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_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:07,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:07,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:07,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:07,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:07,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:07,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:07,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:07,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:07,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:07,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:07,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:07,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:07,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:07,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:07,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:07,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:07,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:07,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:07,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:07,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:07,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:07,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:07,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:07,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:07,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:07,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:07,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:07,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:07,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:07,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:07,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:07,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:07,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:07,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:07,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:07,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:07,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:07,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:07,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:07,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:07,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:19:07,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:07,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:07,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:07,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:07,667 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:07,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:07,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:07,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:07,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:07,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:07,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:07,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:07,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:07,669 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:07,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:07,670 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:07,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:07,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:07,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:07,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:07,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:07,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:07,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:07,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:07,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:07,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:07,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:07,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:07,673 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 [2019-10-15 01:19:07,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:07,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:08,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:08,003 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:08,004 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:08,004 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-10-15 01:19:08,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfdb11830/cc4e2ad5c3804f99a3ee36ee6569debb/FLAG062693f95 [2019-10-15 01:19:08,678 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:08,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-10-15 01:19:08,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfdb11830/cc4e2ad5c3804f99a3ee36ee6569debb/FLAG062693f95 [2019-10-15 01:19:08,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfdb11830/cc4e2ad5c3804f99a3ee36ee6569debb [2019-10-15 01:19:08,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:08,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:08,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:08,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:08,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:08,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:08" (1/1) ... [2019-10-15 01:19:08,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6909b1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08, skipping insertion in model container [2019-10-15 01:19:08,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:08" (1/1) ... [2019-10-15 01:19:08,970 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:09,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:09,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:09,493 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:09,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:09,650 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:09,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09 WrapperNode [2019-10-15 01:19:09,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:09,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:09,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:09,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:09,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09" (1/1) ... [2019-10-15 01:19:09,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09" (1/1) ... [2019-10-15 01:19:09,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09" (1/1) ... [2019-10-15 01:19:09,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09" (1/1) ... [2019-10-15 01:19:09,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09" (1/1) ... [2019-10-15 01:19:09,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09" (1/1) ... [2019-10-15 01:19:09,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09" (1/1) ... [2019-10-15 01:19:09,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:09,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:09,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:09,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:09,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:19:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:19:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:19:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:19:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:19:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:19:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:19:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:19:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:11,046 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:11,047 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:11,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:11 BoogieIcfgContainer [2019-10-15 01:19:11,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:11,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:11,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:11,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:11,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:08" (1/3) ... [2019-10-15 01:19:11,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8170e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:11, skipping insertion in model container [2019-10-15 01:19:11,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:09" (2/3) ... [2019-10-15 01:19:11,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8170e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:11, skipping insertion in model container [2019-10-15 01:19:11,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:11" (3/3) ... [2019-10-15 01:19:11,061 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2019-10-15 01:19:11,070 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:11,081 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:11,093 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:11,123 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:11,123 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:11,123 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:11,124 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:11,124 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:11,124 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:11,124 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:11,124 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:11,148 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-10-15 01:19:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:11,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,160 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:11,162 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,168 INFO L82 PathProgramCache]: Analyzing trace with hash -868868404, now seen corresponding path program 1 times [2019-10-15 01:19:11,178 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865181890] [2019-10-15 01:19:11,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:11,544 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865181890] [2019-10-15 01:19:11,545 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:11,546 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:11,546 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199728837] [2019-10-15 01:19:11,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:11,555 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:11,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:11,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:11,583 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-10-15 01:19:11,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:11,637 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2019-10-15 01:19:11,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:11,638 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:11,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:11,655 INFO L225 Difference]: With dead ends: 300 [2019-10-15 01:19:11,655 INFO L226 Difference]: Without dead ends: 150 [2019-10-15 01:19:11,660 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:11,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-15 01:19:11,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-15 01:19:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-15 01:19:11,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2019-10-15 01:19:11,721 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2019-10-15 01:19:11,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:11,722 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2019-10-15 01:19:11,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2019-10-15 01:19:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:11,726 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,726 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:11,726 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,727 INFO L82 PathProgramCache]: Analyzing trace with hash -276167130, now seen corresponding path program 1 times [2019-10-15 01:19:11,727 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67148701] [2019-10-15 01:19:11,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:11,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67148701] [2019-10-15 01:19:11,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:11,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:11,848 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696341313] [2019-10-15 01:19:11,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:11,850 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:11,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:11,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:11,851 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2019-10-15 01:19:11,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:11,905 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2019-10-15 01:19:11,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:11,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:11,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:11,910 INFO L225 Difference]: With dead ends: 239 [2019-10-15 01:19:11,910 INFO L226 Difference]: Without dead ends: 141 [2019-10-15 01:19:11,912 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-15 01:19:11,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-15 01:19:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-15 01:19:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2019-10-15 01:19:11,928 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2019-10-15 01:19:11,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:11,929 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2019-10-15 01:19:11,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2019-10-15 01:19:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:11,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,934 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] [2019-10-15 01:19:11,934 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,934 INFO L82 PathProgramCache]: Analyzing trace with hash 106155889, now seen corresponding path program 1 times [2019-10-15 01:19:11,934 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973446000] [2019-10-15 01:19:11,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:12,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973446000] [2019-10-15 01:19:12,083 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,083 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:12,083 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132236822] [2019-10-15 01:19:12,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:12,086 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:12,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:12,086 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2019-10-15 01:19:12,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:12,680 INFO L93 Difference]: Finished difference Result 425 states and 512 transitions. [2019-10-15 01:19:12,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:12,681 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:19:12,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:12,687 INFO L225 Difference]: With dead ends: 425 [2019-10-15 01:19:12,687 INFO L226 Difference]: Without dead ends: 308 [2019-10-15 01:19:12,688 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 [2019-10-15 01:19:12,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-10-15 01:19:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 296. [2019-10-15 01:19:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-10-15 01:19:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 356 transitions. [2019-10-15 01:19:12,765 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 356 transitions. Word has length 52 [2019-10-15 01:19:12,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:12,766 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 356 transitions. [2019-10-15 01:19:12,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 356 transitions. [2019-10-15 01:19:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:19:12,772 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:12,772 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] [2019-10-15 01:19:12,773 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:12,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:12,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1448124188, now seen corresponding path program 1 times [2019-10-15 01:19:12,776 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:12,776 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099596860] [2019-10-15 01:19:12,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:12,909 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099596860] [2019-10-15 01:19:12,909 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,910 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:12,911 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34419296] [2019-10-15 01:19:12,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:12,912 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:12,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:12,913 INFO L87 Difference]: Start difference. First operand 296 states and 356 transitions. Second operand 6 states. [2019-10-15 01:19:13,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:13,158 INFO L93 Difference]: Finished difference Result 825 states and 1016 transitions. [2019-10-15 01:19:13,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:13,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-15 01:19:13,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:13,165 INFO L225 Difference]: With dead ends: 825 [2019-10-15 01:19:13,165 INFO L226 Difference]: Without dead ends: 553 [2019-10-15 01:19:13,167 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:13,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-10-15 01:19:13,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2019-10-15 01:19:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2019-10-15 01:19:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 662 transitions. [2019-10-15 01:19:13,211 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 662 transitions. Word has length 57 [2019-10-15 01:19:13,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:13,212 INFO L462 AbstractCegarLoop]: Abstraction has 547 states and 662 transitions. [2019-10-15 01:19:13,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 662 transitions. [2019-10-15 01:19:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:19:13,215 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:13,215 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] [2019-10-15 01:19:13,216 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:13,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:13,216 INFO L82 PathProgramCache]: Analyzing trace with hash -432580704, now seen corresponding path program 1 times [2019-10-15 01:19:13,216 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:13,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846306930] [2019-10-15 01:19:13,217 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,217 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:13,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846306930] [2019-10-15 01:19:13,336 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:13,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:13,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692666119] [2019-10-15 01:19:13,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:13,338 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:13,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:13,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:13,341 INFO L87 Difference]: Start difference. First operand 547 states and 662 transitions. Second operand 7 states. [2019-10-15 01:19:14,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:14,108 INFO L93 Difference]: Finished difference Result 1406 states and 1819 transitions. [2019-10-15 01:19:14,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:14,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-15 01:19:14,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:14,118 INFO L225 Difference]: With dead ends: 1406 [2019-10-15 01:19:14,119 INFO L226 Difference]: Without dead ends: 883 [2019-10-15 01:19:14,121 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:14,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2019-10-15 01:19:14,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 785. [2019-10-15 01:19:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-10-15 01:19:14,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 947 transitions. [2019-10-15 01:19:14,210 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 947 transitions. Word has length 61 [2019-10-15 01:19:14,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:14,210 INFO L462 AbstractCegarLoop]: Abstraction has 785 states and 947 transitions. [2019-10-15 01:19:14,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 947 transitions. [2019-10-15 01:19:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:19:14,215 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:14,216 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:14,216 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:14,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:14,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2030363971, now seen corresponding path program 1 times [2019-10-15 01:19:14,217 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:14,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166439621] [2019-10-15 01:19:14,217 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,218 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:14,346 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166439621] [2019-10-15 01:19:14,347 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:14,347 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:14,348 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489580319] [2019-10-15 01:19:14,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:14,348 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:14,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:14,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:14,349 INFO L87 Difference]: Start difference. First operand 785 states and 947 transitions. Second operand 6 states. [2019-10-15 01:19:14,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:14,420 INFO L93 Difference]: Finished difference Result 1574 states and 1958 transitions. [2019-10-15 01:19:14,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:14,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-10-15 01:19:14,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:14,426 INFO L225 Difference]: With dead ends: 1574 [2019-10-15 01:19:14,427 INFO L226 Difference]: Without dead ends: 813 [2019-10-15 01:19:14,429 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 [2019-10-15 01:19:14,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2019-10-15 01:19:14,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 805. [2019-10-15 01:19:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2019-10-15 01:19:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2019-10-15 01:19:14,517 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 99 [2019-10-15 01:19:14,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:14,518 INFO L462 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2019-10-15 01:19:14,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2019-10-15 01:19:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:19:14,521 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:14,521 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:14,521 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:14,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:14,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1136877633, now seen corresponding path program 1 times [2019-10-15 01:19:14,522 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:14,522 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660617946] [2019-10-15 01:19:14,522 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,522 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:14,604 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660617946] [2019-10-15 01:19:14,604 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:14,604 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:14,604 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888777944] [2019-10-15 01:19:14,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:14,605 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:14,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:14,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:14,606 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 8 states. [2019-10-15 01:19:14,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:14,663 INFO L93 Difference]: Finished difference Result 1614 states and 1998 transitions. [2019-10-15 01:19:14,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:14,664 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-10-15 01:19:14,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:14,669 INFO L225 Difference]: With dead ends: 1614 [2019-10-15 01:19:14,669 INFO L226 Difference]: Without dead ends: 833 [2019-10-15 01:19:14,672 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 [2019-10-15 01:19:14,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2019-10-15 01:19:14,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 821. [2019-10-15 01:19:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2019-10-15 01:19:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 983 transitions. [2019-10-15 01:19:14,718 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 983 transitions. Word has length 99 [2019-10-15 01:19:14,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:14,718 INFO L462 AbstractCegarLoop]: Abstraction has 821 states and 983 transitions. [2019-10-15 01:19:14,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 983 transitions. [2019-10-15 01:19:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:19:14,721 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:14,722 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:14,722 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:14,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:14,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1144636992, now seen corresponding path program 1 times [2019-10-15 01:19:14,723 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:14,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530528815] [2019-10-15 01:19:14,723 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,723 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:14,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530528815] [2019-10-15 01:19:14,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:14,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:14,796 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028903869] [2019-10-15 01:19:14,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:14,797 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:14,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:14,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:14,797 INFO L87 Difference]: Start difference. First operand 821 states and 983 transitions. Second operand 4 states. [2019-10-15 01:19:15,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:15,080 INFO L93 Difference]: Finished difference Result 2603 states and 3266 transitions. [2019-10-15 01:19:15,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:15,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-10-15 01:19:15,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:15,093 INFO L225 Difference]: With dead ends: 2603 [2019-10-15 01:19:15,093 INFO L226 Difference]: Without dead ends: 1806 [2019-10-15 01:19:15,097 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 [2019-10-15 01:19:15,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2019-10-15 01:19:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1775. [2019-10-15 01:19:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2019-10-15 01:19:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2179 transitions. [2019-10-15 01:19:15,270 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2179 transitions. Word has length 99 [2019-10-15 01:19:15,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:15,271 INFO L462 AbstractCegarLoop]: Abstraction has 1775 states and 2179 transitions. [2019-10-15 01:19:15,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2179 transitions. [2019-10-15 01:19:15,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:15,275 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,275 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:15,276 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1694878310, now seen corresponding path program 1 times [2019-10-15 01:19:15,277 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941435625] [2019-10-15 01:19:15,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:15,423 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941435625] [2019-10-15 01:19:15,424 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781348731] [2019-10-15 01:19:15,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:15,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,819 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:16,825 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:16,825 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:16,825 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539244238] [2019-10-15 01:19:16,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:16,826 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:16,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:16,827 INFO L87 Difference]: Start difference. First operand 1775 states and 2179 transitions. Second operand 8 states. [2019-10-15 01:19:17,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,275 INFO L93 Difference]: Finished difference Result 3500 states and 4314 transitions. [2019-10-15 01:19:17,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:17,276 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:19:17,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,287 INFO L225 Difference]: With dead ends: 3500 [2019-10-15 01:19:17,288 INFO L226 Difference]: Without dead ends: 1749 [2019-10-15 01:19:17,293 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:17,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2019-10-15 01:19:17,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1749. [2019-10-15 01:19:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1749 states. [2019-10-15 01:19:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2103 transitions. [2019-10-15 01:19:17,397 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2103 transitions. Word has length 103 [2019-10-15 01:19:17,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,397 INFO L462 AbstractCegarLoop]: Abstraction has 1749 states and 2103 transitions. [2019-10-15 01:19:17,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2103 transitions. [2019-10-15 01:19:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-15 01:19:17,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:17,407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:17,614 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:17,614 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:17,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:17,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1454051763, now seen corresponding path program 1 times [2019-10-15 01:19:17,615 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:17,615 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36717388] [2019-10-15 01:19:17,615 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:19:17,826 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36717388] [2019-10-15 01:19:17,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001310954] [2019-10-15 01:19:17,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:19:18,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,126 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:19:18,387 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:18,388 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-15 01:19:18,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579388638] [2019-10-15 01:19:18,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:18,389 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:18,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:18,390 INFO L87 Difference]: Start difference. First operand 1749 states and 2103 transitions. Second operand 5 states. [2019-10-15 01:19:19,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:19,096 INFO L93 Difference]: Finished difference Result 3828 states and 4871 transitions. [2019-10-15 01:19:19,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:19,097 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2019-10-15 01:19:19,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:19,120 INFO L225 Difference]: With dead ends: 3828 [2019-10-15 01:19:19,121 INFO L226 Difference]: Without dead ends: 2427 [2019-10-15 01:19:19,131 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:19,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2427 states. [2019-10-15 01:19:19,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2427 to 2213. [2019-10-15 01:19:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2213 states. [2019-10-15 01:19:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2713 transitions. [2019-10-15 01:19:19,297 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2713 transitions. Word has length 161 [2019-10-15 01:19:19,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:19,298 INFO L462 AbstractCegarLoop]: Abstraction has 2213 states and 2713 transitions. [2019-10-15 01:19:19,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2713 transitions. [2019-10-15 01:19:19,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-15 01:19:19,307 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:19,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:19,514 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:19,514 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:19,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:19,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1284440909, now seen corresponding path program 1 times [2019-10-15 01:19:19,515 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:19,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321005852] [2019-10-15 01:19:19,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:19:19,717 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321005852] [2019-10-15 01:19:19,718 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460457715] [2019-10-15 01:19:19,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:19:19,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:20,113 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:20,213 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:19:20,239 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:19:20,240 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:19:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:19:20,457 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:20,457 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-10-15 01:19:20,457 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376765993] [2019-10-15 01:19:20,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:19:20,458 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:20,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:19:20,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-10-15 01:19:20,459 INFO L87 Difference]: Start difference. First operand 2213 states and 2713 transitions. Second operand 9 states. [2019-10-15 01:19:22,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:22,084 INFO L93 Difference]: Finished difference Result 5617 states and 7591 transitions. [2019-10-15 01:19:22,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-15 01:19:22,084 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-10-15 01:19:22,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:22,107 INFO L225 Difference]: With dead ends: 5617 [2019-10-15 01:19:22,107 INFO L226 Difference]: Without dead ends: 3764 [2019-10-15 01:19:22,114 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 310 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-10-15 01:19:22,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2019-10-15 01:19:22,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 2979. [2019-10-15 01:19:22,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2979 states. [2019-10-15 01:19:22,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 3683 transitions. [2019-10-15 01:19:22,291 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 3683 transitions. Word has length 157 [2019-10-15 01:19:22,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:22,292 INFO L462 AbstractCegarLoop]: Abstraction has 2979 states and 3683 transitions. [2019-10-15 01:19:22,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:19:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 3683 transitions. [2019-10-15 01:19:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-15 01:19:22,297 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:22,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:22,502 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:22,503 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:22,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:22,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1009681295, now seen corresponding path program 1 times [2019-10-15 01:19:22,504 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:22,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023510366] [2019-10-15 01:19:22,504 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:22,504 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:22,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 01:19:22,612 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023510366] [2019-10-15 01:19:22,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:22,612 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:19:22,612 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676389740] [2019-10-15 01:19:22,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:19:22,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:22,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:19:22,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:22,614 INFO L87 Difference]: Start difference. First operand 2979 states and 3683 transitions. Second operand 9 states. [2019-10-15 01:19:22,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:22,702 INFO L93 Difference]: Finished difference Result 3975 states and 4887 transitions. [2019-10-15 01:19:22,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:19:22,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-10-15 01:19:22,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:22,704 INFO L225 Difference]: With dead ends: 3975 [2019-10-15 01:19:22,704 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:22,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:22,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:22,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:22,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:22,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-15 01:19:22,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:22,716 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:22,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:19:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:22,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:22,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:22,984 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 58 [2019-10-15 01:19:23,420 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 75 [2019-10-15 01:19:24,403 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-10-15 01:19:24,562 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2019-10-15 01:19:24,880 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2019-10-15 01:19:25,007 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-10-15 01:19:25,320 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 36 [2019-10-15 01:19:25,571 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-10-15 01:19:25,854 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 27 [2019-10-15 01:19:26,370 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 45 [2019-10-15 01:19:26,644 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 35 [2019-10-15 01:19:26,881 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2019-10-15 01:19:27,132 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2019-10-15 01:19:27,257 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-10-15 01:19:27,448 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 20 [2019-10-15 01:19:27,687 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2019-10-15 01:19:27,899 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2019-10-15 01:19:28,069 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2019-10-15 01:19:28,293 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2019-10-15 01:19:28,817 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 33 [2019-10-15 01:19:29,497 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 41 [2019-10-15 01:19:29,764 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2019-10-15 01:19:29,987 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2019-10-15 01:19:30,059 INFO L443 ceAbstractionStarter]: For program point L380(lines 357 381) no Hoare annotation was computed. [2019-10-15 01:19:30,059 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 333 388) no Hoare annotation was computed. [2019-10-15 01:19:30,059 INFO L443 ceAbstractionStarter]: For program point L364(lines 364 368) no Hoare annotation was computed. [2019-10-15 01:19:30,060 INFO L443 ceAbstractionStarter]: For program point L364-1(lines 364 368) no Hoare annotation was computed. [2019-10-15 01:19:30,060 INFO L443 ceAbstractionStarter]: For program point L359(line 359) no Hoare annotation was computed. [2019-10-15 01:19:30,060 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 333 388) no Hoare annotation was computed. [2019-10-15 01:19:30,060 INFO L443 ceAbstractionStarter]: For program point L358-2(lines 358 379) no Hoare annotation was computed. [2019-10-15 01:19:30,060 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 333 388) no Hoare annotation was computed. [2019-10-15 01:19:30,060 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-15 01:19:30,060 INFO L443 ceAbstractionStarter]: For program point L415-2(lines 415 440) no Hoare annotation was computed. [2019-10-15 01:19:30,060 INFO L443 ceAbstractionStarter]: For program point L441(lines 414 442) no Hoare annotation was computed. [2019-10-15 01:19:30,060 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 389 448) no Hoare annotation was computed. [2019-10-15 01:19:30,061 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-15 01:19:30,061 INFO L443 ceAbstractionStarter]: For program point L434-1(line 434) no Hoare annotation was computed. [2019-10-15 01:19:30,061 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 389 448) no Hoare annotation was computed. [2019-10-15 01:19:30,061 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 389 448) no Hoare annotation was computed. [2019-10-15 01:19:30,061 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 425) no Hoare annotation was computed. [2019-10-15 01:19:30,061 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 421 425) no Hoare annotation was computed. [2019-10-15 01:19:30,061 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 985 991) the Hoare annotation is: true [2019-10-15 01:19:30,061 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 985 991) no Hoare annotation was computed. [2019-10-15 01:19:30,061 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 992 1000) no Hoare annotation was computed. [2019-10-15 01:19:30,061 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 992 1000) the Hoare annotation is: true [2019-10-15 01:19:30,061 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 992 1000) no Hoare annotation was computed. [2019-10-15 01:19:30,062 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:19:30,062 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-15 01:19:30,062 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,062 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,062 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,062 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,063 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-15 01:19:30,063 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-15 01:19:30,063 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,063 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,063 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:19:30,064 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:19:30,064 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-15 01:19:30,064 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:19:30,064 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-15 01:19:30,064 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:19:30,064 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-15 01:19:30,064 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-15 01:19:30,064 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-15 01:19:30,065 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-15 01:19:30,065 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-15 01:19:30,065 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-15 01:19:30,065 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-15 01:19:30,065 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-15 01:19:30,065 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-15 01:19:30,065 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-15 01:19:30,065 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-15 01:19:30,066 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-15 01:19:30,066 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 943 957) no Hoare annotation was computed. [2019-10-15 01:19:30,066 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 943 957) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse6 (= |old(~systemActive~0)| 0)) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse5 (or .cse1 .cse8)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 .cse4)) (or (or .cse5 .cse4) .cse2) (or (or (or .cse0 .cse6) .cse4) .cse7) (or .cse7 (or (or .cse6 .cse8) .cse4)) (or .cse5 .cse2 .cse3)))) [2019-10-15 01:19:30,066 INFO L439 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (or .cse6 .cse5)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (or (or .cse2 .cse3) .cse1) .cse4) (or .cse4 (or (or .cse3 .cse5) .cse1)) (or .cse2 .cse6 (not (<= 1 ~waterLevel~0)))))) [2019-10-15 01:19:30,066 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 943 957) no Hoare annotation was computed. [2019-10-15 01:19:30,066 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-10-15 01:19:30,066 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 860 868) no Hoare annotation was computed. [2019-10-15 01:19:30,066 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 860 868) the Hoare annotation is: true [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 860 868) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 924 942) the Hoare annotation is: true [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 924 942) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 937) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L446 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: true [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point L931-1(line 931) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 924 942) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 896) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point L888-2(lines 888 896) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 869 904) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 884) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point L876-2(lines 876 884) no Hoare annotation was computed. [2019-10-15 01:19:30,067 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 869 904) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point L899(line 899) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 869 904) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point L899-1(line 899) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 978 984) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 978 984) the Hoare annotation is: true [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 287 332) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 287 332) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 287 332) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 600 645) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 627) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 600 645) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 634) no Hoare annotation was computed. [2019-10-15 01:19:30,068 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 600 645) no Hoare annotation was computed. [2019-10-15 01:19:30,069 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 634) no Hoare annotation was computed. [2019-10-15 01:19:30,069 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,069 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-15 01:19:30,069 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-15 01:19:30,069 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 849 859) the Hoare annotation is: true [2019-10-15 01:19:30,069 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 849 859) no Hoare annotation was computed. [2019-10-15 01:19:30,069 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 849 859) no Hoare annotation was computed. [2019-10-15 01:19:30,069 INFO L446 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2019-10-15 01:19:30,070 INFO L443 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2019-10-15 01:19:30,070 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,070 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2019-10-15 01:19:30,070 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2019-10-15 01:19:30,070 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2019-10-15 01:19:30,070 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 229 242) no Hoare annotation was computed. [2019-10-15 01:19:30,070 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 229 242) the Hoare annotation is: true [2019-10-15 01:19:30,070 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 229 242) no Hoare annotation was computed. [2019-10-15 01:19:30,071 INFO L439 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~systemActive~0 0)) (.cse6 (not (<= 1 ~waterLevel~0))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~7))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse1 .cse6 .cse7) (or .cse4 .cse0 .cse1 .cse5) (or .cse1 .cse6 .cse7 .cse3))) [2019-10-15 01:19:30,071 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 806) no Hoare annotation was computed. [2019-10-15 01:19:30,071 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse7 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse4 .cse2 .cse5) (or .cse4 .cse2 .cse7 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse1 .cse4 .cse2 .cse7))) [2019-10-15 01:19:30,071 INFO L443 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2019-10-15 01:19:30,071 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 811) no Hoare annotation was computed. [2019-10-15 01:19:30,071 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 790 814) no Hoare annotation was computed. [2019-10-15 01:19:30,072 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 790 814) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,072 INFO L439 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1))) [2019-10-15 01:19:30,072 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 790 814) no Hoare annotation was computed. [2019-10-15 01:19:30,072 INFO L439 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:30,072 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 756 762) no Hoare annotation was computed. [2019-10-15 01:19:30,072 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 756 762) the Hoare annotation is: true [2019-10-15 01:19:30,072 INFO L439 ceAbstractionStarter]: At program point L706-1(lines 698 713) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse6) (and .cse4 .cse1 .cse5 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,073 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 658 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,073 INFO L443 ceAbstractionStarter]: For program point L669(lines 668 717) no Hoare annotation was computed. [2019-10-15 01:19:30,073 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse1 (<= 1 ~waterLevel~0) .cse4) (and .cse1 .cse2 .cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2019-10-15 01:19:30,073 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 713) no Hoare annotation was computed. [2019-10-15 01:19:30,073 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 658 725) no Hoare annotation was computed. [2019-10-15 01:19:30,073 INFO L439 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,074 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-10-15 01:19:30,074 INFO L443 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2019-10-15 01:19:30,074 INFO L439 ceAbstractionStarter]: At program point L715(lines 668 717) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,074 INFO L439 ceAbstractionStarter]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and (and .cse1 .cse2) (<= 1 ~methaneLevelCritical~0)) (<= 1 ~waterLevel~0)))) [2019-10-15 01:19:30,074 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2019-10-15 01:19:30,074 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2019-10-15 01:19:30,075 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2019-10-15 01:19:30,075 INFO L439 ceAbstractionStarter]: At program point L718(lines 667 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,075 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse5 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse5 .cse6) (and .cse1 .cse2 .cse4 .cse3))) [2019-10-15 01:19:30,075 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 658 725) no Hoare annotation was computed. [2019-10-15 01:19:30,075 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-10-15 01:19:30,075 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 581) no Hoare annotation was computed. [2019-10-15 01:19:30,075 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 554 599) no Hoare annotation was computed. [2019-10-15 01:19:30,075 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 588) no Hoare annotation was computed. [2019-10-15 01:19:30,076 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 588) no Hoare annotation was computed. [2019-10-15 01:19:30,076 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 554 599) no Hoare annotation was computed. [2019-10-15 01:19:30,076 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 554 599) no Hoare annotation was computed. [2019-10-15 01:19:30,076 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 815 822) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:30,076 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 815 822) no Hoare annotation was computed. [2019-10-15 01:19:30,076 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 815 822) no Hoare annotation was computed. [2019-10-15 01:19:30,076 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 243 251) no Hoare annotation was computed. [2019-10-15 01:19:30,076 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 243 251) the Hoare annotation is: true [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 243 251) no Hoare annotation was computed. [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 197 219) no Hoare annotation was computed. [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 197 219) no Hoare annotation was computed. [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 197 219) no Hoare annotation was computed. [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 451 553) no Hoare annotation was computed. [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 550) no Hoare annotation was computed. [2019-10-15 01:19:30,077 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 506) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point L500-2(lines 500 520) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point L521(lines 499 522) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 451 553) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 496) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 547) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point L501(lines 500 520) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 451 553) no Hoare annotation was computed. [2019-10-15 01:19:30,078 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 538) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point L516(line 516) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 968 977) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 968 977) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 968 977) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 837) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L439 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point L829-1(line 829) no Hoare annotation was computed. [2019-10-15 01:19:30,079 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 824 840) no Hoare annotation was computed. [2019-10-15 01:19:30,080 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 824 840) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:19:30,080 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:30,080 INFO L443 ceAbstractionStarter]: For program point L835-1(lines 824 840) no Hoare annotation was computed. [2019-10-15 01:19:30,080 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 220 228) no Hoare annotation was computed. [2019-10-15 01:19:30,080 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2019-10-15 01:19:30,080 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2019-10-15 01:19:30,080 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 905 923) no Hoare annotation was computed. [2019-10-15 01:19:30,080 INFO L446 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: true [2019-10-15 01:19:30,080 INFO L443 ceAbstractionStarter]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2019-10-15 01:19:30,080 INFO L443 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2019-10-15 01:19:30,080 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 905 923) the Hoare annotation is: true [2019-10-15 01:19:30,080 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 905 923) no Hoare annotation was computed. [2019-10-15 01:19:30,080 INFO L443 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2019-10-15 01:19:30,081 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse4 (or .cse1 .cse3 .cse6)) (or .cse0 .cse1 .cse2 .cse5) (or (or (= ~systemActive~0 0) .cse3 .cse6) .cse4))) [2019-10-15 01:19:30,081 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2019-10-15 01:19:30,081 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2019-10-15 01:19:30,081 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,081 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,081 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,081 INFO L443 ceAbstractionStarter]: For program point L736(lines 735 754) no Hoare annotation was computed. [2019-10-15 01:19:30,082 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 732 755) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= 1 ~waterLevel~0) .cse9)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~systemActive~0 0)) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse9 .cse10)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse4 .cse3) .cse5) (or .cse0 .cse1 .cse6 .cse7) (or .cse1 .cse6 .cse7 .cse8) (or (or .cse4 .cse3 .cse8) .cse5) (or .cse1 .cse2 .cse3 .cse8)))) [2019-10-15 01:19:30,082 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 732 755) no Hoare annotation was computed. [2019-10-15 01:19:30,082 INFO L439 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse9 (not (= 0 ~systemActive~0)))) (let ((.cse1 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse9)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~systemActive~0 0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse0 .cse5 .cse6) (or (or .cse7 .cse5 .cse3) .cse8) (or (or .cse0 .cse5 .cse3) .cse6) (or (or .cse4 .cse7 .cse5) .cse8)))) [2019-10-15 01:19:30,082 INFO L439 ceAbstractionStarter]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (and .cse5 .cse9)) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (and .cse9 .cse11))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0 (and (<= 2 ~waterLevel~0) .cse5)) (or .cse1 .cse6 .cse7 .cse8) (or .cse6 (and .cse7 .cse9) .cse8 .cse4) (or .cse10 (or .cse6 .cse3 .cse4) (and (not (= 0 ~systemActive~0)) .cse11)) (or .cse1 .cse6 (not (<= 1 |old(~waterLevel~0)|)) .cse10)))) [2019-10-15 01:19:30,082 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 732 755) no Hoare annotation was computed. [2019-10-15 01:19:30,082 INFO L439 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse2) .cse4) (or .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or (or .cse3 .cse2 .cse5) .cse4) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-15 01:19:30,082 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-15 01:19:30,082 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-15 01:19:30,082 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-15 01:19:30,082 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-15 01:19:30,082 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-15 01:19:30,083 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-15 01:19:30,083 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-15 01:19:30,083 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-15 01:19:30,083 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-15 01:19:30,083 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-15 01:19:30,083 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2019-10-15 01:19:30,083 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2019-10-15 01:19:30,083 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2019-10-15 01:19:30,083 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse0))) [2019-10-15 01:19:30,083 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2019-10-15 01:19:30,084 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2019-10-15 01:19:30,084 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-15 01:19:30,084 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-15 01:19:30,084 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,084 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)) [2019-10-15 01:19:30,084 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:30,084 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,084 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 958 965) no Hoare annotation was computed. [2019-10-15 01:19:30,085 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 958 965) the Hoare annotation is: true [2019-10-15 01:19:30,085 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 958 965) no Hoare annotation was computed. [2019-10-15 01:19:30,085 INFO L443 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2019-10-15 01:19:30,085 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 764 788) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-10-15 01:19:30,085 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 785) no Hoare annotation was computed. [2019-10-15 01:19:30,085 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 764 788) no Hoare annotation was computed. [2019-10-15 01:19:30,085 INFO L439 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse5 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse5))) [2019-10-15 01:19:30,086 INFO L443 ceAbstractionStarter]: For program point L783-1(lines 764 788) no Hoare annotation was computed. [2019-10-15 01:19:30,086 INFO L439 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse2 .cse0 .cse1 (<= ~waterLevel~0 1) .cse3))) [2019-10-15 01:19:30,086 INFO L439 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,086 INFO L443 ceAbstractionStarter]: For program point L772(lines 772 780) no Hoare annotation was computed. [2019-10-15 01:19:30,086 INFO L439 ceAbstractionStarter]: At program point L770(line 770) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-10-15 01:19:30,086 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2019-10-15 01:19:30,086 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2019-10-15 01:19:30,087 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (let ((.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (not (<= 2 |old(~waterLevel~0)|)) (or (= ~systemActive~0 0) .cse4)) (or .cse2 .cse1 (or .cse3 .cse4)) (or .cse0 .cse3 .cse5 .cse6) (or .cse3 .cse5 .cse6 .cse4))) [2019-10-15 01:19:30,087 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 647 654) no Hoare annotation was computed. [2019-10-15 01:19:30,087 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 647 654) the Hoare annotation is: true [2019-10-15 01:19:30,087 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2019-10-15 01:19:30,087 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 647 654) no Hoare annotation was computed. [2019-10-15 01:19:30,087 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 255 279) the Hoare annotation is: true [2019-10-15 01:19:30,087 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 255 279) no Hoare annotation was computed. [2019-10-15 01:19:30,088 INFO L439 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0) (or .cse3 .cse4 .cse1))) [2019-10-15 01:19:30,088 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 273) no Hoare annotation was computed. [2019-10-15 01:19:30,088 INFO L439 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-10-15 01:19:30,088 INFO L443 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2019-10-15 01:19:30,088 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 276) no Hoare annotation was computed. [2019-10-15 01:19:30,088 INFO L443 ceAbstractionStarter]: For program point L263-1(lines 255 279) no Hoare annotation was computed. [2019-10-15 01:19:30,088 INFO L446 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2019-10-15 01:19:30,088 INFO L443 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2019-10-15 01:19:30,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:30 BoogieIcfgContainer [2019-10-15 01:19:30,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:30,107 INFO L168 Benchmark]: Toolchain (without parser) took 21156.39 ms. Allocated memory was 137.4 MB in the beginning and 593.0 MB in the end (delta: 455.6 MB). Free memory was 100.9 MB in the beginning and 146.0 MB in the end (delta: -45.1 MB). Peak memory consumption was 477.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,108 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.66 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.7 MB in the beginning and 167.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,109 INFO L168 Benchmark]: Boogie Preprocessor took 96.07 ms. Allocated memory is still 201.3 MB. Free memory was 167.8 MB in the beginning and 163.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,110 INFO L168 Benchmark]: RCFGBuilder took 1300.49 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.7 MB in the beginning and 193.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,111 INFO L168 Benchmark]: TraceAbstraction took 19054.40 ms. Allocated memory was 232.3 MB in the beginning and 593.0 MB in the end (delta: 360.7 MB). Free memory was 191.6 MB in the beginning and 146.0 MB in the end (delta: 45.6 MB). Peak memory consumption was 473.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,115 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.66 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.7 MB in the beginning and 167.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.07 ms. Allocated memory is still 201.3 MB. Free memory was 167.8 MB in the beginning and 163.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1300.49 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.7 MB in the beginning and 193.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19054.40 ms. Allocated memory was 232.3 MB in the beginning and 593.0 MB in the end (delta: 360.7 MB). Free memory was 191.6 MB in the beginning and 146.0 MB in the end (delta: 45.6 MB). Peak memory consumption was 473.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: 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: 667]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && !(0 == systemActive)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Result: SAFE, OverallTime: 18.9s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, HoareTripleCheckerStatistics: 2352 SDtfs, 1471 SDslu, 5800 SDs, 0 SdLazy, 2898 SolverSat, 528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 972 GetRequests, 859 SyntacticMatches, 12 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2979occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 1166 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 5125 PreInvPairs, 5349 NumberOfFragments, 2417 HoareAnnotationTreeSize, 5125 FomulaSimplifications, 19292 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 68 FomulaSimplificationsInter, 21544 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1559 NumberOfCodeBlocks, 1559 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1962 ConstructedInterpolants, 0 QuantifiedInterpolants, 399506 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2611 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 255/275 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...