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_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:39,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:39,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:39,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:39,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:39,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:39,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:39,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:39,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:39,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:39,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:39,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:39,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:39,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:39,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:39,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:39,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:39,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:39,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:39,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:39,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:39,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:39,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:39,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:39,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:39,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:39,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:39,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:39,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:39,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:39,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:39,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:39,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:39,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:39,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:39,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:39,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:39,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:39,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:39,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:39,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:39,661 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 21:20:39,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:39,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:39,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:39,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:39,676 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:39,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:39,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:39,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:39,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:39,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:39,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:39,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:39,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:39,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:39,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:39,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:39,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:39,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:39,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:39,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:39,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:39,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:39,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:39,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:39,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:39,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:39,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:39,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:39,681 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 21:20:39,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:39,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:39,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:39,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:39,965 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:39,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-13 21:20:40,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c82333e/93b28f5e19cf4c28a47407ecddfcb590/FLAG1dcb2cb2f [2019-10-13 21:20:40,592 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:40,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-13 21:20:40,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c82333e/93b28f5e19cf4c28a47407ecddfcb590/FLAG1dcb2cb2f [2019-10-13 21:20:40,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c82333e/93b28f5e19cf4c28a47407ecddfcb590 [2019-10-13 21:20:40,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:40,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:40,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:40,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:40,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:40,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:40" (1/1) ... [2019-10-13 21:20:40,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa9dfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:40, skipping insertion in model container [2019-10-13 21:20:40,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:40" (1/1) ... [2019-10-13 21:20:40,935 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:41,000 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:41,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:41,536 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:41,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:41,692 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:41,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41 WrapperNode [2019-10-13 21:20:41,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:41,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:41,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:41,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:41,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41" (1/1) ... [2019-10-13 21:20:41,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41" (1/1) ... [2019-10-13 21:20:41,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41" (1/1) ... [2019-10-13 21:20:41,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41" (1/1) ... [2019-10-13 21:20:41,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41" (1/1) ... [2019-10-13 21:20:41,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41" (1/1) ... [2019-10-13 21:20:41,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41" (1/1) ... [2019-10-13 21:20:41,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:41,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:41,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:41,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:41,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41" (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 21:20:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:20:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:20:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:43,024 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:43,024 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:43,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:43 BoogieIcfgContainer [2019-10-13 21:20:43,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:43,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:43,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:43,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:43,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:40" (1/3) ... [2019-10-13 21:20:43,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fcabaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:43, skipping insertion in model container [2019-10-13 21:20:43,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:41" (2/3) ... [2019-10-13 21:20:43,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fcabaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:43, skipping insertion in model container [2019-10-13 21:20:43,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:43" (3/3) ... [2019-10-13 21:20:43,035 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2019-10-13 21:20:43,047 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:43,056 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:43,068 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:43,096 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:43,097 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:43,097 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:43,097 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:43,097 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:43,098 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:43,098 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:43,098 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-10-13 21:20:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:20:43,132 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:43,133 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 21:20:43,136 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:43,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:43,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1698741088, now seen corresponding path program 1 times [2019-10-13 21:20:43,153 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:43,153 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221513667] [2019-10-13 21:20:43,154 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:43,154 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:43,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:43,546 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 21:20:43,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221513667] [2019-10-13 21:20:43,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:43,549 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:43,549 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019716291] [2019-10-13 21:20:43,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:43,561 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:43,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:43,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:43,579 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2019-10-13 21:20:43,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:43,620 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2019-10-13 21:20:43,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:43,622 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-13 21:20:43,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:43,637 INFO L225 Difference]: With dead ends: 260 [2019-10-13 21:20:43,637 INFO L226 Difference]: Without dead ends: 132 [2019-10-13 21:20:43,642 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 21:20:43,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-13 21:20:43,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-10-13 21:20:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-13 21:20:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2019-10-13 21:20:43,747 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2019-10-13 21:20:43,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:43,749 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2019-10-13 21:20:43,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2019-10-13 21:20:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:43,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:43,759 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:43,759 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:43,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:43,762 INFO L82 PathProgramCache]: Analyzing trace with hash 160126664, now seen corresponding path program 1 times [2019-10-13 21:20:43,762 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:43,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349696636] [2019-10-13 21:20:43,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:43,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:43,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:43,937 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 21:20:43,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349696636] [2019-10-13 21:20:43,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:43,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:43,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500162008] [2019-10-13 21:20:43,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:43,941 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:43,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:43,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:43,942 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2019-10-13 21:20:43,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:43,964 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2019-10-13 21:20:43,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:43,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 21:20:43,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:43,967 INFO L225 Difference]: With dead ends: 205 [2019-10-13 21:20:43,967 INFO L226 Difference]: Without dead ends: 123 [2019-10-13 21:20:43,969 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 21:20:43,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-13 21:20:43,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-13 21:20:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-13 21:20:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2019-10-13 21:20:43,982 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2019-10-13 21:20:43,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:43,983 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2019-10-13 21:20:43,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2019-10-13 21:20:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:20:43,985 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:43,986 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] [2019-10-13 21:20:43,986 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:43,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:43,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1051645430, now seen corresponding path program 1 times [2019-10-13 21:20:43,987 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:43,987 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462771432] [2019-10-13 21:20:43,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:43,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:43,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:44,118 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 21:20:44,118 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462771432] [2019-10-13 21:20:44,118 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:44,119 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:44,119 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558927958] [2019-10-13 21:20:44,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:44,120 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:44,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:44,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:44,121 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2019-10-13 21:20:44,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:44,526 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2019-10-13 21:20:44,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:44,527 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 21:20:44,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:44,530 INFO L225 Difference]: With dead ends: 218 [2019-10-13 21:20:44,530 INFO L226 Difference]: Without dead ends: 123 [2019-10-13 21:20:44,532 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 21:20:44,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-13 21:20:44,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-13 21:20:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-13 21:20:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2019-10-13 21:20:44,554 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2019-10-13 21:20:44,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:44,554 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2019-10-13 21:20:44,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2019-10-13 21:20:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:20:44,557 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:44,558 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:44,558 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:44,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:44,559 INFO L82 PathProgramCache]: Analyzing trace with hash 23828646, now seen corresponding path program 1 times [2019-10-13 21:20:44,559 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:44,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212441317] [2019-10-13 21:20:44,559 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:44,560 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:44,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:44,704 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 21:20:44,705 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212441317] [2019-10-13 21:20:44,705 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:44,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:20:44,706 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399584537] [2019-10-13 21:20:44,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:44,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:44,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:44,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:20:44,707 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 5 states. [2019-10-13 21:20:45,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:45,188 INFO L93 Difference]: Finished difference Result 319 states and 387 transitions. [2019-10-13 21:20:45,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:45,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-13 21:20:45,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:45,192 INFO L225 Difference]: With dead ends: 319 [2019-10-13 21:20:45,192 INFO L226 Difference]: Without dead ends: 224 [2019-10-13 21:20:45,193 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:45,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-10-13 21:20:45,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 205. [2019-10-13 21:20:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-10-13 21:20:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2019-10-13 21:20:45,236 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2019-10-13 21:20:45,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:45,237 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2019-10-13 21:20:45,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2019-10-13 21:20:45,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:20:45,242 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:45,243 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:45,244 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:45,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:45,245 INFO L82 PathProgramCache]: Analyzing trace with hash 765865706, now seen corresponding path program 1 times [2019-10-13 21:20:45,245 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:45,245 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626040624] [2019-10-13 21:20:45,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:45,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:45,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:45,400 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 21:20:45,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626040624] [2019-10-13 21:20:45,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:45,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:45,402 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869366911] [2019-10-13 21:20:45,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:45,404 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:45,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:45,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:45,405 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 6 states. [2019-10-13 21:20:45,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:45,653 INFO L93 Difference]: Finished difference Result 541 states and 641 transitions. [2019-10-13 21:20:45,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:45,654 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-13 21:20:45,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:45,658 INFO L225 Difference]: With dead ends: 541 [2019-10-13 21:20:45,658 INFO L226 Difference]: Without dead ends: 364 [2019-10-13 21:20:45,660 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:20:45,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-13 21:20:45,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2019-10-13 21:20:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2019-10-13 21:20:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2019-10-13 21:20:45,698 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2019-10-13 21:20:45,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:45,700 INFO L462 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2019-10-13 21:20:45,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:45,701 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2019-10-13 21:20:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:20:45,703 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:45,703 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:45,703 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:45,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1305842374, now seen corresponding path program 1 times [2019-10-13 21:20:45,704 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:45,704 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519455135] [2019-10-13 21:20:45,705 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:45,705 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:45,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:45,831 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 21:20:45,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519455135] [2019-10-13 21:20:45,832 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:45,832 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:45,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640423254] [2019-10-13 21:20:45,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:45,835 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:45,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:45,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:45,836 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 7 states. [2019-10-13 21:20:46,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:46,405 INFO L93 Difference]: Finished difference Result 719 states and 848 transitions. [2019-10-13 21:20:46,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:46,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2019-10-13 21:20:46,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:46,409 INFO L225 Difference]: With dead ends: 719 [2019-10-13 21:20:46,409 INFO L226 Difference]: Without dead ends: 389 [2019-10-13 21:20:46,410 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:20:46,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-13 21:20:46,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2019-10-13 21:20:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-10-13 21:20:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2019-10-13 21:20:46,463 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2019-10-13 21:20:46,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:46,464 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2019-10-13 21:20:46,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2019-10-13 21:20:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:20:46,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:46,467 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:46,468 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:46,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:46,468 INFO L82 PathProgramCache]: Analyzing trace with hash -638509814, now seen corresponding path program 1 times [2019-10-13 21:20:46,468 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:46,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367239327] [2019-10-13 21:20:46,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:46,469 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:46,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:46,542 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 21:20:46,543 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367239327] [2019-10-13 21:20:46,543 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:46,543 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:46,543 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598347609] [2019-10-13 21:20:46,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:46,544 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:46,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:46,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:46,545 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 6 states. [2019-10-13 21:20:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:46,583 INFO L93 Difference]: Finished difference Result 696 states and 806 transitions. [2019-10-13 21:20:46,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:46,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-10-13 21:20:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:46,587 INFO L225 Difference]: With dead ends: 696 [2019-10-13 21:20:46,587 INFO L226 Difference]: Without dead ends: 367 [2019-10-13 21:20:46,588 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:46,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-10-13 21:20:46,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2019-10-13 21:20:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-13 21:20:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2019-10-13 21:20:46,612 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2019-10-13 21:20:46,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:46,612 INFO L462 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2019-10-13 21:20:46,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2019-10-13 21:20:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:20:46,614 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:46,614 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:46,615 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:46,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:46,615 INFO L82 PathProgramCache]: Analyzing trace with hash 63090060, now seen corresponding path program 1 times [2019-10-13 21:20:46,615 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:46,615 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987801395] [2019-10-13 21:20:46,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:46,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:46,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:46,764 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 21:20:46,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987801395] [2019-10-13 21:20:46,764 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:46,765 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:46,765 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063441221] [2019-10-13 21:20:46,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:46,765 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:46,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:46,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:46,766 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 8 states. [2019-10-13 21:20:46,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:46,839 INFO L93 Difference]: Finished difference Result 720 states and 840 transitions. [2019-10-13 21:20:46,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:46,840 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2019-10-13 21:20:46,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:46,843 INFO L225 Difference]: With dead ends: 720 [2019-10-13 21:20:46,843 INFO L226 Difference]: Without dead ends: 381 [2019-10-13 21:20:46,844 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:46,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-10-13 21:20:46,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2019-10-13 21:20:46,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-10-13 21:20:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2019-10-13 21:20:46,865 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2019-10-13 21:20:46,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:46,866 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2019-10-13 21:20:46,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2019-10-13 21:20:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:20:46,867 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:46,868 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:46,868 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:46,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:46,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1788570957, now seen corresponding path program 1 times [2019-10-13 21:20:46,869 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:46,869 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032850624] [2019-10-13 21:20:46,869 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:46,869 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:46,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:46,941 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 21:20:46,942 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032850624] [2019-10-13 21:20:46,943 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:46,943 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:46,944 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939439559] [2019-10-13 21:20:46,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:46,944 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:46,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:46,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:46,946 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 4 states. [2019-10-13 21:20:47,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:47,172 INFO L93 Difference]: Finished difference Result 1132 states and 1352 transitions. [2019-10-13 21:20:47,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:47,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-10-13 21:20:47,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:47,177 INFO L225 Difference]: With dead ends: 1132 [2019-10-13 21:20:47,178 INFO L226 Difference]: Without dead ends: 785 [2019-10-13 21:20:47,179 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:47,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2019-10-13 21:20:47,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 507. [2019-10-13 21:20:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2019-10-13 21:20:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2019-10-13 21:20:47,216 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 89 [2019-10-13 21:20:47,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:47,217 INFO L462 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2019-10-13 21:20:47,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2019-10-13 21:20:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:20:47,219 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:47,220 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:47,220 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:47,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:47,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1370895219, now seen corresponding path program 1 times [2019-10-13 21:20:47,220 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:47,221 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477227359] [2019-10-13 21:20:47,221 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:47,221 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:47,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:47,316 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 21:20:47,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477227359] [2019-10-13 21:20:47,317 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:47,317 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:47,317 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910924459] [2019-10-13 21:20:47,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:47,318 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:47,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:47,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:47,319 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 3 states. [2019-10-13 21:20:47,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:47,370 INFO L93 Difference]: Finished difference Result 776 states and 888 transitions. [2019-10-13 21:20:47,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:47,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2019-10-13 21:20:47,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:47,376 INFO L225 Difference]: With dead ends: 776 [2019-10-13 21:20:47,376 INFO L226 Difference]: Without dead ends: 773 [2019-10-13 21:20:47,377 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 21:20:47,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-10-13 21:20:47,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 647. [2019-10-13 21:20:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2019-10-13 21:20:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 738 transitions. [2019-10-13 21:20:47,416 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 738 transitions. Word has length 93 [2019-10-13 21:20:47,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:47,416 INFO L462 AbstractCegarLoop]: Abstraction has 647 states and 738 transitions. [2019-10-13 21:20:47,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:47,417 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 738 transitions. [2019-10-13 21:20:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-13 21:20:47,420 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:47,421 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:47,421 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:47,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:47,422 INFO L82 PathProgramCache]: Analyzing trace with hash -669184687, now seen corresponding path program 1 times [2019-10-13 21:20:47,422 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:47,422 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25290430] [2019-10-13 21:20:47,422 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:47,422 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:47,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:47,580 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:20:47,581 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25290430] [2019-10-13 21:20:47,581 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659805524] [2019-10-13 21:20:47,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:47,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:47,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:20:48,110 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:20:48,656 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:48,657 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:48,657 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216074571] [2019-10-13 21:20:48,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:48,658 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:48,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:48,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:48,659 INFO L87 Difference]: Start difference. First operand 647 states and 738 transitions. Second operand 8 states. [2019-10-13 21:20:49,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:49,013 INFO L93 Difference]: Finished difference Result 1212 states and 1390 transitions. [2019-10-13 21:20:49,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:49,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2019-10-13 21:20:49,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:49,019 INFO L225 Difference]: With dead ends: 1212 [2019-10-13 21:20:49,019 INFO L226 Difference]: Without dead ends: 593 [2019-10-13 21:20:49,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:49,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-10-13 21:20:49,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 564. [2019-10-13 21:20:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-10-13 21:20:49,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 634 transitions. [2019-10-13 21:20:49,066 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 634 transitions. Word has length 152 [2019-10-13 21:20:49,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:49,069 INFO L462 AbstractCegarLoop]: Abstraction has 564 states and 634 transitions. [2019-10-13 21:20:49,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 634 transitions. [2019-10-13 21:20:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-13 21:20:49,072 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:49,072 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:49,277 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:49,277 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:49,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:49,278 INFO L82 PathProgramCache]: Analyzing trace with hash 906656976, now seen corresponding path program 1 times [2019-10-13 21:20:49,278 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:49,278 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541074569] [2019-10-13 21:20:49,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:49,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:49,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:20:49,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541074569] [2019-10-13 21:20:49,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426917185] [2019-10-13 21:20:49,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:49,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:20:49,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:49,708 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:20:49,892 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:49,892 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-13 21:20:49,893 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565378710] [2019-10-13 21:20:49,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:49,893 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:49,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:49,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:49,894 INFO L87 Difference]: Start difference. First operand 564 states and 634 transitions. Second operand 3 states. [2019-10-13 21:20:49,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:49,962 INFO L93 Difference]: Finished difference Result 909 states and 1031 transitions. [2019-10-13 21:20:49,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:49,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-13 21:20:49,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:49,964 INFO L225 Difference]: With dead ends: 909 [2019-10-13 21:20:49,964 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:49,966 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:49,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:49,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:49,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2019-10-13 21:20:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:49,967 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:49,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:49,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:50,173 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:50,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:51,019 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-10-13 21:20:51,244 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2019-10-13 21:20:51,441 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2019-10-13 21:20:51,608 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2019-10-13 21:20:51,851 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-10-13 21:20:52,168 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-10-13 21:20:52,327 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2019-10-13 21:20:52,592 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-13 21:20:52,819 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-13 21:20:53,120 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2019-10-13 21:20:53,302 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2019-10-13 21:20:53,541 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-13 21:20:53,701 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2019-10-13 21:20:53,906 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2019-10-13 21:20:54,169 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-10-13 21:20:54,436 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2019-10-13 21:20:54,679 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-13 21:20:54,855 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-10-13 21:20:55,282 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2019-10-13 21:20:55,483 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2019-10-13 21:20:55,659 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2019-10-13 21:20:56,087 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-10-13 21:20:56,201 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 20 [2019-10-13 21:20:56,341 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-10-13 21:20:56,556 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-13 21:20:56,847 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-13 21:20:56,850 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-10-13 21:20:56,851 INFO L443 ceAbstractionStarter]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2019-10-13 21:20:56,851 INFO L443 ceAbstractionStarter]: For program point L662(line 662) no Hoare annotation was computed. [2019-10-13 21:20:56,851 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 682) no Hoare annotation was computed. [2019-10-13 21:20:56,851 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 636 691) no Hoare annotation was computed. [2019-10-13 21:20:56,851 INFO L443 ceAbstractionStarter]: For program point L683(lines 660 684) no Hoare annotation was computed. [2019-10-13 21:20:56,851 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 636 691) no Hoare annotation was computed. [2019-10-13 21:20:56,851 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 636 691) no Hoare annotation was computed. [2019-10-13 21:20:56,852 INFO L443 ceAbstractionStarter]: For program point L737(line 737) no Hoare annotation was computed. [2019-10-13 21:20:56,852 INFO L443 ceAbstractionStarter]: For program point L737-1(line 737) no Hoare annotation was computed. [2019-10-13 21:20:56,852 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 692 751) no Hoare annotation was computed. [2019-10-13 21:20:56,852 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 728) no Hoare annotation was computed. [2019-10-13 21:20:56,852 INFO L443 ceAbstractionStarter]: For program point L724-1(lines 724 728) no Hoare annotation was computed. [2019-10-13 21:20:56,852 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-10-13 21:20:56,853 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 692 751) no Hoare annotation was computed. [2019-10-13 21:20:56,853 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 743) no Hoare annotation was computed. [2019-10-13 21:20:56,853 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 692 751) no Hoare annotation was computed. [2019-10-13 21:20:56,853 INFO L443 ceAbstractionStarter]: For program point L744(lines 717 745) no Hoare annotation was computed. [2019-10-13 21:20:56,853 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2019-10-13 21:20:56,853 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2019-10-13 21:20:56,853 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:20:56,853 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2019-10-13 21:20:56,853 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:20:56,854 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,854 INFO L439 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,854 INFO L439 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,854 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2019-10-13 21:20:56,855 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2019-10-13 21:20:56,855 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 21:20:56,855 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2019-10-13 21:20:56,855 INFO L439 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,855 INFO L439 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,856 INFO L439 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,856 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2019-10-13 21:20:56,856 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 423 446) no Hoare annotation was computed. [2019-10-13 21:20:56,856 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 423 446) no Hoare annotation was computed. [2019-10-13 21:20:56,856 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 423 446) no Hoare annotation was computed. [2019-10-13 21:20:56,856 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-10-13 21:20:56,856 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-13 21:20:56,856 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-13 21:20:56,857 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-13 21:20:56,857 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-13 21:20:56,857 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-13 21:20:56,857 INFO L443 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2019-10-13 21:20:56,857 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-13 21:20:56,857 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-13 21:20:56,857 INFO L443 ceAbstractionStarter]: For program point L432(line 432) no Hoare annotation was computed. [2019-10-13 21:20:56,857 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-13 21:20:56,858 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 21:20:56,858 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-13 21:20:56,858 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-13 21:20:56,858 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2019-10-13 21:20:56,858 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2019-10-13 21:20:56,858 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2019-10-13 21:20:56,858 INFO L443 ceAbstractionStarter]: For program point L288(line 288) no Hoare annotation was computed. [2019-10-13 21:20:56,859 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-13 21:20:56,859 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 285) no Hoare annotation was computed. [2019-10-13 21:20:56,859 INFO L443 ceAbstractionStarter]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2019-10-13 21:20:56,859 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 258 293) no Hoare annotation was computed. [2019-10-13 21:20:56,859 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 273) no Hoare annotation was computed. [2019-10-13 21:20:56,859 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2019-10-13 21:20:56,859 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 258 293) no Hoare annotation was computed. [2019-10-13 21:20:56,859 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 258 293) no Hoare annotation was computed. [2019-10-13 21:20:56,860 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2019-10-13 21:20:56,860 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2019-10-13 21:20:56,860 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 590 635) no Hoare annotation was computed. [2019-10-13 21:20:56,860 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 590 635) no Hoare annotation was computed. [2019-10-13 21:20:56,860 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 590 635) no Hoare annotation was computed. [2019-10-13 21:20:56,860 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 930) no Hoare annotation was computed. [2019-10-13 21:20:56,860 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 903 948) no Hoare annotation was computed. [2019-10-13 21:20:56,860 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 937) no Hoare annotation was computed. [2019-10-13 21:20:56,860 INFO L443 ceAbstractionStarter]: For program point L917-1(lines 917 937) no Hoare annotation was computed. [2019-10-13 21:20:56,860 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 903 948) no Hoare annotation was computed. [2019-10-13 21:20:56,861 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 903 948) no Hoare annotation was computed. [2019-10-13 21:20:56,861 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,861 INFO L439 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,861 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2019-10-13 21:20:56,861 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2019-10-13 21:20:56,861 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2019-10-13 21:20:56,861 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2019-10-13 21:20:56,862 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2019-10-13 21:20:56,862 INFO L446 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2019-10-13 21:20:56,862 INFO L443 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2019-10-13 21:20:56,862 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (or (not (<= 1 ~methaneLevelCritical~0)) .cse2)) (or .cse0 (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1))) [2019-10-13 21:20:56,862 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2019-10-13 21:20:56,862 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2019-10-13 21:20:56,862 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2019-10-13 21:20:56,863 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2019-10-13 21:20:56,863 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2019-10-13 21:20:56,863 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2019-10-13 21:20:56,863 INFO L439 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 (or .cse1 .cse2)) (or .cse4 (or .cse5 .cse1)) (or .cse5 .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 21:20:56,863 INFO L443 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2019-10-13 21:20:56,863 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2019-10-13 21:20:56,864 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or (or .cse4 .cse3 .cse5) .cse6) (or .cse0 (or .cse3 .cse5) .cse1) (or .cse2 .cse6 (or .cse4 .cse3) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 21:20:56,864 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (or .cse0 .cse2)) (or .cse1 .cse2 .cse4) (or .cse3 (or .cse2 .cse4) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:20:56,864 INFO L439 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse0 .cse2) (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse4 (or .cse2 .cse3) .cse5))) [2019-10-13 21:20:56,864 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2019-10-13 21:20:56,864 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse2 (or .cse4 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse3 .cse5) (or .cse0 (or .cse3 .cse5) .cse1))) [2019-10-13 21:20:56,865 INFO L443 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2019-10-13 21:20:56,865 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-10-13 21:20:56,865 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2019-10-13 21:20:56,865 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2019-10-13 21:20:56,865 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,866 INFO L439 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:56,866 INFO L439 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:56,866 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2019-10-13 21:20:56,866 INFO L443 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2019-10-13 21:20:56,866 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2019-10-13 21:20:56,866 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2019-10-13 21:20:56,866 INFO L439 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:56,867 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-10-13 21:20:56,867 INFO L439 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse2 .cse3 .cse4) .cse5) (and .cse0 .cse1 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse3 .cse4) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:56,867 INFO L443 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2019-10-13 21:20:56,867 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse2 .cse3 .cse4) .cse5) (and .cse0 .cse1 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse3 .cse4) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:56,867 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2019-10-13 21:20:56,867 INFO L439 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:56,867 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2019-10-13 21:20:56,867 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2019-10-13 21:20:56,868 INFO L443 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2019-10-13 21:20:56,868 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 857 902) no Hoare annotation was computed. [2019-10-13 21:20:56,868 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 857 902) no Hoare annotation was computed. [2019-10-13 21:20:56,868 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 857 902) no Hoare annotation was computed. [2019-10-13 21:20:56,868 INFO L443 ceAbstractionStarter]: For program point L877(lines 877 884) no Hoare annotation was computed. [2019-10-13 21:20:56,868 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 891) no Hoare annotation was computed. [2019-10-13 21:20:56,868 INFO L443 ceAbstractionStarter]: For program point L871-1(lines 871 891) no Hoare annotation was computed. [2019-10-13 21:20:56,868 INFO L443 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-10-13 21:20:56,869 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse5 .cse6 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-10-13 21:20:56,869 INFO L439 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2019-10-13 21:20:56,869 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-10-13 21:20:56,869 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2019-10-13 21:20:56,869 INFO L439 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse4 .cse7) (or .cse1 .cse6 .cse3 .cse4 (not .cse2) .cse5) (or .cse0 (or .cse4 .cse7)))) [2019-10-13 21:20:56,869 INFO L443 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2019-10-13 21:20:56,869 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2019-10-13 21:20:56,869 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2019-10-13 21:20:56,869 INFO L443 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse5 .cse6 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-10-13 21:20:56,870 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 553) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point L545-2(lines 545 553) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 537 559) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 94 103) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 94 103) no Hoare annotation was computed. [2019-10-13 21:20:56,870 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 94 103) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L803-2(lines 803 823) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 754 856) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L824(lines 802 825) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 799) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 850) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 754 856) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L804(lines 803 823) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 841) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 754 856) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 782) no Hoare annotation was computed. [2019-10-13 21:20:56,871 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 853) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 809) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:20:56,872 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 21:20:56,872 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L446 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2019-10-13 21:20:56,872 INFO L443 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L443 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2019-10-13 21:20:56,872 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2019-10-13 21:20:56,873 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2019-10-13 21:20:56,873 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2019-10-13 21:20:56,873 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 560 568) no Hoare annotation was computed. [2019-10-13 21:20:56,873 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2019-10-13 21:20:56,873 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4) (or .cse5 (or .cse2 .cse3 .cse6) .cse4) (or .cse7 (or .cse0 .cse3) .cse1) (or .cse7 .cse5 (or .cse3 .cse6) .cse4))) [2019-10-13 21:20:56,873 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2019-10-13 21:20:56,873 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2019-10-13 21:20:56,873 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:56,873 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:56,873 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:56,873 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2019-10-13 21:20:56,874 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2019-10-13 21:20:56,874 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2019-10-13 21:20:56,874 INFO L439 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) (or .cse3 .cse4) .cse5) (or .cse6 .cse0 .cse7 .cse4) (or .cse6 (or .cse4 .cse8) .cse7) (or .cse0 .cse3 .cse9 .cse4 .cse10 .cse5) (or .cse1 (or .cse3 .cse4 .cse8) .cse5) (or .cse3 (and .cse9 .cse2) .cse4 .cse10 .cse5 .cse8))) [2019-10-13 21:20:56,874 INFO L439 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= 1 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (not .cse12)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (and .cse12 .cse2)) (.cse6 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 (or .cse5 .cse6) .cse7) (or .cse3 (or .cse5 .cse6 .cse8) (and .cse0 .cse1) .cse7) (or .cse9 .cse3 (or .cse6 .cse8) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse9 .cse4 .cse3 .cse6) (or .cse4 .cse5 .cse10 .cse6 .cse11 .cse7) (or .cse5 .cse10 .cse6 .cse11 .cse7 .cse8)))) [2019-10-13 21:20:56,874 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (or .cse3 .cse4) .cse2) (or .cse1 (or .cse5 .cse3) .cse6) (or (or .cse5 .cse3 .cse4) .cse6))) [2019-10-13 21:20:56,874 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse7 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse7)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse4) (or .cse6 .cse0 (or .cse1 .cse2) .cse4) (or .cse1 .cse8 .cse2 .cse9 .cse4 .cse3) (or .cse5 .cse6 .cse10 .cse2) (or .cse5 (or .cse2 .cse3) .cse10) (or .cse6 .cse1 .cse8 .cse2 .cse9 .cse4)))) [2019-10-13 21:20:56,874 INFO L443 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2019-10-13 21:20:56,874 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2019-10-13 21:20:56,875 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2019-10-13 21:20:56,875 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2019-10-13 21:20:56,875 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-13 21:20:56,875 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2019-10-13 21:20:56,875 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2019-10-13 21:20:56,875 INFO L446 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2019-10-13 21:20:56,875 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-13 21:20:56,875 INFO L446 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2019-10-13 21:20:56,875 INFO L446 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2019-10-13 21:20:56,876 INFO L443 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2019-10-13 21:20:56,876 INFO L446 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2019-10-13 21:20:56,876 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2019-10-13 21:20:56,876 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2019-10-13 21:20:56,876 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2019-10-13 21:20:56,876 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2019-10-13 21:20:56,876 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2019-10-13 21:20:56,876 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:56,876 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-13 21:20:56,876 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:56,876 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:56,877 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2019-10-13 21:20:56,877 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse2 .cse3) .cse0) (or .cse6 .cse0 (or .cse1 .cse2) .cse4) (or .cse5 .cse6 .cse0 .cse2))) [2019-10-13 21:20:56,877 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2019-10-13 21:20:56,877 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 21:20:56,877 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:20:56,877 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2019-10-13 21:20:56,877 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2019-10-13 21:20:56,877 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse0 .cse1)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 (or .cse3 .cse0) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse3 .cse0 .cse1) .cse2))) [2019-10-13 21:20:56,878 INFO L439 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (not (= 1 ~waterLevel~0)) (= ~pumpRunning~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse2 .cse3)))) [2019-10-13 21:20:56,878 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-10-13 21:20:56,878 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 21:20:56,878 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-13 21:20:56,878 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2019-10-13 21:20:56,878 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2019-10-13 21:20:56,878 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2019-10-13 21:20:56,878 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-10-13 21:20:56,878 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:20:56,878 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:20:56,878 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:20:56,879 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:20:56,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:56 BoogieIcfgContainer [2019-10-13 21:20:56,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:56,897 INFO L168 Benchmark]: Toolchain (without parser) took 15978.60 ms. Allocated memory was 137.4 MB in the beginning and 458.8 MB in the end (delta: 321.4 MB). Free memory was 101.2 MB in the beginning and 391.5 MB in the end (delta: -290.3 MB). Peak memory consumption was 339.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:56,897 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 21:20:56,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.93 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 166.2 MB in the end (delta: -65.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:56,899 INFO L168 Benchmark]: Boogie Preprocessor took 88.34 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 162.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:56,900 INFO L168 Benchmark]: RCFGBuilder took 1244.26 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 161.2 MB in the beginning and 194.6 MB in the end (delta: -33.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:56,901 INFO L168 Benchmark]: TraceAbstraction took 13867.45 ms. Allocated memory was 232.3 MB in the beginning and 458.8 MB in the end (delta: 226.5 MB). Free memory was 192.9 MB in the beginning and 391.5 MB in the end (delta: -198.6 MB). Peak memory consumption was 336.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:56,904 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.93 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 166.2 MB in the end (delta: -65.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.34 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 162.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1244.26 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 161.2 MB in the beginning and 194.6 MB in the end (delta: -33.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13867.45 ms. Allocated memory was 232.3 MB in the beginning and 458.8 MB in the end (delta: 226.5 MB). Free memory was 192.9 MB in the beginning and 391.5 MB in the end (delta: -198.6 MB). Peak memory consumption was 336.0 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: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) && 1 <= methaneLevelCritical)) || !(\old(systemActive) == 1)) || ((1 <= methaneLevelCritical && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Result: SAFE, OverallTime: 13.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, HoareTripleCheckerStatistics: 1984 SDtfs, 1047 SDslu, 3705 SDs, 0 SdLazy, 1237 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 727 GetRequests, 644 SyntacticMatches, 7 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1359 PreInvPairs, 1417 NumberOfFragments, 2532 HoareAnnotationTreeSize, 1359 FomulaSimplifications, 4810 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 8106 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1658 ConstructedInterpolants, 0 QuantifiedInterpolants, 318276 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1852 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 275/291 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...