java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:00,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:00,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:00,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:00,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:00,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:00,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:00,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:00,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:00,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:00,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:00,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:00,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:00,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:00,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:00,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:00,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:00,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:00,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:00,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:00,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:00,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:00,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:00,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:00,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:00,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:00,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:00,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:00,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:00,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:00,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:00,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:00,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:00,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:00,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:00,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:00,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:00,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:00,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:00,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:00,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:00,520 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 15:17:00,534 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:00,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:00,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:00,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:00,536 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:00,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:00,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:00,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:00,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:00,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:00,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:00,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:00,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:00,538 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:00,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:00,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:00,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:00,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:00,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:00,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:00,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:00,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:00,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:00,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:00,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:00,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:00,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:00,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:00,541 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 15:17:00,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:00,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:00,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:00,909 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:00,909 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:00,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-10-07 15:17:00,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c64a941a/d359cfb838c44602bbde1417c524c444/FLAG0ec808fa4 [2019-10-07 15:17:01,508 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:01,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-10-07 15:17:01,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c64a941a/d359cfb838c44602bbde1417c524c444/FLAG0ec808fa4 [2019-10-07 15:17:01,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c64a941a/d359cfb838c44602bbde1417c524c444 [2019-10-07 15:17:01,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:01,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:01,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:01,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:01,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:01,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:01" (1/1) ... [2019-10-07 15:17:01,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e884bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:01, skipping insertion in model container [2019-10-07 15:17:01,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:01" (1/1) ... [2019-10-07 15:17:01,810 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:01,850 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:02,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:02,387 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:02,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:02,523 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:02,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02 WrapperNode [2019-10-07 15:17:02,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:02,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:02,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:02,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:02,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02" (1/1) ... [2019-10-07 15:17:02,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02" (1/1) ... [2019-10-07 15:17:02,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02" (1/1) ... [2019-10-07 15:17:02,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02" (1/1) ... [2019-10-07 15:17:02,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02" (1/1) ... [2019-10-07 15:17:02,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02" (1/1) ... [2019-10-07 15:17:02,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02" (1/1) ... [2019-10-07 15:17:02,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:02,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:02,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:02,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:02,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02" (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 15:17:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:17:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:17:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:04,362 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:04,362 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:04,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:04 BoogieIcfgContainer [2019-10-07 15:17:04,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:04,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:04,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:04,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:04,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:01" (1/3) ... [2019-10-07 15:17:04,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4dfb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:04, skipping insertion in model container [2019-10-07 15:17:04,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:02" (2/3) ... [2019-10-07 15:17:04,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4dfb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:04, skipping insertion in model container [2019-10-07 15:17:04,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:04" (3/3) ... [2019-10-07 15:17:04,376 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2019-10-07 15:17:04,387 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:04,398 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:04,410 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:04,439 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:04,439 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:04,439 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:04,440 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:04,440 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:04,440 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:04,440 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:04,441 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-10-07 15:17:04,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:04,482 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:04,483 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 15:17:04,486 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:04,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:04,494 INFO L82 PathProgramCache]: Analyzing trace with hash -568942600, now seen corresponding path program 1 times [2019-10-07 15:17:04,504 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:04,504 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:04,505 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,505 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:04,964 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 15:17:04,965 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:04,965 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:04,966 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:04,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:04,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:04,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:04,986 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2019-10-07 15:17:05,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:05,030 INFO L93 Difference]: Finished difference Result 226 states and 275 transitions. [2019-10-07 15:17:05,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:05,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:05,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:05,045 INFO L225 Difference]: With dead ends: 226 [2019-10-07 15:17:05,045 INFO L226 Difference]: Without dead ends: 115 [2019-10-07 15:17:05,050 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 15:17:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-07 15:17:05,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-07 15:17:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-07 15:17:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2019-10-07 15:17:05,109 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 46 [2019-10-07 15:17:05,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:05,110 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2019-10-07 15:17:05,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2019-10-07 15:17:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:05,114 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:05,114 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] [2019-10-07 15:17:05,114 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:05,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:05,115 INFO L82 PathProgramCache]: Analyzing trace with hash -872178940, now seen corresponding path program 1 times [2019-10-07 15:17:05,115 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:05,115 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,115 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,116 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:05,218 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 15:17:05,218 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,219 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:05,219 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:05,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:05,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:05,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:05,223 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 3 states. [2019-10-07 15:17:05,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:05,270 INFO L93 Difference]: Finished difference Result 184 states and 214 transitions. [2019-10-07 15:17:05,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:05,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:05,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:05,274 INFO L225 Difference]: With dead ends: 184 [2019-10-07 15:17:05,274 INFO L226 Difference]: Without dead ends: 107 [2019-10-07 15:17:05,278 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 15:17:05,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-07 15:17:05,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-10-07 15:17:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-07 15:17:05,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2019-10-07 15:17:05,305 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 47 [2019-10-07 15:17:05,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:05,306 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2019-10-07 15:17:05,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2019-10-07 15:17:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 15:17:05,316 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:05,316 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] [2019-10-07 15:17:05,316 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:05,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:05,317 INFO L82 PathProgramCache]: Analyzing trace with hash 398646530, now seen corresponding path program 1 times [2019-10-07 15:17:05,317 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:05,317 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,318 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,318 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:05,483 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 15:17:05,483 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,483 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:05,484 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:05,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:05,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:05,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:05,485 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 7 states. [2019-10-07 15:17:05,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:05,820 INFO L93 Difference]: Finished difference Result 189 states and 220 transitions. [2019-10-07 15:17:05,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:17:05,820 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-10-07 15:17:05,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:05,822 INFO L225 Difference]: With dead ends: 189 [2019-10-07 15:17:05,822 INFO L226 Difference]: Without dead ends: 107 [2019-10-07 15:17:05,824 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:17:05,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-07 15:17:05,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-10-07 15:17:05,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-07 15:17:05,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2019-10-07 15:17:05,836 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 49 [2019-10-07 15:17:05,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:05,836 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2019-10-07 15:17:05,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2019-10-07 15:17:05,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-07 15:17:05,838 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:05,838 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:05,838 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:05,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:05,839 INFO L82 PathProgramCache]: Analyzing trace with hash 858206039, now seen corresponding path program 1 times [2019-10-07 15:17:05,839 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:05,839 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,839 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,840 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:05,992 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 15:17:05,992 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,992 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:05,993 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:17:05,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:17:05,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:17:05,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:17:05,994 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 5 states. [2019-10-07 15:17:06,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:06,516 INFO L93 Difference]: Finished difference Result 279 states and 330 transitions. [2019-10-07 15:17:06,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:06,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-10-07 15:17:06,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:06,521 INFO L225 Difference]: With dead ends: 279 [2019-10-07 15:17:06,521 INFO L226 Difference]: Without dead ends: 197 [2019-10-07 15:17:06,526 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:06,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-10-07 15:17:06,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 182. [2019-10-07 15:17:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-10-07 15:17:06,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 203 transitions. [2019-10-07 15:17:06,576 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 203 transitions. Word has length 62 [2019-10-07 15:17:06,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:06,577 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 203 transitions. [2019-10-07 15:17:06,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:17:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 203 transitions. [2019-10-07 15:17:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-07 15:17:06,578 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:06,579 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:06,579 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:06,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:06,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1405318689, now seen corresponding path program 1 times [2019-10-07 15:17:06,580 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:06,580 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:06,580 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:06,580 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:06,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:06,682 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 15:17:06,682 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:06,683 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:06,683 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:06,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:06,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:06,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:06,684 INFO L87 Difference]: Start difference. First operand 182 states and 203 transitions. Second operand 6 states. [2019-10-07 15:17:06,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:06,912 INFO L93 Difference]: Finished difference Result 479 states and 550 transitions. [2019-10-07 15:17:06,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:06,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2019-10-07 15:17:06,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:06,917 INFO L225 Difference]: With dead ends: 479 [2019-10-07 15:17:06,918 INFO L226 Difference]: Without dead ends: 322 [2019-10-07 15:17:06,919 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 15:17:06,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-10-07 15:17:06,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 312. [2019-10-07 15:17:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-10-07 15:17:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 346 transitions. [2019-10-07 15:17:06,956 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 346 transitions. Word has length 71 [2019-10-07 15:17:06,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:06,957 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 346 transitions. [2019-10-07 15:17:06,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 346 transitions. [2019-10-07 15:17:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 15:17:06,958 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:06,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:06,959 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:06,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:06,960 INFO L82 PathProgramCache]: Analyzing trace with hash -294907335, now seen corresponding path program 1 times [2019-10-07 15:17:06,960 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:06,960 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:06,961 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:06,961 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:06,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:07,097 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 15:17:07,098 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:07,099 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:07,099 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:07,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:07,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:07,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:07,102 INFO L87 Difference]: Start difference. First operand 312 states and 346 transitions. Second operand 7 states. [2019-10-07 15:17:07,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:07,645 INFO L93 Difference]: Finished difference Result 491 states and 563 transitions. [2019-10-07 15:17:07,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:07,646 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2019-10-07 15:17:07,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:07,654 INFO L225 Difference]: With dead ends: 491 [2019-10-07 15:17:07,654 INFO L226 Difference]: Without dead ends: 334 [2019-10-07 15:17:07,655 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:17:07,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-10-07 15:17:07,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 311. [2019-10-07 15:17:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2019-10-07 15:17:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 343 transitions. [2019-10-07 15:17:07,707 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 343 transitions. Word has length 74 [2019-10-07 15:17:07,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:07,707 INFO L462 AbstractCegarLoop]: Abstraction has 311 states and 343 transitions. [2019-10-07 15:17:07,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 343 transitions. [2019-10-07 15:17:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-07 15:17:07,710 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:07,710 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, 1, 1, 1] [2019-10-07 15:17:07,711 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:07,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:07,711 INFO L82 PathProgramCache]: Analyzing trace with hash 899388382, now seen corresponding path program 1 times [2019-10-07 15:17:07,711 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:07,711 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:07,712 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:07,712 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:07,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:07,989 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 15:17:07,990 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:07,990 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:07,990 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 15:17:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:08,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 15:17:08,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:08,270 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:08,421 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:17:08,422 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-07 15:17:08,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:08,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:08,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:08,424 INFO L87 Difference]: Start difference. First operand 311 states and 343 transitions. Second operand 3 states. [2019-10-07 15:17:08,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:08,477 INFO L93 Difference]: Finished difference Result 447 states and 506 transitions. [2019-10-07 15:17:08,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:08,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2019-10-07 15:17:08,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:08,485 INFO L225 Difference]: With dead ends: 447 [2019-10-07 15:17:08,486 INFO L226 Difference]: Without dead ends: 444 [2019-10-07 15:17:08,486 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:08,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-07 15:17:08,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 437. [2019-10-07 15:17:08,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2019-10-07 15:17:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 494 transitions. [2019-10-07 15:17:08,519 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 494 transitions. Word has length 87 [2019-10-07 15:17:08,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:08,519 INFO L462 AbstractCegarLoop]: Abstraction has 437 states and 494 transitions. [2019-10-07 15:17:08,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 494 transitions. [2019-10-07 15:17:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 15:17:08,523 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:08,523 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, 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] [2019-10-07 15:17:08,729 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:08,730 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:08,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:08,730 INFO L82 PathProgramCache]: Analyzing trace with hash -907907730, now seen corresponding path program 1 times [2019-10-07 15:17:08,731 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:08,731 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:08,731 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:08,731 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:08,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:17:08,942 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:08,942 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:08,943 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 15:17:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:09,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:09,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 15:17:09,310 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:17:10,079 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:10,080 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-07 15:17:10,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:10,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:10,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:17:10,081 INFO L87 Difference]: Start difference. First operand 437 states and 494 transitions. Second operand 11 states. [2019-10-07 15:17:10,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:10,939 INFO L93 Difference]: Finished difference Result 943 states and 1103 transitions. [2019-10-07 15:17:10,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:10,941 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2019-10-07 15:17:10,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:10,945 INFO L225 Difference]: With dead ends: 943 [2019-10-07 15:17:10,946 INFO L226 Difference]: Without dead ends: 531 [2019-10-07 15:17:10,948 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:10,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2019-10-07 15:17:10,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 520. [2019-10-07 15:17:10,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-07 15:17:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 583 transitions. [2019-10-07 15:17:10,986 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 583 transitions. Word has length 138 [2019-10-07 15:17:10,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:10,987 INFO L462 AbstractCegarLoop]: Abstraction has 520 states and 583 transitions. [2019-10-07 15:17:10,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:10,988 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 583 transitions. [2019-10-07 15:17:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 15:17:10,995 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:10,996 INFO L385 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:11,197 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:11,197 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:11,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:11,198 INFO L82 PathProgramCache]: Analyzing trace with hash 94735819, now seen corresponding path program 1 times [2019-10-07 15:17:11,198 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:11,199 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,199 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,199 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 35 proven. 14 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-10-07 15:17:11,462 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,462 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:11,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:11,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 15:17:11,940 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 50 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-07 15:17:12,605 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:12,605 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 32 [2019-10-07 15:17:12,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:12,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:12,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=885, Unknown=0, NotChecked=0, Total=992 [2019-10-07 15:17:12,607 INFO L87 Difference]: Start difference. First operand 520 states and 583 transitions. Second operand 11 states. [2019-10-07 15:17:13,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:13,317 INFO L93 Difference]: Finished difference Result 1069 states and 1219 transitions. [2019-10-07 15:17:13,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:13,318 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 183 [2019-10-07 15:17:13,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:13,319 INFO L225 Difference]: With dead ends: 1069 [2019-10-07 15:17:13,319 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:17:13,322 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2019-10-07 15:17:13,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:17:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:17:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:17:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:17:13,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2019-10-07 15:17:13,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:13,323 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:17:13,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:17:13,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:17:13,524 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:13,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:17:14,178 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 17 [2019-10-07 15:17:15,738 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:17:15,739 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-07 15:17:15,740 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:17:15,740 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-07 15:17:15,740 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2019-10-07 15:17:15,740 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2019-10-07 15:17:15,740 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2019-10-07 15:17:15,740 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2019-10-07 15:17:15,740 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,740 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:17:15,741 INFO L439 ceAbstractionStarter]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:17:15,741 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 514) no Hoare annotation was computed. [2019-10-07 15:17:15,741 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2019-10-07 15:17:15,741 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-07 15:17:15,741 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2019-10-07 15:17:15,741 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,741 INFO L439 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,741 INFO L439 ceAbstractionStarter]: At program point L503-1(line 503) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,741 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2019-10-07 15:17:15,741 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-07 15:17:15,742 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-07 15:17:15,743 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-07 15:17:15,743 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-07 15:17:15,743 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:15,743 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2019-10-07 15:17:15,743 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:15,743 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-10-07 15:17:15,743 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2019-10-07 15:17:15,744 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:15,744 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2019-10-07 15:17:15,744 INFO L439 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:15,744 INFO L443 ceAbstractionStarter]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2019-10-07 15:17:15,744 INFO L439 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:15,744 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2019-10-07 15:17:15,744 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2019-10-07 15:17:15,745 INFO L443 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2019-10-07 15:17:15,745 INFO L443 ceAbstractionStarter]: For program point L698-1(line 698) no Hoare annotation was computed. [2019-10-07 15:17:15,745 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 668 703) no Hoare annotation was computed. [2019-10-07 15:17:15,745 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 668 703) no Hoare annotation was computed. [2019-10-07 15:17:15,745 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2019-10-07 15:17:15,745 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2019-10-07 15:17:15,745 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:17:15,746 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:17:15,746 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:17:15,746 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:17:15,746 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,746 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2019-10-07 15:17:15,746 INFO L439 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,746 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2019-10-07 15:17:15,747 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2019-10-07 15:17:15,747 INFO L446 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2019-10-07 15:17:15,747 INFO L443 ceAbstractionStarter]: For program point L653-1(line 653) no Hoare annotation was computed. [2019-10-07 15:17:15,747 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2019-10-07 15:17:15,747 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methAndRunningLastTime~0 0)) (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:15,747 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2019-10-07 15:17:15,747 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2019-10-07 15:17:15,748 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2019-10-07 15:17:15,748 INFO L439 ceAbstractionStarter]: At program point L609(line 609) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:15,748 INFO L443 ceAbstractionStarter]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2019-10-07 15:17:15,748 INFO L439 ceAbstractionStarter]: At program point L604(line 604) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse0 .cse1))) [2019-10-07 15:17:15,748 INFO L439 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse0 .cse1))) [2019-10-07 15:17:15,748 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2019-10-07 15:17:15,749 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 606) no Hoare annotation was computed. [2019-10-07 15:17:15,749 INFO L439 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2019-10-07 15:17:15,749 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:15,749 INFO L443 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2019-10-07 15:17:15,749 INFO L443 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2019-10-07 15:17:15,749 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2019-10-07 15:17:15,749 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2019-10-07 15:17:15,750 INFO L439 ceAbstractionStarter]: At program point L770-2(lines 764 775) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,750 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,750 INFO L443 ceAbstractionStarter]: For program point L735(lines 734 779) no Hoare annotation was computed. [2019-10-07 15:17:15,750 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2019-10-07 15:17:15,750 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,750 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 760) no Hoare annotation was computed. [2019-10-07 15:17:15,751 INFO L443 ceAbstractionStarter]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2019-10-07 15:17:15,751 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) .cse1) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:15,751 INFO L439 ceAbstractionStarter]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) .cse1) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:15,751 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 750) no Hoare annotation was computed. [2019-10-07 15:17:15,751 INFO L443 ceAbstractionStarter]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2019-10-07 15:17:15,751 INFO L439 ceAbstractionStarter]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,751 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2019-10-07 15:17:15,751 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:17:15,751 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:17:15,751 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:15,752 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2019-10-07 15:17:15,752 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:15,752 INFO L439 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:15,752 INFO L443 ceAbstractionStarter]: For program point L941(lines 941 947) no Hoare annotation was computed. [2019-10-07 15:17:15,752 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 950) no Hoare annotation was computed. [2019-10-07 15:17:15,752 INFO L439 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:15,752 INFO L443 ceAbstractionStarter]: For program point L938-1(line 938) no Hoare annotation was computed. [2019-10-07 15:17:15,752 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 953) no Hoare annotation was computed. [2019-10-07 15:17:15,752 INFO L443 ceAbstractionStarter]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2019-10-07 15:17:15,752 INFO L439 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:15,752 INFO L443 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 837 859) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 837 859) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:17:15,753 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2019-10-07 15:17:15,754 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:15,754 INFO L443 ceAbstractionStarter]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2019-10-07 15:17:15,755 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:15,755 INFO L443 ceAbstractionStarter]: For program point L630(lines 630 636) no Hoare annotation was computed. [2019-10-07 15:17:15,755 INFO L439 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:15,755 INFO L443 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2019-10-07 15:17:15,755 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2019-10-07 15:17:15,755 INFO L446 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2019-10-07 15:17:15,755 INFO L443 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2019-10-07 15:17:15,755 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2019-10-07 15:17:15,755 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 860 868) no Hoare annotation was computed. [2019-10-07 15:17:15,755 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 860 868) no Hoare annotation was computed. [2019-10-07 15:17:15,755 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:15,755 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:17:15,755 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (or (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:15,756 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2019-10-07 15:17:15,756 INFO L439 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-07 15:17:15,756 INFO L439 ceAbstractionStarter]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (or (= 0 ~methaneLevelCritical~0) .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:15,756 INFO L439 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-07 15:17:15,756 INFO L443 ceAbstractionStarter]: For program point L536(lines 535 554) no Hoare annotation was computed. [2019-10-07 15:17:15,756 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-07 15:17:15,756 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2019-10-07 15:17:15,756 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2019-10-07 15:17:15,757 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2019-10-07 15:17:15,757 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2019-10-07 15:17:15,757 INFO L446 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2019-10-07 15:17:15,757 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-07 15:17:15,757 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-10-07 15:17:15,765 INFO L446 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2019-10-07 15:17:15,765 INFO L446 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2019-10-07 15:17:15,765 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-07 15:17:15,765 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-07 15:17:15,765 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2019-10-07 15:17:15,765 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2019-10-07 15:17:15,765 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: true [2019-10-07 15:17:15,766 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2019-10-07 15:17:15,766 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2019-10-07 15:17:15,766 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2019-10-07 15:17:15,766 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:15,766 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-07 15:17:15,766 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:17:15,766 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:17:15,766 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2019-10-07 15:17:15,767 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: true [2019-10-07 15:17:15,767 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2019-10-07 15:17:15,767 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-10-07 15:17:15,767 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2019-10-07 15:17:15,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:17:15 BoogieIcfgContainer [2019-10-07 15:17:15,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:17:15,798 INFO L168 Benchmark]: Toolchain (without parser) took 14002.52 ms. Allocated memory was 141.0 MB in the beginning and 440.9 MB in the end (delta: 299.9 MB). Free memory was 98.4 MB in the beginning and 328.1 MB in the end (delta: -229.6 MB). Peak memory consumption was 324.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:15,799 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 117.4 MB in the beginning and 117.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:15,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.93 ms. Allocated memory was 141.0 MB in the beginning and 198.2 MB in the end (delta: 57.1 MB). Free memory was 98.2 MB in the beginning and 166.4 MB in the end (delta: -68.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:15,811 INFO L168 Benchmark]: Boogie Preprocessor took 83.41 ms. Allocated memory is still 198.2 MB. Free memory was 166.4 MB in the beginning and 161.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:15,814 INFO L168 Benchmark]: RCFGBuilder took 1757.10 ms. Allocated memory was 198.2 MB in the beginning and 222.8 MB in the end (delta: 24.6 MB). Free memory was 161.8 MB in the beginning and 142.4 MB in the end (delta: 19.4 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:15,815 INFO L168 Benchmark]: TraceAbstraction took 11427.69 ms. Allocated memory was 222.8 MB in the beginning and 440.9 MB in the end (delta: 218.1 MB). Free memory was 142.4 MB in the beginning and 328.1 MB in the end (delta: -185.6 MB). Peak memory consumption was 286.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:15,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 117.4 MB in the beginning and 117.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.93 ms. Allocated memory was 141.0 MB in the beginning and 198.2 MB in the end (delta: 57.1 MB). Free memory was 98.2 MB in the beginning and 166.4 MB in the end (delta: -68.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.41 ms. Allocated memory is still 198.2 MB. Free memory was 166.4 MB in the beginning and 161.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1757.10 ms. Allocated memory was 198.2 MB in the beginning and 222.8 MB in the end (delta: 24.6 MB). Free memory was 161.8 MB in the beginning and 142.4 MB in the end (delta: 19.4 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11427.69 ms. Allocated memory was 222.8 MB in the beginning and 440.9 MB in the end (delta: 218.1 MB). Free memory was 142.4 MB in the beginning and 328.1 MB in the end (delta: -185.6 MB). Peak memory consumption was 286.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 187 locations, 1 error locations. Result: SAFE, OverallTime: 11.3s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, HoareTripleCheckerStatistics: 1173 SDtfs, 686 SDslu, 2442 SDs, 0 SdLazy, 1893 SolverSat, 249 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 942 GetRequests, 835 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=520occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 66 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1105 PreInvPairs, 1160 NumberOfFragments, 1031 HoareAnnotationTreeSize, 1105 FomulaSimplifications, 1724 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 3153 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1165 NumberOfCodeBlocks, 1165 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1558 ConstructedInterpolants, 0 QuantifiedInterpolants, 320180 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2682 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 487/534 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...