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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:20:19,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:20:19,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:20:19,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:20:19,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:20:19,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:20:19,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:20:19,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:20:19,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:20:19,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:20:19,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:20:19,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:20:19,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:20:19,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:20:19,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:20:19,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:20:19,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:20:19,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:20:19,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:20:19,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:20:19,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:20:19,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:20:19,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:20:19,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:20:19,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:20:19,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:20:19,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:20:19,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:20:19,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:20:19,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:20:19,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:20:19,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:20:19,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:20:19,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:20:19,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:20:19,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:20:19,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:20:19,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:20:19,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:20:19,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:20:19,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:20:19,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:20:19,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:20:19,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:20:19,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:20:19,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:20:19,479 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:20:19,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:20:19,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:20:19,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:20:19,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:20:19,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:20:19,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:20:19,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:20:19,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:20:19,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:20:19,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:20:19,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:20:19,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:20:19,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:20:19,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:20:19,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:20:19,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:20:19,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:20:19,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:20:19,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:20:19,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:20:19,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:20:19,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:20:19,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:20:19,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:20:19,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:20:19,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:20:19,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:20:19,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:20:19,850 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:20:19,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-10-15 03:20:19,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc91661bd/6807cb310568436b8ec17bd5b20343f3/FLAG28679e127 [2019-10-15 03:20:20,441 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:20:20,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-10-15 03:20:20,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc91661bd/6807cb310568436b8ec17bd5b20343f3/FLAG28679e127 [2019-10-15 03:20:20,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc91661bd/6807cb310568436b8ec17bd5b20343f3 [2019-10-15 03:20:20,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:20:20,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:20:20,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:20:20,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:20:20,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:20:20,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:20:20" (1/1) ... [2019-10-15 03:20:20,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c168e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:20, skipping insertion in model container [2019-10-15 03:20:20,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:20:20" (1/1) ... [2019-10-15 03:20:20,803 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:20:20,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:20:21,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:20:21,299 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:20:21,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:20:21,423 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:20:21,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21 WrapperNode [2019-10-15 03:20:21,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:20:21,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:20:21,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:20:21,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:20:21,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21" (1/1) ... [2019-10-15 03:20:21,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21" (1/1) ... [2019-10-15 03:20:21,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21" (1/1) ... [2019-10-15 03:20:21,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21" (1/1) ... [2019-10-15 03:20:21,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21" (1/1) ... [2019-10-15 03:20:21,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21" (1/1) ... [2019-10-15 03:20:21,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21" (1/1) ... [2019-10-15 03:20:21,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:20:21,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:20:21,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:20:21,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:20:21,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:20:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:20:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:20:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:20:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 03:20:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 03:20:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:20:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:20:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:20:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:20:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:20:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:20:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:20:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:20:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:20:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:20:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:20:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:20:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:20:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:20:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:20:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:20:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:20:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:20:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:20:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:20:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:20:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:20:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:20:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:20:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 03:20:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:20:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:20:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:20:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:20:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:20:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 03:20:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:20:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:20:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:20:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:20:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:20:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:20:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 03:20:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:20:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:20:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:20:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:20:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:20:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:20:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 03:20:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 03:20:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:20:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:20:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:20:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:20:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:20:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:20:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:20:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:20:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:20:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:20:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:20:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:20:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:20:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:20:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:20:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:20:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:20:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:20:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:20:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:20:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:20:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:20:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:20:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:20:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:20:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:20:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:20:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:20:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:20:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:20:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:20:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:20:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:20:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:20:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:20:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 03:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:20:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 03:20:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:20:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:20:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 03:20:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:20:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:20:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:20:23,348 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:20:23,348 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:20:23,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:20:23 BoogieIcfgContainer [2019-10-15 03:20:23,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:20:23,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:20:23,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:20:23,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:20:23,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:20:20" (1/3) ... [2019-10-15 03:20:23,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2a8c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:20:23, skipping insertion in model container [2019-10-15 03:20:23,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:21" (2/3) ... [2019-10-15 03:20:23,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2a8c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:20:23, skipping insertion in model container [2019-10-15 03:20:23,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:20:23" (3/3) ... [2019-10-15 03:20:23,361 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2019-10-15 03:20:23,371 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:20:23,383 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:20:23,395 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:20:23,441 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:20:23,441 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:20:23,441 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:20:23,441 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:20:23,442 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:20:23,442 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:20:23,442 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:20:23,443 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:20:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2019-10-15 03:20:23,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:20:23,493 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:23,494 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:23,497 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:23,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1807382663, now seen corresponding path program 1 times [2019-10-15 03:20:23,514 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:23,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989942320] [2019-10-15 03:20:23,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:23,520 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:23,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:23,888 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989942320] [2019-10-15 03:20:23,889 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:23,890 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:20:23,890 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776925603] [2019-10-15 03:20:23,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:20:23,897 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:23,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:20:23,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:20:23,920 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2019-10-15 03:20:23,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:23,973 INFO L93 Difference]: Finished difference Result 258 states and 315 transitions. [2019-10-15 03:20:23,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:20:23,974 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 03:20:23,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:23,988 INFO L225 Difference]: With dead ends: 258 [2019-10-15 03:20:23,989 INFO L226 Difference]: Without dead ends: 131 [2019-10-15 03:20:23,994 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:20:24,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-15 03:20:24,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-15 03:20:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-15 03:20:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2019-10-15 03:20:24,056 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 46 [2019-10-15 03:20:24,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:24,057 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2019-10-15 03:20:24,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:20:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2019-10-15 03:20:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 03:20:24,061 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:24,062 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:24,062 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:24,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:24,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1932255421, now seen corresponding path program 1 times [2019-10-15 03:20:24,063 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:24,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027814812] [2019-10-15 03:20:24,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:24,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:24,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:24,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027814812] [2019-10-15 03:20:24,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:24,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:20:24,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033438735] [2019-10-15 03:20:24,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:20:24,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:24,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:20:24,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:20:24,255 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 3 states. [2019-10-15 03:20:24,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:24,309 INFO L93 Difference]: Finished difference Result 216 states and 254 transitions. [2019-10-15 03:20:24,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:20:24,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 03:20:24,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:24,315 INFO L225 Difference]: With dead ends: 216 [2019-10-15 03:20:24,315 INFO L226 Difference]: Without dead ends: 123 [2019-10-15 03:20:24,319 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:20:24,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-15 03:20:24,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-15 03:20:24,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-15 03:20:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2019-10-15 03:20:24,349 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2019-10-15 03:20:24,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:24,349 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2019-10-15 03:20:24,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:20:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2019-10-15 03:20:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-15 03:20:24,356 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:24,356 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] [2019-10-15 03:20:24,356 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:24,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:24,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1572960575, now seen corresponding path program 1 times [2019-10-15 03:20:24,357 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:24,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40973502] [2019-10-15 03:20:24,358 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:24,358 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:24,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:24,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40973502] [2019-10-15 03:20:24,572 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:24,572 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:20:24,573 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534898624] [2019-10-15 03:20:24,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:20:24,574 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:24,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:20:24,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:20:24,575 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2019-10-15 03:20:24,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:24,926 INFO L93 Difference]: Finished difference Result 221 states and 260 transitions. [2019-10-15 03:20:24,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:20:24,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-10-15 03:20:24,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:24,930 INFO L225 Difference]: With dead ends: 221 [2019-10-15 03:20:24,932 INFO L226 Difference]: Without dead ends: 123 [2019-10-15 03:20:24,934 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:20:24,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-15 03:20:24,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-15 03:20:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-15 03:20:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2019-10-15 03:20:24,959 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 49 [2019-10-15 03:20:24,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:24,959 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2019-10-15 03:20:24,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:20:24,960 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2019-10-15 03:20:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 03:20:24,967 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:24,968 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:20:24,968 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:24,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:24,969 INFO L82 PathProgramCache]: Analyzing trace with hash 767809546, now seen corresponding path program 1 times [2019-10-15 03:20:24,969 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:24,969 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654122347] [2019-10-15 03:20:24,969 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:24,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:24,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:20:25,112 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654122347] [2019-10-15 03:20:25,113 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:25,113 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:20:25,113 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89893669] [2019-10-15 03:20:25,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:20:25,115 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:25,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:20:25,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:20:25,118 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 5 states. [2019-10-15 03:20:25,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:25,664 INFO L93 Difference]: Finished difference Result 319 states and 380 transitions. [2019-10-15 03:20:25,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:20:25,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-10-15 03:20:25,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:25,672 INFO L225 Difference]: With dead ends: 319 [2019-10-15 03:20:25,672 INFO L226 Difference]: Without dead ends: 221 [2019-10-15 03:20:25,673 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:20:25,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-15 03:20:25,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 206. [2019-10-15 03:20:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-10-15 03:20:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 229 transitions. [2019-10-15 03:20:25,724 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 229 transitions. Word has length 66 [2019-10-15 03:20:25,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:25,724 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 229 transitions. [2019-10-15 03:20:25,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:20:25,725 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 229 transitions. [2019-10-15 03:20:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-15 03:20:25,728 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:25,728 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] [2019-10-15 03:20:25,728 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:25,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:25,729 INFO L82 PathProgramCache]: Analyzing trace with hash 278610092, now seen corresponding path program 1 times [2019-10-15 03:20:25,729 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:25,730 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754796431] [2019-10-15 03:20:25,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:25,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:25,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:25,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754796431] [2019-10-15 03:20:25,854 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:25,855 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:20:25,855 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979295273] [2019-10-15 03:20:25,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:20:25,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:25,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:20:25,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:20:25,858 INFO L87 Difference]: Start difference. First operand 206 states and 229 transitions. Second operand 6 states. [2019-10-15 03:20:26,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:26,086 INFO L93 Difference]: Finished difference Result 551 states and 628 transitions. [2019-10-15 03:20:26,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:20:26,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2019-10-15 03:20:26,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:26,093 INFO L225 Difference]: With dead ends: 551 [2019-10-15 03:20:26,093 INFO L226 Difference]: Without dead ends: 370 [2019-10-15 03:20:26,095 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:20:26,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2019-10-15 03:20:26,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 360. [2019-10-15 03:20:26,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-10-15 03:20:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 398 transitions. [2019-10-15 03:20:26,158 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 398 transitions. Word has length 76 [2019-10-15 03:20:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:26,159 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 398 transitions. [2019-10-15 03:20:26,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:20:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 398 transitions. [2019-10-15 03:20:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-15 03:20:26,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:26,161 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] [2019-10-15 03:20:26,161 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:26,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:26,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1595245746, now seen corresponding path program 1 times [2019-10-15 03:20:26,162 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:26,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94252977] [2019-10-15 03:20:26,162 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:26,162 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:26,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:26,289 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94252977] [2019-10-15 03:20:26,289 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:26,289 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:20:26,289 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187869542] [2019-10-15 03:20:26,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:20:26,290 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:26,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:20:26,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:20:26,291 INFO L87 Difference]: Start difference. First operand 360 states and 398 transitions. Second operand 7 states. [2019-10-15 03:20:26,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:26,924 INFO L93 Difference]: Finished difference Result 563 states and 641 transitions. [2019-10-15 03:20:26,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:20:26,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-10-15 03:20:26,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:26,929 INFO L225 Difference]: With dead ends: 563 [2019-10-15 03:20:26,930 INFO L226 Difference]: Without dead ends: 382 [2019-10-15 03:20:26,931 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:20:26,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-10-15 03:20:26,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 359. [2019-10-15 03:20:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-15 03:20:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 395 transitions. [2019-10-15 03:20:26,971 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 395 transitions. Word has length 79 [2019-10-15 03:20:26,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:26,971 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 395 transitions. [2019-10-15 03:20:26,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:20:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 395 transitions. [2019-10-15 03:20:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-15 03:20:26,973 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:26,973 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:20:26,974 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:26,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:26,974 INFO L82 PathProgramCache]: Analyzing trace with hash 2081908971, now seen corresponding path program 1 times [2019-10-15 03:20:26,974 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:26,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670355874] [2019-10-15 03:20:26,975 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:26,975 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:26,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:20:27,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670355874] [2019-10-15 03:20:27,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301591790] [2019-10-15 03:20:27,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:20:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:27,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 03:20:27,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:20:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:20:27,469 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:20:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:20:27,617 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 03:20:27,618 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-15 03:20:27,618 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001913180] [2019-10-15 03:20:27,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:20:27,619 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:27,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:20:27,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-15 03:20:27,620 INFO L87 Difference]: Start difference. First operand 359 states and 395 transitions. Second operand 3 states. [2019-10-15 03:20:27,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:27,666 INFO L93 Difference]: Finished difference Result 519 states and 584 transitions. [2019-10-15 03:20:27,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:20:27,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-15 03:20:27,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:27,671 INFO L225 Difference]: With dead ends: 519 [2019-10-15 03:20:27,671 INFO L226 Difference]: Without dead ends: 516 [2019-10-15 03:20:27,672 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-15 03:20:27,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2019-10-15 03:20:27,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 509. [2019-10-15 03:20:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2019-10-15 03:20:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 572 transitions. [2019-10-15 03:20:27,706 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 572 transitions. Word has length 92 [2019-10-15 03:20:27,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:27,706 INFO L462 AbstractCegarLoop]: Abstraction has 509 states and 572 transitions. [2019-10-15 03:20:27,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:20:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 572 transitions. [2019-10-15 03:20:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-15 03:20:27,709 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:27,710 INFO L380 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 03:20:27,914 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:20:27,915 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:27,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:27,915 INFO L82 PathProgramCache]: Analyzing trace with hash 997183926, now seen corresponding path program 1 times [2019-10-15 03:20:27,916 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:27,916 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493965978] [2019-10-15 03:20:27,916 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:27,916 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:27,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 03:20:28,121 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493965978] [2019-10-15 03:20:28,121 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026618071] [2019-10-15 03:20:28,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:20:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:28,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-15 03:20:28,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:20:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-15 03:20:28,473 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:20:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 03:20:29,371 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:20:29,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-15 03:20:29,372 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081223046] [2019-10-15 03:20:29,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:20:29,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:29,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:20:29,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-15 03:20:29,374 INFO L87 Difference]: Start difference. First operand 509 states and 572 transitions. Second operand 11 states. [2019-10-15 03:20:30,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:30,268 INFO L93 Difference]: Finished difference Result 1109 states and 1286 transitions. [2019-10-15 03:20:30,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:20:30,269 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 157 [2019-10-15 03:20:30,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:30,274 INFO L225 Difference]: With dead ends: 1109 [2019-10-15 03:20:30,275 INFO L226 Difference]: Without dead ends: 625 [2019-10-15 03:20:30,277 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-15 03:20:30,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2019-10-15 03:20:30,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 614. [2019-10-15 03:20:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2019-10-15 03:20:30,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 686 transitions. [2019-10-15 03:20:30,323 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 686 transitions. Word has length 157 [2019-10-15 03:20:30,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:30,324 INFO L462 AbstractCegarLoop]: Abstraction has 614 states and 686 transitions. [2019-10-15 03:20:30,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:20:30,324 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 686 transitions. [2019-10-15 03:20:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-15 03:20:30,330 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:30,331 INFO L380 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:30,542 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:20:30,543 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:30,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:30,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1070966598, now seen corresponding path program 1 times [2019-10-15 03:20:30,544 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:30,544 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605137427] [2019-10-15 03:20:30,545 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:30,545 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:30,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 35 proven. 18 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-15 03:20:30,807 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605137427] [2019-10-15 03:20:30,807 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875924903] [2019-10-15 03:20:30,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:20:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:31,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-15 03:20:31,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:20:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 03:20:31,237 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:20:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 50 proven. 12 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-10-15 03:20:32,037 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:20:32,038 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 32 [2019-10-15 03:20:32,038 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489024530] [2019-10-15 03:20:32,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:20:32,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:32,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:20:32,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=885, Unknown=0, NotChecked=0, Total=992 [2019-10-15 03:20:32,040 INFO L87 Difference]: Start difference. First operand 614 states and 686 transitions. Second operand 11 states. [2019-10-15 03:20:32,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:32,930 INFO L93 Difference]: Finished difference Result 1266 states and 1439 transitions. [2019-10-15 03:20:32,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:20:32,931 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2019-10-15 03:20:32,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:32,932 INFO L225 Difference]: With dead ends: 1266 [2019-10-15 03:20:32,932 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:20:32,935 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2019-10-15 03:20:32,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:20:32,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:20:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:20:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:20:32,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2019-10-15 03:20:32,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:32,937 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:20:32,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:20:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:20:32,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:20:33,142 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:20:33,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:20:35,022 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 17 [2019-10-15 03:20:35,565 INFO L443 ceAbstractionStarter]: For program point L286(lines 263 287) no Hoare annotation was computed. [2019-10-15 03:20:35,565 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-15 03:20:35,565 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 239 294) no Hoare annotation was computed. [2019-10-15 03:20:35,565 INFO L443 ceAbstractionStarter]: For program point L264-2(lines 264 285) no Hoare annotation was computed. [2019-10-15 03:20:35,565 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 239 294) no Hoare annotation was computed. [2019-10-15 03:20:35,565 INFO L443 ceAbstractionStarter]: For program point L321-2(lines 321 346) no Hoare annotation was computed. [2019-10-15 03:20:35,565 INFO L443 ceAbstractionStarter]: For program point L347(lines 320 348) no Hoare annotation was computed. [2019-10-15 03:20:35,566 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 295 354) no Hoare annotation was computed. [2019-10-15 03:20:35,566 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-10-15 03:20:35,566 INFO L443 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2019-10-15 03:20:35,566 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 295 354) no Hoare annotation was computed. [2019-10-15 03:20:35,566 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 295 354) no Hoare annotation was computed. [2019-10-15 03:20:35,566 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-10-15 03:20:35,567 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2019-10-15 03:20:35,567 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2019-10-15 03:20:35,567 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2019-10-15 03:20:35,567 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2019-10-15 03:20:35,567 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,567 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2019-10-15 03:20:35,567 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,567 INFO L439 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,567 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2019-10-15 03:20:35,567 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2019-10-15 03:20:35,568 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-10-15 03:20:35,568 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,568 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,568 INFO L439 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,568 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-15 03:20:35,568 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-15 03:20:35,569 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 117 140) no Hoare annotation was computed. [2019-10-15 03:20:35,569 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-15 03:20:35,569 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-10-15 03:20:35,569 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-10-15 03:20:35,569 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 117 140) no Hoare annotation was computed. [2019-10-15 03:20:35,569 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-15 03:20:35,569 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 117 140) no Hoare annotation was computed. [2019-10-15 03:20:35,569 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-10-15 03:20:35,570 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-10-15 03:20:35,570 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-15 03:20:35,570 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-15 03:20:35,570 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-15 03:20:35,570 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-15 03:20:35,570 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-10-15 03:20:35,570 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-15 03:20:35,570 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-15 03:20:35,570 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2019-10-15 03:20:35,570 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:20:35,570 INFO L439 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:20:35,570 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2019-10-15 03:20:35,571 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:20:35,571 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-10-15 03:20:35,571 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:20:35,571 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-10-15 03:20:35,571 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-10-15 03:20:35,571 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2019-10-15 03:20:35,571 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2019-10-15 03:20:35,571 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2019-10-15 03:20:35,571 INFO L446 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2019-10-15 03:20:35,571 INFO L443 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2019-10-15 03:20:35,571 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2019-10-15 03:20:35,571 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 937 972) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 937 972) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 193 238) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 193 238) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 506 551) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 506 551) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2019-10-15 03:20:35,572 INFO L439 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,572 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2019-10-15 03:20:35,573 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2019-10-15 03:20:35,573 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2019-10-15 03:20:35,573 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-10-15 03:20:35,573 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-10-15 03:20:35,573 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methAndRunningLastTime~0 0)) (= 0 |old(~pumpRunning~0)|)) [2019-10-15 03:20:35,573 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2019-10-15 03:20:35,573 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2019-10-15 03:20:35,573 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2019-10-15 03:20:35,573 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2019-10-15 03:20:35,573 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-10-15 03:20:35,573 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2019-10-15 03:20:35,573 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2019-10-15 03:20:35,574 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methAndRunningLastTime~0 0))) [2019-10-15 03:20:35,574 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)))) [2019-10-15 03:20:35,574 INFO L443 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2019-10-15 03:20:35,574 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (and (not (= 0 |old(~pumpRunning~0)|)) (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-15 03:20:35,574 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 03:20:35,574 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2019-10-15 03:20:35,574 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2019-10-15 03:20:35,574 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2019-10-15 03:20:35,574 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,574 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2019-10-15 03:20:35,574 INFO L439 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,575 INFO L439 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,575 INFO L443 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2019-10-15 03:20:35,575 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,575 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-10-15 03:20:35,575 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2019-10-15 03:20:35,575 INFO L439 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) .cse1) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 03:20:35,575 INFO L439 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) .cse1) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 03:20:35,575 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-10-15 03:20:35,575 INFO L443 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2019-10-15 03:20:35,575 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2019-10-15 03:20:35,575 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 460 505) no Hoare annotation was computed. [2019-10-15 03:20:35,576 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 460 505) no Hoare annotation was computed. [2019-10-15 03:20:35,576 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:20:35,576 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2019-10-15 03:20:35,576 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2019-10-15 03:20:35,576 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2019-10-15 03:20:35,576 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-15 03:20:35,576 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-10-15 03:20:35,576 INFO L439 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:20:35,576 INFO L443 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2019-10-15 03:20:35,576 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-10-15 03:20:35,576 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2019-10-15 03:20:35,576 INFO L439 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2019-10-15 03:20:35,577 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2019-10-15 03:20:35,577 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 03:20:35,577 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 714 736) no Hoare annotation was computed. [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 714 736) no Hoare annotation was computed. [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 357 459) no Hoare annotation was computed. [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point L407(lines 406 426) no Hoare annotation was computed. [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point L438-1(line 438) no Hoare annotation was computed. [2019-10-15 03:20:35,577 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 444) no Hoare annotation was computed. [2019-10-15 03:20:35,578 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-15 03:20:35,578 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 357 459) no Hoare annotation was computed. [2019-10-15 03:20:35,578 INFO L443 ceAbstractionStarter]: For program point L422-1(line 422) no Hoare annotation was computed. [2019-10-15 03:20:35,578 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 385) no Hoare annotation was computed. [2019-10-15 03:20:35,578 INFO L443 ceAbstractionStarter]: For program point L406-2(lines 406 426) no Hoare annotation was computed. [2019-10-15 03:20:35,578 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 357 459) no Hoare annotation was computed. [2019-10-15 03:20:35,578 INFO L443 ceAbstractionStarter]: For program point L427(lines 405 428) no Hoare annotation was computed. [2019-10-15 03:20:35,578 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 402) no Hoare annotation was computed. [2019-10-15 03:20:35,578 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 563 572) no Hoare annotation was computed. [2019-10-15 03:20:35,579 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 563 572) no Hoare annotation was computed. [2019-10-15 03:20:35,579 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 03:20:35,579 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:20:35,579 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-15 03:20:35,579 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-10-15 03:20:35,579 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2019-10-15 03:20:35,580 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-15 03:20:35,580 INFO L439 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 activatePump_~tmp~9) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-15 03:20:35,580 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2019-10-15 03:20:35,580 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-10-15 03:20:35,580 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 737 745) no Hoare annotation was computed. [2019-10-15 03:20:35,580 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 737 745) no Hoare annotation was computed. [2019-10-15 03:20:35,580 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2019-10-15 03:20:35,580 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2019-10-15 03:20:35,581 INFO L446 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2019-10-15 03:20:35,581 INFO L443 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2019-10-15 03:20:35,581 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (or (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:20:35,581 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2019-10-15 03:20:35,581 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:20:35,581 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:20:35,581 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2019-10-15 03:20:35,581 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2019-10-15 03:20:35,582 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-15 03:20:35,582 INFO L439 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (or (= 0 ~methaneLevelCritical~0) .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-15 03:20:35,582 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-15 03:20:35,582 INFO L439 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-15 03:20:35,582 INFO L443 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2019-10-15 03:20:35,582 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2019-10-15 03:20:35,583 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2019-10-15 03:20:35,583 INFO L446 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2019-10-15 03:20:35,583 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2019-10-15 03:20:35,583 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2019-10-15 03:20:35,583 INFO L446 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2019-10-15 03:20:35,583 INFO L446 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2019-10-15 03:20:35,583 INFO L443 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2019-10-15 03:20:35,583 INFO L446 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2019-10-15 03:20:35,584 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-15 03:20:35,584 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2019-10-15 03:20:35,584 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: true [2019-10-15 03:20:35,584 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2019-10-15 03:20:35,584 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2019-10-15 03:20:35,584 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2019-10-15 03:20:35,584 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:20:35,584 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-15 03:20:35,585 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:20:35,585 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:20:35,585 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:20:35,585 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2019-10-15 03:20:35,585 INFO L439 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:20:35,585 INFO L443 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2019-10-15 03:20:35,586 INFO L439 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-15 03:20:35,586 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-15 03:20:35,586 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2019-10-15 03:20:35,586 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-15 03:20:35,586 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-10-15 03:20:35,586 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2019-10-15 03:20:35,586 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2019-10-15 03:20:35,587 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: true [2019-10-15 03:20:35,587 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2019-10-15 03:20:35,587 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2019-10-15 03:20:35,587 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2019-10-15 03:20:35,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:20:35 BoogieIcfgContainer [2019-10-15 03:20:35,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:20:35,604 INFO L168 Benchmark]: Toolchain (without parser) took 14815.37 ms. Allocated memory was 145.2 MB in the beginning and 432.0 MB in the end (delta: 286.8 MB). Free memory was 101.8 MB in the beginning and 244.3 MB in the end (delta: -142.5 MB). Peak memory consumption was 299.3 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:35,604 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 03:20:35,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.49 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 169.5 MB in the end (delta: -67.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:35,606 INFO L168 Benchmark]: Boogie Preprocessor took 142.62 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 164.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:35,607 INFO L168 Benchmark]: RCFGBuilder took 1783.77 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 164.8 MB in the beginning and 141.4 MB in the end (delta: 23.4 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:35,608 INFO L168 Benchmark]: TraceAbstraction took 12248.73 ms. Allocated memory was 236.5 MB in the beginning and 432.0 MB in the end (delta: 195.6 MB). Free memory was 139.9 MB in the beginning and 244.3 MB in the end (delta: -104.4 MB). Peak memory consumption was 246.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:35,612 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.49 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 169.5 MB in the end (delta: -67.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.62 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 164.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1783.77 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 164.8 MB in the beginning and 141.4 MB in the end (delta: 23.4 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12248.73 ms. Allocated memory was 236.5 MB in the beginning and 432.0 MB in the end (delta: 195.6 MB). Free memory was 139.9 MB in the beginning and 244.3 MB in the end (delta: -104.4 MB). Peak memory consumption was 246.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 203 locations, 1 error locations. Result: SAFE, OverallTime: 12.1s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, HoareTripleCheckerStatistics: 1362 SDtfs, 804 SDslu, 2938 SDs, 0 SdLazy, 2190 SolverSat, 280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1057 GetRequests, 950 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=614occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 66 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1351 PreInvPairs, 1410 NumberOfFragments, 1180 HoareAnnotationTreeSize, 1351 FomulaSimplifications, 1792 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 3464 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1293 NumberOfCodeBlocks, 1293 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1743 ConstructedInterpolants, 0 QuantifiedInterpolants, 407486 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2829 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 559/614 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...