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_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:22:05,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:22:05,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:22:05,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:22:05,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:22:05,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:22:05,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:22:05,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:22:05,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:22:05,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:22:05,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:22:05,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:22:05,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:22:05,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:22:05,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:22:05,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:22:05,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:22:05,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:22:05,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:22:05,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:22:05,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:22:05,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:22:05,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:22:05,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:22:05,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:22:05,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:22:05,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:22:05,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:22:05,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:22:05,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:22:05,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:22:05,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:22:05,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:22:05,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:22:05,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:22:05,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:22:05,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:22:05,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:22:05,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:22:05,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:22:05,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:22:05,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:22:05,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:22:05,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:22:05,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:22:05,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:22:05,170 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:22:05,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:22:05,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:22:05,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:22:05,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:22:05,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:22:05,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:22:05,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:22:05,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:22:05,173 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:22:05,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:22:05,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:22:05,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:22:05,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:22:05,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:22:05,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:22:05,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:22:05,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:22:05,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:22:05,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:22:05,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:22:05,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:22:05,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:22:05,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:22:05,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:22:05,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:22:05,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:22:05,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:22:05,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:22:05,465 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:22:05,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-10-15 01:22:05,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a447965c/a0dba35cd8494eaaae7e9ba26788ae49/FLAGd5cc1c4cf [2019-10-15 01:22:06,089 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:22:06,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-10-15 01:22:06,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a447965c/a0dba35cd8494eaaae7e9ba26788ae49/FLAGd5cc1c4cf [2019-10-15 01:22:06,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a447965c/a0dba35cd8494eaaae7e9ba26788ae49 [2019-10-15 01:22:06,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:22:06,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:22:06,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:22:06,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:22:06,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:22:06,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b371b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06, skipping insertion in model container [2019-10-15 01:22:06,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:22:06,478 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:22:06,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:22:06,980 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:22:07,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:22:07,143 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:22:07,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07 WrapperNode [2019-10-15 01:22:07,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:22:07,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:22:07,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:22:07,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:22:07,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07" (1/1) ... [2019-10-15 01:22:07,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07" (1/1) ... [2019-10-15 01:22:07,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07" (1/1) ... [2019-10-15 01:22:07,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07" (1/1) ... [2019-10-15 01:22:07,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07" (1/1) ... [2019-10-15 01:22:07,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07" (1/1) ... [2019-10-15 01:22:07,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07" (1/1) ... [2019-10-15 01:22:07,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:22:07,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:22:07,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:22:07,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:22:07,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:22:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:22:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:22:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:22:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:22:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:22:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:22:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:22:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:22:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:22:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:22:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:22:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:22:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:22:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:22:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:22:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:22:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:22:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:22:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:22:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:22:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:22:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:22:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:22:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:22:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:22:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:22:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:22:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:22:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:22:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2019-10-15 01:22:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2019-10-15 01:22:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2019-10-15 01:22:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2019-10-15 01:22:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2019-10-15 01:22:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2019-10-15 01:22:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:22:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2019-10-15 01:22:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2019-10-15 01:22:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:22:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:22:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:22:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:22:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:22:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:22:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:22:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:22:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:22:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:22:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:22:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:22:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:22:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:22:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:22:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:22:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:22:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:22:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:22:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:22:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:22:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:22:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:22:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:22:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:22:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:22:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:22:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:22:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:22:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:22:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:22:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:22:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:22:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:22:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:22:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:22:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:22:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:22:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:22:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:22:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:22:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:22:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:22:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:22:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:22:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:22:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:22:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:22:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:22:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:22:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:22:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:22:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:22:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:22:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:22:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:22:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:22:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:22:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:22:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:22:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:22:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:22:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2019-10-15 01:22:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:22:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2019-10-15 01:22:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2019-10-15 01:22:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:22:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2019-10-15 01:22:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2019-10-15 01:22:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:22:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2019-10-15 01:22:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2019-10-15 01:22:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2019-10-15 01:22:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:22:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:22:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:22:08,490 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:22:08,491 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:22:08,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:08 BoogieIcfgContainer [2019-10-15 01:22:08,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:22:08,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:22:08,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:22:08,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:22:08,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:22:06" (1/3) ... [2019-10-15 01:22:08,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623b3c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:08, skipping insertion in model container [2019-10-15 01:22:08,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:07" (2/3) ... [2019-10-15 01:22:08,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623b3c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:08, skipping insertion in model container [2019-10-15 01:22:08,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:08" (3/3) ... [2019-10-15 01:22:08,501 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2019-10-15 01:22:08,511 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:22:08,521 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:22:08,533 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:22:08,564 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:22:08,564 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:22:08,564 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:22:08,564 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:22:08,565 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:22:08,565 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:22:08,566 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:22:08,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:22:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2019-10-15 01:22:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-15 01:22:08,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:08,628 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-15 01:22:08,631 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:08,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:08,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1762673243, now seen corresponding path program 1 times [2019-10-15 01:22:08,661 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:08,662 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971225203] [2019-10-15 01:22:08,662 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:08,662 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:08,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:22:09,081 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971225203] [2019-10-15 01:22:09,082 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:09,083 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:22:09,083 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555611204] [2019-10-15 01:22:09,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:09,090 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:09,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:09,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:09,109 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 2 states. [2019-10-15 01:22:09,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:09,168 INFO L93 Difference]: Finished difference Result 403 states and 509 transitions. [2019-10-15 01:22:09,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:09,169 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 91 [2019-10-15 01:22:09,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:09,185 INFO L225 Difference]: With dead ends: 403 [2019-10-15 01:22:09,185 INFO L226 Difference]: Without dead ends: 212 [2019-10-15 01:22:09,191 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:09,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-10-15 01:22:09,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-10-15 01:22:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-15 01:22:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 259 transitions. [2019-10-15 01:22:09,272 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 259 transitions. Word has length 91 [2019-10-15 01:22:09,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:09,274 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 259 transitions. [2019-10-15 01:22:09,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 259 transitions. [2019-10-15 01:22:09,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-15 01:22:09,280 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:09,280 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-15 01:22:09,281 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:09,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:09,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1489086657, now seen corresponding path program 1 times [2019-10-15 01:22:09,281 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:09,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038491556] [2019-10-15 01:22:09,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:09,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:09,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:22:09,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038491556] [2019-10-15 01:22:09,456 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:09,456 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:22:09,457 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650399230] [2019-10-15 01:22:09,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:22:09,467 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:09,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:22:09,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:22:09,468 INFO L87 Difference]: Start difference. First operand 212 states and 259 transitions. Second operand 3 states. [2019-10-15 01:22:09,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:09,535 INFO L93 Difference]: Finished difference Result 340 states and 415 transitions. [2019-10-15 01:22:09,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:22:09,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-15 01:22:09,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:09,545 INFO L225 Difference]: With dead ends: 340 [2019-10-15 01:22:09,546 INFO L226 Difference]: Without dead ends: 203 [2019-10-15 01:22:09,551 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:22:09,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-15 01:22:09,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2019-10-15 01:22:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-15 01:22:09,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 247 transitions. [2019-10-15 01:22:09,599 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 247 transitions. Word has length 92 [2019-10-15 01:22:09,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:09,599 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 247 transitions. [2019-10-15 01:22:09,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:22:09,600 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 247 transitions. [2019-10-15 01:22:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-15 01:22:09,603 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:09,608 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-15 01:22:09,609 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:09,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:09,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2081754782, now seen corresponding path program 1 times [2019-10-15 01:22:09,610 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:09,610 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454101973] [2019-10-15 01:22:09,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:09,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:09,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:22:09,963 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454101973] [2019-10-15 01:22:09,963 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:09,963 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:22:09,963 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903951059] [2019-10-15 01:22:09,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:22:09,966 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:09,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:22:09,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:22:09,967 INFO L87 Difference]: Start difference. First operand 203 states and 247 transitions. Second operand 9 states. [2019-10-15 01:22:11,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:11,414 INFO L93 Difference]: Finished difference Result 577 states and 721 transitions. [2019-10-15 01:22:11,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:22:11,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-10-15 01:22:11,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:11,419 INFO L225 Difference]: With dead ends: 577 [2019-10-15 01:22:11,420 INFO L226 Difference]: Without dead ends: 419 [2019-10-15 01:22:11,422 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-10-15 01:22:11,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-10-15 01:22:11,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 407. [2019-10-15 01:22:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-15 01:22:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 508 transitions. [2019-10-15 01:22:11,478 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 508 transitions. Word has length 97 [2019-10-15 01:22:11,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:11,479 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 508 transitions. [2019-10-15 01:22:11,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 508 transitions. [2019-10-15 01:22:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:22:11,483 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:11,483 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-15 01:22:11,483 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:11,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:11,484 INFO L82 PathProgramCache]: Analyzing trace with hash -995246095, now seen corresponding path program 1 times [2019-10-15 01:22:11,484 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:11,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755028732] [2019-10-15 01:22:11,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:11,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:11,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-15 01:22:11,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755028732] [2019-10-15 01:22:11,651 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:11,651 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:11,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009663870] [2019-10-15 01:22:11,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:11,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:11,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:11,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:11,653 INFO L87 Difference]: Start difference. First operand 407 states and 508 transitions. Second operand 7 states. [2019-10-15 01:22:12,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:12,629 INFO L93 Difference]: Finished difference Result 1053 states and 1420 transitions. [2019-10-15 01:22:12,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:22:12,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2019-10-15 01:22:12,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:12,636 INFO L225 Difference]: With dead ends: 1053 [2019-10-15 01:22:12,636 INFO L226 Difference]: Without dead ends: 691 [2019-10-15 01:22:12,639 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 [2019-10-15 01:22:12,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-15 01:22:12,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 631. [2019-10-15 01:22:12,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2019-10-15 01:22:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 799 transitions. [2019-10-15 01:22:12,724 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 799 transitions. Word has length 103 [2019-10-15 01:22:12,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:12,725 INFO L462 AbstractCegarLoop]: Abstraction has 631 states and 799 transitions. [2019-10-15 01:22:12,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:12,725 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 799 transitions. [2019-10-15 01:22:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-15 01:22:12,729 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:12,729 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:12,729 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:12,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:12,730 INFO L82 PathProgramCache]: Analyzing trace with hash -2077668553, now seen corresponding path program 1 times [2019-10-15 01:22:12,730 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:12,730 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455060503] [2019-10-15 01:22:12,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:12,731 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:12,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:22:12,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455060503] [2019-10-15 01:22:12,919 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:12,919 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:22:12,919 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767017634] [2019-10-15 01:22:12,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:22:12,921 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:12,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:22:12,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:22:12,922 INFO L87 Difference]: Start difference. First operand 631 states and 799 transitions. Second operand 9 states. [2019-10-15 01:22:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:13,311 INFO L93 Difference]: Finished difference Result 1231 states and 1640 transitions. [2019-10-15 01:22:13,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:22:13,312 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2019-10-15 01:22:13,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:13,317 INFO L225 Difference]: With dead ends: 1231 [2019-10-15 01:22:13,317 INFO L226 Difference]: Without dead ends: 645 [2019-10-15 01:22:13,320 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2019-10-15 01:22:13,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-10-15 01:22:13,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 639. [2019-10-15 01:22:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2019-10-15 01:22:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 807 transitions. [2019-10-15 01:22:13,370 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 807 transitions. Word has length 136 [2019-10-15 01:22:13,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:13,371 INFO L462 AbstractCegarLoop]: Abstraction has 639 states and 807 transitions. [2019-10-15 01:22:13,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 807 transitions. [2019-10-15 01:22:13,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-15 01:22:13,374 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:13,374 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:13,375 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:13,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:13,375 INFO L82 PathProgramCache]: Analyzing trace with hash -232301387, now seen corresponding path program 1 times [2019-10-15 01:22:13,375 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:13,376 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654031170] [2019-10-15 01:22:13,376 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:13,376 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:13,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:22:13,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654031170] [2019-10-15 01:22:13,476 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:13,476 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:22:13,476 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250036108] [2019-10-15 01:22:13,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:22:13,477 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:13,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:22:13,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:22:13,478 INFO L87 Difference]: Start difference. First operand 639 states and 807 transitions. Second operand 6 states. [2019-10-15 01:22:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:13,549 INFO L93 Difference]: Finished difference Result 1247 states and 1656 transitions. [2019-10-15 01:22:13,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:22:13,549 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2019-10-15 01:22:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:13,555 INFO L225 Difference]: With dead ends: 1247 [2019-10-15 01:22:13,555 INFO L226 Difference]: Without dead ends: 653 [2019-10-15 01:22:13,558 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 [2019-10-15 01:22:13,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2019-10-15 01:22:13,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 649. [2019-10-15 01:22:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2019-10-15 01:22:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 817 transitions. [2019-10-15 01:22:13,611 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 817 transitions. Word has length 136 [2019-10-15 01:22:13,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:13,611 INFO L462 AbstractCegarLoop]: Abstraction has 649 states and 817 transitions. [2019-10-15 01:22:13,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:22:13,612 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 817 transitions. [2019-10-15 01:22:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-15 01:22:13,615 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:13,615 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:13,615 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:13,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:13,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1768602104, now seen corresponding path program 1 times [2019-10-15 01:22:13,616 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:13,616 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096953038] [2019-10-15 01:22:13,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:13,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:13,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:22:13,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096953038] [2019-10-15 01:22:13,789 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:13,789 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:22:13,789 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742292048] [2019-10-15 01:22:13,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:22:13,790 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:13,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:22:13,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:13,791 INFO L87 Difference]: Start difference. First operand 649 states and 817 transitions. Second operand 4 states. [2019-10-15 01:22:14,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:14,163 INFO L93 Difference]: Finished difference Result 1985 states and 2644 transitions. [2019-10-15 01:22:14,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:22:14,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-10-15 01:22:14,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:14,174 INFO L225 Difference]: With dead ends: 1985 [2019-10-15 01:22:14,174 INFO L226 Difference]: Without dead ends: 1381 [2019-10-15 01:22:14,177 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:14,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2019-10-15 01:22:14,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1364. [2019-10-15 01:22:14,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2019-10-15 01:22:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1788 transitions. [2019-10-15 01:22:14,279 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1788 transitions. Word has length 136 [2019-10-15 01:22:14,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:14,280 INFO L462 AbstractCegarLoop]: Abstraction has 1364 states and 1788 transitions. [2019-10-15 01:22:14,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:22:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1788 transitions. [2019-10-15 01:22:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-15 01:22:14,284 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:14,284 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:14,285 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:14,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:14,285 INFO L82 PathProgramCache]: Analyzing trace with hash 2097761874, now seen corresponding path program 1 times [2019-10-15 01:22:14,285 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:14,285 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324970042] [2019-10-15 01:22:14,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:14,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:14,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:14,492 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:22:14,492 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324970042] [2019-10-15 01:22:14,493 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:14,493 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:22:14,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518696739] [2019-10-15 01:22:14,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:22:14,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:14,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:22:14,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:22:14,496 INFO L87 Difference]: Start difference. First operand 1364 states and 1788 transitions. Second operand 9 states. [2019-10-15 01:22:16,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:16,270 INFO L93 Difference]: Finished difference Result 3741 states and 5115 transitions. [2019-10-15 01:22:16,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:22:16,271 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2019-10-15 01:22:16,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:16,290 INFO L225 Difference]: With dead ends: 3741 [2019-10-15 01:22:16,291 INFO L226 Difference]: Without dead ends: 2654 [2019-10-15 01:22:16,297 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:22:16,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2019-10-15 01:22:16,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 2575. [2019-10-15 01:22:16,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2575 states. [2019-10-15 01:22:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3322 transitions. [2019-10-15 01:22:16,480 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3322 transitions. Word has length 140 [2019-10-15 01:22:16,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:16,481 INFO L462 AbstractCegarLoop]: Abstraction has 2575 states and 3322 transitions. [2019-10-15 01:22:16,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3322 transitions. [2019-10-15 01:22:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-15 01:22:16,488 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:16,488 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:16,489 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:16,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:16,489 INFO L82 PathProgramCache]: Analyzing trace with hash 314895610, now seen corresponding path program 1 times [2019-10-15 01:22:16,489 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:16,490 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271400769] [2019-10-15 01:22:16,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:16,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:16,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-15 01:22:16,611 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271400769] [2019-10-15 01:22:16,611 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8074315] [2019-10-15 01:22:16,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:16,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 01:22:16,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:22:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-15 01:22:16,993 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:22:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-15 01:22:17,286 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:22:17,286 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 4 [2019-10-15 01:22:17,286 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775063486] [2019-10-15 01:22:17,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:22:17,287 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:17,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:22:17,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:17,288 INFO L87 Difference]: Start difference. First operand 2575 states and 3322 transitions. Second operand 3 states. [2019-10-15 01:22:17,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:17,436 INFO L93 Difference]: Finished difference Result 5418 states and 7217 transitions. [2019-10-15 01:22:17,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:22:17,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-15 01:22:17,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:17,456 INFO L225 Difference]: With dead ends: 5418 [2019-10-15 01:22:17,457 INFO L226 Difference]: Without dead ends: 2888 [2019-10-15 01:22:17,466 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:17,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2019-10-15 01:22:17,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2702. [2019-10-15 01:22:17,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2702 states. [2019-10-15 01:22:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3447 transitions. [2019-10-15 01:22:17,686 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 3447 transitions. Word has length 191 [2019-10-15 01:22:17,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:17,687 INFO L462 AbstractCegarLoop]: Abstraction has 2702 states and 3447 transitions. [2019-10-15 01:22:17,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:22:17,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3447 transitions. [2019-10-15 01:22:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-15 01:22:17,694 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:17,694 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 01:22:17,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:17,911 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:17,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:17,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1226816066, now seen corresponding path program 1 times [2019-10-15 01:22:17,911 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:17,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977172802] [2019-10-15 01:22:17,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:17,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:17,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-15 01:22:18,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977172802] [2019-10-15 01:22:18,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48208028] [2019-10-15 01:22:18,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:18,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:22:18,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:22:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 32 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-15 01:22:18,626 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:22:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-15 01:22:19,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [409150417] [2019-10-15 01:22:19,192 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 197 [2019-10-15 01:22:19,234 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:22:19,235 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:22:19,307 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:22:19,309 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 85 root evaluator evaluations with a maximum evaluation depth of 0. Performed 85 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 144 variables. [2019-10-15 01:22:19,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:19,314 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:22:19,394 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:22:19,394 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:22:19,399 INFO L553 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2019-10-15 01:22:19,399 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:22:19,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:22:19,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [12, 7, 7] total 20 [2019-10-15 01:22:19,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136459056] [2019-10-15 01:22:19,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:19,402 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:19,402 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:22:19,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:19,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:19,403 INFO L87 Difference]: Start difference. First operand 2702 states and 3447 transitions. Second operand 2 states. [2019-10-15 01:22:19,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:19,436 INFO L93 Difference]: Finished difference Result 2702 states and 3447 transitions. [2019-10-15 01:22:19,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:19,437 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 196 [2019-10-15 01:22:19,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:19,438 INFO L225 Difference]: With dead ends: 2702 [2019-10-15 01:22:19,438 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:22:19,445 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:19,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:22:19,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:22:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:22:19,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:22:19,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2019-10-15 01:22:19,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:19,447 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:22:19,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:22:19,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:22:19,654 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:19,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:22:20,396 INFO L443 ceAbstractionStarter]: For program point L416(lines 393 417) no Hoare annotation was computed. [2019-10-15 01:22:20,396 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 369 424) no Hoare annotation was computed. [2019-10-15 01:22:20,397 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2019-10-15 01:22:20,397 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 400 404) no Hoare annotation was computed. [2019-10-15 01:22:20,397 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-15 01:22:20,397 INFO L443 ceAbstractionStarter]: For program point L394-2(lines 394 415) no Hoare annotation was computed. [2019-10-15 01:22:20,397 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 369 424) no Hoare annotation was computed. [2019-10-15 01:22:20,397 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 369 424) no Hoare annotation was computed. [2019-10-15 01:22:20,397 INFO L443 ceAbstractionStarter]: For program point L451-2(lines 451 476) no Hoare annotation was computed. [2019-10-15 01:22:20,397 INFO L443 ceAbstractionStarter]: For program point L477(lines 450 478) no Hoare annotation was computed. [2019-10-15 01:22:20,397 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-15 01:22:20,398 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 425 484) no Hoare annotation was computed. [2019-10-15 01:22:20,398 INFO L443 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2019-10-15 01:22:20,398 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 425 484) no Hoare annotation was computed. [2019-10-15 01:22:20,398 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 425 484) no Hoare annotation was computed. [2019-10-15 01:22:20,398 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-15 01:22:20,398 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 457 461) no Hoare annotation was computed. [2019-10-15 01:22:20,398 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-15 01:22:20,398 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 298 306) no Hoare annotation was computed. [2019-10-15 01:22:20,399 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 298 306) the Hoare annotation is: true [2019-10-15 01:22:20,399 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 298 306) no Hoare annotation was computed. [2019-10-15 01:22:20,399 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 239 261) the Hoare annotation is: true [2019-10-15 01:22:20,399 INFO L446 ceAbstractionStarter]: At program point L251(line 251) the Hoare annotation is: true [2019-10-15 01:22:20,399 INFO L446 ceAbstractionStarter]: At program point L251-1(line 251) the Hoare annotation is: true [2019-10-15 01:22:20,399 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2019-10-15 01:22:20,399 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2019-10-15 01:22:20,399 INFO L443 ceAbstractionStarter]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2019-10-15 01:22:20,400 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-15 01:22:20,400 INFO L446 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: true [2019-10-15 01:22:20,400 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-15 01:22:20,400 INFO L446 ceAbstractionStarter]: At program point L245-1(line 245) the Hoare annotation is: true [2019-10-15 01:22:20,400 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2019-10-15 01:22:20,400 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 192 215) no Hoare annotation was computed. [2019-10-15 01:22:20,400 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 192 215) no Hoare annotation was computed. [2019-10-15 01:22:20,400 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 192 215) no Hoare annotation was computed. [2019-10-15 01:22:20,400 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-15 01:22:20,401 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-15 01:22:20,402 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-15 01:22:20,402 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-10-15 01:22:20,402 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-10-15 01:22:20,402 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 1077 1091) no Hoare annotation was computed. [2019-10-15 01:22:20,402 INFO L446 ceAbstractionStarter]: At program point L1083(line 1083) the Hoare annotation is: true [2019-10-15 01:22:20,402 INFO L443 ceAbstractionStarter]: For program point L1081(lines 1081 1087) no Hoare annotation was computed. [2019-10-15 01:22:20,402 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 1077 1091) the Hoare annotation is: true [2019-10-15 01:22:20,402 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 1077 1091) no Hoare annotation was computed. [2019-10-15 01:22:20,402 INFO L446 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: true [2019-10-15 01:22:20,403 INFO L443 ceAbstractionStarter]: For program point L824-1(lines 805 829) no Hoare annotation was computed. [2019-10-15 01:22:20,403 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-10-15 01:22:20,403 INFO L446 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: true [2019-10-15 01:22:20,403 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 821) no Hoare annotation was computed. [2019-10-15 01:22:20,403 INFO L446 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: true [2019-10-15 01:22:20,403 INFO L443 ceAbstractionStarter]: For program point L811-1(line 811) no Hoare annotation was computed. [2019-10-15 01:22:20,403 INFO L446 ceAbstractionStarter]: At program point processEnvironment__role__highWaterSensorENTRY(lines 805 829) the Hoare annotation is: true [2019-10-15 01:22:20,403 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 826) no Hoare annotation was computed. [2019-10-15 01:22:20,403 INFO L443 ceAbstractionStarter]: For program point processEnvironment__role__highWaterSensorEXIT(lines 805 829) no Hoare annotation was computed. [2019-10-15 01:22:20,404 INFO L443 ceAbstractionStarter]: For program point L1067(lines 1067 1071) no Hoare annotation was computed. [2019-10-15 01:22:20,404 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 1058 1076) the Hoare annotation is: true [2019-10-15 01:22:20,404 INFO L446 ceAbstractionStarter]: At program point L1065(line 1065) the Hoare annotation is: true [2019-10-15 01:22:20,404 INFO L443 ceAbstractionStarter]: For program point L1067-2(lines 1067 1071) no Hoare annotation was computed. [2019-10-15 01:22:20,404 INFO L443 ceAbstractionStarter]: For program point L1065-1(line 1065) no Hoare annotation was computed. [2019-10-15 01:22:20,404 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 1058 1076) no Hoare annotation was computed. [2019-10-15 01:22:20,404 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 1058 1076) no Hoare annotation was computed. [2019-10-15 01:22:20,404 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 274 289) no Hoare annotation was computed. [2019-10-15 01:22:20,404 INFO L446 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2019-10-15 01:22:20,405 INFO L446 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: true [2019-10-15 01:22:20,405 INFO L443 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2019-10-15 01:22:20,405 INFO L446 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2019-10-15 01:22:20,405 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-15 01:22:20,405 INFO L446 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: true [2019-10-15 01:22:20,405 INFO L443 ceAbstractionStarter]: For program point L283-1(line 283) no Hoare annotation was computed. [2019-10-15 01:22:20,405 INFO L446 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2019-10-15 01:22:20,405 INFO L443 ceAbstractionStarter]: For program point L282-1(line 282) no Hoare annotation was computed. [2019-10-15 01:22:20,405 INFO L446 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: true [2019-10-15 01:22:20,406 INFO L443 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2019-10-15 01:22:20,406 INFO L443 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2019-10-15 01:22:20,406 INFO L443 ceAbstractionStarter]: For program point select_featuresFINAL(lines 274 289) no Hoare annotation was computed. [2019-10-15 01:22:20,406 INFO L446 ceAbstractionStarter]: At program point select_featuresENTRY(lines 274 289) the Hoare annotation is: true [2019-10-15 01:22:20,406 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 636 681) no Hoare annotation was computed. [2019-10-15 01:22:20,406 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 663) no Hoare annotation was computed. [2019-10-15 01:22:20,406 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 636 681) no Hoare annotation was computed. [2019-10-15 01:22:20,406 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 670) no Hoare annotation was computed. [2019-10-15 01:22:20,406 INFO L443 ceAbstractionStarter]: For program point L650-1(lines 650 670) no Hoare annotation was computed. [2019-10-15 01:22:20,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 636 681) no Hoare annotation was computed. [2019-10-15 01:22:20,407 INFO L443 ceAbstractionStarter]: For program point L946-1(line 946) no Hoare annotation was computed. [2019-10-15 01:22:20,407 INFO L443 ceAbstractionStarter]: For program point activatePump__role__methaneQueryEXIT(lines 941 957) no Hoare annotation was computed. [2019-10-15 01:22:20,407 INFO L446 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2019-10-15 01:22:20,407 INFO L443 ceAbstractionStarter]: For program point L952-1(lines 941 957) no Hoare annotation was computed. [2019-10-15 01:22:20,407 INFO L446 ceAbstractionStarter]: At program point activatePump__role__methaneQueryENTRY(lines 941 957) the Hoare annotation is: true [2019-10-15 01:22:20,407 INFO L443 ceAbstractionStarter]: For program point L948(lines 948 954) no Hoare annotation was computed. [2019-10-15 01:22:20,407 INFO L446 ceAbstractionStarter]: At program point L946(line 946) the Hoare annotation is: true [2019-10-15 01:22:20,407 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 145) no Hoare annotation was computed. [2019-10-15 01:22:20,408 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 135 148) no Hoare annotation was computed. [2019-10-15 01:22:20,408 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 135 148) the Hoare annotation is: true [2019-10-15 01:22:20,408 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 135 148) no Hoare annotation was computed. [2019-10-15 01:22:20,408 INFO L446 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2019-10-15 01:22:20,408 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-10-15 01:22:20,408 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 916 932) no Hoare annotation was computed. [2019-10-15 01:22:20,408 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 916 932) the Hoare annotation is: true [2019-10-15 01:22:20,408 INFO L443 ceAbstractionStarter]: For program point processEnvironmentFINAL(lines 916 932) no Hoare annotation was computed. [2019-10-15 01:22:20,409 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 747) no Hoare annotation was computed. [2019-10-15 01:22:20,409 INFO L446 ceAbstractionStarter]: At program point L737-1(lines 725 748) the Hoare annotation is: true [2019-10-15 01:22:20,409 INFO L443 ceAbstractionStarter]: For program point L696(lines 695 752) no Hoare annotation was computed. [2019-10-15 01:22:20,409 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 748) no Hoare annotation was computed. [2019-10-15 01:22:20,409 INFO L446 ceAbstractionStarter]: At program point L750(lines 695 752) the Hoare annotation is: true [2019-10-15 01:22:20,409 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-15 01:22:20,409 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 744) no Hoare annotation was computed. [2019-10-15 01:22:20,409 INFO L443 ceAbstractionStarter]: For program point L705(lines 705 711) no Hoare annotation was computed. [2019-10-15 01:22:20,410 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2019-10-15 01:22:20,410 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2019-10-15 01:22:20,410 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-15 01:22:20,410 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 685 760) no Hoare annotation was computed. [2019-10-15 01:22:20,410 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 685 760) the Hoare annotation is: true [2019-10-15 01:22:20,410 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 685 760) no Hoare annotation was computed. [2019-10-15 01:22:20,410 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 721) no Hoare annotation was computed. [2019-10-15 01:22:20,410 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2019-10-15 01:22:20,411 INFO L446 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2019-10-15 01:22:20,411 INFO L446 ceAbstractionStarter]: At program point L707(line 707) the Hoare annotation is: true [2019-10-15 01:22:20,411 INFO L446 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: true [2019-10-15 01:22:20,411 INFO L446 ceAbstractionStarter]: At program point L753(lines 694 754) the Hoare annotation is: true [2019-10-15 01:22:20,411 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 149 157) no Hoare annotation was computed. [2019-10-15 01:22:20,411 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 149 157) the Hoare annotation is: true [2019-10-15 01:22:20,411 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 149 157) no Hoare annotation was computed. [2019-10-15 01:22:20,411 INFO L446 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: true [2019-10-15 01:22:20,411 INFO L443 ceAbstractionStarter]: For program point processEnvironment__role__methaneAlarmEXIT(lines 891 915) no Hoare annotation was computed. [2019-10-15 01:22:20,412 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-10-15 01:22:20,412 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 912) no Hoare annotation was computed. [2019-10-15 01:22:20,412 INFO L446 ceAbstractionStarter]: At program point processEnvironment__role__methaneAlarmENTRY(lines 891 915) the Hoare annotation is: true [2019-10-15 01:22:20,412 INFO L446 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2019-10-15 01:22:20,412 INFO L443 ceAbstractionStarter]: For program point L910-1(lines 891 915) no Hoare annotation was computed. [2019-10-15 01:22:20,412 INFO L446 ceAbstractionStarter]: At program point L905(line 905) the Hoare annotation is: true [2019-10-15 01:22:20,412 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-10-15 01:22:20,412 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 907) no Hoare annotation was computed. [2019-10-15 01:22:20,412 INFO L443 ceAbstractionStarter]: For program point activatePump__before__methaneQueryFINAL(lines 933 940) no Hoare annotation was computed. [2019-10-15 01:22:20,413 INFO L446 ceAbstractionStarter]: At program point activatePump__before__methaneQueryENTRY(lines 933 940) the Hoare annotation is: true [2019-10-15 01:22:20,413 INFO L443 ceAbstractionStarter]: For program point activatePump__before__methaneQueryEXIT(lines 933 940) no Hoare annotation was computed. [2019-10-15 01:22:20,413 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 119) no Hoare annotation was computed. [2019-10-15 01:22:20,413 INFO L443 ceAbstractionStarter]: For program point L111-2(lines 111 119) no Hoare annotation was computed. [2019-10-15 01:22:20,413 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 103 125) no Hoare annotation was computed. [2019-10-15 01:22:20,413 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 103 125) no Hoare annotation was computed. [2019-10-15 01:22:20,413 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 103 125) no Hoare annotation was computed. [2019-10-15 01:22:20,413 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 958 974) no Hoare annotation was computed. [2019-10-15 01:22:20,413 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 958 974) no Hoare annotation was computed. [2019-10-15 01:22:20,414 INFO L446 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: true [2019-10-15 01:22:20,414 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 958 974) the Hoare annotation is: true [2019-10-15 01:22:20,414 INFO L446 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: true [2019-10-15 01:22:20,414 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 126 134) the Hoare annotation is: true [2019-10-15 01:22:20,414 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 126 134) no Hoare annotation was computed. [2019-10-15 01:22:20,414 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-15 01:22:20,414 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 1039 1057) no Hoare annotation was computed. [2019-10-15 01:22:20,414 INFO L443 ceAbstractionStarter]: For program point L1048(lines 1048 1052) no Hoare annotation was computed. [2019-10-15 01:22:20,415 INFO L446 ceAbstractionStarter]: At program point L1046(line 1046) the Hoare annotation is: true [2019-10-15 01:22:20,415 INFO L443 ceAbstractionStarter]: For program point L1048-2(lines 1048 1052) no Hoare annotation was computed. [2019-10-15 01:22:20,415 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 1039 1057) the Hoare annotation is: true [2019-10-15 01:22:20,415 INFO L443 ceAbstractionStarter]: For program point L1046-1(line 1046) no Hoare annotation was computed. [2019-10-15 01:22:20,415 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 1039 1057) no Hoare annotation was computed. [2019-10-15 01:22:20,415 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2019-10-15 01:22:20,415 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2019-10-15 01:22:20,415 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2019-10-15 01:22:20,416 INFO L446 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2019-10-15 01:22:20,416 INFO L446 ceAbstractionStarter]: At program point L784(lines 784 790) the Hoare annotation is: true [2019-10-15 01:22:20,416 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 770 796) the Hoare annotation is: true [2019-10-15 01:22:20,416 INFO L446 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2019-10-15 01:22:20,416 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 770 796) no Hoare annotation was computed. [2019-10-15 01:22:20,416 INFO L443 ceAbstractionStarter]: For program point L777(lines 773 795) no Hoare annotation was computed. [2019-10-15 01:22:20,416 INFO L443 ceAbstractionStarter]: For program point L775(lines 773 795) no Hoare annotation was computed. [2019-10-15 01:22:20,417 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 770 796) no Hoare annotation was computed. [2019-10-15 01:22:20,417 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 161 190) no Hoare annotation was computed. [2019-10-15 01:22:20,417 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 161 190) the Hoare annotation is: true [2019-10-15 01:22:20,417 INFO L446 ceAbstractionStarter]: At program point L186(lines 161 190) the Hoare annotation is: true [2019-10-15 01:22:20,417 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-10-15 01:22:20,417 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 179) no Hoare annotation was computed. [2019-10-15 01:22:20,417 INFO L446 ceAbstractionStarter]: At program point L175-1(lines 175 179) the Hoare annotation is: true [2019-10-15 01:22:20,417 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-15 01:22:20,417 INFO L446 ceAbstractionStarter]: At program point L171-2(lines 171 185) the Hoare annotation is: true [2019-10-15 01:22:20,418 INFO L446 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: true [2019-10-15 01:22:20,418 INFO L443 ceAbstractionStarter]: For program point L167-1(line 167) no Hoare annotation was computed. [2019-10-15 01:22:20,418 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 58 69) the Hoare annotation is: true [2019-10-15 01:22:20,418 INFO L443 ceAbstractionStarter]: For program point L62-1(lines 58 69) no Hoare annotation was computed. [2019-10-15 01:22:20,418 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 58 69) no Hoare annotation was computed. [2019-10-15 01:22:20,418 INFO L446 ceAbstractionStarter]: At program point processEnvironment__before__highWaterSensorFINAL(lines 797 803) the Hoare annotation is: true [2019-10-15 01:22:20,418 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__highWaterSensorEXIT(lines 797 803) no Hoare annotation was computed. [2019-10-15 01:22:20,418 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 1092 1099) no Hoare annotation was computed. [2019-10-15 01:22:20,419 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 1092 1099) the Hoare annotation is: true [2019-10-15 01:22:20,419 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 1092 1099) no Hoare annotation was computed. [2019-10-15 01:22:20,419 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2019-10-15 01:22:20,419 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2019-10-15 01:22:20,419 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2019-10-15 01:22:20,419 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 308 315) no Hoare annotation was computed. [2019-10-15 01:22:20,419 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 308 315) the Hoare annotation is: true [2019-10-15 01:22:20,419 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 312) no Hoare annotation was computed. [2019-10-15 01:22:20,420 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 308 315) no Hoare annotation was computed. [2019-10-15 01:22:20,420 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__methaneAlarmFINAL(lines 873 889) no Hoare annotation was computed. [2019-10-15 01:22:20,420 INFO L446 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2019-10-15 01:22:20,420 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__methaneAlarmEXIT(lines 873 889) no Hoare annotation was computed. [2019-10-15 01:22:20,420 INFO L446 ceAbstractionStarter]: At program point processEnvironment__before__methaneAlarmENTRY(lines 873 889) the Hoare annotation is: true [2019-10-15 01:22:20,420 INFO L446 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: true [2019-10-15 01:22:20,420 INFO L446 ceAbstractionStarter]: At program point select_helpersENTRY(lines 290 297) the Hoare annotation is: true [2019-10-15 01:22:20,420 INFO L443 ceAbstractionStarter]: For program point select_helpersFINAL(lines 290 297) no Hoare annotation was computed. [2019-10-15 01:22:20,421 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 290 297) no Hoare annotation was computed. [2019-10-15 01:22:20,421 INFO L446 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2019-10-15 01:22:20,421 INFO L446 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: true [2019-10-15 01:22:20,421 INFO L443 ceAbstractionStarter]: For program point L856(lines 856 864) no Hoare annotation was computed. [2019-10-15 01:22:20,421 INFO L446 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2019-10-15 01:22:20,421 INFO L443 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2019-10-15 01:22:20,421 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 869) no Hoare annotation was computed. [2019-10-15 01:22:20,421 INFO L443 ceAbstractionStarter]: For program point processEnvironment__role__lowWaterSensorEXIT(lines 848 872) no Hoare annotation was computed. [2019-10-15 01:22:20,422 INFO L446 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: true [2019-10-15 01:22:20,422 INFO L446 ceAbstractionStarter]: At program point processEnvironment__role__lowWaterSensorENTRY(lines 848 872) the Hoare annotation is: true [2019-10-15 01:22:20,422 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 848 872) no Hoare annotation was computed. [2019-10-15 01:22:20,422 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 1102 1109) the Hoare annotation is: true [2019-10-15 01:22:20,422 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 1102 1109) no Hoare annotation was computed. [2019-10-15 01:22:20,422 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 1102 1109) no Hoare annotation was computed. [2019-10-15 01:22:20,422 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 1110 1119) the Hoare annotation is: true [2019-10-15 01:22:20,422 INFO L443 ceAbstractionStarter]: For program point L1115(line 1115) no Hoare annotation was computed. [2019-10-15 01:22:20,422 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 1110 1119) no Hoare annotation was computed. [2019-10-15 01:22:20,423 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 1110 1119) no Hoare annotation was computed. [2019-10-15 01:22:20,423 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 1120 1148) the Hoare annotation is: true [2019-10-15 01:22:20,423 INFO L446 ceAbstractionStarter]: At program point L1135(line 1135) the Hoare annotation is: true [2019-10-15 01:22:20,423 INFO L443 ceAbstractionStarter]: For program point L1133(lines 1133 1139) no Hoare annotation was computed. [2019-10-15 01:22:20,423 INFO L443 ceAbstractionStarter]: For program point L1132(lines 1132 1142) no Hoare annotation was computed. [2019-10-15 01:22:20,423 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 1120 1148) no Hoare annotation was computed. [2019-10-15 01:22:20,423 INFO L446 ceAbstractionStarter]: At program point L1130(line 1130) the Hoare annotation is: true [2019-10-15 01:22:20,423 INFO L443 ceAbstractionStarter]: For program point L1130-1(line 1130) no Hoare annotation was computed. [2019-10-15 01:22:20,424 INFO L443 ceAbstractionStarter]: For program point L1128(lines 1128 1145) no Hoare annotation was computed. [2019-10-15 01:22:20,424 INFO L443 ceAbstractionStarter]: For program point L1128-1(lines 1120 1148) no Hoare annotation was computed. [2019-10-15 01:22:20,424 INFO L446 ceAbstractionStarter]: At program point L1126(line 1126) the Hoare annotation is: true [2019-10-15 01:22:20,424 INFO L443 ceAbstractionStarter]: For program point L1126-1(line 1126) no Hoare annotation was computed. [2019-10-15 01:22:20,424 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 994 1002) no Hoare annotation was computed. [2019-10-15 01:22:20,424 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 994 1002) the Hoare annotation is: true [2019-10-15 01:22:20,424 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 994 1002) no Hoare annotation was computed. [2019-10-15 01:22:20,425 INFO L446 ceAbstractionStarter]: At program point processEnvironment__before__lowWaterSensorENTRY(lines 830 846) the Hoare annotation is: true [2019-10-15 01:22:20,425 INFO L446 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2019-10-15 01:22:20,425 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__lowWaterSensorFINAL(lines 830 846) no Hoare annotation was computed. [2019-10-15 01:22:20,425 INFO L446 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: true [2019-10-15 01:22:20,425 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__lowWaterSensorEXIT(lines 830 846) no Hoare annotation was computed. [2019-10-15 01:22:20,425 INFO L443 ceAbstractionStarter]: For program point L1022(lines 1022 1030) no Hoare annotation was computed. [2019-10-15 01:22:20,425 INFO L443 ceAbstractionStarter]: For program point L1022-2(lines 1022 1030) no Hoare annotation was computed. [2019-10-15 01:22:20,425 INFO L443 ceAbstractionStarter]: For program point L1010(lines 1010 1018) no Hoare annotation was computed. [2019-10-15 01:22:20,425 INFO L443 ceAbstractionStarter]: For program point L1010-2(lines 1010 1018) no Hoare annotation was computed. [2019-10-15 01:22:20,426 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 1003 1038) no Hoare annotation was computed. [2019-10-15 01:22:20,426 INFO L443 ceAbstractionStarter]: For program point L1033(line 1033) no Hoare annotation was computed. [2019-10-15 01:22:20,426 INFO L443 ceAbstractionStarter]: For program point L1033-1(line 1033) no Hoare annotation was computed. [2019-10-15 01:22:20,426 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 1003 1038) no Hoare annotation was computed. [2019-10-15 01:22:20,426 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 1003 1038) no Hoare annotation was computed. [2019-10-15 01:22:20,426 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 323 368) no Hoare annotation was computed. [2019-10-15 01:22:20,426 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 323 368) no Hoare annotation was computed. [2019-10-15 01:22:20,426 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 323 368) no Hoare annotation was computed. [2019-10-15 01:22:20,427 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 225 235) the Hoare annotation is: true [2019-10-15 01:22:20,427 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 225 235) no Hoare annotation was computed. [2019-10-15 01:22:20,427 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 225 235) no Hoare annotation was computed. [2019-10-15 01:22:20,427 INFO L446 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2019-10-15 01:22:20,427 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 983 993) the Hoare annotation is: true [2019-10-15 01:22:20,427 INFO L446 ceAbstractionStarter]: At program point L988(line 988) the Hoare annotation is: true [2019-10-15 01:22:20,427 INFO L443 ceAbstractionStarter]: For program point L988-1(line 988) no Hoare annotation was computed. [2019-10-15 01:22:20,427 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 983 993) no Hoare annotation was computed. [2019-10-15 01:22:20,428 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 983 993) no Hoare annotation was computed. [2019-10-15 01:22:20,428 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 975 982) the Hoare annotation is: true [2019-10-15 01:22:20,428 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 975 982) no Hoare annotation was computed. [2019-10-15 01:22:20,428 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 975 982) no Hoare annotation was computed. [2019-10-15 01:22:20,428 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 624) no Hoare annotation was computed. [2019-10-15 01:22:20,428 INFO L443 ceAbstractionStarter]: For program point L604-1(lines 604 624) no Hoare annotation was computed. [2019-10-15 01:22:20,428 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 590 635) no Hoare annotation was computed. [2019-10-15 01:22:20,428 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 590 635) no Hoare annotation was computed. [2019-10-15 01:22:20,429 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 590 635) no Hoare annotation was computed. [2019-10-15 01:22:20,429 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 617) no Hoare annotation was computed. [2019-10-15 01:22:20,429 INFO L446 ceAbstractionStarter]: At program point select_oneENTRY(lines 264 273) the Hoare annotation is: true [2019-10-15 01:22:20,429 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 264 273) no Hoare annotation was computed. [2019-10-15 01:22:20,429 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 264 273) no Hoare annotation was computed. [2019-10-15 01:22:20,429 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 583) no Hoare annotation was computed. [2019-10-15 01:22:20,429 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 487 589) no Hoare annotation was computed. [2019-10-15 01:22:20,429 INFO L443 ceAbstractionStarter]: For program point L537(lines 536 556) no Hoare annotation was computed. [2019-10-15 01:22:20,429 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-15 01:22:20,430 INFO L443 ceAbstractionStarter]: For program point L568-1(line 568) no Hoare annotation was computed. [2019-10-15 01:22:20,430 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 574) no Hoare annotation was computed. [2019-10-15 01:22:20,430 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-15 01:22:20,430 INFO L443 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2019-10-15 01:22:20,430 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 487 589) no Hoare annotation was computed. [2019-10-15 01:22:20,430 INFO L443 ceAbstractionStarter]: For program point L511(lines 511 515) no Hoare annotation was computed. [2019-10-15 01:22:20,430 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 586) no Hoare annotation was computed. [2019-10-15 01:22:20,430 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 542) no Hoare annotation was computed. [2019-10-15 01:22:20,430 INFO L443 ceAbstractionStarter]: For program point L536-2(lines 536 556) no Hoare annotation was computed. [2019-10-15 01:22:20,431 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 487 589) no Hoare annotation was computed. [2019-10-15 01:22:20,431 INFO L443 ceAbstractionStarter]: For program point L557(lines 535 558) no Hoare annotation was computed. [2019-10-15 01:22:20,431 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 532) no Hoare annotation was computed. [2019-10-15 01:22:20,431 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:20,431 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))) [2019-10-15 01:22:20,431 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:20,431 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2019-10-15 01:22:20,432 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2019-10-15 01:22:20,432 INFO L443 ceAbstractionStarter]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2019-10-15 01:22:20,432 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:20,432 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:22:20,432 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:20,432 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 216 222) no Hoare annotation was computed. [2019-10-15 01:22:20,432 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 216 222) the Hoare annotation is: true [2019-10-15 01:22:20,432 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:20,433 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:22:20,433 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:22:20,433 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:20,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:22:20 BoogieIcfgContainer [2019-10-15 01:22:20,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:22:20,445 INFO L168 Benchmark]: Toolchain (without parser) took 14052.43 ms. Allocated memory was 138.9 MB in the beginning and 459.8 MB in the end (delta: 320.9 MB). Free memory was 101.0 MB in the beginning and 161.7 MB in the end (delta: -60.7 MB). Peak memory consumption was 260.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:20,446 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:22:20,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.28 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 166.3 MB in the end (delta: -65.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:20,447 INFO L168 Benchmark]: Boogie Preprocessor took 120.86 ms. Allocated memory is still 203.9 MB. Free memory was 166.3 MB in the beginning and 162.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:20,448 INFO L168 Benchmark]: RCFGBuilder took 1225.81 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 182.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:20,449 INFO L168 Benchmark]: TraceAbstraction took 11948.93 ms. Allocated memory was 237.5 MB in the beginning and 459.8 MB in the end (delta: 222.3 MB). Free memory was 181.2 MB in the beginning and 161.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 241.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:20,452 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 138.9 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.28 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 166.3 MB in the end (delta: -65.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.86 ms. Allocated memory is still 203.9 MB. Free memory was 166.3 MB in the beginning and 162.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1225.81 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 182.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11948.93 ms. Allocated memory was 237.5 MB in the beginning and 459.8 MB in the end (delta: 222.3 MB). Free memory was 181.2 MB in the beginning and 161.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 241.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 312]: 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: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 308 locations, 1 error locations. Result: SAFE, OverallTime: 11.8s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 2650 SDtfs, 2231 SDslu, 5246 SDs, 0 SdLazy, 3014 SolverSat, 925 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 683 GetRequests, 619 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2702occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 364 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 96 LocationsWithAnnotation, 4168 PreInvPairs, 4169 NumberOfFragments, 106 HoareAnnotationTreeSize, 4168 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 96 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1705 NumberOfCodeBlocks, 1705 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2078 ConstructedInterpolants, 0 QuantifiedInterpolants, 550952 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2312 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 892/945 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 122, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8102564102564103, 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...