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_spec1_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:26,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:26,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:26,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:26,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:26,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:26,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:26,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:26,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:26,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:26,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:26,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:26,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:26,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:26,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:26,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:26,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:26,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:26,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:26,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:26,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:26,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:26,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:26,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:26,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:26,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:26,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:26,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:26,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:26,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:26,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:26,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:26,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:26,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:26,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:26,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:26,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:26,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:26,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:26,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:26,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:26,415 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 [2019-10-07 15:15:26,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:26,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:26,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:26,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:26,452 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:26,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:26,453 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:26,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:26,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:26,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:26,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:26,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:26,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:26,457 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:26,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:26,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:26,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:26,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:26,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:26,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:26,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:26,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:26,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:26,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:26,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:26,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:26,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:26,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:26,461 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 [2019-10-07 15:15:26,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:26,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:26,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:26,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:26,800 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:26,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2019-10-07 15:15:26,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e8a209a5/6f5fed3444b64ed8905c80f7b6c724fb/FLAG1bb507c58 [2019-10-07 15:15:27,463 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:27,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2019-10-07 15:15:27,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e8a209a5/6f5fed3444b64ed8905c80f7b6c724fb/FLAG1bb507c58 [2019-10-07 15:15:27,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e8a209a5/6f5fed3444b64ed8905c80f7b6c724fb [2019-10-07 15:15:27,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:27,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:27,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:27,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:27,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:27,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:27" (1/1) ... [2019-10-07 15:15:27,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f1e481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:27, skipping insertion in model container [2019-10-07 15:15:27,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:27" (1/1) ... [2019-10-07 15:15:27,762 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:27,828 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:28,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:28,347 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:28,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:28,503 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:28,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28 WrapperNode [2019-10-07 15:15:28,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:28,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:28,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:28,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:28,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28" (1/1) ... [2019-10-07 15:15:28,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28" (1/1) ... [2019-10-07 15:15:28,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28" (1/1) ... [2019-10-07 15:15:28,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28" (1/1) ... [2019-10-07 15:15:28,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28" (1/1) ... [2019-10-07 15:15:28,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28" (1/1) ... [2019-10-07 15:15:28,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28" (1/1) ... [2019-10-07 15:15:28,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:28,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:28,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:28,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:28,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28" (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 [2019-10-07 15:15:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:15:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:15:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:15:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:15:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:15:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:15:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:15:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:15:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:30,371 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:30,372 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:30,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:30 BoogieIcfgContainer [2019-10-07 15:15:30,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:30,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:30,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:30,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:30,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:27" (1/3) ... [2019-10-07 15:15:30,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0c7b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:30, skipping insertion in model container [2019-10-07 15:15:30,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28" (2/3) ... [2019-10-07 15:15:30,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0c7b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:30, skipping insertion in model container [2019-10-07 15:15:30,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:30" (3/3) ... [2019-10-07 15:15:30,383 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2019-10-07 15:15:30,394 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:30,405 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:30,419 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:30,453 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:30,454 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:30,454 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:30,454 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:30,454 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:30,454 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:30,454 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:30,455 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-10-07 15:15:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:30,503 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:30,504 INFO L385 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] [2019-10-07 15:15:30,507 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:30,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:30,518 INFO L82 PathProgramCache]: Analyzing trace with hash 948521361, now seen corresponding path program 1 times [2019-10-07 15:15:30,530 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:30,531 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:30,531 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:30,532 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:30,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:30,970 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:30,971 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:30,971 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:30,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:30,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:30,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:30,996 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-10-07 15:15:31,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:31,043 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2019-10-07 15:15:31,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:31,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:31,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:31,059 INFO L225 Difference]: With dead ends: 235 [2019-10-07 15:15:31,059 INFO L226 Difference]: Without dead ends: 118 [2019-10-07 15:15:31,064 INFO L606 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 [2019-10-07 15:15:31,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-07 15:15:31,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-10-07 15:15:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-07 15:15:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 139 transitions. [2019-10-07 15:15:31,152 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 139 transitions. Word has length 42 [2019-10-07 15:15:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:31,152 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 139 transitions. [2019-10-07 15:15:31,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 139 transitions. [2019-10-07 15:15:31,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:31,156 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:31,157 INFO L385 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] [2019-10-07 15:15:31,157 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:31,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:31,158 INFO L82 PathProgramCache]: Analyzing trace with hash -617814062, now seen corresponding path program 1 times [2019-10-07 15:15:31,158 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:31,158 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:31,158 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:31,158 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:31,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:31,319 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:31,319 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:31,319 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:31,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:31,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:31,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:31,324 INFO L87 Difference]: Start difference. First operand 118 states and 139 transitions. Second operand 3 states. [2019-10-07 15:15:31,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:31,380 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2019-10-07 15:15:31,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:31,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:31,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:31,387 INFO L225 Difference]: With dead ends: 186 [2019-10-07 15:15:31,387 INFO L226 Difference]: Without dead ends: 110 [2019-10-07 15:15:31,389 INFO L606 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 [2019-10-07 15:15:31,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-10-07 15:15:31,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-10-07 15:15:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-07 15:15:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2019-10-07 15:15:31,414 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 43 [2019-10-07 15:15:31,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:31,415 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2019-10-07 15:15:31,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2019-10-07 15:15:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:15:31,426 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:31,426 INFO L385 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] [2019-10-07 15:15:31,427 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:31,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:31,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1317798766, now seen corresponding path program 1 times [2019-10-07 15:15:31,427 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:31,428 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:31,428 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:31,430 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:31,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:31,606 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:31,606 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:31,606 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:31,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:31,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:31,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:31,607 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 7 states. [2019-10-07 15:15:32,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:32,136 INFO L93 Difference]: Finished difference Result 330 states and 397 transitions. [2019-10-07 15:15:32,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:32,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:15:32,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:32,144 INFO L225 Difference]: With dead ends: 330 [2019-10-07 15:15:32,144 INFO L226 Difference]: Without dead ends: 242 [2019-10-07 15:15:32,148 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:15:32,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-10-07 15:15:32,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 234. [2019-10-07 15:15:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-10-07 15:15:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 281 transitions. [2019-10-07 15:15:32,222 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 281 transitions. Word has length 46 [2019-10-07 15:15:32,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:32,223 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 281 transitions. [2019-10-07 15:15:32,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 281 transitions. [2019-10-07 15:15:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:15:32,226 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:32,226 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:32,226 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:32,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:32,227 INFO L82 PathProgramCache]: Analyzing trace with hash -2093263444, now seen corresponding path program 1 times [2019-10-07 15:15:32,227 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:32,227 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,227 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,227 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:32,403 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,403 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:32,403 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:32,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:32,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:32,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:32,405 INFO L87 Difference]: Start difference. First operand 234 states and 281 transitions. Second operand 6 states. [2019-10-07 15:15:32,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:32,647 INFO L93 Difference]: Finished difference Result 643 states and 792 transitions. [2019-10-07 15:15:32,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:32,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:15:32,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:32,661 INFO L225 Difference]: With dead ends: 643 [2019-10-07 15:15:32,661 INFO L226 Difference]: Without dead ends: 431 [2019-10-07 15:15:32,665 INFO L606 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 [2019-10-07 15:15:32,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-07 15:15:32,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2019-10-07 15:15:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-07 15:15:32,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 508 transitions. [2019-10-07 15:15:32,719 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 508 transitions. Word has length 51 [2019-10-07 15:15:32,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:32,720 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 508 transitions. [2019-10-07 15:15:32,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 508 transitions. [2019-10-07 15:15:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:15:32,722 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:32,723 INFO L385 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] [2019-10-07 15:15:32,723 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:32,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:32,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1007196099, now seen corresponding path program 1 times [2019-10-07 15:15:32,724 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:32,724 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,724 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,724 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:32,868 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,869 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:32,869 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:32,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:32,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:32,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:32,870 INFO L87 Difference]: Start difference. First operand 419 states and 508 transitions. Second operand 7 states. [2019-10-07 15:15:33,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:33,477 INFO L93 Difference]: Finished difference Result 1127 states and 1474 transitions. [2019-10-07 15:15:33,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:15:33,478 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:15:33,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:33,485 INFO L225 Difference]: With dead ends: 1127 [2019-10-07 15:15:33,485 INFO L226 Difference]: Without dead ends: 730 [2019-10-07 15:15:33,488 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:15:33,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2019-10-07 15:15:33,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 643. [2019-10-07 15:15:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2019-10-07 15:15:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 773 transitions. [2019-10-07 15:15:33,552 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 773 transitions. Word has length 54 [2019-10-07 15:15:33,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:33,554 INFO L462 AbstractCegarLoop]: Abstraction has 643 states and 773 transitions. [2019-10-07 15:15:33,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 773 transitions. [2019-10-07 15:15:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-07 15:15:33,560 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:33,560 INFO L385 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] [2019-10-07 15:15:33,561 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:33,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:33,561 INFO L82 PathProgramCache]: Analyzing trace with hash -362327576, now seen corresponding path program 1 times [2019-10-07 15:15:33,561 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:33,561 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:33,562 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:33,562 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:33,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:33,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:15:33,842 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:33,843 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:15:33,843 INFO L95 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 [2019-10-07 15:15:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:34,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:15:34,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:15:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:34,208 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:15:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:15:34,790 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:15:34,790 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-07 15:15:34,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:15:34,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:15:34,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-07 15:15:34,792 INFO L87 Difference]: Start difference. First operand 643 states and 773 transitions. Second operand 11 states. [2019-10-07 15:15:35,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:35,476 INFO L93 Difference]: Finished difference Result 1541 states and 1935 transitions. [2019-10-07 15:15:35,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:15:35,477 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2019-10-07 15:15:35,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:35,484 INFO L225 Difference]: With dead ends: 1541 [2019-10-07 15:15:35,484 INFO L226 Difference]: Without dead ends: 920 [2019-10-07 15:15:35,487 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:15:35,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2019-10-07 15:15:35,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 900. [2019-10-07 15:15:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2019-10-07 15:15:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1094 transitions. [2019-10-07 15:15:35,549 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1094 transitions. Word has length 84 [2019-10-07 15:15:35,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:35,550 INFO L462 AbstractCegarLoop]: Abstraction has 900 states and 1094 transitions. [2019-10-07 15:15:35,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:15:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1094 transitions. [2019-10-07 15:15:35,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-07 15:15:35,555 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:35,555 INFO L385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:35,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:35,770 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:35,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:35,770 INFO L82 PathProgramCache]: Analyzing trace with hash 549164756, now seen corresponding path program 1 times [2019-10-07 15:15:35,770 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:35,771 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:35,771 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:35,771 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:35,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:15:36,055 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:36,055 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:15:36,055 INFO L95 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 [2019-10-07 15:15:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:36,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:15:36,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:15:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:15:36,476 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:15:36,921 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 15:15:36,921 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:15:36,921 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-07 15:15:36,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:15:36,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:15:36,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:15:36,924 INFO L87 Difference]: Start difference. First operand 900 states and 1094 transitions. Second operand 11 states. [2019-10-07 15:15:37,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:37,796 INFO L93 Difference]: Finished difference Result 2235 states and 2783 transitions. [2019-10-07 15:15:37,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:15:37,797 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2019-10-07 15:15:37,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:37,798 INFO L225 Difference]: With dead ends: 2235 [2019-10-07 15:15:37,799 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:37,805 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:15:37,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:37,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:37,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:37,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 130 [2019-10-07 15:15:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:37,807 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:37,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:15:37,808 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:37,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:38,016 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:38,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:40,283 INFO L443 ceAbstractionStarter]: For program point L576-2(lines 576 597) no Hoare annotation was computed. [2019-10-07 15:15:40,284 INFO L443 ceAbstractionStarter]: For program point L598(lines 575 599) no Hoare annotation was computed. [2019-10-07 15:15:40,284 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 551 606) no Hoare annotation was computed. [2019-10-07 15:15:40,284 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 586) no Hoare annotation was computed. [2019-10-07 15:15:40,284 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 551 606) no Hoare annotation was computed. [2019-10-07 15:15:40,285 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 643) no Hoare annotation was computed. [2019-10-07 15:15:40,285 INFO L443 ceAbstractionStarter]: For program point L633-2(lines 633 658) no Hoare annotation was computed. [2019-10-07 15:15:40,285 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 607 666) no Hoare annotation was computed. [2019-10-07 15:15:40,285 INFO L443 ceAbstractionStarter]: For program point L659(lines 632 660) no Hoare annotation was computed. [2019-10-07 15:15:40,285 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 607 666) no Hoare annotation was computed. [2019-10-07 15:15:40,285 INFO L443 ceAbstractionStarter]: For program point L652(line 652) no Hoare annotation was computed. [2019-10-07 15:15:40,285 INFO L443 ceAbstractionStarter]: For program point L652-1(line 652) no Hoare annotation was computed. [2019-10-07 15:15:40,286 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 607 666) no Hoare annotation was computed. [2019-10-07 15:15:40,286 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:15:40,286 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:15:40,286 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2019-10-07 15:15:40,286 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2019-10-07 15:15:40,287 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:40,287 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2019-10-07 15:15:40,287 INFO L439 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:40,287 INFO L439 ceAbstractionStarter]: At program point L949-1(line 949) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:40,287 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 954) no Hoare annotation was computed. [2019-10-07 15:15:40,287 INFO L443 ceAbstractionStarter]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2019-10-07 15:15:40,288 INFO L443 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2019-10-07 15:15:40,288 INFO L439 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:40,288 INFO L439 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:40,288 INFO L439 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:40,288 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 896 919) no Hoare annotation was computed. [2019-10-07 15:15:40,288 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 896 919) no Hoare annotation was computed. [2019-10-07 15:15:40,289 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 896 919) no Hoare annotation was computed. [2019-10-07 15:15:40,289 INFO L443 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2019-10-07 15:15:40,289 INFO L443 ceAbstractionStarter]: For program point L913(line 913) no Hoare annotation was computed. [2019-10-07 15:15:40,289 INFO L443 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2019-10-07 15:15:40,289 INFO L443 ceAbstractionStarter]: For program point L911(line 911) no Hoare annotation was computed. [2019-10-07 15:15:40,289 INFO L443 ceAbstractionStarter]: For program point L910(line 910) no Hoare annotation was computed. [2019-10-07 15:15:40,289 INFO L443 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2019-10-07 15:15:40,289 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-07 15:15:40,290 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-07 15:15:40,290 INFO L443 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2019-10-07 15:15:40,290 INFO L443 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-10-07 15:15:40,290 INFO L443 ceAbstractionStarter]: For program point L904(line 904) no Hoare annotation was computed. [2019-10-07 15:15:40,290 INFO L443 ceAbstractionStarter]: For program point L903(line 903) no Hoare annotation was computed. [2019-10-07 15:15:40,290 INFO L443 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-10-07 15:15:40,290 INFO L443 ceAbstractionStarter]: For program point L901(line 901) no Hoare annotation was computed. [2019-10-07 15:15:40,291 INFO L439 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:40,291 INFO L443 ceAbstractionStarter]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2019-10-07 15:15:40,291 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:40,291 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:15:40,291 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2019-10-07 15:15:40,291 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:15:40,291 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 272) no Hoare annotation was computed. [2019-10-07 15:15:40,292 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:15:40,292 INFO L443 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2019-10-07 15:15:40,292 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 277) no Hoare annotation was computed. [2019-10-07 15:15:40,292 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2019-10-07 15:15:40,292 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (and (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0))) [2019-10-07 15:15:40,292 INFO L439 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0))) [2019-10-07 15:15:40,293 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2019-10-07 15:15:40,293 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2019-10-07 15:15:40,293 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2019-10-07 15:15:40,293 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 360 395) no Hoare annotation was computed. [2019-10-07 15:15:40,293 INFO L443 ceAbstractionStarter]: For program point L390(line 390) no Hoare annotation was computed. [2019-10-07 15:15:40,293 INFO L443 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2019-10-07 15:15:40,293 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 360 395) no Hoare annotation was computed. [2019-10-07 15:15:40,293 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2019-10-07 15:15:40,294 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2019-10-07 15:15:40,294 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 505 550) no Hoare annotation was computed. [2019-10-07 15:15:40,294 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 505 550) no Hoare annotation was computed. [2019-10-07 15:15:40,294 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 818 863) no Hoare annotation was computed. [2019-10-07 15:15:40,294 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 818 863) no Hoare annotation was computed. [2019-10-07 15:15:40,294 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:40,294 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2019-10-07 15:15:40,294 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2019-10-07 15:15:40,295 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2019-10-07 15:15:40,295 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2019-10-07 15:15:40,295 INFO L446 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: true [2019-10-07 15:15:40,295 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-10-07 15:15:40,295 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:40,295 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2019-10-07 15:15:40,296 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2019-10-07 15:15:40,296 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2019-10-07 15:15:40,296 INFO L439 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:15:40,296 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-07 15:15:40,296 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 303) no Hoare annotation was computed. [2019-10-07 15:15:40,296 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2019-10-07 15:15:40,296 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:40,297 INFO L439 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-10-07 15:15:40,297 INFO L443 ceAbstractionStarter]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2019-10-07 15:15:40,297 INFO L439 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:15:40,297 INFO L439 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-07 15:15:40,297 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 298) no Hoare annotation was computed. [2019-10-07 15:15:40,297 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2019-10-07 15:15:40,297 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2019-10-07 15:15:40,298 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:40,298 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2019-10-07 15:15:40,298 INFO L439 ceAbstractionStarter]: At program point L490(lines 441 491) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:40,298 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:15:40,298 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-10-07 15:15:40,299 INFO L439 ceAbstractionStarter]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:15:40,299 INFO L443 ceAbstractionStarter]: For program point L443(lines 442 489) no Hoare annotation was computed. [2019-10-07 15:15:40,299 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 485) no Hoare annotation was computed. [2019-10-07 15:15:40,299 INFO L439 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:15:40,299 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 468) no Hoare annotation was computed. [2019-10-07 15:15:40,299 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2019-10-07 15:15:40,299 INFO L439 ceAbstractionStarter]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-07 15:15:40,300 INFO L439 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-07 15:15:40,300 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2019-10-07 15:15:40,300 INFO L443 ceAbstractionStarter]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2019-10-07 15:15:40,300 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2019-10-07 15:15:40,300 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 772 817) no Hoare annotation was computed. [2019-10-07 15:15:40,300 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 772 817) no Hoare annotation was computed. [2019-10-07 15:15:40,300 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:40,301 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2019-10-07 15:15:40,301 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 169 191) no Hoare annotation was computed. [2019-10-07 15:15:40,301 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 169 191) no Hoare annotation was computed. [2019-10-07 15:15:40,301 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 82 91) no Hoare annotation was computed. [2019-10-07 15:15:40,301 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 82 91) no Hoare annotation was computed. [2019-10-07 15:15:40,301 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 669 771) no Hoare annotation was computed. [2019-10-07 15:15:40,301 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 714) no Hoare annotation was computed. [2019-10-07 15:15:40,302 INFO L443 ceAbstractionStarter]: For program point L719(lines 718 738) no Hoare annotation was computed. [2019-10-07 15:15:40,302 INFO L443 ceAbstractionStarter]: For program point L750(line 750) no Hoare annotation was computed. [2019-10-07 15:15:40,302 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-10-07 15:15:40,302 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 756) no Hoare annotation was computed. [2019-10-07 15:15:40,302 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 669 771) no Hoare annotation was computed. [2019-10-07 15:15:40,302 INFO L443 ceAbstractionStarter]: For program point L734(line 734) no Hoare annotation was computed. [2019-10-07 15:15:40,302 INFO L443 ceAbstractionStarter]: For program point L734-1(line 734) no Hoare annotation was computed. [2019-10-07 15:15:40,302 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-10-07 15:15:40,303 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 669 771) no Hoare annotation was computed. [2019-10-07 15:15:40,303 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 738) no Hoare annotation was computed. [2019-10-07 15:15:40,303 INFO L443 ceAbstractionStarter]: For program point L739(lines 717 740) no Hoare annotation was computed. [2019-10-07 15:15:40,303 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:40,303 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:40,303 INFO L439 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:40,303 INFO L443 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2019-10-07 15:15:40,304 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2019-10-07 15:15:40,304 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 315 331) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:40,304 INFO L439 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:15:40,304 INFO L443 ceAbstractionStarter]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2019-10-07 15:15:40,304 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-10-07 15:15:40,304 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 192 200) no Hoare annotation was computed. [2019-10-07 15:15:40,305 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 192 200) no Hoare annotation was computed. [2019-10-07 15:15:40,305 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2019-10-07 15:15:40,305 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2019-10-07 15:15:40,305 INFO L446 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: true [2019-10-07 15:15:40,305 INFO L443 ceAbstractionStarter]: For program point L403-1(line 403) no Hoare annotation was computed. [2019-10-07 15:15:40,305 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 148 159) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (= ~systemActive~0 0) .cse1))) [2019-10-07 15:15:40,306 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2019-10-07 15:15:40,306 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:40,306 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:40,306 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2019-10-07 15:15:40,306 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2019-10-07 15:15:40,306 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (and (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0))) [2019-10-07 15:15:40,306 INFO L439 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~systemActive~0))) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-07 15:15:40,307 INFO L439 ceAbstractionStarter]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (and (= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))))) (and (or .cse0 (= ~systemActive~0 0) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-07 15:15:40,307 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2019-10-07 15:15:40,307 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2019-10-07 15:15:40,307 INFO L439 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-07 15:15:40,307 INFO L443 ceAbstractionStarter]: For program point L228(lines 227 246) no Hoare annotation was computed. [2019-10-07 15:15:40,307 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2019-10-07 15:15:40,307 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2019-10-07 15:15:40,308 INFO L446 ceAbstractionStarter]: At program point L891(lines 866 895) the Hoare annotation is: true [2019-10-07 15:15:40,308 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-10-07 15:15:40,308 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-10-07 15:15:40,308 INFO L446 ceAbstractionStarter]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2019-10-07 15:15:40,308 INFO L446 ceAbstractionStarter]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2019-10-07 15:15:40,308 INFO L446 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2019-10-07 15:15:40,308 INFO L443 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-10-07 15:15:40,308 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: true [2019-10-07 15:15:40,309 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2019-10-07 15:15:40,309 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2019-10-07 15:15:40,309 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2019-10-07 15:15:40,309 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:40,309 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:40,309 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:40,309 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:40,310 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2019-10-07 15:15:40,310 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: true [2019-10-07 15:15:40,310 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-10-07 15:15:40,310 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2019-10-07 15:15:40,310 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2019-10-07 15:15:40,310 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-07 15:15:40,311 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (and (or (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) (not (= 0 ~pumpRunning~0))) [2019-10-07 15:15:40,311 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-07 15:15:40,311 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-07 15:15:40,311 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-07 15:15:40,311 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-07 15:15:40,311 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-07 15:15:40,311 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-07 15:15:40,311 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-07 15:15:40,312 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-07 15:15:40,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:40 BoogieIcfgContainer [2019-10-07 15:15:40,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:40,330 INFO L168 Benchmark]: Toolchain (without parser) took 12588.44 ms. Allocated memory was 144.7 MB in the beginning and 372.8 MB in the end (delta: 228.1 MB). Free memory was 101.6 MB in the beginning and 297.5 MB in the end (delta: -195.9 MB). Peak memory consumption was 243.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:40,331 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:40,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.67 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.4 MB in the beginning and 168.3 MB in the end (delta: -66.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:40,333 INFO L168 Benchmark]: Boogie Preprocessor took 85.72 ms. Allocated memory is still 203.4 MB. Free memory was 168.3 MB in the beginning and 164.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:40,334 INFO L168 Benchmark]: RCFGBuilder took 1782.87 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 147.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:40,335 INFO L168 Benchmark]: TraceAbstraction took 9952.49 ms. Allocated memory was 234.9 MB in the beginning and 372.8 MB in the end (delta: 137.9 MB). Free memory was 147.8 MB in the beginning and 297.5 MB in the end (delta: -149.7 MB). Peak memory consumption was 199.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:40,340 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.67 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.4 MB in the beginning and 168.3 MB in the end (delta: -66.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.72 ms. Allocated memory is still 203.4 MB. Free memory was 168.3 MB in the beginning and 164.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1782.87 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 147.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9952.49 ms. Allocated memory was 234.9 MB in the beginning and 372.8 MB in the end (delta: 137.9 MB). Free memory was 147.8 MB in the beginning and 297.5 MB in the end (delta: -149.7 MB). Peak memory consumption was 199.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 190 locations, 1 error locations. Result: SAFE, OverallTime: 9.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, HoareTripleCheckerStatistics: 987 SDtfs, 708 SDslu, 2998 SDs, 0 SdLazy, 1529 SolverSat, 181 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=900occurred in iteration=6, 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, 7 MinimizatonAttempts, 127 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1910 PreInvPairs, 2059 NumberOfFragments, 842 HoareAnnotationTreeSize, 1910 FomulaSimplifications, 2552 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 4631 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 867 ConstructedInterpolants, 0 QuantifiedInterpolants, 138563 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1600 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 119/126 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...