java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:32,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:32,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:32,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:32,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:32,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:32,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:32,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:32,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:32,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:32,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:32,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:32,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:32,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:32,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:32,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:32,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:32,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:32,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:32,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:32,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:32,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:32,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:32,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:32,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:32,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:32,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:32,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:32,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:32,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:32,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:32,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:32,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:32,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:32,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:32,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:32,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:32,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:32,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:32,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:32,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:32,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:32,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:32,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:32,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:32,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:32,670 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:32,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:32,670 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:32,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:32,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:32,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:32,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:32,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:32,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:32,672 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:32,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:32,672 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:32,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:32,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:32,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:32,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:32,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:32,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:32,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:32,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:32,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:32,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:32,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:32,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:32,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:32,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:32,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:32,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:32,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:32,964 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:32,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-10-13 21:21:33,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54c0453d/3876c4cc663c436db86fd266c45abda6/FLAGd1833909d [2019-10-13 21:21:33,587 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:33,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-10-13 21:21:33,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54c0453d/3876c4cc663c436db86fd266c45abda6/FLAGd1833909d [2019-10-13 21:21:33,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54c0453d/3876c4cc663c436db86fd266c45abda6 [2019-10-13 21:21:33,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:33,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:33,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:33,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:33,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:33,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:33" (1/1) ... [2019-10-13 21:21:33,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507cfa22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:33, skipping insertion in model container [2019-10-13 21:21:33,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:33" (1/1) ... [2019-10-13 21:21:33,938 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:33,990 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:34,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:34,385 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:34,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:34,542 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:34,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34 WrapperNode [2019-10-13 21:21:34,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:34,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:34,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:34,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:34,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34" (1/1) ... [2019-10-13 21:21:34,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34" (1/1) ... [2019-10-13 21:21:34,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34" (1/1) ... [2019-10-13 21:21:34,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34" (1/1) ... [2019-10-13 21:21:34,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34" (1/1) ... [2019-10-13 21:21:34,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34" (1/1) ... [2019-10-13 21:21:34,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34" (1/1) ... [2019-10-13 21:21:34,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:34,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:34,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:34,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:34,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:34,716 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:34,716 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:34,716 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:34,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:34,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:34,716 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:34,717 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:21:34,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:34,717 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:34,717 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:34,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:34,717 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:34,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:21:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:35,689 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:35,689 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:35,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:35 BoogieIcfgContainer [2019-10-13 21:21:35,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:35,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:35,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:35,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:35,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:33" (1/3) ... [2019-10-13 21:21:35,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6c3286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:35, skipping insertion in model container [2019-10-13 21:21:35,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:34" (2/3) ... [2019-10-13 21:21:35,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6c3286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:35, skipping insertion in model container [2019-10-13 21:21:35,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:35" (3/3) ... [2019-10-13 21:21:35,699 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2019-10-13 21:21:35,709 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:35,717 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:35,728 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:35,754 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:35,755 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:35,755 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:35,755 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:35,755 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:35,756 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:35,756 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:35,756 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:35,784 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-10-13 21:21:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:35,795 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:35,797 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:35,801 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:35,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:35,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1645653850, now seen corresponding path program 1 times [2019-10-13 21:21:35,815 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:35,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879412351] [2019-10-13 21:21:35,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:36,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879412351] [2019-10-13 21:21:36,173 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:36,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:36,174 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659151763] [2019-10-13 21:21:36,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:36,180 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:36,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:36,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:36,197 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-10-13 21:21:36,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:36,253 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2019-10-13 21:21:36,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:36,255 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:36,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:36,278 INFO L225 Difference]: With dead ends: 180 [2019-10-13 21:21:36,282 INFO L226 Difference]: Without dead ends: 90 [2019-10-13 21:21:36,297 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:36,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-13 21:21:36,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-13 21:21:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-13 21:21:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2019-10-13 21:21:36,390 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2019-10-13 21:21:36,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:36,398 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2019-10-13 21:21:36,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:36,401 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2019-10-13 21:21:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:36,405 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:36,405 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:36,407 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:36,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1821384666, now seen corresponding path program 1 times [2019-10-13 21:21:36,407 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:36,408 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43769031] [2019-10-13 21:21:36,408 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:36,408 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:36,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:36,544 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43769031] [2019-10-13 21:21:36,544 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:36,544 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:36,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396626267] [2019-10-13 21:21:36,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:36,547 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:36,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:36,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:36,547 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2019-10-13 21:21:36,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:36,563 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2019-10-13 21:21:36,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:36,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:36,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:36,566 INFO L225 Difference]: With dead ends: 120 [2019-10-13 21:21:36,566 INFO L226 Difference]: Without dead ends: 81 [2019-10-13 21:21:36,567 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:36,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-10-13 21:21:36,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-10-13 21:21:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-10-13 21:21:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2019-10-13 21:21:36,577 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2019-10-13 21:21:36,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:36,577 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2019-10-13 21:21:36,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2019-10-13 21:21:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:21:36,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:36,580 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:36,580 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:36,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:36,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1519246168, now seen corresponding path program 1 times [2019-10-13 21:21:36,581 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:36,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153053341] [2019-10-13 21:21:36,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:36,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:36,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:36,734 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153053341] [2019-10-13 21:21:36,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:36,735 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:36,735 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991765501] [2019-10-13 21:21:36,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:36,736 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:36,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:36,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:36,736 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 7 states. [2019-10-13 21:21:37,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:37,069 INFO L93 Difference]: Finished difference Result 245 states and 294 transitions. [2019-10-13 21:21:37,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:37,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 21:21:37,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:37,075 INFO L225 Difference]: With dead ends: 245 [2019-10-13 21:21:37,075 INFO L226 Difference]: Without dead ends: 188 [2019-10-13 21:21:37,076 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:37,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-10-13 21:21:37,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 168. [2019-10-13 21:21:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-10-13 21:21:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2019-10-13 21:21:37,119 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2019-10-13 21:21:37,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:37,120 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2019-10-13 21:21:37,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2019-10-13 21:21:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 21:21:37,122 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:37,122 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:37,123 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:37,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:37,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1651463691, now seen corresponding path program 1 times [2019-10-13 21:21:37,126 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:37,126 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009077581] [2019-10-13 21:21:37,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:37,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:37,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:37,311 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009077581] [2019-10-13 21:21:37,311 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:37,311 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:37,311 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97159221] [2019-10-13 21:21:37,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:37,312 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:37,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:37,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:37,313 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand 10 states. [2019-10-13 21:21:37,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:37,815 INFO L93 Difference]: Finished difference Result 552 states and 719 transitions. [2019-10-13 21:21:37,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:37,817 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2019-10-13 21:21:37,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:37,827 INFO L225 Difference]: With dead ends: 552 [2019-10-13 21:21:37,828 INFO L226 Difference]: Without dead ends: 408 [2019-10-13 21:21:37,834 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:37,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-10-13 21:21:37,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-10-13 21:21:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-13 21:21:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 490 transitions. [2019-10-13 21:21:37,901 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 490 transitions. Word has length 54 [2019-10-13 21:21:37,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:37,902 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 490 transitions. [2019-10-13 21:21:37,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 490 transitions. [2019-10-13 21:21:37,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 21:21:37,912 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:37,913 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:37,914 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:37,914 INFO L82 PathProgramCache]: Analyzing trace with hash 244560101, now seen corresponding path program 1 times [2019-10-13 21:21:37,914 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:37,917 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46196450] [2019-10-13 21:21:37,917 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:37,917 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:37,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:38,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46196450] [2019-10-13 21:21:38,037 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:38,037 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:38,037 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667070003] [2019-10-13 21:21:38,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:38,038 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:38,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:38,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:38,040 INFO L87 Difference]: Start difference. First operand 396 states and 490 transitions. Second operand 3 states. [2019-10-13 21:21:38,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:38,074 INFO L93 Difference]: Finished difference Result 693 states and 872 transitions. [2019-10-13 21:21:38,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:38,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-13 21:21:38,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:38,082 INFO L225 Difference]: With dead ends: 693 [2019-10-13 21:21:38,082 INFO L226 Difference]: Without dead ends: 354 [2019-10-13 21:21:38,085 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-10-13 21:21:38,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2019-10-13 21:21:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-10-13 21:21:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 416 transitions. [2019-10-13 21:21:38,121 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 416 transitions. Word has length 58 [2019-10-13 21:21:38,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:38,121 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 416 transitions. [2019-10-13 21:21:38,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 416 transitions. [2019-10-13 21:21:38,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:38,124 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:38,125 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:21:38,125 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:38,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:38,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1723103606, now seen corresponding path program 1 times [2019-10-13 21:21:38,126 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:38,126 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354346090] [2019-10-13 21:21:38,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:38,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:38,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:21:38,289 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354346090] [2019-10-13 21:21:38,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:38,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:38,290 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457806374] [2019-10-13 21:21:38,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:38,291 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:38,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:38,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:38,291 INFO L87 Difference]: Start difference. First operand 354 states and 416 transitions. Second operand 6 states. [2019-10-13 21:21:38,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:38,420 INFO L93 Difference]: Finished difference Result 360 states and 422 transitions. [2019-10-13 21:21:38,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:38,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-13 21:21:38,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:38,422 INFO L225 Difference]: With dead ends: 360 [2019-10-13 21:21:38,422 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:38,423 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:38,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:38,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:38,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-13 21:21:38,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:38,424 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:38,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:38,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:38,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:39,246 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 21:21:39,246 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-13 21:21:39,246 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-13 21:21:39,247 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2019-10-13 21:21:39,247 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-13 21:21:39,247 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-13 21:21:39,247 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-10-13 21:21:39,249 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-13 21:21:39,250 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-13 21:21:39,250 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2019-10-13 21:21:39,250 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 21:21:39,250 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-13 21:21:39,250 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-13 21:21:39,250 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-13 21:21:39,250 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-13 21:21:39,250 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 21:21:39,251 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-13 21:21:39,251 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-13 21:21:39,251 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2019-10-13 21:21:39,251 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2019-10-13 21:21:39,251 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2019-10-13 21:21:39,251 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2019-10-13 21:21:39,252 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2019-10-13 21:21:39,252 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2019-10-13 21:21:39,252 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2019-10-13 21:21:39,252 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 21:21:39,252 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2019-10-13 21:21:39,252 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-13 21:21:39,252 INFO L443 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2019-10-13 21:21:39,253 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2019-10-13 21:21:39,253 INFO L443 ceAbstractionStarter]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2019-10-13 21:21:39,253 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-10-13 21:21:39,253 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-13 21:21:39,254 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,254 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2019-10-13 21:21:39,255 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~5 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 21:21:39,255 INFO L439 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~5 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 21:21:39,255 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2019-10-13 21:21:39,255 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2019-10-13 21:21:39,256 INFO L443 ceAbstractionStarter]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2019-10-13 21:21:39,256 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-13 21:21:39,256 INFO L439 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,256 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,256 INFO L439 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,257 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-13 21:21:39,257 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-13 21:21:39,257 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2019-10-13 21:21:39,257 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-13 21:21:39,257 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-13 21:21:39,257 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2019-10-13 21:21:39,258 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2019-10-13 21:21:39,258 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-13 21:21:39,258 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-13 21:21:39,258 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-13 21:21:39,258 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-13 21:21:39,260 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-10-13 21:21:39,260 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-13 21:21:39,260 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-13 21:21:39,261 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-13 21:21:39,261 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-13 21:21:39,261 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-13 21:21:39,261 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2019-10-13 21:21:39,261 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 21:21:39,262 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 21:21:39,262 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2019-10-13 21:21:39,262 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-13 21:21:39,262 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2019-10-13 21:21:39,262 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2019-10-13 21:21:39,262 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2019-10-13 21:21:39,262 INFO L443 ceAbstractionStarter]: For program point L610-2(lines 610 618) no Hoare annotation was computed. [2019-10-13 21:21:39,262 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-13 21:21:39,263 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-13 21:21:39,263 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 603 638) no Hoare annotation was computed. [2019-10-13 21:21:39,263 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 630) no Hoare annotation was computed. [2019-10-13 21:21:39,263 INFO L443 ceAbstractionStarter]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2019-10-13 21:21:39,263 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 603 638) no Hoare annotation was computed. [2019-10-13 21:21:39,263 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 603 638) no Hoare annotation was computed. [2019-10-13 21:21:39,263 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 618) no Hoare annotation was computed. [2019-10-13 21:21:39,263 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2019-10-13 21:21:39,264 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2019-10-13 21:21:39,264 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-13 21:21:39,264 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-13 21:21:39,264 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2019-10-13 21:21:39,264 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 402) no Hoare annotation was computed. [2019-10-13 21:21:39,264 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2019-10-13 21:21:39,264 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2019-10-13 21:21:39,264 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-13 21:21:39,265 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-13 21:21:39,265 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 395) no Hoare annotation was computed. [2019-10-13 21:21:39,265 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,265 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2019-10-13 21:21:39,265 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2019-10-13 21:21:39,265 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 583 593) no Hoare annotation was computed. [2019-10-13 21:21:39,266 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 21:21:39,266 INFO L443 ceAbstractionStarter]: For program point L588-1(line 588) no Hoare annotation was computed. [2019-10-13 21:21:39,266 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 583 593) no Hoare annotation was computed. [2019-10-13 21:21:39,266 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 583 593) no Hoare annotation was computed. [2019-10-13 21:21:39,266 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2019-10-13 21:21:39,267 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2019-10-13 21:21:39,267 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2019-10-13 21:21:39,267 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2019-10-13 21:21:39,267 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2019-10-13 21:21:39,267 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,268 INFO L439 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,268 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2019-10-13 21:21:39,268 INFO L439 ceAbstractionStarter]: At program point L504-1(lines 498 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,268 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2019-10-13 21:21:39,269 INFO L443 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2019-10-13 21:21:39,269 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-10-13 21:21:39,269 INFO L439 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,269 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2019-10-13 21:21:39,269 INFO L443 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2019-10-13 21:21:39,270 INFO L439 ceAbstractionStarter]: At program point L513(lines 468 515) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,270 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,270 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-10-13 21:21:39,270 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2019-10-13 21:21:39,270 INFO L443 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2019-10-13 21:21:39,270 INFO L439 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,271 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2019-10-13 21:21:39,271 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-13 21:21:39,271 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2019-10-13 21:21:39,272 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-13 21:21:39,272 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2019-10-13 21:21:39,272 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 356) no Hoare annotation was computed. [2019-10-13 21:21:39,272 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2019-10-13 21:21:39,272 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 703 725) no Hoare annotation was computed. [2019-10-13 21:21:39,272 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 719) no Hoare annotation was computed. [2019-10-13 21:21:39,272 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 703 725) no Hoare annotation was computed. [2019-10-13 21:21:39,272 INFO L443 ceAbstractionStarter]: For program point L711-2(lines 711 719) no Hoare annotation was computed. [2019-10-13 21:21:39,273 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 703 725) no Hoare annotation was computed. [2019-10-13 21:21:39,273 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-13 21:21:39,273 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-13 21:21:39,273 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-13 21:21:39,273 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-10-13 21:21:39,273 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-13 21:21:39,273 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-13 21:21:39,273 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-13 21:21:39,273 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-13 21:21:39,274 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-13 21:21:39,274 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-13 21:21:39,274 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-13 21:21:39,274 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-13 21:21:39,274 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-10-13 21:21:39,274 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-13 21:21:39,274 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-13 21:21:39,275 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-13 21:21:39,275 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 419 428) no Hoare annotation was computed. [2019-10-13 21:21:39,275 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 419 428) no Hoare annotation was computed. [2019-10-13 21:21:39,275 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2019-10-13 21:21:39,275 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,275 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:39,276 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,276 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 567 574) no Hoare annotation was computed. [2019-10-13 21:21:39,276 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 567 574) no Hoare annotation was computed. [2019-10-13 21:21:39,276 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 567 574) no Hoare annotation was computed. [2019-10-13 21:21:39,276 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2019-10-13 21:21:39,277 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2019-10-13 21:21:39,277 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2019-10-13 21:21:39,277 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,277 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,277 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,277 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2019-10-13 21:21:39,278 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: true [2019-10-13 21:21:39,278 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2019-10-13 21:21:39,278 INFO L439 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 21:21:39,278 INFO L443 ceAbstractionStarter]: For program point L540(lines 539 558) no Hoare annotation was computed. [2019-10-13 21:21:39,279 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-13 21:21:39,279 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2019-10-13 21:21:39,279 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2019-10-13 21:21:39,279 INFO L439 ceAbstractionStarter]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0))) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-13 21:21:39,279 INFO L439 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-13 21:21:39,279 INFO L446 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2019-10-13 21:21:39,280 INFO L443 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2019-10-13 21:21:39,280 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2019-10-13 21:21:39,280 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2019-10-13 21:21:39,280 INFO L446 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2019-10-13 21:21:39,280 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-10-13 21:21:39,280 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-13 21:21:39,280 INFO L446 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2019-10-13 21:21:39,280 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-13 21:21:39,281 INFO L446 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2019-10-13 21:21:39,281 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 694 702) no Hoare annotation was computed. [2019-10-13 21:21:39,282 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 694 702) no Hoare annotation was computed. [2019-10-13 21:21:39,282 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 694 702) no Hoare annotation was computed. [2019-10-13 21:21:39,282 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2019-10-13 21:21:39,282 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2019-10-13 21:21:39,282 INFO L443 ceAbstractionStarter]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2019-10-13 21:21:39,282 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2019-10-13 21:21:39,283 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2019-10-13 21:21:39,283 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,283 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:21:39,283 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:39,283 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:39,283 INFO L443 ceAbstractionStarter]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2019-10-13 21:21:39,283 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2019-10-13 21:21:39,283 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:39,284 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:21:39,284 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:21:39,284 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:21:39,284 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:21:39,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:39 BoogieIcfgContainer [2019-10-13 21:21:39,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:39,318 INFO L168 Benchmark]: Toolchain (without parser) took 5392.11 ms. Allocated memory was 140.5 MB in the beginning and 282.1 MB in the end (delta: 141.6 MB). Free memory was 102.8 MB in the beginning and 208.1 MB in the end (delta: -105.3 MB). Peak memory consumption was 111.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,321 INFO L168 Benchmark]: CDTParser took 1.07 ms. Allocated memory is still 140.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.88 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 172.9 MB in the end (delta: -70.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,323 INFO L168 Benchmark]: Boogie Preprocessor took 91.64 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,328 INFO L168 Benchmark]: RCFGBuilder took 1051.03 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 168.5 MB in the beginning and 198.6 MB in the end (delta: -30.2 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,329 INFO L168 Benchmark]: TraceAbstraction took 3620.77 ms. Allocated memory was 235.4 MB in the beginning and 282.1 MB in the end (delta: 46.7 MB). Free memory was 198.6 MB in the beginning and 208.1 MB in the end (delta: -9.5 MB). Peak memory consumption was 112.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,336 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07 ms. Allocated memory is still 140.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.88 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 172.9 MB in the end (delta: -70.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.64 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1051.03 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 168.5 MB in the beginning and 198.6 MB in the end (delta: -30.2 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3620.77 ms. Allocated memory was 235.4 MB in the beginning and 282.1 MB in the end (delta: 46.7 MB). Free memory was 198.6 MB in the beginning and 208.1 MB in the end (delta: -9.5 MB). Peak memory consumption was 112.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 467]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 200 locations, 1 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 571 SDtfs, 365 SDslu, 1286 SDs, 0 SdLazy, 401 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=4, 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, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 361 PreInvPairs, 419 NumberOfFragments, 457 HoareAnnotationTreeSize, 361 FomulaSimplifications, 515 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1761 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 36013 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 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...