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_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:11,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:11,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:11,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:11,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:11,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:11,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:11,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:11,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:11,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:11,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:11,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:11,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:11,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:11,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:11,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:11,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:11,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:11,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:11,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:11,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:11,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:11,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:11,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:11,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:11,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:11,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:11,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:11,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:11,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:11,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:11,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:11,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:11,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:11,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:11,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:11,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:11,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:11,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:11,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:11,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:11,275 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 01:19:11,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:11,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:11,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:11,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:11,307 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:11,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:11,307 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:11,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:11,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:11,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:11,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:11,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:11,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:11,309 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:11,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:11,309 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:11,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:11,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:11,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:11,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:11,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:11,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:11,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:11,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:11,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:11,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:11,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:11,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:11,312 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 01:19:11,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:11,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:11,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:11,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:11,613 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:11,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-10-15 01:19:11,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7beb0a320/75ec14fa4b3a45c5a76beb0b656bd361/FLAGeb66228f7 [2019-10-15 01:19:12,225 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:12,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-10-15 01:19:12,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7beb0a320/75ec14fa4b3a45c5a76beb0b656bd361/FLAGeb66228f7 [2019-10-15 01:19:12,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7beb0a320/75ec14fa4b3a45c5a76beb0b656bd361 [2019-10-15 01:19:12,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:12,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:12,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:12,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:12,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:12,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:12" (1/1) ... [2019-10-15 01:19:12,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4432d2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:12, skipping insertion in model container [2019-10-15 01:19:12,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:12" (1/1) ... [2019-10-15 01:19:12,559 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:12,627 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:13,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:13,104 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:13,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:13,241 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:13,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13 WrapperNode [2019-10-15 01:19:13,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:13,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:13,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:13,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:13,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:13,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:13,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:13,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:13,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (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 01:19:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:19:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:19:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:19:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:19:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:14,606 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:14,607 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:14,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:14 BoogieIcfgContainer [2019-10-15 01:19:14,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:14,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:14,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:14,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:14,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:12" (1/3) ... [2019-10-15 01:19:14,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a4f69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:14, skipping insertion in model container [2019-10-15 01:19:14,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (2/3) ... [2019-10-15 01:19:14,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a4f69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:14, skipping insertion in model container [2019-10-15 01:19:14,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:14" (3/3) ... [2019-10-15 01:19:14,618 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2019-10-15 01:19:14,628 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:14,637 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:14,649 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:14,680 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:14,680 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:14,680 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:14,680 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:14,681 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:14,681 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:14,681 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:14,681 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:14,705 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-10-15 01:19:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:14,715 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:14,716 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:14,718 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:14,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:14,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1301923028, now seen corresponding path program 1 times [2019-10-15 01:19:14,734 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:14,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21263259] [2019-10-15 01:19:14,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,056 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21263259] [2019-10-15 01:19:15,057 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:15,058 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:15,059 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385562396] [2019-10-15 01:19:15,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:15,067 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:15,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:15,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:15,095 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-10-15 01:19:15,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:15,175 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2019-10-15 01:19:15,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:15,177 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:15,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:15,190 INFO L225 Difference]: With dead ends: 300 [2019-10-15 01:19:15,191 INFO L226 Difference]: Without dead ends: 150 [2019-10-15 01:19:15,196 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 01:19:15,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-15 01:19:15,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-15 01:19:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-15 01:19:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2019-10-15 01:19:15,253 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2019-10-15 01:19:15,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:15,253 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2019-10-15 01:19:15,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2019-10-15 01:19:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:15,257 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,258 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:15,258 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,258 INFO L82 PathProgramCache]: Analyzing trace with hash -216566915, now seen corresponding path program 1 times [2019-10-15 01:19:15,259 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428317486] [2019-10-15 01:19:15,259 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,259 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,422 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428317486] [2019-10-15 01:19:15,423 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:15,423 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:15,423 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525302112] [2019-10-15 01:19:15,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:15,426 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:15,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:15,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:15,427 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2019-10-15 01:19:15,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:15,465 INFO L93 Difference]: Finished difference Result 249 states and 297 transitions. [2019-10-15 01:19:15,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:15,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:15,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:15,471 INFO L225 Difference]: With dead ends: 249 [2019-10-15 01:19:15,474 INFO L226 Difference]: Without dead ends: 141 [2019-10-15 01:19:15,476 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 01:19:15,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-15 01:19:15,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-15 01:19:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-15 01:19:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2019-10-15 01:19:15,492 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2019-10-15 01:19:15,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:15,493 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2019-10-15 01:19:15,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:15,493 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2019-10-15 01:19:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:15,495 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,495 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:15,496 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1163721234, now seen corresponding path program 1 times [2019-10-15 01:19:15,496 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,497 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388517499] [2019-10-15 01:19:15,497 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,497 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,650 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388517499] [2019-10-15 01:19:15,650 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:15,650 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:15,650 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252320250] [2019-10-15 01:19:15,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:15,651 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:15,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:15,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:15,652 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 7 states. [2019-10-15 01:19:16,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:16,034 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2019-10-15 01:19:16,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:16,035 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-15 01:19:16,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,038 INFO L225 Difference]: With dead ends: 258 [2019-10-15 01:19:16,039 INFO L226 Difference]: Without dead ends: 141 [2019-10-15 01:19:16,045 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:16,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-15 01:19:16,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-15 01:19:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-15 01:19:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2019-10-15 01:19:16,073 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2019-10-15 01:19:16,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:16,074 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2019-10-15 01:19:16,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:16,074 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2019-10-15 01:19:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-15 01:19:16,082 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:16,082 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:16,083 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:16,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:16,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1315506319, now seen corresponding path program 1 times [2019-10-15 01:19:16,085 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:16,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212168725] [2019-10-15 01:19:16,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:16,230 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212168725] [2019-10-15 01:19:16,230 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:16,230 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:19:16,230 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62924135] [2019-10-15 01:19:16,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:16,231 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:16,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:19:16,232 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 5 states. [2019-10-15 01:19:16,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:16,767 INFO L93 Difference]: Finished difference Result 367 states and 446 transitions. [2019-10-15 01:19:16,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:16,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-10-15 01:19:16,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,773 INFO L225 Difference]: With dead ends: 367 [2019-10-15 01:19:16,774 INFO L226 Difference]: Without dead ends: 250 [2019-10-15 01:19:16,777 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:16,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-15 01:19:16,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2019-10-15 01:19:16,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2019-10-15 01:19:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2019-10-15 01:19:16,833 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2019-10-15 01:19:16,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:16,833 INFO L462 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2019-10-15 01:19:16,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:16,834 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2019-10-15 01:19:16,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 01:19:16,835 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:16,835 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:16,835 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:16,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:16,836 INFO L82 PathProgramCache]: Analyzing trace with hash -921409892, now seen corresponding path program 1 times [2019-10-15 01:19:16,836 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:16,836 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362170963] [2019-10-15 01:19:16,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:17,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362170963] [2019-10-15 01:19:17,005 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:17,005 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:17,005 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297523460] [2019-10-15 01:19:17,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:17,006 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:17,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:17,006 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 6 states. [2019-10-15 01:19:17,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,242 INFO L93 Difference]: Finished difference Result 633 states and 742 transitions. [2019-10-15 01:19:17,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:17,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-10-15 01:19:17,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,248 INFO L225 Difference]: With dead ends: 633 [2019-10-15 01:19:17,248 INFO L226 Difference]: Without dead ends: 425 [2019-10-15 01:19:17,249 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:17,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-10-15 01:19:17,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 419. [2019-10-15 01:19:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-15 01:19:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 478 transitions. [2019-10-15 01:19:17,284 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 478 transitions. Word has length 83 [2019-10-15 01:19:17,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,285 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 478 transitions. [2019-10-15 01:19:17,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 478 transitions. [2019-10-15 01:19:17,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:19:17,287 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:17,287 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:17,287 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:17,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:17,288 INFO L82 PathProgramCache]: Analyzing trace with hash 592685792, now seen corresponding path program 1 times [2019-10-15 01:19:17,288 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:17,288 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301215058] [2019-10-15 01:19:17,288 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,288 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:17,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301215058] [2019-10-15 01:19:17,394 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:17,394 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:17,394 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334772844] [2019-10-15 01:19:17,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:17,395 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:17,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:17,396 INFO L87 Difference]: Start difference. First operand 419 states and 478 transitions. Second operand 7 states. [2019-10-15 01:19:18,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,070 INFO L93 Difference]: Finished difference Result 452 states and 528 transitions. [2019-10-15 01:19:18,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:18,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-15 01:19:18,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,075 INFO L225 Difference]: With dead ends: 452 [2019-10-15 01:19:18,075 INFO L226 Difference]: Without dead ends: 449 [2019-10-15 01:19:18,076 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:18,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-15 01:19:18,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 419. [2019-10-15 01:19:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-15 01:19:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 477 transitions. [2019-10-15 01:19:18,107 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 477 transitions. Word has length 87 [2019-10-15 01:19:18,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,107 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 477 transitions. [2019-10-15 01:19:18,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 477 transitions. [2019-10-15 01:19:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:18,109 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,110 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:18,110 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,110 INFO L82 PathProgramCache]: Analyzing trace with hash -88143431, now seen corresponding path program 1 times [2019-10-15 01:19:18,111 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,111 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96064295] [2019-10-15 01:19:18,111 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,111 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96064295] [2019-10-15 01:19:18,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:18,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201705528] [2019-10-15 01:19:18,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:18,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:18,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:18,182 INFO L87 Difference]: Start difference. First operand 419 states and 477 transitions. Second operand 6 states. [2019-10-15 01:19:18,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,226 INFO L93 Difference]: Finished difference Result 828 states and 966 transitions. [2019-10-15 01:19:18,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:18,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-15 01:19:18,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,230 INFO L225 Difference]: With dead ends: 828 [2019-10-15 01:19:18,230 INFO L226 Difference]: Without dead ends: 433 [2019-10-15 01:19:18,231 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 01:19:18,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-10-15 01:19:18,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 429. [2019-10-15 01:19:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2019-10-15 01:19:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 487 transitions. [2019-10-15 01:19:18,257 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 487 transitions. Word has length 103 [2019-10-15 01:19:18,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,257 INFO L462 AbstractCegarLoop]: Abstraction has 429 states and 487 transitions. [2019-10-15 01:19:18,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 487 transitions. [2019-10-15 01:19:18,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:18,259 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,260 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:18,260 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,260 INFO L82 PathProgramCache]: Analyzing trace with hash -441231813, now seen corresponding path program 1 times [2019-10-15 01:19:18,260 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,261 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771532138] [2019-10-15 01:19:18,261 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,261 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,343 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771532138] [2019-10-15 01:19:18,344 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,344 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:18,344 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019858003] [2019-10-15 01:19:18,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:18,345 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:18,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:18,346 INFO L87 Difference]: Start difference. First operand 429 states and 487 transitions. Second operand 8 states. [2019-10-15 01:19:18,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,394 INFO L93 Difference]: Finished difference Result 848 states and 988 transitions. [2019-10-15 01:19:18,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:18,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:19:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,398 INFO L225 Difference]: With dead ends: 848 [2019-10-15 01:19:18,398 INFO L226 Difference]: Without dead ends: 443 [2019-10-15 01:19:18,400 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:18,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-10-15 01:19:18,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 437. [2019-10-15 01:19:18,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2019-10-15 01:19:18,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2019-10-15 01:19:18,428 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2019-10-15 01:19:18,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,429 INFO L462 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2019-10-15 01:19:18,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2019-10-15 01:19:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:18,431 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,431 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:18,431 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,432 INFO L82 PathProgramCache]: Analyzing trace with hash 691958780, now seen corresponding path program 1 times [2019-10-15 01:19:18,469 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,469 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171037851] [2019-10-15 01:19:18,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,542 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171037851] [2019-10-15 01:19:18,543 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,543 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:18,543 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532747288] [2019-10-15 01:19:18,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:18,544 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:18,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:18,545 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 4 states. [2019-10-15 01:19:18,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,807 INFO L93 Difference]: Finished difference Result 1297 states and 1546 transitions. [2019-10-15 01:19:18,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:18,807 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-15 01:19:18,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,813 INFO L225 Difference]: With dead ends: 1297 [2019-10-15 01:19:18,813 INFO L226 Difference]: Without dead ends: 884 [2019-10-15 01:19:18,815 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:18,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2019-10-15 01:19:18,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 869. [2019-10-15 01:19:18,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2019-10-15 01:19:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1015 transitions. [2019-10-15 01:19:18,867 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1015 transitions. Word has length 103 [2019-10-15 01:19:18,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,867 INFO L462 AbstractCegarLoop]: Abstraction has 869 states and 1015 transitions. [2019-10-15 01:19:18,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1015 transitions. [2019-10-15 01:19:18,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:19:18,870 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,870 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:18,871 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,871 INFO L82 PathProgramCache]: Analyzing trace with hash -867723262, now seen corresponding path program 1 times [2019-10-15 01:19:18,871 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,872 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487651887] [2019-10-15 01:19:18,872 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,872 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:19,013 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487651887] [2019-10-15 01:19:19,013 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745000199] [2019-10-15 01:19:19,014 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 01:19:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:19,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:19,437 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:20,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:20,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:20,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038000420] [2019-10-15 01:19:20,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:20,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:20,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:20,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:20,741 INFO L87 Difference]: Start difference. First operand 869 states and 1015 transitions. Second operand 8 states. [2019-10-15 01:19:21,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:21,306 INFO L93 Difference]: Finished difference Result 1684 states and 1979 transitions. [2019-10-15 01:19:21,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:21,307 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-15 01:19:21,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:21,312 INFO L225 Difference]: With dead ends: 1684 [2019-10-15 01:19:21,312 INFO L226 Difference]: Without dead ends: 839 [2019-10-15 01:19:21,318 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 196 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:21,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2019-10-15 01:19:21,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 839. [2019-10-15 01:19:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 839 states. [2019-10-15 01:19:21,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 966 transitions. [2019-10-15 01:19:21,375 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 966 transitions. Word has length 107 [2019-10-15 01:19:21,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:21,377 INFO L462 AbstractCegarLoop]: Abstraction has 839 states and 966 transitions. [2019-10-15 01:19:21,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:21,377 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 966 transitions. [2019-10-15 01:19:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-15 01:19:21,383 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:21,383 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:21,587 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:21,588 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:21,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:21,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1034143598, now seen corresponding path program 1 times [2019-10-15 01:19:21,589 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:21,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811936207] [2019-10-15 01:19:21,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:21,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:21,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 01:19:21,743 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811936207] [2019-10-15 01:19:21,743 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433926498] [2019-10-15 01:19:21,743 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 01:19:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:21,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-15 01:19:21,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:19:22,027 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 01:19:22,345 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:22,345 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-15 01:19:22,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540214336] [2019-10-15 01:19:22,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:22,347 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:22,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:22,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:22,347 INFO L87 Difference]: Start difference. First operand 839 states and 966 transitions. Second operand 5 states. [2019-10-15 01:19:23,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:23,112 INFO L93 Difference]: Finished difference Result 1795 states and 2189 transitions. [2019-10-15 01:19:23,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:23,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2019-10-15 01:19:23,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:23,119 INFO L225 Difference]: With dead ends: 1795 [2019-10-15 01:19:23,120 INFO L226 Difference]: Without dead ends: 1110 [2019-10-15 01:19:23,123 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-15 01:19:23,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2019-10-15 01:19:23,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1021. [2019-10-15 01:19:23,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2019-10-15 01:19:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1195 transitions. [2019-10-15 01:19:23,181 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1195 transitions. Word has length 176 [2019-10-15 01:19:23,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:23,182 INFO L462 AbstractCegarLoop]: Abstraction has 1021 states and 1195 transitions. [2019-10-15 01:19:23,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:23,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1195 transitions. [2019-10-15 01:19:23,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-15 01:19:23,186 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:23,186 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:23,393 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:23,394 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:23,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:23,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1713415852, now seen corresponding path program 1 times [2019-10-15 01:19:23,394 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:23,394 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675782962] [2019-10-15 01:19:23,395 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:23,395 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:23,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:23,539 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:19:23,539 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675782962] [2019-10-15 01:19:23,539 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962653115] [2019-10-15 01:19:23,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:23,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:23,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:23,935 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:23,935 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:24,461 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:19:24,461 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:24,461 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:24,461 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222988004] [2019-10-15 01:19:24,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:24,462 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:24,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:24,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:24,463 INFO L87 Difference]: Start difference. First operand 1021 states and 1195 transitions. Second operand 8 states. [2019-10-15 01:19:24,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:24,887 INFO L93 Difference]: Finished difference Result 1757 states and 2090 transitions. [2019-10-15 01:19:24,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:24,887 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2019-10-15 01:19:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:24,888 INFO L225 Difference]: With dead ends: 1757 [2019-10-15 01:19:24,889 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:24,893 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:24,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:24,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:24,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-10-15 01:19:24,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:24,894 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:24,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:24,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:25,099 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:25,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:26,517 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-10-15 01:19:26,722 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2019-10-15 01:19:26,849 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2019-10-15 01:19:27,032 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-15 01:19:27,501 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-10-15 01:19:27,627 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:19:27,759 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2019-10-15 01:19:27,882 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-15 01:19:28,002 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-15 01:19:28,125 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:19:29,032 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-10-15 01:19:29,251 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2019-10-15 01:19:30,076 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-15 01:19:30,217 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-10-15 01:19:30,220 INFO L443 ceAbstractionStarter]: For program point L730(lines 707 731) no Hoare annotation was computed. [2019-10-15 01:19:30,220 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 683 738) no Hoare annotation was computed. [2019-10-15 01:19:30,220 INFO L443 ceAbstractionStarter]: For program point L714(lines 714 718) no Hoare annotation was computed. [2019-10-15 01:19:30,220 INFO L443 ceAbstractionStarter]: For program point L714-1(lines 714 718) no Hoare annotation was computed. [2019-10-15 01:19:30,220 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 683 738) no Hoare annotation was computed. [2019-10-15 01:19:30,220 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-10-15 01:19:30,220 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 683 738) no Hoare annotation was computed. [2019-10-15 01:19:30,220 INFO L443 ceAbstractionStarter]: For program point L708-2(lines 708 729) no Hoare annotation was computed. [2019-10-15 01:19:30,221 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-15 01:19:30,221 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 790) no Hoare annotation was computed. [2019-10-15 01:19:30,221 INFO L443 ceAbstractionStarter]: For program point L791(lines 764 792) no Hoare annotation was computed. [2019-10-15 01:19:30,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 739 798) no Hoare annotation was computed. [2019-10-15 01:19:30,221 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-10-15 01:19:30,221 INFO L443 ceAbstractionStarter]: For program point L784-1(line 784) no Hoare annotation was computed. [2019-10-15 01:19:30,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 739 798) no Hoare annotation was computed. [2019-10-15 01:19:30,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 739 798) no Hoare annotation was computed. [2019-10-15 01:19:30,221 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-10-15 01:19:30,222 INFO L443 ceAbstractionStarter]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2019-10-15 01:19:30,222 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-15 01:19:30,222 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-15 01:19:30,222 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:19:30,222 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-15 01:19:30,222 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:19:30,222 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,222 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2019-10-15 01:19:30,223 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,223 INFO L439 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,223 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2019-10-15 01:19:30,223 INFO L443 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2019-10-15 01:19:30,223 INFO L443 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2019-10-15 01:19:30,223 INFO L439 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,223 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,223 INFO L439 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,223 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point L273(line 273) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point L272(line 272) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point L271(line 271) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point L270(line 270) no Hoare annotation was computed. [2019-10-15 01:19:30,224 INFO L443 ceAbstractionStarter]: For program point L269(line 269) no Hoare annotation was computed. [2019-10-15 01:19:30,225 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-15 01:19:30,225 INFO L443 ceAbstractionStarter]: For program point L267(line 267) no Hoare annotation was computed. [2019-10-15 01:19:30,225 INFO L443 ceAbstractionStarter]: For program point L266(line 266) no Hoare annotation was computed. [2019-10-15 01:19:30,225 INFO L443 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2019-10-15 01:19:30,225 INFO L443 ceAbstractionStarter]: For program point L264(line 264) no Hoare annotation was computed. [2019-10-15 01:19:30,225 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-10-15 01:19:30,225 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-15 01:19:30,225 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2019-10-15 01:19:30,226 INFO L439 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:19:30,226 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,226 INFO L439 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:19:30,226 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2019-10-15 01:19:30,226 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2019-10-15 01:19:30,226 INFO L439 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:19:30,226 INFO L443 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2019-10-15 01:19:30,227 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2019-10-15 01:19:30,227 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2019-10-15 01:19:30,227 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2019-10-15 01:19:30,227 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2019-10-15 01:19:30,227 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2019-10-15 01:19:30,227 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2019-10-15 01:19:30,227 INFO L446 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2019-10-15 01:19:30,227 INFO L443 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2019-10-15 01:19:30,227 INFO L443 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2019-10-15 01:19:30,228 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2019-10-15 01:19:30,228 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2019-10-15 01:19:30,228 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 518) no Hoare annotation was computed. [2019-10-15 01:19:30,228 INFO L443 ceAbstractionStarter]: For program point L510-2(lines 510 518) no Hoare annotation was computed. [2019-10-15 01:19:30,228 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 506) no Hoare annotation was computed. [2019-10-15 01:19:30,228 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2019-10-15 01:19:30,228 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 491 526) no Hoare annotation was computed. [2019-10-15 01:19:30,228 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-15 01:19:30,228 INFO L443 ceAbstractionStarter]: For program point L521-1(line 521) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 491 526) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 491 526) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 637 682) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 637 682) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 637 682) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 950 995) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 950 995) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2019-10-15 01:19:30,229 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 950 995) no Hoare annotation was computed. [2019-10-15 01:19:30,230 INFO L443 ceAbstractionStarter]: For program point L964(lines 964 984) no Hoare annotation was computed. [2019-10-15 01:19:30,230 INFO L443 ceAbstractionStarter]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2019-10-15 01:19:30,230 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,230 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2019-10-15 01:19:30,230 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2019-10-15 01:19:30,230 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2019-10-15 01:19:30,230 INFO L446 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2019-10-15 01:19:30,230 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-10-15 01:19:30,230 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2019-10-15 01:19:30,230 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2019-10-15 01:19:30,230 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-10-15 01:19:30,231 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2019-10-15 01:19:30,231 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2019-10-15 01:19:30,231 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-10-15 01:19:30,231 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2019-10-15 01:19:30,231 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2019-10-15 01:19:30,231 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2019-10-15 01:19:30,231 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2019-10-15 01:19:30,231 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2019-10-15 01:19:30,231 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,231 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-10-15 01:19:30,231 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2019-10-15 01:19:30,232 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-15 01:19:30,232 INFO L439 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse1 (and .cse4 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4))))) [2019-10-15 01:19:30,232 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2019-10-15 01:19:30,232 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-10-15 01:19:30,232 INFO L443 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2019-10-15 01:19:30,232 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2019-10-15 01:19:30,232 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2019-10-15 01:19:30,233 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,233 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2019-10-15 01:19:30,233 INFO L439 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,233 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2019-10-15 01:19:30,233 INFO L439 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,233 INFO L443 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2019-10-15 01:19:30,233 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2019-10-15 01:19:30,233 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,233 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-10-15 01:19:30,233 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L439 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,234 INFO L439 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 931) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 904 949) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 938) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 918 938) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 904 949) no Hoare annotation was computed. [2019-10-15 01:19:30,234 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 904 949) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:19:30,235 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 801 903) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 846) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L890(lines 890 897) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L851(lines 850 870) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 888) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 801 903) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 900) no Hoare annotation was computed. [2019-10-15 01:19:30,236 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 856) no Hoare annotation was computed. [2019-10-15 01:19:30,237 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 801 903) no Hoare annotation was computed. [2019-10-15 01:19:30,237 INFO L443 ceAbstractionStarter]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2019-10-15 01:19:30,237 INFO L443 ceAbstractionStarter]: For program point L871(lines 849 872) no Hoare annotation was computed. [2019-10-15 01:19:30,237 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,237 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:19:30,237 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,237 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2019-10-15 01:19:30,237 INFO L439 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:30,237 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:19:30,237 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2019-10-15 01:19:30,238 INFO L443 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2019-10-15 01:19:30,238 INFO L439 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:19:30,238 INFO L443 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2019-10-15 01:19:30,238 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2019-10-15 01:19:30,238 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2019-10-15 01:19:30,238 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2019-10-15 01:19:30,238 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2019-10-15 01:19:30,238 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2019-10-15 01:19:30,238 INFO L446 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2019-10-15 01:19:30,238 INFO L443 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2019-10-15 01:19:30,238 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2019-10-15 01:19:30,238 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-10-15 01:19:30,239 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2019-10-15 01:19:30,239 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:19:30,239 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2019-10-15 01:19:30,239 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2019-10-15 01:19:30,239 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,239 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,239 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,239 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2019-10-15 01:19:30,240 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2019-10-15 01:19:30,240 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2019-10-15 01:19:30,240 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse6 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not .cse3)) (.cse4 (and (not .cse6) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse8) (or .cse6 .cse0 .cse5 .cse1 .cse7) (or .cse3 .cse4 .cse1 .cse8 .cse5)))) [2019-10-15 01:19:30,240 INFO L439 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse6)) (.cse3 (and .cse5 .cse11 .cse10)) (.cse0 (not .cse11)) (.cse7 (not .cse1)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse4 .cse6 .cse7 .cse8) (or .cse1 (and .cse2 .cse9) .cse5 .cse4 .cse8) (or .cse0 .cse3 .cse4 (and .cse10 .cse9)) (or .cse6 .cse0 .cse5 .cse4 .cse7) (or .cse10 (and (<= 2 ~waterLevel~0) .cse9) .cse4 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-15 01:19:30,240 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse7 .cse8 .cse1) (or .cse2 .cse8 .cse0 .cse1 .cse3) (or .cse7 .cse1 .cse4) (or .cse8 .cse5 .cse1 .cse6)))) [2019-10-15 01:19:30,241 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3)) (or .cse1 .cse0 .cse4) (or (and .cse2 .cse3) .cse0 .cse4))) [2019-10-15 01:19:30,241 INFO L443 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2019-10-15 01:19:30,241 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2019-10-15 01:19:30,241 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2019-10-15 01:19:30,241 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2019-10-15 01:19:30,241 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2019-10-15 01:19:30,241 INFO L446 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2019-10-15 01:19:30,241 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-10-15 01:19:30,241 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2019-10-15 01:19:30,242 INFO L446 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2019-10-15 01:19:30,242 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-10-15 01:19:30,242 INFO L446 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2019-10-15 01:19:30,242 INFO L446 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2019-10-15 01:19:30,242 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-10-15 01:19:30,242 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2)))) [2019-10-15 01:19:30,242 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2019-10-15 01:19:30,242 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2019-10-15 01:19:30,243 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2019-10-15 01:19:30,243 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2019-10-15 01:19:30,243 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,243 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:19:30,243 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:30,243 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,243 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,243 INFO L439 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:19:30,243 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2019-10-15 01:19:30,244 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2019-10-15 01:19:30,244 INFO L439 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not .cse2) .cse0))) [2019-10-15 01:19:30,244 INFO L439 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,244 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2019-10-15 01:19:30,244 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-15 01:19:30,244 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-10-15 01:19:30,244 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2019-10-15 01:19:30,244 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2019-10-15 01:19:30,245 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2019-10-15 01:19:30,245 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse1 .cse4)) (or .cse6 (or .cse0 .cse1) .cse5) (or .cse2 .cse6 .cse0 .cse1 .cse3))) [2019-10-15 01:19:30,245 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2019-10-15 01:19:30,245 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2019-10-15 01:19:30,245 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2019-10-15 01:19:30,245 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-15 01:19:30,245 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2019-10-15 01:19:30,245 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2019-10-15 01:19:30,246 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,246 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-10-15 01:19:30,246 INFO L439 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:30,246 INFO L443 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2019-10-15 01:19:30,246 INFO L443 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2019-10-15 01:19:30,246 INFO L443 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2019-10-15 01:19:30,246 INFO L446 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2019-10-15 01:19:30,246 INFO L443 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2019-10-15 01:19:30,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:30 BoogieIcfgContainer [2019-10-15 01:19:30,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:30,263 INFO L168 Benchmark]: Toolchain (without parser) took 17721.19 ms. Allocated memory was 146.8 MB in the beginning and 482.3 MB in the end (delta: 335.5 MB). Free memory was 103.8 MB in the beginning and 226.5 MB in the end (delta: -122.7 MB). Peak memory consumption was 349.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,264 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.28 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.6 MB in the beginning and 169.6 MB in the end (delta: -66.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,265 INFO L168 Benchmark]: Boogie Preprocessor took 93.57 ms. Allocated memory is still 203.9 MB. Free memory was 169.6 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,266 INFO L168 Benchmark]: RCFGBuilder took 1272.18 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 165.7 MB in the beginning and 187.7 MB in the end (delta: -22.0 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,267 INFO L168 Benchmark]: TraceAbstraction took 15651.81 ms. Allocated memory was 232.8 MB in the beginning and 482.3 MB in the end (delta: 249.6 MB). Free memory was 187.7 MB in the beginning and 226.5 MB in the end (delta: -38.8 MB). Peak memory consumption was 347.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,270 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.28 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.6 MB in the beginning and 169.6 MB in the end (delta: -66.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.57 ms. Allocated memory is still 203.9 MB. Free memory was 169.6 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1272.18 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 165.7 MB in the beginning and 187.7 MB in the end (delta: -22.0 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15651.81 ms. Allocated memory was 232.8 MB in the beginning and 482.3 MB in the end (delta: 249.6 MB). Free memory was 187.7 MB in the beginning and 226.5 MB in the end (delta: -38.8 MB). Peak memory consumption was 347.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Result: SAFE, OverallTime: 15.5s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, HoareTripleCheckerStatistics: 2427 SDtfs, 1252 SDslu, 5919 SDs, 0 SdLazy, 2178 SolverSat, 377 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1044 GetRequests, 930 SyntacticMatches, 13 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1021occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 168 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2287 PreInvPairs, 2413 NumberOfFragments, 1762 HoareAnnotationTreeSize, 2287 FomulaSimplifications, 4019 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 68 FomulaSimplificationsInter, 12009 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2051 ConstructedInterpolants, 0 QuantifiedInterpolants, 421780 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2635 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 310/330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...