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_spec3_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:23,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:23,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:23,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:23,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:23,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:23,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:23,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:23,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:23,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:23,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:23,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:23,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:23,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:23,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:23,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:23,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:23,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:23,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:23,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:23,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:23,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:23,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:23,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:23,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:23,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:23,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:23,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:23,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:23,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:23,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:23,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:23,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:23,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:23,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:23,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:23,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:23,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:23,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:23,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:23,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:23,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:23,130 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:23,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:23,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:23,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:23,132 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:23,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:23,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:23,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:23,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:23,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:23,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:23,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:23,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:23,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:23,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:23,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:23,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:23,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:23,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:23,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:23,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:23,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:23,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:23,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:23,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:23,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:23,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:23,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:23,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:23,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:23,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:23,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:23,453 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:23,454 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:23,454 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-10-13 21:21:23,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d44c76c4/d26121101d3d41f79e4b2a73bf2d5fd1/FLAG70bb0b18e [2019-10-13 21:21:24,142 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:24,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-10-13 21:21:24,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d44c76c4/d26121101d3d41f79e4b2a73bf2d5fd1/FLAG70bb0b18e [2019-10-13 21:21:24,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d44c76c4/d26121101d3d41f79e4b2a73bf2d5fd1 [2019-10-13 21:21:24,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:24,455 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:24,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:24,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:24,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:24,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:24" (1/1) ... [2019-10-13 21:21:24,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:24, skipping insertion in model container [2019-10-13 21:21:24,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:24" (1/1) ... [2019-10-13 21:21:24,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:24,548 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:24,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:25,009 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:25,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:25,205 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:25,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25 WrapperNode [2019-10-13 21:21:25,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:25,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:25,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:25,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:25,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25" (1/1) ... [2019-10-13 21:21:25,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25" (1/1) ... [2019-10-13 21:21:25,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25" (1/1) ... [2019-10-13 21:21:25,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25" (1/1) ... [2019-10-13 21:21:25,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25" (1/1) ... [2019-10-13 21:21:25,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25" (1/1) ... [2019-10-13 21:21:25,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25" (1/1) ... [2019-10-13 21:21:25,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:25,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:25,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:25,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:25,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:26,711 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:26,711 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:26,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:26 BoogieIcfgContainer [2019-10-13 21:21:26,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:26,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:26,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:26,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:26,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:24" (1/3) ... [2019-10-13 21:21:26,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4091c011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:26, skipping insertion in model container [2019-10-13 21:21:26,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:25" (2/3) ... [2019-10-13 21:21:26,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4091c011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:26, skipping insertion in model container [2019-10-13 21:21:26,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:26" (3/3) ... [2019-10-13 21:21:26,724 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2019-10-13 21:21:26,734 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:26,747 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:26,759 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:26,790 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:26,790 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:26,790 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:26,791 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:26,791 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:26,791 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:26,791 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:26,791 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2019-10-13 21:21:26,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:26,826 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:26,827 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] [2019-10-13 21:21:26,830 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:26,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:26,836 INFO L82 PathProgramCache]: Analyzing trace with hash 291336746, now seen corresponding path program 1 times [2019-10-13 21:21:26,846 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:26,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686682206] [2019-10-13 21:21:26,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:26,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:26,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:27,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686682206] [2019-10-13 21:21:27,213 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:27,213 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:27,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286304763] [2019-10-13 21:21:27,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:27,220 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:27,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:27,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:27,238 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 2 states. [2019-10-13 21:21:27,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:27,284 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2019-10-13 21:21:27,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:27,286 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 21:21:27,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:27,300 INFO L225 Difference]: With dead ends: 276 [2019-10-13 21:21:27,300 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 21:21:27,305 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:27,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 21:21:27,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-10-13 21:21:27,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-13 21:21:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2019-10-13 21:21:27,366 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 52 [2019-10-13 21:21:27,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:27,367 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2019-10-13 21:21:27,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:27,367 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2019-10-13 21:21:27,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 21:21:27,372 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:27,372 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] [2019-10-13 21:21:27,372 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:27,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:27,373 INFO L82 PathProgramCache]: Analyzing trace with hash -951540010, now seen corresponding path program 1 times [2019-10-13 21:21:27,373 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:27,374 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432750023] [2019-10-13 21:21:27,374 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,374 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:27,497 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432750023] [2019-10-13 21:21:27,498 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:27,498 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:27,498 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822604055] [2019-10-13 21:21:27,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:27,500 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:27,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:27,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:27,501 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2019-10-13 21:21:27,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:27,525 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2019-10-13 21:21:27,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:27,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 21:21:27,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:27,528 INFO L225 Difference]: With dead ends: 221 [2019-10-13 21:21:27,529 INFO L226 Difference]: Without dead ends: 129 [2019-10-13 21:21:27,530 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:27,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-13 21:21:27,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-13 21:21:27,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-13 21:21:27,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2019-10-13 21:21:27,546 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 53 [2019-10-13 21:21:27,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:27,546 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2019-10-13 21:21:27,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:27,547 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2019-10-13 21:21:27,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 21:21:27,549 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:27,550 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] [2019-10-13 21:21:27,550 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:27,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:27,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1718267444, now seen corresponding path program 1 times [2019-10-13 21:21:27,551 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:27,551 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991592831] [2019-10-13 21:21:27,551 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,551 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:27,771 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991592831] [2019-10-13 21:21:27,771 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:27,771 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:27,771 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931673296] [2019-10-13 21:21:27,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:27,773 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:27,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:27,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:27,773 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2019-10-13 21:21:28,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:28,208 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2019-10-13 21:21:28,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:28,209 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-13 21:21:28,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:28,211 INFO L225 Difference]: With dead ends: 234 [2019-10-13 21:21:28,211 INFO L226 Difference]: Without dead ends: 129 [2019-10-13 21:21:28,212 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-13 21:21:28,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-13 21:21:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-13 21:21:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2019-10-13 21:21:28,228 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 58 [2019-10-13 21:21:28,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:28,228 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2019-10-13 21:21:28,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2019-10-13 21:21:28,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-13 21:21:28,232 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:28,232 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] [2019-10-13 21:21:28,232 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:28,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:28,233 INFO L82 PathProgramCache]: Analyzing trace with hash -625773272, now seen corresponding path program 1 times [2019-10-13 21:21:28,233 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:28,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852193220] [2019-10-13 21:21:28,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:28,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852193220] [2019-10-13 21:21:28,370 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:28,370 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:28,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139105619] [2019-10-13 21:21:28,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:28,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:28,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:28,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:28,372 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand 5 states. [2019-10-13 21:21:28,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:28,924 INFO L93 Difference]: Finished difference Result 345 states and 413 transitions. [2019-10-13 21:21:28,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:28,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-10-13 21:21:28,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:28,931 INFO L225 Difference]: With dead ends: 345 [2019-10-13 21:21:28,932 INFO L226 Difference]: Without dead ends: 240 [2019-10-13 21:21:28,935 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 [2019-10-13 21:21:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-10-13 21:21:28,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2019-10-13 21:21:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-13 21:21:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2019-10-13 21:21:28,999 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 71 [2019-10-13 21:21:29,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:29,000 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2019-10-13 21:21:29,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2019-10-13 21:21:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-13 21:21:29,007 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:29,009 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] [2019-10-13 21:21:29,009 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:29,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:29,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1888633043, now seen corresponding path program 1 times [2019-10-13 21:21:29,010 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:29,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677798332] [2019-10-13 21:21:29,014 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,014 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:29,152 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677798332] [2019-10-13 21:21:29,152 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:29,152 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:29,152 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947141273] [2019-10-13 21:21:29,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:29,154 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:29,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:29,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:29,156 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand 6 states. [2019-10-13 21:21:29,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:29,375 INFO L93 Difference]: Finished difference Result 538 states and 643 transitions. [2019-10-13 21:21:29,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:29,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2019-10-13 21:21:29,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:29,380 INFO L225 Difference]: With dead ends: 538 [2019-10-13 21:21:29,380 INFO L226 Difference]: Without dead ends: 341 [2019-10-13 21:21:29,382 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:29,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-10-13 21:21:29,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2019-10-13 21:21:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2019-10-13 21:21:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 389 transitions. [2019-10-13 21:21:29,409 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 389 transitions. Word has length 85 [2019-10-13 21:21:29,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:29,410 INFO L462 AbstractCegarLoop]: Abstraction has 337 states and 389 transitions. [2019-10-13 21:21:29,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 389 transitions. [2019-10-13 21:21:29,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:21:29,412 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:29,412 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, 1, 1] [2019-10-13 21:21:29,413 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:29,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:29,413 INFO L82 PathProgramCache]: Analyzing trace with hash 408582233, now seen corresponding path program 1 times [2019-10-13 21:21:29,413 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:29,414 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427149132] [2019-10-13 21:21:29,414 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,414 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:29,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427149132] [2019-10-13 21:21:29,575 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:29,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:29,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99309059] [2019-10-13 21:21:29,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:29,576 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:29,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:29,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:29,577 INFO L87 Difference]: Start difference. First operand 337 states and 389 transitions. Second operand 6 states. [2019-10-13 21:21:29,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:29,812 INFO L93 Difference]: Finished difference Result 726 states and 872 transitions. [2019-10-13 21:21:29,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:29,813 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-10-13 21:21:29,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:29,822 INFO L225 Difference]: With dead ends: 726 [2019-10-13 21:21:29,822 INFO L226 Difference]: Without dead ends: 529 [2019-10-13 21:21:29,824 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:29,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-10-13 21:21:29,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 511. [2019-10-13 21:21:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2019-10-13 21:21:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 603 transitions. [2019-10-13 21:21:29,883 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 603 transitions. Word has length 89 [2019-10-13 21:21:29,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:29,884 INFO L462 AbstractCegarLoop]: Abstraction has 511 states and 603 transitions. [2019-10-13 21:21:29,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 603 transitions. [2019-10-13 21:21:29,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:21:29,892 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:29,892 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, 1, 1] [2019-10-13 21:21:29,893 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:29,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:29,893 INFO L82 PathProgramCache]: Analyzing trace with hash -514101350, now seen corresponding path program 1 times [2019-10-13 21:21:29,894 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:29,894 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365140666] [2019-10-13 21:21:29,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:29,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365140666] [2019-10-13 21:21:29,982 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:29,982 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:29,982 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220813957] [2019-10-13 21:21:29,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:29,984 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:29,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:29,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:30,006 INFO L87 Difference]: Start difference. First operand 511 states and 603 transitions. Second operand 5 states. [2019-10-13 21:21:30,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,044 INFO L93 Difference]: Finished difference Result 892 states and 1074 transitions. [2019-10-13 21:21:30,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:30,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-10-13 21:21:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,049 INFO L225 Difference]: With dead ends: 892 [2019-10-13 21:21:30,049 INFO L226 Difference]: Without dead ends: 521 [2019-10-13 21:21:30,051 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:30,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-10-13 21:21:30,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2019-10-13 21:21:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-10-13 21:21:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2019-10-13 21:21:30,083 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 89 [2019-10-13 21:21:30,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,084 INFO L462 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2019-10-13 21:21:30,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2019-10-13 21:21:30,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:21:30,086 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,086 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, 1, 1] [2019-10-13 21:21:30,087 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1358106852, now seen corresponding path program 1 times [2019-10-13 21:21:30,088 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399382644] [2019-10-13 21:21:30,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:30,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399382644] [2019-10-13 21:21:30,193 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:21:30,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953218549] [2019-10-13 21:21:30,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:30,195 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:30,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:30,196 INFO L87 Difference]: Start difference. First operand 515 states and 606 transitions. Second operand 9 states. [2019-10-13 21:21:30,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,269 INFO L93 Difference]: Finished difference Result 1012 states and 1214 transitions. [2019-10-13 21:21:30,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:30,269 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2019-10-13 21:21:30,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,274 INFO L225 Difference]: With dead ends: 1012 [2019-10-13 21:21:30,274 INFO L226 Difference]: Without dead ends: 521 [2019-10-13 21:21:30,277 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:30,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-10-13 21:21:30,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2019-10-13 21:21:30,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-10-13 21:21:30,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 604 transitions. [2019-10-13 21:21:30,314 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 604 transitions. Word has length 89 [2019-10-13 21:21:30,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,314 INFO L462 AbstractCegarLoop]: Abstraction has 515 states and 604 transitions. [2019-10-13 21:21:30,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2019-10-13 21:21:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-13 21:21:30,317 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,318 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, 1, 1, 1] [2019-10-13 21:21:30,318 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,319 INFO L82 PathProgramCache]: Analyzing trace with hash -967187523, now seen corresponding path program 1 times [2019-10-13 21:21:30,319 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039120829] [2019-10-13 21:21:30,319 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,320 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:30,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039120829] [2019-10-13 21:21:30,454 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,454 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:30,454 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162063502] [2019-10-13 21:21:30,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:30,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:30,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:30,456 INFO L87 Difference]: Start difference. First operand 515 states and 604 transitions. Second operand 10 states. [2019-10-13 21:21:30,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,672 INFO L93 Difference]: Finished difference Result 1012 states and 1190 transitions. [2019-10-13 21:21:30,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:30,673 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2019-10-13 21:21:30,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,677 INFO L225 Difference]: With dead ends: 1012 [2019-10-13 21:21:30,677 INFO L226 Difference]: Without dead ends: 521 [2019-10-13 21:21:30,679 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:30,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-10-13 21:21:30,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 500. [2019-10-13 21:21:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-10-13 21:21:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 569 transitions. [2019-10-13 21:21:30,709 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 569 transitions. Word has length 90 [2019-10-13 21:21:30,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,709 INFO L462 AbstractCegarLoop]: Abstraction has 500 states and 569 transitions. [2019-10-13 21:21:30,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 569 transitions. [2019-10-13 21:21:30,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-13 21:21:30,713 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,713 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:21:30,713 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,714 INFO L82 PathProgramCache]: Analyzing trace with hash 890937388, now seen corresponding path program 1 times [2019-10-13 21:21:30,714 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287792007] [2019-10-13 21:21:30,714 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,715 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:21:30,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287792007] [2019-10-13 21:21:30,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724732363] [2019-10-13 21:21:30,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:31,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-13 21:21:31,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:31,170 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:31,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 21:21:31,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:31,548 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-10-13 21:21:31,548 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130792936] [2019-10-13 21:21:31,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:31,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:31,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:31,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-10-13 21:21:31,550 INFO L87 Difference]: Start difference. First operand 500 states and 569 transitions. Second operand 8 states. [2019-10-13 21:21:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:32,837 INFO L93 Difference]: Finished difference Result 1331 states and 1624 transitions. [2019-10-13 21:21:32,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:21:32,837 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2019-10-13 21:21:32,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:32,845 INFO L225 Difference]: With dead ends: 1331 [2019-10-13 21:21:32,846 INFO L226 Difference]: Without dead ends: 976 [2019-10-13 21:21:32,848 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 269 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-10-13 21:21:32,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2019-10-13 21:21:32,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 885. [2019-10-13 21:21:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2019-10-13 21:21:32,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1029 transitions. [2019-10-13 21:21:32,911 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1029 transitions. Word has length 140 [2019-10-13 21:21:32,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:32,912 INFO L462 AbstractCegarLoop]: Abstraction has 885 states and 1029 transitions. [2019-10-13 21:21:32,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1029 transitions. [2019-10-13 21:21:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 21:21:32,915 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:32,915 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:21:33,127 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:33,128 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:33,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:33,129 INFO L82 PathProgramCache]: Analyzing trace with hash 425159026, now seen corresponding path program 1 times [2019-10-13 21:21:33,129 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:33,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299333765] [2019-10-13 21:21:33,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:33,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:33,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:33,240 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:21:33,240 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299333765] [2019-10-13 21:21:33,240 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918860328] [2019-10-13 21:21:33,241 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 [2019-10-13 21:21:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:33,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-13 21:21:33,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:21:33,611 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:33,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:33,831 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:21:33,919 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:33,919 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-10-13 21:21:33,919 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104962748] [2019-10-13 21:21:33,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:33,920 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:33,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:33,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:33,921 INFO L87 Difference]: Start difference. First operand 885 states and 1029 transitions. Second operand 9 states. [2019-10-13 21:21:34,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:34,319 INFO L93 Difference]: Finished difference Result 1679 states and 2006 transitions. [2019-10-13 21:21:34,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:34,319 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2019-10-13 21:21:34,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:34,320 INFO L225 Difference]: With dead ends: 1679 [2019-10-13 21:21:34,320 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:34,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-10-13 21:21:34,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:34,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:34,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:34,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2019-10-13 21:21:34,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:34,326 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:34,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:34,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:34,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:34,536 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:34,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:35,244 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2019-10-13 21:21:35,767 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2019-10-13 21:21:36,148 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2019-10-13 21:21:36,301 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2019-10-13 21:21:36,727 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-13 21:21:36,896 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2019-10-13 21:21:37,280 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2019-10-13 21:21:37,578 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2019-10-13 21:21:37,701 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-10-13 21:21:37,974 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-10-13 21:21:38,374 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2019-10-13 21:21:38,715 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-10-13 21:21:39,063 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2019-10-13 21:21:39,080 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:21:39,081 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:21:39,082 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:21:39,082 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:21:39,082 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:21:39,082 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:21:39,082 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:21:39,082 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2019-10-13 21:21:39,082 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2019-10-13 21:21:39,082 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2019-10-13 21:21:39,082 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2019-10-13 21:21:39,082 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2019-10-13 21:21:39,083 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2019-10-13 21:21:39,083 INFO L443 ceAbstractionStarter]: For program point L641-1(lines 641 648) no Hoare annotation was computed. [2019-10-13 21:21:39,083 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-10-13 21:21:39,083 INFO L439 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,083 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 631 653) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,083 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,084 INFO L439 ceAbstractionStarter]: At program point L637-1(line 637) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,084 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 631 653) no Hoare annotation was computed. [2019-10-13 21:21:39,084 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 631 653) no Hoare annotation was computed. [2019-10-13 21:21:39,084 INFO L439 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,084 INFO L439 ceAbstractionStarter]: At program point L643-1(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,084 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 586 609) no Hoare annotation was computed. [2019-10-13 21:21:39,084 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 586 609) no Hoare annotation was computed. [2019-10-13 21:21:39,084 INFO L443 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2019-10-13 21:21:39,084 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 586 609) no Hoare annotation was computed. [2019-10-13 21:21:39,084 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-10-13 21:21:39,085 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-10-13 21:21:39,085 INFO L443 ceAbstractionStarter]: For program point L601(line 601) no Hoare annotation was computed. [2019-10-13 21:21:39,085 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-10-13 21:21:39,085 INFO L443 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2019-10-13 21:21:39,085 INFO L443 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2019-10-13 21:21:39,085 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-10-13 21:21:39,085 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-10-13 21:21:39,085 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-13 21:21:39,085 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-10-13 21:21:39,086 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-13 21:21:39,086 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-13 21:21:39,086 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-10-13 21:21:39,086 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 882 890) no Hoare annotation was computed. [2019-10-13 21:21:39,086 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 882 890) the Hoare annotation is: true [2019-10-13 21:21:39,086 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 882 890) no Hoare annotation was computed. [2019-10-13 21:21:39,086 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 959) no Hoare annotation was computed. [2019-10-13 21:21:39,086 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 946 964) the Hoare annotation is: true [2019-10-13 21:21:39,087 INFO L446 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: true [2019-10-13 21:21:39,087 INFO L443 ceAbstractionStarter]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2019-10-13 21:21:39,087 INFO L443 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-10-13 21:21:39,087 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 946 964) no Hoare annotation was computed. [2019-10-13 21:21:39,087 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 946 964) no Hoare annotation was computed. [2019-10-13 21:21:39,087 INFO L443 ceAbstractionStarter]: For program point L898-2(lines 898 906) no Hoare annotation was computed. [2019-10-13 21:21:39,087 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-13 21:21:39,087 INFO L443 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2019-10-13 21:21:39,088 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 891 926) no Hoare annotation was computed. [2019-10-13 21:21:39,088 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 918) no Hoare annotation was computed. [2019-10-13 21:21:39,088 INFO L443 ceAbstractionStarter]: For program point L910-2(lines 910 918) no Hoare annotation was computed. [2019-10-13 21:21:39,088 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 891 926) no Hoare annotation was computed. [2019-10-13 21:21:39,088 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 891 926) no Hoare annotation was computed. [2019-10-13 21:21:39,088 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 906) no Hoare annotation was computed. [2019-10-13 21:21:39,088 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2019-10-13 21:21:39,088 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2019-10-13 21:21:39,089 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:21:39,089 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:21:39,089 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:21:39,089 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:21:39,089 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:21:39,089 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:21:39,089 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:21:39,089 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:21:39,090 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:21:39,090 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 618 627) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,090 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 618 627) no Hoare annotation was computed. [2019-10-13 21:21:39,090 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 618 627) no Hoare annotation was computed. [2019-10-13 21:21:39,090 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 871 881) no Hoare annotation was computed. [2019-10-13 21:21:39,090 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-10-13 21:21:39,090 INFO L443 ceAbstractionStarter]: For program point L876-1(line 876) no Hoare annotation was computed. [2019-10-13 21:21:39,091 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 871 881) no Hoare annotation was computed. [2019-10-13 21:21:39,091 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 871 881) no Hoare annotation was computed. [2019-10-13 21:21:39,091 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 863 870) the Hoare annotation is: (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-13 21:21:39,091 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2019-10-13 21:21:39,091 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 863 870) no Hoare annotation was computed. [2019-10-13 21:21:39,091 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 529 542) no Hoare annotation was computed. [2019-10-13 21:21:39,091 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-10-13 21:21:39,091 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 529 542) the Hoare annotation is: true [2019-10-13 21:21:39,092 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 529 542) no Hoare annotation was computed. [2019-10-13 21:21:39,092 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 830 854) no Hoare annotation was computed. [2019-10-13 21:21:39,092 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0))) [2019-10-13 21:21:39,092 INFO L439 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:21:39,092 INFO L443 ceAbstractionStarter]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2019-10-13 21:21:39,092 INFO L439 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:39,092 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:39,093 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-10-13 21:21:39,093 INFO L439 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:39,093 INFO L443 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2019-10-13 21:21:39,093 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 851) no Hoare annotation was computed. [2019-10-13 21:21:39,093 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 796 802) no Hoare annotation was computed. [2019-10-13 21:21:39,093 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 796 802) the Hoare annotation is: true [2019-10-13 21:21:39,093 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 700 765) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,094 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 700 765) no Hoare annotation was computed. [2019-10-13 21:21:39,094 INFO L439 ceAbstractionStarter]: At program point L758(lines 709 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,094 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2019-10-13 21:21:39,094 INFO L439 ceAbstractionStarter]: At program point L748-2(lines 740 753) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-13 21:21:39,094 INFO L443 ceAbstractionStarter]: For program point L711(lines 710 757) no Hoare annotation was computed. [2019-10-13 21:21:39,094 INFO L439 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-13 21:21:39,094 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 753) no Hoare annotation was computed. [2019-10-13 21:21:39,095 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-13 21:21:39,095 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-10-13 21:21:39,095 INFO L443 ceAbstractionStarter]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2019-10-13 21:21:39,095 INFO L439 ceAbstractionStarter]: At program point L755(lines 710 757) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 21:21:39,095 INFO L439 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 21:21:39,095 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2019-10-13 21:21:39,095 INFO L443 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2019-10-13 21:21:39,096 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-10-13 21:21:39,096 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 700 765) no Hoare annotation was computed. [2019-10-13 21:21:39,096 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:21:39,096 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:21:39,096 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:21:39,096 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:21:39,096 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:21:39,096 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:21:39,097 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 543 551) no Hoare annotation was computed. [2019-10-13 21:21:39,097 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 543 551) the Hoare annotation is: true [2019-10-13 21:21:39,097 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 543 551) no Hoare annotation was computed. [2019-10-13 21:21:39,097 INFO L443 ceAbstractionStarter]: For program point L505(lines 505 513) no Hoare annotation was computed. [2019-10-13 21:21:39,097 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2019-10-13 21:21:39,097 INFO L443 ceAbstractionStarter]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2019-10-13 21:21:39,097 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2019-10-13 21:21:39,097 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2019-10-13 21:21:39,097 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:21:39,098 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:21:39,098 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:21:39,098 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:21:39,098 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:21:39,098 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:21:39,098 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:21:39,098 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:21:39,098 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:21:39,098 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:21:39,099 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:21:39,099 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:21:39,099 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:21:39,099 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:21:39,099 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:21:39,099 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:21:39,099 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 656 665) no Hoare annotation was computed. [2019-10-13 21:21:39,099 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 656 665) no Hoare annotation was computed. [2019-10-13 21:21:39,100 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 656 665) no Hoare annotation was computed. [2019-10-13 21:21:39,100 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,100 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:21:39,100 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,100 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 855 862) no Hoare annotation was computed. [2019-10-13 21:21:39,100 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 855 862) no Hoare annotation was computed. [2019-10-13 21:21:39,100 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 855 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 21:21:39,100 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2019-10-13 21:21:39,101 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2019-10-13 21:21:39,101 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2019-10-13 21:21:39,101 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 927 945) no Hoare annotation was computed. [2019-10-13 21:21:39,101 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 940) no Hoare annotation was computed. [2019-10-13 21:21:39,101 INFO L446 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2019-10-13 21:21:39,101 INFO L443 ceAbstractionStarter]: For program point L936-2(lines 936 940) no Hoare annotation was computed. [2019-10-13 21:21:39,101 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 927 945) the Hoare annotation is: true [2019-10-13 21:21:39,101 INFO L443 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2019-10-13 21:21:39,101 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 927 945) no Hoare annotation was computed. [2019-10-13 21:21:39,102 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,102 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,102 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,102 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2019-10-13 21:21:39,102 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2019-10-13 21:21:39,102 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2019-10-13 21:21:39,102 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2019-10-13 21:21:39,103 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2019-10-13 21:21:39,103 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2019-10-13 21:21:39,103 INFO L439 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or .cse3 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (and .cse4 (= ~pumpRunning~0 1)) .cse3 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4)))) [2019-10-13 21:21:39,103 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 772 795) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (< ~waterLevel~0 3)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0) .cse3) .cse4) (or .cse5 .cse1 (and .cse2 (= ~pumpRunning~0 1) .cse3)) (or .cse6 .cse0 .cse4 (<= ~waterLevel~0 1)) (or .cse6 .cse5 (< ~waterLevel~0 2))))) [2019-10-13 21:21:39,103 INFO L439 ceAbstractionStarter]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (< ~waterLevel~0 2)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9 .cse10)) (.cse5 (and .cse4 .cse9 .cse10))) (and (or .cse0 .cse1 (<= 1 ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse3 (and (<= 2 ~waterLevel~0) (< ~waterLevel~0 3) .cse4) .cse1 .cse5 .cse6) (let ((.cse7 (<= ~waterLevel~0 1))) (or (and .cse7 .cse4) (and .cse7 .cse8) .cse0 .cse1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse5 .cse6)))) [2019-10-13 21:21:39,104 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 772 795) no Hoare annotation was computed. [2019-10-13 21:21:39,104 INFO L439 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (< ~waterLevel~0 2)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-10-13 21:21:39,104 INFO L443 ceAbstractionStarter]: For program point L776(lines 775 794) no Hoare annotation was computed. [2019-10-13 21:21:39,104 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 772 795) no Hoare annotation was computed. [2019-10-13 21:21:39,104 INFO L443 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2019-10-13 21:21:39,104 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2019-10-13 21:21:39,104 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 555 584) the Hoare annotation is: true [2019-10-13 21:21:39,105 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-10-13 21:21:39,105 INFO L446 ceAbstractionStarter]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2019-10-13 21:21:39,105 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-13 21:21:39,105 INFO L446 ceAbstractionStarter]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2019-10-13 21:21:39,105 INFO L446 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2019-10-13 21:21:39,105 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-13 21:21:39,105 INFO L446 ceAbstractionStarter]: At program point L580(lines 555 584) the Hoare annotation is: true [2019-10-13 21:21:39,105 INFO L446 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2019-10-13 21:21:39,106 INFO L443 ceAbstractionStarter]: For program point L417-1(line 417) no Hoare annotation was computed. [2019-10-13 21:21:39,106 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 410 442) no Hoare annotation was computed. [2019-10-13 21:21:39,106 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 410 442) the Hoare annotation is: true [2019-10-13 21:21:39,106 INFO L439 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (< ~waterLevel~0 3)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-13 21:21:39,106 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-10-13 21:21:39,106 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-13 21:21:39,106 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-10-13 21:21:39,107 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-10-13 21:21:39,107 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 410 442) no Hoare annotation was computed. [2019-10-13 21:21:39,107 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-13 21:21:39,107 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-13 21:21:39,107 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 439) no Hoare annotation was computed. [2019-10-13 21:21:39,107 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1)) (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse1) (or .cse0 .cse2 .cse1 (< ~waterLevel~0 3)))) [2019-10-13 21:21:39,107 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2019-10-13 21:21:39,108 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2019-10-13 21:21:39,108 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 610 616) no Hoare annotation was computed. [2019-10-13 21:21:39,108 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 610 616) the Hoare annotation is: true [2019-10-13 21:21:39,108 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,108 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-13 21:21:39,108 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:39,108 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,108 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 965 972) no Hoare annotation was computed. [2019-10-13 21:21:39,109 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 965 972) the Hoare annotation is: (let ((.cse1 (not (< ~waterLevel~0 3))) (.cse2 (= 1 ~systemActive~0)) (.cse0 (not (= |old(~systemActive~0)| 1)))) (and (or (or (not (= 1 ~pumpRunning~0)) .cse0) .cse1 .cse2) (or (not (= 0 ~pumpRunning~0)) .cse1 .cse2 .cse0))) [2019-10-13 21:21:39,109 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 965 972) no Hoare annotation was computed. [2019-10-13 21:21:39,109 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 804 828) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0))) [2019-10-13 21:21:39,109 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 804 828) no Hoare annotation was computed. [2019-10-13 21:21:39,109 INFO L439 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:39,109 INFO L443 ceAbstractionStarter]: For program point L823-1(lines 804 828) no Hoare annotation was computed. [2019-10-13 21:21:39,110 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (or (not (< ~waterLevel~0 2)) .cse0 .cse1)) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (< ~waterLevel~0 3)) (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 21:21:39,110 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (< ~waterLevel~0 2)) (not (< ~waterLevel~0 3)) (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse0) .cse1)) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2019-10-13 21:21:39,110 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 820) no Hoare annotation was computed. [2019-10-13 21:21:39,110 INFO L439 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:21:39,110 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-10-13 21:21:39,110 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 825) no Hoare annotation was computed. [2019-10-13 21:21:39,110 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2019-10-13 21:21:39,111 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1) (< ~waterLevel~0 2)) (or (not (< |old(~waterLevel~0)| 3)) .cse0 .cse1 (and (< ~waterLevel~0 3) .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse1 (and (<= ~waterLevel~0 1) .cse2)))) [2019-10-13 21:21:39,111 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2019-10-13 21:21:39,111 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 690 697) no Hoare annotation was computed. [2019-10-13 21:21:39,111 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2019-10-13 21:21:39,111 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 690 697) the Hoare annotation is: true [2019-10-13 21:21:39,111 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 690 697) no Hoare annotation was computed. [2019-10-13 21:21:39,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:39 BoogieIcfgContainer [2019-10-13 21:21:39,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:39,128 INFO L168 Benchmark]: Toolchain (without parser) took 14673.07 ms. Allocated memory was 138.4 MB in the beginning and 429.4 MB in the end (delta: 291.0 MB). Free memory was 102.0 MB in the beginning and 328.2 MB in the end (delta: -226.2 MB). Peak memory consumption was 307.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,129 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.93 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 168.3 MB in the end (delta: -66.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,130 INFO L168 Benchmark]: Boogie Preprocessor took 122.33 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,131 INFO L168 Benchmark]: RCFGBuilder took 1384.41 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.3 MB in the beginning and 192.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,132 INFO L168 Benchmark]: TraceAbstraction took 12410.72 ms. Allocated memory was 235.4 MB in the beginning and 429.4 MB in the end (delta: 194.0 MB). Free memory was 192.2 MB in the beginning and 328.2 MB in the end (delta: -136.0 MB). Peak memory consumption was 300.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.93 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 168.3 MB in the end (delta: -66.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.33 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1384.41 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.3 MB in the beginning and 192.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12410.72 ms. Allocated memory was 235.4 MB in the beginning and 429.4 MB in the end (delta: 194.0 MB). Free memory was 192.2 MB in the beginning and 328.2 MB in the end (delta: -136.0 MB). Peak memory consumption was 300.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: 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: 710]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1) || !(0 == \old(pumpRunning))) || (((1 == systemActive && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 12.3s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, HoareTripleCheckerStatistics: 1855 SDtfs, 1731 SDslu, 5173 SDs, 0 SdLazy, 1875 SolverSat, 662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 664 GetRequests, 565 SyntacticMatches, 8 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=885occurred in iteration=10, 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, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1664 PreInvPairs, 1785 NumberOfFragments, 1386 HoareAnnotationTreeSize, 1664 FomulaSimplifications, 3095 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 13982 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1228 NumberOfCodeBlocks, 1228 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1489 ConstructedInterpolants, 0 QuantifiedInterpolants, 281412 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1733 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 140/150 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...