58,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:58,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:58,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:58,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:58,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (1/1) ... [2019-10-13 21:22:58,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:58,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:58,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:58,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:58,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (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 21:22:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:59,425 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:59,425 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:59,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:59 BoogieIcfgContainer [2019-10-13 21:22:59,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:59,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:59,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:59,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:59,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:57" (1/3) ... [2019-10-13 21:22:59,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52be05eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:59, skipping insertion in model container [2019-10-13 21:22:59,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:58" (2/3) ... [2019-10-13 21:22:59,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52be05eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:59, skipping insertion in model container [2019-10-13 21:22:59,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:59" (3/3) ... [2019-10-13 21:22:59,435 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2019-10-13 21:22:59,445 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:59,453 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:59,464 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:59,490 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:59,491 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:59,491 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:59,491 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:59,491 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:59,492 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:59,492 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:59,492 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-13 21:22:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:59,524 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:59,524 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 21:22:59,526 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:59,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:59,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1771327782, now seen corresponding path program 1 times [2019-10-13 21:22:59,542 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:59,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756081173] [2019-10-13 21:22:59,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,911 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 21:22:59,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756081173] [2019-10-13 21:22:59,913 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:59,922 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:59,922 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558248752] [2019-10-13 21:22:59,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:59,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:59,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:59,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:59,942 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2019-10-13 21:23:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:00,004 INFO L93 Difference]: Finished difference Result 322 states and 393 transitions. [2019-10-13 21:23:00,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:00,006 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:23:00,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:00,020 INFO L225 Difference]: With dead ends: 322 [2019-10-13 21:23:00,020 INFO L226 Difference]: Without dead ends: 163 [2019-10-13 21:23:00,025 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 21:23:00,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-10-13 21:23:00,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-10-13 21:23:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-10-13 21:23:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2019-10-13 21:23:00,087 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2019-10-13 21:23:00,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:00,088 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2019-10-13 21:23:00,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2019-10-13 21:23:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:23:00,092 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:00,092 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 21:23:00,092 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:00,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:00,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1467126020, now seen corresponding path program 1 times [2019-10-13 21:23:00,093 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:00,093 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325681476] [2019-10-13 21:23:00,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:00,191 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 21:23:00,191 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325681476] [2019-10-13 21:23:00,191 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:00,191 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:23:00,192 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828137452] [2019-10-13 21:23:00,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:23:00,194 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:00,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:23:00,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:23:00,195 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 3 states. [2019-10-13 21:23:00,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:00,220 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2019-10-13 21:23:00,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:23:00,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:23:00,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:00,223 INFO L225 Difference]: With dead ends: 261 [2019-10-13 21:23:00,224 INFO L226 Difference]: Without dead ends: 154 [2019-10-13 21:23:00,225 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 21:23:00,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-13 21:23:00,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-10-13 21:23:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-13 21:23:00,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2019-10-13 21:23:00,241 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2019-10-13 21:23:00,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:00,242 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2019-10-13 21:23:00,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:23:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2019-10-13 21:23:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:23:00,245 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:00,245 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 21:23:00,246 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:00,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:00,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2049486337, now seen corresponding path program 1 times [2019-10-13 21:23:00,246 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:00,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442392754] [2019-10-13 21:23:00,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:00,375 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 21:23:00,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442392754] [2019-10-13 21:23:00,376 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:00,376 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:00,377 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916484269] [2019-10-13 21:23:00,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:00,378 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:00,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:00,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:00,379 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 7 states. [2019-10-13 21:23:00,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:00,904 INFO L93 Difference]: Finished difference Result 462 states and 554 transitions. [2019-10-13 21:23:00,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:23:00,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:23:00,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:00,910 INFO L225 Difference]: With dead ends: 462 [2019-10-13 21:23:00,910 INFO L226 Difference]: Without dead ends: 336 [2019-10-13 21:23:00,911 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 21:23:00,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-10-13 21:23:00,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 324. [2019-10-13 21:23:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2019-10-13 21:23:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 388 transitions. [2019-10-13 21:23:00,973 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 388 transitions. Word has length 65 [2019-10-13 21:23:00,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:00,974 INFO L462 AbstractCegarLoop]: Abstraction has 324 states and 388 transitions. [2019-10-13 21:23:00,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 388 transitions. [2019-10-13 21:23:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:23:00,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:00,977 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 21:23:00,977 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:00,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:00,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1476281748, now seen corresponding path program 1 times [2019-10-13 21:23:00,978 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:00,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574248267] [2019-10-13 21:23:00,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:00,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:01,139 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 21:23:01,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574248267] [2019-10-13 21:23:01,139 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:01,140 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:01,140 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197111921] [2019-10-13 21:23:01,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:01,141 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:01,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:01,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:01,141 INFO L87 Difference]: Start difference. First operand 324 states and 388 transitions. Second operand 7 states. [2019-10-13 21:23:01,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:01,864 INFO L93 Difference]: Finished difference Result 808 states and 1036 transitions. [2019-10-13 21:23:01,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:23:01,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:23:01,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:01,869 INFO L225 Difference]: With dead ends: 808 [2019-10-13 21:23:01,870 INFO L226 Difference]: Without dead ends: 512 [2019-10-13 21:23:01,872 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 21:23:01,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2019-10-13 21:23:01,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 458. [2019-10-13 21:23:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-13 21:23:01,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 547 transitions. [2019-10-13 21:23:01,945 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 547 transitions. Word has length 70 [2019-10-13 21:23:01,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:01,946 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 547 transitions. [2019-10-13 21:23:01,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 547 transitions. [2019-10-13 21:23:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:23:01,949 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:01,950 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 21:23:01,950 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:01,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:01,950 INFO L82 PathProgramCache]: Analyzing trace with hash 340334758, now seen corresponding path program 1 times [2019-10-13 21:23:01,951 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:01,951 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705492365] [2019-10-13 21:23:01,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:02,068 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 21:23:02,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705492365] [2019-10-13 21:23:02,068 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:02,069 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:23:02,069 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221838004] [2019-10-13 21:23:02,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:23:02,070 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:02,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:23:02,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:23:02,070 INFO L87 Difference]: Start difference. First operand 458 states and 547 transitions. Second operand 6 states. [2019-10-13 21:23:02,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:02,128 INFO L93 Difference]: Finished difference Result 902 states and 1110 transitions. [2019-10-13 21:23:02,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:23:02,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-13 21:23:02,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:02,132 INFO L225 Difference]: With dead ends: 902 [2019-10-13 21:23:02,133 INFO L226 Difference]: Without dead ends: 472 [2019-10-13 21:23:02,134 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 21:23:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-13 21:23:02,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 468. [2019-10-13 21:23:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-10-13 21:23:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2019-10-13 21:23:02,166 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 108 [2019-10-13 21:23:02,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:02,167 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2019-10-13 21:23:02,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:23:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2019-10-13 21:23:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:23:02,174 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:02,174 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 21:23:02,175 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:02,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:02,175 INFO L82 PathProgramCache]: Analyzing trace with hash -2026359836, now seen corresponding path program 1 times [2019-10-13 21:23:02,175 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:02,176 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657077218] [2019-10-13 21:23:02,176 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:02,176 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:02,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:02,326 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 21:23:02,327 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657077218] [2019-10-13 21:23:02,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:02,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:23:02,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534897085] [2019-10-13 21:23:02,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:23:02,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:02,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:23:02,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:23:02,329 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 8 states. [2019-10-13 21:23:02,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:02,399 INFO L93 Difference]: Finished difference Result 922 states and 1130 transitions. [2019-10-13 21:23:02,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:23:02,400 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-13 21:23:02,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:02,403 INFO L225 Difference]: With dead ends: 922 [2019-10-13 21:23:02,403 INFO L226 Difference]: Without dead ends: 482 [2019-10-13 21:23:02,405 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 21:23:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2019-10-13 21:23:02,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 476. [2019-10-13 21:23:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-10-13 21:23:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 565 transitions. [2019-10-13 21:23:02,435 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 565 transitions. Word has length 108 [2019-10-13 21:23:02,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:02,435 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 565 transitions. [2019-10-13 21:23:02,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:23:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 565 transitions. [2019-10-13 21:23:02,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:23:02,437 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:02,438 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 21:23:02,438 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:02,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:02,438 INFO L82 PathProgramCache]: Analyzing trace with hash 2028067331, now seen corresponding path program 1 times [2019-10-13 21:23:02,438 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:02,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062722514] [2019-10-13 21:23:02,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:02,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:02,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:02,530 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 21:23:02,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062722514] [2019-10-13 21:23:02,531 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:02,531 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:23:02,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924761051] [2019-10-13 21:23:02,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:23:02,533 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:02,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:23:02,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:02,534 INFO L87 Difference]: Start difference. First operand 476 states and 565 transitions. Second operand 4 states. [2019-10-13 21:23:02,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:02,785 INFO L93 Difference]: Finished difference Result 1484 states and 1846 transitions. [2019-10-13 21:23:02,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:23:02,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-10-13 21:23:02,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:02,792 INFO L225 Difference]: With dead ends: 1484 [2019-10-13 21:23:02,792 INFO L226 Difference]: Without dead ends: 1036 [2019-10-13 21:23:02,794 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 21:23:02,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2019-10-13 21:23:02,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1019. [2019-10-13 21:23:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2019-10-13 21:23:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1244 transitions. [2019-10-13 21:23:02,860 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1244 transitions. Word has length 108 [2019-10-13 21:23:02,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:02,861 INFO L462 AbstractCegarLoop]: Abstraction has 1019 states and 1244 transitions. [2019-10-13 21:23:02,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:23:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1244 transitions. [2019-10-13 21:23:02,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 21:23:02,864 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:02,864 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 21:23:02,864 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:02,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:02,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1144962269, now seen corresponding path program 1 times [2019-10-13 21:23:02,865 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:02,865 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187018562] [2019-10-13 21:23:02,865 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:02,865 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:02,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:03,010 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 21:23:03,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187018562] [2019-10-13 21:23:03,011 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:03,011 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:03,012 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526714252] [2019-10-13 21:23:03,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:03,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:03,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:03,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:03,013 INFO L87 Difference]: Start difference. First operand 1019 states and 1244 transitions. Second operand 9 states. [2019-10-13 21:23:04,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:04,173 INFO L93 Difference]: Finished difference Result 2802 states and 3576 transitions. [2019-10-13 21:23:04,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:23:04,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2019-10-13 21:23:04,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:04,184 INFO L225 Difference]: With dead ends: 2802 [2019-10-13 21:23:04,184 INFO L226 Difference]: Without dead ends: 1997 [2019-10-13 21:23:04,187 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 21:23:04,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2019-10-13 21:23:04,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1764. [2019-10-13 21:23:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1764 states. [2019-10-13 21:23:04,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2119 transitions. [2019-10-13 21:23:04,298 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2119 transitions. Word has length 112 [2019-10-13 21:23:04,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:04,299 INFO L462 AbstractCegarLoop]: Abstraction has 1764 states and 2119 transitions. [2019-10-13 21:23:04,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2119 transitions. [2019-10-13 21:23:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 21:23:04,303 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:04,304 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:04,304 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:04,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:04,304 INFO L82 PathProgramCache]: Analyzing trace with hash 164237146, now seen corresponding path program 1 times [2019-10-13 21:23:04,305 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:04,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235252633] [2019-10-13 21:23:04,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:04,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:04,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:23:04,454 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235252633] [2019-10-13 21:23:04,454 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636708631] [2019-10-13 21:23:04,455 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 21:23:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:04,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:23:04,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:23:04,892 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:23:05,316 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [559726683] [2019-10-13 21:23:05,322 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 175 [2019-10-13 21:23:05,373 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:05,373 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:05,449 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:05,450 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 21:23:05,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:05,455 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:05,529 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:05,529 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:05,534 INFO L553 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2019-10-13 21:23:05,534 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:05,534 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:05,535 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:05,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265764646] [2019-10-13 21:23:05,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:05,536 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:05,536 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:05,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:05,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:05,537 INFO L87 Difference]: Start difference. First operand 1764 states and 2119 transitions. Second operand 2 states. [2019-10-13 21:23:05,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:05,556 INFO L93 Difference]: Finished difference Result 1764 states and 2119 transitions. [2019-10-13 21:23:05,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:05,556 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 174 [2019-10-13 21:23:05,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:05,557 INFO L225 Difference]: With dead ends: 1764 [2019-10-13 21:23:05,557 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:05,561 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 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 21:23:05,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:05,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:05,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:05,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2019-10-13 21:23:05,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:05,563 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:05,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:05,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:05,768 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:05,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:06,176 INFO L443 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2019-10-13 21:23:06,177 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 501 505) no Hoare annotation was computed. [2019-10-13 21:23:06,177 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 470 525) no Hoare annotation was computed. [2019-10-13 21:23:06,177 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 21:23:06,177 INFO L443 ceAbstractionStarter]: For program point L495-2(lines 495 516) no Hoare annotation was computed. [2019-10-13 21:23:06,177 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 470 525) no Hoare annotation was computed. [2019-10-13 21:23:06,177 INFO L443 ceAbstractionStarter]: For program point L517(lines 494 518) no Hoare annotation was computed. [2019-10-13 21:23:06,177 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 470 525) no Hoare annotation was computed. [2019-10-13 21:23:06,177 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-13 21:23:06,178 INFO L443 ceAbstractionStarter]: For program point L571-1(line 571) no Hoare annotation was computed. [2019-10-13 21:23:06,178 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 526 585) no Hoare annotation was computed. [2019-10-13 21:23:06,178 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 526 585) no Hoare annotation was computed. [2019-10-13 21:23:06,178 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 562) no Hoare annotation was computed. [2019-10-13 21:23:06,178 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2019-10-13 21:23:06,178 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 526 585) no Hoare annotation was computed. [2019-10-13 21:23:06,178 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-13 21:23:06,178 INFO L443 ceAbstractionStarter]: For program point L552-2(lines 552 577) no Hoare annotation was computed. [2019-10-13 21:23:06,178 INFO L443 ceAbstractionStarter]: For program point L578(lines 551 579) no Hoare annotation was computed. [2019-10-13 21:23:06,179 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2019-10-13 21:23:06,179 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2019-10-13 21:23:06,179 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2019-10-13 21:23:06,179 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2019-10-13 21:23:06,179 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2019-10-13 21:23:06,179 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: true [2019-10-13 21:23:06,179 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2019-10-13 21:23:06,180 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2019-10-13 21:23:06,180 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: true [2019-10-13 21:23:06,180 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-10-13 21:23:06,180 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2019-10-13 21:23:06,180 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2019-10-13 21:23:06,180 INFO L446 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: true [2019-10-13 21:23:06,180 INFO L443 ceAbstractionStarter]: For program point L401(lines 401 407) no Hoare annotation was computed. [2019-10-13 21:23:06,180 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2019-10-13 21:23:06,180 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 410) no Hoare annotation was computed. [2019-10-13 21:23:06,181 INFO L446 ceAbstractionStarter]: At program point L398(line 398) the Hoare annotation is: true [2019-10-13 21:23:06,181 INFO L443 ceAbstractionStarter]: For program point L398-1(line 398) no Hoare annotation was computed. [2019-10-13 21:23:06,181 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 413) no Hoare annotation was computed. [2019-10-13 21:23:06,181 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2019-10-13 21:23:06,181 INFO L443 ceAbstractionStarter]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2019-10-13 21:23:06,181 INFO L446 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: true [2019-10-13 21:23:06,182 INFO L443 ceAbstractionStarter]: For program point L394-1(line 394) no Hoare annotation was computed. [2019-10-13 21:23:06,182 INFO L446 ceAbstractionStarter]: At program point L866-1(line 866) the Hoare annotation is: true [2019-10-13 21:23:06,182 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 860 882) the Hoare annotation is: true [2019-10-13 21:23:06,182 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2019-10-13 21:23:06,182 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2019-10-13 21:23:06,182 INFO L446 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2019-10-13 21:23:06,182 INFO L446 ceAbstractionStarter]: At program point L872-1(line 872) the Hoare annotation is: true [2019-10-13 21:23:06,182 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 877) no Hoare annotation was computed. [2019-10-13 21:23:06,183 INFO L443 ceAbstractionStarter]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2019-10-13 21:23:06,183 INFO L443 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2019-10-13 21:23:06,183 INFO L446 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: true [2019-10-13 21:23:06,183 INFO L446 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2019-10-13 21:23:06,183 INFO L443 ceAbstractionStarter]: For program point L833(line 833) no Hoare annotation was computed. [2019-10-13 21:23:06,183 INFO L443 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-10-13 21:23:06,183 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 815 838) no Hoare annotation was computed. [2019-10-13 21:23:06,183 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-10-13 21:23:06,183 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-13 21:23:06,184 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-13 21:23:06,184 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 815 838) no Hoare annotation was computed. [2019-10-13 21:23:06,184 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-13 21:23:06,184 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 815 838) no Hoare annotation was computed. [2019-10-13 21:23:06,184 INFO L443 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-10-13 21:23:06,184 INFO L443 ceAbstractionStarter]: For program point L826(line 826) no Hoare annotation was computed. [2019-10-13 21:23:06,184 INFO L443 ceAbstractionStarter]: For program point L825(line 825) no Hoare annotation was computed. [2019-10-13 21:23:06,184 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-13 21:23:06,184 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-13 21:23:06,185 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-13 21:23:06,185 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-13 21:23:06,185 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-13 21:23:06,185 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2019-10-13 21:23:06,185 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: true [2019-10-13 21:23:06,185 INFO L446 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: true [2019-10-13 21:23:06,185 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2019-10-13 21:23:06,185 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 281) no Hoare annotation was computed. [2019-10-13 21:23:06,185 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2019-10-13 21:23:06,186 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2019-10-13 21:23:06,186 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2019-10-13 21:23:06,186 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2019-10-13 21:23:06,186 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2019-10-13 21:23:06,186 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:23:06,186 INFO L446 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: true [2019-10-13 21:23:06,186 INFO L443 ceAbstractionStarter]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:23:06,186 INFO L443 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2019-10-13 21:23:06,186 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2019-10-13 21:23:06,187 INFO L443 ceAbstractionStarter]: For program point L216(lines 216 224) no Hoare annotation was computed. [2019-10-13 21:23:06,187 INFO L443 ceAbstractionStarter]: For program point L216-2(lines 216 224) no Hoare annotation was computed. [2019-10-13 21:23:06,187 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 197 232) no Hoare annotation was computed. [2019-10-13 21:23:06,187 INFO L443 ceAbstractionStarter]: For program point L204(lines 204 212) no Hoare annotation was computed. [2019-10-13 21:23:06,187 INFO L443 ceAbstractionStarter]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2019-10-13 21:23:06,187 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 197 232) no Hoare annotation was computed. [2019-10-13 21:23:06,187 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-13 21:23:06,187 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 197 232) no Hoare annotation was computed. [2019-10-13 21:23:06,187 INFO L443 ceAbstractionStarter]: For program point L227-1(line 227) no Hoare annotation was computed. [2019-10-13 21:23:06,188 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2019-10-13 21:23:06,188 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2019-10-13 21:23:06,188 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 424 469) no Hoare annotation was computed. [2019-10-13 21:23:06,188 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 424 469) no Hoare annotation was computed. [2019-10-13 21:23:06,188 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 424 469) no Hoare annotation was computed. [2019-10-13 21:23:06,188 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 737 782) no Hoare annotation was computed. [2019-10-13 21:23:06,188 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 764) no Hoare annotation was computed. [2019-10-13 21:23:06,188 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 771) no Hoare annotation was computed. [2019-10-13 21:23:06,188 INFO L443 ceAbstractionStarter]: For program point L751-1(lines 751 771) no Hoare annotation was computed. [2019-10-13 21:23:06,189 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 737 782) no Hoare annotation was computed. [2019-10-13 21:23:06,189 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 737 782) no Hoare annotation was computed. [2019-10-13 21:23:06,189 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: true [2019-10-13 21:23:06,189 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2019-10-13 21:23:06,189 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2019-10-13 21:23:06,189 INFO L446 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: true [2019-10-13 21:23:06,189 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2019-10-13 21:23:06,190 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2019-10-13 21:23:06,190 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2019-10-13 21:23:06,190 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-10-13 21:23:06,190 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-10-13 21:23:06,190 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: true [2019-10-13 21:23:06,190 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2019-10-13 21:23:06,190 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2019-10-13 21:23:06,190 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2019-10-13 21:23:06,190 INFO L443 ceAbstractionStarter]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2019-10-13 21:23:06,191 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2019-10-13 21:23:06,191 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2019-10-13 21:23:06,191 INFO L446 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: true [2019-10-13 21:23:06,191 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 134) no Hoare annotation was computed. [2019-10-13 21:23:06,191 INFO L446 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: true [2019-10-13 21:23:06,191 INFO L443 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2019-10-13 21:23:06,191 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 139) no Hoare annotation was computed. [2019-10-13 21:23:06,191 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2019-10-13 21:23:06,191 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: true [2019-10-13 21:23:06,192 INFO L446 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: true [2019-10-13 21:23:06,192 INFO L443 ceAbstractionStarter]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2019-10-13 21:23:06,192 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true [2019-10-13 21:23:06,192 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2019-10-13 21:23:06,192 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2019-10-13 21:23:06,192 INFO L446 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: true [2019-10-13 21:23:06,192 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 298 365) the Hoare annotation is: true [2019-10-13 21:23:06,192 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 324) no Hoare annotation was computed. [2019-10-13 21:23:06,193 INFO L443 ceAbstractionStarter]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2019-10-13 21:23:06,193 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2019-10-13 21:23:06,193 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 314) no Hoare annotation was computed. [2019-10-13 21:23:06,193 INFO L446 ceAbstractionStarter]: At program point L358(lines 307 359) the Hoare annotation is: true [2019-10-13 21:23:06,193 INFO L446 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: true [2019-10-13 21:23:06,193 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 352) no Hoare annotation was computed. [2019-10-13 21:23:06,193 INFO L446 ceAbstractionStarter]: At program point L346-1(lines 338 353) the Hoare annotation is: true [2019-10-13 21:23:06,193 INFO L443 ceAbstractionStarter]: For program point L309(lines 308 357) no Hoare annotation was computed. [2019-10-13 21:23:06,193 INFO L446 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: true [2019-10-13 21:23:06,194 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 353) no Hoare annotation was computed. [2019-10-13 21:23:06,194 INFO L446 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: true [2019-10-13 21:23:06,194 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2019-10-13 21:23:06,194 INFO L443 ceAbstractionStarter]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2019-10-13 21:23:06,194 INFO L446 ceAbstractionStarter]: At program point L355(lines 308 357) the Hoare annotation is: true [2019-10-13 21:23:06,194 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2019-10-13 21:23:06,194 INFO L443 ceAbstractionStarter]: For program point L705(lines 705 725) no Hoare annotation was computed. [2019-10-13 21:23:06,194 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 705 725) no Hoare annotation was computed. [2019-10-13 21:23:06,194 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 691 736) no Hoare annotation was computed. [2019-10-13 21:23:06,195 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 691 736) no Hoare annotation was computed. [2019-10-13 21:23:06,195 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 691 736) no Hoare annotation was computed. [2019-10-13 21:23:06,195 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 718) no Hoare annotation was computed. [2019-10-13 21:23:06,195 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) the Hoare annotation is: true [2019-10-13 21:23:06,195 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2019-10-13 21:23:06,195 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2019-10-13 21:23:06,195 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2019-10-13 21:23:06,195 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2019-10-13 21:23:06,195 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2019-10-13 21:23:06,196 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 975 997) no Hoare annotation was computed. [2019-10-13 21:23:06,196 INFO L443 ceAbstractionStarter]: For program point L983(lines 983 991) no Hoare annotation was computed. [2019-10-13 21:23:06,196 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 975 997) no Hoare annotation was computed. [2019-10-13 21:23:06,196 INFO L443 ceAbstractionStarter]: For program point L983-2(lines 983 991) no Hoare annotation was computed. [2019-10-13 21:23:06,197 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 975 997) no Hoare annotation was computed. [2019-10-13 21:23:06,197 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 588 690) no Hoare annotation was computed. [2019-10-13 21:23:06,197 INFO L443 ceAbstractionStarter]: For program point L638(lines 637 657) no Hoare annotation was computed. [2019-10-13 21:23:06,197 INFO L443 ceAbstractionStarter]: For program point L669(line 669) no Hoare annotation was computed. [2019-10-13 21:23:06,197 INFO L443 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2019-10-13 21:23:06,197 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 675) no Hoare annotation was computed. [2019-10-13 21:23:06,197 INFO L443 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2019-10-13 21:23:06,197 INFO L443 ceAbstractionStarter]: For program point L653-1(line 653) no Hoare annotation was computed. [2019-10-13 21:23:06,197 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 588 690) no Hoare annotation was computed. [2019-10-13 21:23:06,198 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2019-10-13 21:23:06,198 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 687) no Hoare annotation was computed. [2019-10-13 21:23:06,198 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 643) no Hoare annotation was computed. [2019-10-13 21:23:06,198 INFO L443 ceAbstractionStarter]: For program point L637-2(lines 637 657) no Hoare annotation was computed. [2019-10-13 21:23:06,198 INFO L443 ceAbstractionStarter]: For program point L658(lines 636 659) no Hoare annotation was computed. [2019-10-13 21:23:06,198 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 588 690) no Hoare annotation was computed. [2019-10-13 21:23:06,198 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 633) no Hoare annotation was computed. [2019-10-13 21:23:06,198 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 684) no Hoare annotation was computed. [2019-10-13 21:23:06,199 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2019-10-13 21:23:06,199 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2019-10-13 21:23:06,199 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2019-10-13 21:23:06,199 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:06,200 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 21:23:06,200 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:06,200 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 165) no Hoare annotation was computed. [2019-10-13 21:23:06,200 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-13 21:23:06,200 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-10-13 21:23:06,200 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2019-10-13 21:23:06,200 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 152 168) the Hoare annotation is: true [2019-10-13 21:23:06,201 INFO L446 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: true [2019-10-13 21:23:06,201 INFO L443 ceAbstractionStarter]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2019-10-13 21:23:06,201 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2019-10-13 21:23:06,201 INFO L446 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2019-10-13 21:23:06,201 INFO L443 ceAbstractionStarter]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2019-10-13 21:23:06,201 INFO L443 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2019-10-13 21:23:06,201 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2019-10-13 21:23:06,201 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2019-10-13 21:23:06,201 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 246) no Hoare annotation was computed. [2019-10-13 21:23:06,202 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2019-10-13 21:23:06,202 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2019-10-13 21:23:06,202 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2019-10-13 21:23:06,202 INFO L443 ceAbstractionStarter]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2019-10-13 21:23:06,202 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: true [2019-10-13 21:23:06,202 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2019-10-13 21:23:06,203 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:06,203 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:06,203 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:06,203 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2019-10-13 21:23:06,203 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2019-10-13 21:23:06,204 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2019-10-13 21:23:06,204 INFO L443 ceAbstractionStarter]: For program point L64(lines 60 82) no Hoare annotation was computed. [2019-10-13 21:23:06,204 INFO L443 ceAbstractionStarter]: For program point L62(lines 60 82) no Hoare annotation was computed. [2019-10-13 21:23:06,204 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: true [2019-10-13 21:23:06,204 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2019-10-13 21:23:06,204 INFO L446 ceAbstractionStarter]: At program point L73(line 73) the Hoare annotation is: true [2019-10-13 21:23:06,204 INFO L446 ceAbstractionStarter]: At program point L71(lines 71 77) the Hoare annotation is: true [2019-10-13 21:23:06,204 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2019-10-13 21:23:06,204 INFO L446 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: true [2019-10-13 21:23:06,205 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2019-10-13 21:23:06,205 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 803) no Hoare annotation was computed. [2019-10-13 21:23:06,205 INFO L446 ceAbstractionStarter]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2019-10-13 21:23:06,205 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2019-10-13 21:23:06,205 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-13 21:23:06,206 INFO L446 ceAbstractionStarter]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2019-10-13 21:23:06,206 INFO L446 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: true [2019-10-13 21:23:06,206 INFO L443 ceAbstractionStarter]: For program point L791-1(line 791) no Hoare annotation was computed. [2019-10-13 21:23:06,206 INFO L446 ceAbstractionStarter]: At program point L810(lines 785 814) the Hoare annotation is: true [2019-10-13 21:23:06,206 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-13 21:23:06,206 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 930 941) the Hoare annotation is: true [2019-10-13 21:23:06,206 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2019-10-13 21:23:06,206 INFO L443 ceAbstractionStarter]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2019-10-13 21:23:06,206 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2019-10-13 21:23:06,207 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2019-10-13 21:23:06,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:06,207 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:06,207 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:06,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:06,207 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2019-10-13 21:23:06,207 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: true [2019-10-13 21:23:06,207 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2019-10-13 21:23:06,207 INFO L443 ceAbstractionStarter]: For program point L98-1(line 98) no Hoare annotation was computed. [2019-10-13 21:23:06,208 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: true [2019-10-13 21:23:06,208 INFO L443 ceAbstractionStarter]: For program point L96(lines 96 113) no Hoare annotation was computed. [2019-10-13 21:23:06,208 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2019-10-13 21:23:06,208 INFO L446 ceAbstractionStarter]: At program point L111(line 111) the Hoare annotation is: true [2019-10-13 21:23:06,208 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2019-10-13 21:23:06,208 INFO L446 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: true [2019-10-13 21:23:06,208 INFO L446 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: true [2019-10-13 21:23:06,208 INFO L443 ceAbstractionStarter]: For program point L100(lines 100 108) no Hoare annotation was computed. [2019-10-13 21:23:06,209 INFO L446 ceAbstractionStarter]: At program point L98(line 98) the Hoare annotation is: true [2019-10-13 21:23:06,210 INFO L443 ceAbstractionStarter]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2019-10-13 21:23:06,210 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2019-10-13 21:23:06,211 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: true [2019-10-13 21:23:06,211 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2019-10-13 21:23:06,211 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2019-10-13 21:23:06,211 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2019-10-13 21:23:06,211 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2019-10-13 21:23:06,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:06 BoogieIcfgContainer [2019-10-13 21:23:06,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:06,223 INFO L168 Benchmark]: Toolchain (without parser) took 8796.19 ms. Allocated memory was 145.2 MB in the beginning and 381.7 MB in the end (delta: 236.5 MB). Free memory was 102.2 MB in the beginning and 286.7 MB in the end (delta: -184.5 MB). Peak memory consumption was 203.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:06,223 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:23:06,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.75 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 168.1 MB in the end (delta: -66.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:06,225 INFO L168 Benchmark]: Boogie Preprocessor took 89.71 ms. Allocated memory is still 202.4 MB. Free memory was 168.1 MB in the beginning and 163.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:06,226 INFO L168 Benchmark]: RCFGBuilder took 1219.24 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 192.0 MB in the end (delta: -28.5 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:06,227 INFO L168 Benchmark]: TraceAbstraction took 6791.94 ms. Allocated memory was 235.4 MB in the beginning and 381.7 MB in the end (delta: 146.3 MB). Free memory was 190.5 MB in the beginning and 286.7 MB in the end (delta: -96.2 MB). Peak memory consumption was 201.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:06,230 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.75 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 168.1 MB in the end (delta: -66.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.71 ms. Allocated memory is still 202.4 MB. Free memory was 168.1 MB in the beginning and 163.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.24 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 192.0 MB in the end (delta: -28.5 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6791.94 ms. Allocated memory was 235.4 MB in the beginning and 381.7 MB in the end (delta: 146.3 MB). Free memory was 190.5 MB in the beginning and 286.7 MB in the end (delta: -96.2 MB). Peak memory consumption was 201.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 262 locations, 1 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1666 SDtfs, 1205 SDslu, 3757 SDs, 0 SdLazy, 1874 SolverSat, 334 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1764occurred 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 326 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1808 PreInvPairs, 1809 NumberOfFragments, 82 HoareAnnotationTreeSize, 1808 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 72 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1038 NumberOfCodeBlocks, 1038 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1201 ConstructedInterpolants, 0 QuantifiedInterpolants, 256967 SizeOfPredicates, 4 NumberOfNonLiveVariables, 979 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 124/153 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 133, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8265895953757225, 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...