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_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:44,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:44,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:44,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:44,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:44,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:44,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:44,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:44,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:44,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:44,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:44,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:44,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:44,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:44,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:44,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:44,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:44,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:44,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:44,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:44,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:44,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:44,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:44,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:44,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:44,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:44,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:44,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:44,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:44,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:44,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:44,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:44,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:44,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:44,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:44,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:44,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:44,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:44,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:44,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:44,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:44,432 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 01:19:44,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:44,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:44,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:44,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:44,448 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:44,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:44,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:44,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:44,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:44,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:44,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:44,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:44,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:44,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:44,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:44,451 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:44,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:44,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:44,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:44,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:44,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:44,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:44,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:44,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:44,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:44,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:44,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:44,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:44,454 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 01:19:44,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:44,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:44,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:44,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:44,776 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:44,777 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-10-15 01:19:44,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c50427826/78c3ece184df4484891b45bcfcdc9ed3/FLAG7578396b3 [2019-10-15 01:19:45,395 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:45,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-10-15 01:19:45,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c50427826/78c3ece184df4484891b45bcfcdc9ed3/FLAG7578396b3 [2019-10-15 01:19:45,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c50427826/78c3ece184df4484891b45bcfcdc9ed3 [2019-10-15 01:19:45,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:45,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:45,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:45,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:45,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:45,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:45" (1/1) ... [2019-10-15 01:19:45,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d0c811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:45, skipping insertion in model container [2019-10-15 01:19:45,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:45" (1/1) ... [2019-10-15 01:19:45,671 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:45,726 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:46,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:46,283 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:46,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:46,433 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:46,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46 WrapperNode [2019-10-15 01:19:46,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:46,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:46,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:46,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:46,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46" (1/1) ... [2019-10-15 01:19:46,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46" (1/1) ... [2019-10-15 01:19:46,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46" (1/1) ... [2019-10-15 01:19:46,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46" (1/1) ... [2019-10-15 01:19:46,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46" (1/1) ... [2019-10-15 01:19:46,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46" (1/1) ... [2019-10-15 01:19:46,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46" (1/1) ... [2019-10-15 01:19:46,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:46,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:46,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:46,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:46,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46" (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 01:19:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:47,745 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:47,745 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:47,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:47 BoogieIcfgContainer [2019-10-15 01:19:47,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:47,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:47,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:47,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:47,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:45" (1/3) ... [2019-10-15 01:19:47,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d64186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:47, skipping insertion in model container [2019-10-15 01:19:47,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:46" (2/3) ... [2019-10-15 01:19:47,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d64186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:47, skipping insertion in model container [2019-10-15 01:19:47,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:47" (3/3) ... [2019-10-15 01:19:47,756 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2019-10-15 01:19:47,766 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:47,775 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:47,786 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:47,811 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:47,812 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:47,812 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:47,812 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:47,812 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:47,812 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:47,813 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:47,813 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2019-10-15 01:19:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:47,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:47,846 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 01:19:47,848 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:47,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:47,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1016037874, now seen corresponding path program 1 times [2019-10-15 01:19:47,863 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:47,863 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259642493] [2019-10-15 01:19:47,864 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,864 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,230 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 01:19:48,230 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259642493] [2019-10-15 01:19:48,231 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,233 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:48,233 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239396789] [2019-10-15 01:19:48,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:48,243 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:48,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:48,260 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 2 states. [2019-10-15 01:19:48,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,326 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2019-10-15 01:19:48,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:48,328 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:19:48,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,339 INFO L225 Difference]: With dead ends: 266 [2019-10-15 01:19:48,339 INFO L226 Difference]: Without dead ends: 135 [2019-10-15 01:19:48,344 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 01:19:48,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-15 01:19:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-10-15 01:19:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-15 01:19:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2019-10-15 01:19:48,397 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 51 [2019-10-15 01:19:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,397 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2019-10-15 01:19:48,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2019-10-15 01:19:48,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:48,401 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,402 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] [2019-10-15 01:19:48,402 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2062541652, now seen corresponding path program 1 times [2019-10-15 01:19:48,403 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,403 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516674664] [2019-10-15 01:19:48,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,547 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 01:19:48,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516674664] [2019-10-15 01:19:48,547 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,547 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:48,548 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965699533] [2019-10-15 01:19:48,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:48,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:48,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:48,552 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 3 states. [2019-10-15 01:19:48,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,587 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2019-10-15 01:19:48,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:48,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:19:48,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,590 INFO L225 Difference]: With dead ends: 215 [2019-10-15 01:19:48,590 INFO L226 Difference]: Without dead ends: 126 [2019-10-15 01:19:48,592 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 01:19:48,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-15 01:19:48,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-10-15 01:19:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-15 01:19:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2019-10-15 01:19:48,612 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 52 [2019-10-15 01:19:48,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,612 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2019-10-15 01:19:48,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2019-10-15 01:19:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 01:19:48,615 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,615 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] [2019-10-15 01:19:48,615 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1086390402, now seen corresponding path program 1 times [2019-10-15 01:19:48,616 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,616 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014350267] [2019-10-15 01:19:48,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,729 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 01:19:48,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014350267] [2019-10-15 01:19:48,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:48,730 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618488083] [2019-10-15 01:19:48,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:48,731 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:48,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:48,731 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 7 states. [2019-10-15 01:19:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:49,036 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2019-10-15 01:19:49,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:49,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-15 01:19:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:49,039 INFO L225 Difference]: With dead ends: 224 [2019-10-15 01:19:49,039 INFO L226 Difference]: Without dead ends: 126 [2019-10-15 01:19:49,041 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 01:19:49,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-15 01:19:49,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-10-15 01:19:49,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-15 01:19:49,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-10-15 01:19:49,057 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 56 [2019-10-15 01:19:49,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:49,057 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-10-15 01:19:49,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-10-15 01:19:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-15 01:19:49,060 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:49,060 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 01:19:49,061 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:49,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:49,061 INFO L82 PathProgramCache]: Analyzing trace with hash -848651131, now seen corresponding path program 1 times [2019-10-15 01:19:49,062 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:49,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217497534] [2019-10-15 01:19:49,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:49,225 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 01:19:49,225 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217497534] [2019-10-15 01:19:49,225 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:49,226 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:19:49,226 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25680773] [2019-10-15 01:19:49,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:49,228 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:49,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:49,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:19:49,228 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 5 states. [2019-10-15 01:19:49,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:49,703 INFO L93 Difference]: Finished difference Result 327 states and 398 transitions. [2019-10-15 01:19:49,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:49,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-10-15 01:19:49,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:49,707 INFO L225 Difference]: With dead ends: 327 [2019-10-15 01:19:49,707 INFO L226 Difference]: Without dead ends: 229 [2019-10-15 01:19:49,709 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 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 01:19:49,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-10-15 01:19:49,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2019-10-15 01:19:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-10-15 01:19:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 243 transitions. [2019-10-15 01:19:49,735 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 243 transitions. Word has length 69 [2019-10-15 01:19:49,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:49,736 INFO L462 AbstractCegarLoop]: Abstraction has 211 states and 243 transitions. [2019-10-15 01:19:49,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 243 transitions. [2019-10-15 01:19:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 01:19:49,739 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:49,739 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 01:19:49,739 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:49,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:49,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1442987939, now seen corresponding path program 1 times [2019-10-15 01:19:49,740 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:49,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454728051] [2019-10-15 01:19:49,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:49,903 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 01:19:49,903 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454728051] [2019-10-15 01:19:49,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:49,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:49,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957764055] [2019-10-15 01:19:49,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:49,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:49,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:49,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:49,907 INFO L87 Difference]: Start difference. First operand 211 states and 243 transitions. Second operand 6 states. [2019-10-15 01:19:50,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:50,227 INFO L93 Difference]: Finished difference Result 559 states and 665 transitions. [2019-10-15 01:19:50,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:50,230 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-10-15 01:19:50,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:50,235 INFO L225 Difference]: With dead ends: 559 [2019-10-15 01:19:50,235 INFO L226 Difference]: Without dead ends: 376 [2019-10-15 01:19:50,236 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:50,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-10-15 01:19:50,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 370. [2019-10-15 01:19:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-10-15 01:19:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 426 transitions. [2019-10-15 01:19:50,300 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 426 transitions. Word has length 83 [2019-10-15 01:19:50,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:50,301 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 426 transitions. [2019-10-15 01:19:50,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 426 transitions. [2019-10-15 01:19:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:19:50,303 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:50,304 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 01:19:50,304 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:50,304 INFO L82 PathProgramCache]: Analyzing trace with hash -142547263, now seen corresponding path program 1 times [2019-10-15 01:19:50,305 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:50,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563744415] [2019-10-15 01:19:50,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,418 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 01:19:50,418 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563744415] [2019-10-15 01:19:50,418 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:50,419 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:50,419 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231077928] [2019-10-15 01:19:50,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:50,420 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:50,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:50,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:50,420 INFO L87 Difference]: Start difference. First operand 370 states and 426 transitions. Second operand 7 states. [2019-10-15 01:19:51,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,014 INFO L93 Difference]: Finished difference Result 741 states and 876 transitions. [2019-10-15 01:19:51,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:51,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-15 01:19:51,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,018 INFO L225 Difference]: With dead ends: 741 [2019-10-15 01:19:51,018 INFO L226 Difference]: Without dead ends: 399 [2019-10-15 01:19:51,019 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 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 01:19:51,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-10-15 01:19:51,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 369. [2019-10-15 01:19:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-10-15 01:19:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 423 transitions. [2019-10-15 01:19:51,046 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 423 transitions. Word has length 87 [2019-10-15 01:19:51,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,047 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 423 transitions. [2019-10-15 01:19:51,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:51,047 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 423 transitions. [2019-10-15 01:19:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:51,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:51,049 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 01:19:51,049 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:51,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:51,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1138633269, now seen corresponding path program 1 times [2019-10-15 01:19:51,050 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:51,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143466850] [2019-10-15 01:19:51,051 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,051 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,117 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 01:19:51,117 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143466850] [2019-10-15 01:19:51,117 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:51,118 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:51,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238003730] [2019-10-15 01:19:51,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:51,119 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:51,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:51,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:51,120 INFO L87 Difference]: Start difference. First operand 369 states and 423 transitions. Second operand 6 states. [2019-10-15 01:19:51,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,161 INFO L93 Difference]: Finished difference Result 724 states and 850 transitions. [2019-10-15 01:19:51,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:51,162 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-15 01:19:51,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,165 INFO L225 Difference]: With dead ends: 724 [2019-10-15 01:19:51,165 INFO L226 Difference]: Without dead ends: 383 [2019-10-15 01:19:51,166 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 01:19:51,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-10-15 01:19:51,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2019-10-15 01:19:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-10-15 01:19:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 433 transitions. [2019-10-15 01:19:51,189 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 433 transitions. Word has length 103 [2019-10-15 01:19:51,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,189 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 433 transitions. [2019-10-15 01:19:51,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 433 transitions. [2019-10-15 01:19:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:51,191 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:51,191 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 01:19:51,192 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:51,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:51,192 INFO L82 PathProgramCache]: Analyzing trace with hash 789639433, now seen corresponding path program 1 times [2019-10-15 01:19:51,192 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:51,192 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7596491] [2019-10-15 01:19:51,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,287 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 01:19:51,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7596491] [2019-10-15 01:19:51,288 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:51,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:51,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364056775] [2019-10-15 01:19:51,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:51,289 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:51,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:51,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:51,290 INFO L87 Difference]: Start difference. First operand 379 states and 433 transitions. Second operand 8 states. [2019-10-15 01:19:51,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,330 INFO L93 Difference]: Finished difference Result 744 states and 872 transitions. [2019-10-15 01:19:51,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:51,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:19:51,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,334 INFO L225 Difference]: With dead ends: 744 [2019-10-15 01:19:51,334 INFO L226 Difference]: Without dead ends: 393 [2019-10-15 01:19:51,335 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 01:19:51,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-15 01:19:51,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 387. [2019-10-15 01:19:51,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2019-10-15 01:19:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 441 transitions. [2019-10-15 01:19:51,357 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 441 transitions. Word has length 103 [2019-10-15 01:19:51,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,358 INFO L462 AbstractCegarLoop]: Abstraction has 387 states and 441 transitions. [2019-10-15 01:19:51,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 441 transitions. [2019-10-15 01:19:51,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:51,360 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:51,360 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 01:19:51,360 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:51,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:51,361 INFO L82 PathProgramCache]: Analyzing trace with hash 549099304, now seen corresponding path program 1 times [2019-10-15 01:19:51,361 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:51,361 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452373561] [2019-10-15 01:19:51,361 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,361 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,432 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 01:19:51,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452373561] [2019-10-15 01:19:51,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:51,433 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:51,433 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525872630] [2019-10-15 01:19:51,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:51,434 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:51,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:51,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:51,434 INFO L87 Difference]: Start difference. First operand 387 states and 441 transitions. Second operand 4 states. [2019-10-15 01:19:51,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,668 INFO L93 Difference]: Finished difference Result 1132 states and 1360 transitions. [2019-10-15 01:19:51,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:51,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-15 01:19:51,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,676 INFO L225 Difference]: With dead ends: 1132 [2019-10-15 01:19:51,676 INFO L226 Difference]: Without dead ends: 773 [2019-10-15 01:19:51,678 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 01:19:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-10-15 01:19:51,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 758. [2019-10-15 01:19:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2019-10-15 01:19:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 891 transitions. [2019-10-15 01:19:51,730 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 891 transitions. Word has length 103 [2019-10-15 01:19:51,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,731 INFO L462 AbstractCegarLoop]: Abstraction has 758 states and 891 transitions. [2019-10-15 01:19:51,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:51,731 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 891 transitions. [2019-10-15 01:19:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:19:51,734 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:51,734 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 01:19:51,734 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:51,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:51,734 INFO L82 PathProgramCache]: Analyzing trace with hash 290063790, now seen corresponding path program 1 times [2019-10-15 01:19:51,735 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:51,735 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381446056] [2019-10-15 01:19:51,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,891 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 01:19:51,891 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381446056] [2019-10-15 01:19:51,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324285060] [2019-10-15 01:19:51,892 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 01:19:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:52,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:52,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:52,277 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 01:19:52,277 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:53,179 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 01:19:53,179 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:53,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:53,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942705517] [2019-10-15 01:19:53,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:53,185 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:53,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:53,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:53,187 INFO L87 Difference]: Start difference. First operand 758 states and 891 transitions. Second operand 8 states. [2019-10-15 01:19:53,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:53,447 INFO L93 Difference]: Finished difference Result 1459 states and 1726 transitions. [2019-10-15 01:19:53,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:53,448 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-15 01:19:53,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:53,453 INFO L225 Difference]: With dead ends: 1459 [2019-10-15 01:19:53,453 INFO L226 Difference]: Without dead ends: 729 [2019-10-15 01:19:53,456 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 197 SyntacticMatches, 7 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 01:19:53,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2019-10-15 01:19:53,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2019-10-15 01:19:53,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-10-15 01:19:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 843 transitions. [2019-10-15 01:19:53,532 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 843 transitions. Word has length 107 [2019-10-15 01:19:53,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:53,532 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 843 transitions. [2019-10-15 01:19:53,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 843 transitions. [2019-10-15 01:19:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-15 01:19:53,543 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:53,544 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:53,749 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:53,750 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:53,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:53,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1933824326, now seen corresponding path program 1 times [2019-10-15 01:19:53,750 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:53,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141874316] [2019-10-15 01:19:53,751 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,751 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:53,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141874316] [2019-10-15 01:19:53,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328476104] [2019-10-15 01:19:53,929 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 01:19:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:54,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:54,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:54,297 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:54,837 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:54,840 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:54,840 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290117052] [2019-10-15 01:19:54,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:54,841 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:54,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:54,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:54,842 INFO L87 Difference]: Start difference. First operand 729 states and 843 transitions. Second operand 8 states. [2019-10-15 01:19:55,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:55,232 INFO L93 Difference]: Finished difference Result 1229 states and 1438 transitions. [2019-10-15 01:19:55,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:55,233 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2019-10-15 01:19:55,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:55,234 INFO L225 Difference]: With dead ends: 1229 [2019-10-15 01:19:55,234 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:55,238 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 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 01:19:55,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:55,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:55,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2019-10-15 01:19:55,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:55,240 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:55,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:55,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:55,445 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:55,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:56,552 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-10-15 01:19:57,086 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2019-10-15 01:19:57,362 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2019-10-15 01:19:58,267 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2019-10-15 01:19:59,047 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:19:59,047 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:19:59,047 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-15 01:19:59,047 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-15 01:19:59,047 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-15 01:19:59,048 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:19:59,049 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-15 01:19:59,049 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:19:59,049 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-15 01:19:59,049 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2019-10-15 01:19:59,049 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2019-10-15 01:19:59,049 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2019-10-15 01:19:59,049 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2019-10-15 01:19:59,049 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2019-10-15 01:19:59,050 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,050 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,050 INFO L439 ceAbstractionStarter]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,050 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 514) no Hoare annotation was computed. [2019-10-15 01:19:59,050 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2019-10-15 01:19:59,051 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-15 01:19:59,051 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2019-10-15 01:19:59,051 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,051 INFO L439 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,051 INFO L439 ceAbstractionStarter]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,052 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2019-10-15 01:19:59,052 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2019-10-15 01:19:59,052 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2019-10-15 01:19:59,052 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2019-10-15 01:19:59,052 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-10-15 01:19:59,052 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-15 01:19:59,052 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-15 01:19:59,053 INFO L443 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2019-10-15 01:19:59,053 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-15 01:19:59,053 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-15 01:19:59,053 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-10-15 01:19:59,053 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-15 01:19:59,053 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-15 01:19:59,053 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-15 01:19:59,053 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-15 01:19:59,053 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-15 01:19:59,054 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-15 01:19:59,054 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-15 01:19:59,054 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~waterLevel~0)) .cse2)))) [2019-10-15 01:19:59,054 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2019-10-15 01:19:59,054 INFO L439 ceAbstractionStarter]: At program point L570(line 570) 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 01:19:59,054 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-10-15 01:19:59,055 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2019-10-15 01:19:59,055 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) 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 .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:59,055 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2019-10-15 01:19:59,055 INFO L439 ceAbstractionStarter]: At program point L583(line 583) 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 .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:59,055 INFO L443 ceAbstractionStarter]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2019-10-15 01:19:59,055 INFO L439 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 0) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3 .cse0) (or .cse3 .cse0 .cse1))) [2019-10-15 01:19:59,056 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2019-10-15 01:19:59,056 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2019-10-15 01:19:59,056 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2019-10-15 01:19:59,056 INFO L443 ceAbstractionStarter]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2019-10-15 01:19:59,056 INFO L443 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2019-10-15 01:19:59,056 INFO L443 ceAbstractionStarter]: For program point L698-1(line 698) no Hoare annotation was computed. [2019-10-15 01:19:59,056 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2019-10-15 01:19:59,057 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 668 703) no Hoare annotation was computed. [2019-10-15 01:19:59,057 INFO L443 ceAbstractionStarter]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2019-10-15 01:19:59,057 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 668 703) no Hoare annotation was computed. [2019-10-15 01:19:59,057 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2019-10-15 01:19:59,057 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 668 703) no Hoare annotation was computed. [2019-10-15 01:19:59,057 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2019-10-15 01:19:59,058 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2019-10-15 01:19:59,058 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:19:59,058 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:19:59,058 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:19:59,058 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-15 01:19:59,058 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:19:59,058 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:19:59,059 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:19:59,059 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:19:59,059 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:19:59,059 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,059 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2019-10-15 01:19:59,060 INFO L439 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,060 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2019-10-15 01:19:59,060 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2019-10-15 01:19:59,060 INFO L446 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2019-10-15 01:19:59,060 INFO L443 ceAbstractionStarter]: For program point L653-1(line 653) no Hoare annotation was computed. [2019-10-15 01:19:59,060 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2019-10-15 01:19:59,060 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2019-10-15 01:19:59,061 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2019-10-15 01:19:59,061 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2019-10-15 01:19:59,061 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2019-10-15 01:19:59,061 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-10-15 01:19:59,061 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2019-10-15 01:19:59,061 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2019-10-15 01:19:59,062 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2019-10-15 01:19:59,062 INFO L439 ceAbstractionStarter]: At program point L609(line 609) 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 01:19:59,062 INFO L443 ceAbstractionStarter]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2019-10-15 01:19:59,062 INFO L439 ceAbstractionStarter]: At program point L604(line 604) 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 .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:59,062 INFO L439 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse2 .cse4) (or .cse3 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse4) .cse1))) [2019-10-15 01:19:59,063 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2019-10-15 01:19:59,063 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 606) no Hoare annotation was computed. [2019-10-15 01:19:59,063 INFO L439 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse4 .cse2))) [2019-10-15 01:19:59,063 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-15 01:19:59,063 INFO L443 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2019-10-15 01:19:59,064 INFO L443 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2019-10-15 01:19:59,064 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2019-10-15 01:19:59,064 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2019-10-15 01:19:59,064 INFO L439 ceAbstractionStarter]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:59,064 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,064 INFO L443 ceAbstractionStarter]: For program point L735(lines 734 779) no Hoare annotation was computed. [2019-10-15 01:19:59,065 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 775) no Hoare annotation was computed. [2019-10-15 01:19:59,065 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2019-10-15 01:19:59,065 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:59,065 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 760) no Hoare annotation was computed. [2019-10-15 01:19:59,065 INFO L443 ceAbstractionStarter]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2019-10-15 01:19:59,065 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:59,066 INFO L439 ceAbstractionStarter]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:59,066 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 750) no Hoare annotation was computed. [2019-10-15 01:19:59,066 INFO L443 ceAbstractionStarter]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2019-10-15 01:19:59,066 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2019-10-15 01:19:59,066 INFO L439 ceAbstractionStarter]: At program point L780(lines 733 781) 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 01:19:59,066 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2019-10-15 01:19:59,067 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 774) no Hoare annotation was computed. [2019-10-15 01:19:59,067 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:19:59,067 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:19:59,067 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:19:59,067 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-15 01:19:59,067 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:19:59,067 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:19:59,068 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-15 01:19:59,068 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2019-10-15 01:19:59,068 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2019-10-15 01:19:59,068 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: true [2019-10-15 01:19:59,068 INFO L439 ceAbstractionStarter]: At program point L943(line 943) 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 01:19:59,068 INFO L443 ceAbstractionStarter]: For program point L941(lines 941 947) no Hoare annotation was computed. [2019-10-15 01:19:59,069 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 950) no Hoare annotation was computed. [2019-10-15 01:19:59,069 INFO L439 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:59,069 INFO L443 ceAbstractionStarter]: For program point L938-1(line 938) no Hoare annotation was computed. [2019-10-15 01:19:59,069 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 953) no Hoare annotation was computed. [2019-10-15 01:19:59,069 INFO L443 ceAbstractionStarter]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2019-10-15 01:19:59,069 INFO L446 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2019-10-15 01:19:59,069 INFO L443 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2019-10-15 01:19:59,070 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2019-10-15 01:19:59,070 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: true [2019-10-15 01:19:59,070 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2019-10-15 01:19:59,070 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2019-10-15 01:19:59,070 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 853) no Hoare annotation was computed. [2019-10-15 01:19:59,070 INFO L443 ceAbstractionStarter]: For program point L845-2(lines 845 853) no Hoare annotation was computed. [2019-10-15 01:19:59,070 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 837 859) no Hoare annotation was computed. [2019-10-15 01:19:59,071 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 837 859) no Hoare annotation was computed. [2019-10-15 01:19:59,071 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 837 859) no Hoare annotation was computed. [2019-10-15 01:19:59,071 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-15 01:19:59,071 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:19:59,071 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 01:19:59,071 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-15 01:19:59,071 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:19:59,072 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-15 01:19:59,072 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:19:59,072 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-15 01:19:59,072 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:19:59,072 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:19:59,072 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:19:59,072 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-15 01:19:59,073 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-15 01:19:59,073 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:19:59,073 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-15 01:19:59,073 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-15 01:19:59,073 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2019-10-15 01:19:59,073 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2019-10-15 01:19:59,073 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2019-10-15 01:19:59,074 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,074 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:19:59,074 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,074 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2019-10-15 01:19:59,074 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:59,074 INFO L443 ceAbstractionStarter]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2019-10-15 01:19:59,075 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-15 01:19:59,075 INFO L443 ceAbstractionStarter]: For program point L630(lines 630 636) no Hoare annotation was computed. [2019-10-15 01:19:59,075 INFO L439 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-15 01:19:59,075 INFO L443 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2019-10-15 01:19:59,075 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2019-10-15 01:19:59,075 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2019-10-15 01:19:59,076 INFO L446 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2019-10-15 01:19:59,076 INFO L443 ceAbstractionStarter]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2019-10-15 01:19:59,076 INFO L443 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2019-10-15 01:19:59,076 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2019-10-15 01:19:59,076 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2019-10-15 01:19:59,076 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 860 868) no Hoare annotation was computed. [2019-10-15 01:19:59,076 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 860 868) no Hoare annotation was computed. [2019-10-15 01:19:59,077 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 860 868) no Hoare annotation was computed. [2019-10-15 01:19:59,077 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,077 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,077 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,077 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 816 827) 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 01:19:59,077 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2019-10-15 01:19:59,077 INFO L443 ceAbstractionStarter]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2019-10-15 01:19:59,078 INFO L439 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse7)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse4 .cse5) (or .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse2 .cse4 .cse8) (or .cse6 .cse0 .cse2 .cse1 .cse3) (or .cse6 .cse7 .cse8 .cse2 .cse0)))) [2019-10-15 01:19:59,078 INFO L439 ceAbstractionStarter]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse9 (not .cse11)) (.cse13 (= 1 ~systemActive~0)) (.cse14 (= 0 ~methaneLevelCritical~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse16 (= ~pumpRunning~0 0))) (let ((.cse8 (and .cse10 .cse17 .cse16)) (.cse7 (not .cse17)) (.cse12 (not .cse0)) (.cse6 (and .cse15 .cse16)) (.cse1 (and .cse10 .cse16)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse13 .cse10 .cse14 .cse15)) (.cse5 (and .cse13 .cse14 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse2) (or .cse7 .cse0 .cse8 .cse9 .cse2) (or .cse10 .cse11 .cse2 .cse12 .cse3) (or .cse7 .cse10 .cse2 .cse11 .cse12) (or .cse6 .cse1 .cse2 .cse3 .cse4 .cse5))))) [2019-10-15 01:19:59,078 INFO L439 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse2)))) [2019-10-15 01:19:59,078 INFO L443 ceAbstractionStarter]: For program point L536(lines 535 554) no Hoare annotation was computed. [2019-10-15 01:19:59,079 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or .cse8 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse3) (or .cse0 .cse4 .cse3 .cse5 .cse6)))) [2019-10-15 01:19:59,079 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2019-10-15 01:19:59,079 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2019-10-15 01:19:59,079 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2019-10-15 01:19:59,079 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2019-10-15 01:19:59,079 INFO L446 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2019-10-15 01:19:59,080 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-15 01:19:59,080 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-10-15 01:19:59,080 INFO L446 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2019-10-15 01:19:59,080 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-15 01:19:59,080 INFO L446 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2019-10-15 01:19:59,080 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-15 01:19:59,081 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-15 01:19:59,081 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2019-10-15 01:19:59,081 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2019-10-15 01:19:59,081 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2019-10-15 01:19:59,081 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: true [2019-10-15 01:19:59,081 INFO L443 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2019-10-15 01:19:59,081 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2019-10-15 01:19:59,082 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2019-10-15 01:19:59,082 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2019-10-15 01:19:59,082 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,082 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 01:19:59,082 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:59,082 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,082 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2019-10-15 01:19:59,082 INFO L443 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2019-10-15 01:19:59,083 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1 .cse3))) [2019-10-15 01:19:59,083 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2019-10-15 01:19:59,083 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-10-15 01:19:59,083 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2019-10-15 01:19:59,083 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2019-10-15 01:19:59,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:59 BoogieIcfgContainer [2019-10-15 01:19:59,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:59,099 INFO L168 Benchmark]: Toolchain (without parser) took 13444.29 ms. Allocated memory was 138.9 MB in the beginning and 420.5 MB in the end (delta: 281.5 MB). Free memory was 103.6 MB in the beginning and 93.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 294.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,100 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.89 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 170.0 MB in the end (delta: -66.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,101 INFO L168 Benchmark]: Boogie Preprocessor took 89.49 ms. Allocated memory is still 202.9 MB. Free memory was 170.0 MB in the beginning and 164.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,102 INFO L168 Benchmark]: RCFGBuilder took 1222.51 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.0 MB in the beginning and 193.3 MB in the end (delta: -29.3 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,103 INFO L168 Benchmark]: TraceAbstraction took 11348.46 ms. Allocated memory was 236.5 MB in the beginning and 420.5 MB in the end (delta: 184.0 MB). Free memory was 193.3 MB in the beginning and 93.6 MB in the end (delta: 99.7 MB). Peak memory consumption was 286.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,107 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 778.89 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 170.0 MB in the end (delta: -66.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.49 ms. Allocated memory is still 202.9 MB. Free memory was 170.0 MB in the beginning and 164.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1222.51 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.0 MB in the beginning and 193.3 MB in the end (delta: -29.3 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11348.46 ms. Allocated memory was 236.5 MB in the beginning and 420.5 MB in the end (delta: 184.0 MB). Free memory was 193.3 MB in the beginning and 93.6 MB in the end (delta: 99.7 MB). Peak memory consumption was 286.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Result: SAFE, OverallTime: 11.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, HoareTripleCheckerStatistics: 1936 SDtfs, 953 SDslu, 4577 SDs, 0 SdLazy, 1500 SolverSat, 247 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 645 GetRequests, 541 SyntacticMatches, 12 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=758occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1654 PreInvPairs, 1742 NumberOfFragments, 1566 HoareAnnotationTreeSize, 1654 FomulaSimplifications, 1582 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6251 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1237 NumberOfCodeBlocks, 1237 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1487 ConstructedInterpolants, 0 QuantifiedInterpolants, 257640 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1718 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 154/162 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...