/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:24:54,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:24:54,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:24:54,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:24:54,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:24:54,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:24:54,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:24:54,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:24:54,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:24:54,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:24:54,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:24:54,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:24:54,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:24:54,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:24:54,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:24:54,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:24:54,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:24:54,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:24:54,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:24:54,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:24:54,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:24:54,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:24:54,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:24:54,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:24:54,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:24:54,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:24:54,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:24:54,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:24:54,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:24:54,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:24:54,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:24:54,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:24:54,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:24:54,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:24:54,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:24:54,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:24:54,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:24:54,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:24:54,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:24:54,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:24:54,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:24:54,808 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 [2020-07-20 16:24:54,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:24:54,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:24:54,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:24:54,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:24:54,836 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:24:54,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:24:54,836 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:24:54,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:24:54,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:24:54,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:24:54,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:24:54,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:24:54,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:24:54,839 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:24:54,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:24:54,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:24:54,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:24:54,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:24:54,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:24:54,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:24:54,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:24:54,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:24:54,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:24:54,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:24:54,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:24:54,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:24:54,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:54,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:24:54,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:24:54,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:24:55,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:24:55,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:24:55,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:24:55,151 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:24:55,151 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:24:55,152 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-07-20 16:24:55,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d49af204/39d57a6c09aa4762b1b5d0462fd25e00/FLAGa2e200f8f [2020-07-20 16:24:55,810 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:24:55,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-07-20 16:24:55,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d49af204/39d57a6c09aa4762b1b5d0462fd25e00/FLAGa2e200f8f [2020-07-20 16:24:56,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d49af204/39d57a6c09aa4762b1b5d0462fd25e00 [2020-07-20 16:24:56,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:24:56,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:24:56,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:56,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:24:56,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:24:56,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:56" (1/1) ... [2020-07-20 16:24:56,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679b7502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56, skipping insertion in model container [2020-07-20 16:24:56,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:56" (1/1) ... [2020-07-20 16:24:56,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:24:56,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:24:56,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:56,533 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:24:56,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:56,755 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:24:56,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56 WrapperNode [2020-07-20 16:24:56,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:56,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:24:56,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:24:56,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:24:56,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56" (1/1) ... [2020-07-20 16:24:56,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56" (1/1) ... [2020-07-20 16:24:56,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56" (1/1) ... [2020-07-20 16:24:56,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56" (1/1) ... [2020-07-20 16:24:56,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56" (1/1) ... [2020-07-20 16:24:56,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56" (1/1) ... [2020-07-20 16:24:56,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56" (1/1) ... [2020-07-20 16:24:56,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:24:56,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:24:56,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:24:56,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:24:56,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56" (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 [2020-07-20 16:24:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:24:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:24:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:24:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:24:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:24:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:24:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:24:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:24:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:24:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:24:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:24:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:24:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:24:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:24:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:24:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 16:24:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:24:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:24:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:24:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:24:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:24:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:24:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:24:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:24:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:24:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:24:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:24:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:24:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:24:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:24:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:24:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:24:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:24:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:24:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:24:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:24:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:24:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:24:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:24:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:24:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 16:24:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:24:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:24:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:24:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:24:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:24:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:24:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:24:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:24:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:24:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:24:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:24:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:24:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:24:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:24:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:24:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:24:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:24:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:24:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:24:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:24:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:24:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:24:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:24:58,135 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:24:58,135 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:24:58,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:58 BoogieIcfgContainer [2020-07-20 16:24:58,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:24:58,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:24:58,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:24:58,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:24:58,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:56" (1/3) ... [2020-07-20 16:24:58,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656cd10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:58, skipping insertion in model container [2020-07-20 16:24:58,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:56" (2/3) ... [2020-07-20 16:24:58,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656cd10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:58, skipping insertion in model container [2020-07-20 16:24:58,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:58" (3/3) ... [2020-07-20 16:24:58,150 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2020-07-20 16:24:58,162 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:24:58,170 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:24:58,185 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:24:58,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:24:58,211 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:24:58,211 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:24:58,211 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:24:58,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:24:58,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:24:58,212 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:24:58,212 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:24:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-20 16:24:58,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:24:58,246 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:58,248 INFO L422 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] [2020-07-20 16:24:58,248 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:58,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:58,255 INFO L82 PathProgramCache]: Analyzing trace with hash 144748064, now seen corresponding path program 1 times [2020-07-20 16:24:58,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:58,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277167402] [2020-07-20 16:24:58,265 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:58,731 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:58,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:58,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:24:58,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:58,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:58,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277167402] [2020-07-20 16:24:58,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:58,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:24:58,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844065484] [2020-07-20 16:24:58,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:24:58,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:58,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:24:58,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:24:58,811 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2020-07-20 16:24:58,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:58,862 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2020-07-20 16:24:58,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:24:58,864 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:24:58,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:58,879 INFO L225 Difference]: With dead ends: 252 [2020-07-20 16:24:58,880 INFO L226 Difference]: Without dead ends: 126 [2020-07-20 16:24:58,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:24:58,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-20 16:24:58,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-07-20 16:24:58,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-20 16:24:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-20 16:24:58,953 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-07-20 16:24:58,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:58,954 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-20 16:24:58,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:24:58,954 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-20 16:24:58,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:24:58,958 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:58,959 INFO L422 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] [2020-07-20 16:24:59,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:59,173 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:59,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:59,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1374578105, now seen corresponding path program 1 times [2020-07-20 16:24:59,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:59,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993168134] [2020-07-20 16:24:59,175 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:59,652 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:59,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:59,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:24:59,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:59,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:24:59,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:59,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993168134] [2020-07-20 16:24:59,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:59,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:59,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182467440] [2020-07-20 16:24:59,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:59,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:59,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:59,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:59,713 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2020-07-20 16:24:59,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:59,756 INFO L93 Difference]: Finished difference Result 197 states and 229 transitions. [2020-07-20 16:24:59,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:59,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:24:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:59,763 INFO L225 Difference]: With dead ends: 197 [2020-07-20 16:24:59,763 INFO L226 Difference]: Without dead ends: 117 [2020-07-20 16:24:59,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-20 16:24:59,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-20 16:24:59,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-20 16:24:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-07-20 16:24:59,790 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2020-07-20 16:24:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:59,794 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-07-20 16:24:59,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-07-20 16:24:59,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:24:59,798 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:59,798 INFO L422 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] [2020-07-20 16:25:00,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:00,003 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:00,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:00,004 INFO L82 PathProgramCache]: Analyzing trace with hash 699793598, now seen corresponding path program 1 times [2020-07-20 16:25:00,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:00,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825942947] [2020-07-20 16:25:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:00,538 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:00,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:00,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:25:00,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:00,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:00,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825942947] [2020-07-20 16:25:00,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:00,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:00,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972130555] [2020-07-20 16:25:00,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:00,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:00,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:00,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:00,579 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 3 states. [2020-07-20 16:25:00,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:00,614 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2020-07-20 16:25:00,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:00,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:25:00,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:00,617 INFO L225 Difference]: With dead ends: 210 [2020-07-20 16:25:00,617 INFO L226 Difference]: Without dead ends: 117 [2020-07-20 16:25:00,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:00,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-20 16:25:00,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-20 16:25:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-20 16:25:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-07-20 16:25:00,631 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2020-07-20 16:25:00,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:00,631 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-07-20 16:25:00,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-07-20 16:25:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:25:00,634 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:00,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:00,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:00,860 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:00,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:00,861 INFO L82 PathProgramCache]: Analyzing trace with hash -484120084, now seen corresponding path program 1 times [2020-07-20 16:25:00,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:00,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542886147] [2020-07-20 16:25:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:01,305 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:01,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:01,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:25:01,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:01,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:01,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542886147] [2020-07-20 16:25:01,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:01,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:01,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263646524] [2020-07-20 16:25:01,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:01,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:01,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:01,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:01,380 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 6 states. [2020-07-20 16:25:01,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:01,606 INFO L93 Difference]: Finished difference Result 292 states and 349 transitions. [2020-07-20 16:25:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:01,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 16:25:01,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:01,610 INFO L225 Difference]: With dead ends: 292 [2020-07-20 16:25:01,610 INFO L226 Difference]: Without dead ends: 199 [2020-07-20 16:25:01,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:25:01,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-07-20 16:25:01,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2020-07-20 16:25:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-07-20 16:25:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 234 transitions. [2020-07-20 16:25:01,644 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 234 transitions. Word has length 65 [2020-07-20 16:25:01,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:01,644 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 234 transitions. [2020-07-20 16:25:01,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:01,645 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 234 transitions. [2020-07-20 16:25:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 16:25:01,649 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:01,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:01,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:01,866 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:01,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:01,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1366686438, now seen corresponding path program 1 times [2020-07-20 16:25:01,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:01,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60135227] [2020-07-20 16:25:01,868 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:02,212 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:02,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:02,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-20 16:25:02,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:02,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:02,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60135227] [2020-07-20 16:25:02,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:02,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:02,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173590461] [2020-07-20 16:25:02,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:02,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:02,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:02,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:02,263 INFO L87 Difference]: Start difference. First operand 199 states and 234 transitions. Second operand 3 states. [2020-07-20 16:25:02,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:02,284 INFO L93 Difference]: Finished difference Result 248 states and 296 transitions. [2020-07-20 16:25:02,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:02,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-07-20 16:25:02,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:02,286 INFO L225 Difference]: With dead ends: 248 [2020-07-20 16:25:02,286 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:25:02,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:02,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:25:02,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:25:02,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:25:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:25:02,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-07-20 16:25:02,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:02,289 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:25:02,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:02,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:25:02,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:25:02,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:02,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:25:03,363 INFO L268 CegarLoopResult]: For program point L643-2(lines 643 664) no Hoare annotation was computed. [2020-07-20 16:25:03,363 INFO L268 CegarLoopResult]: For program point L665(lines 642 666) no Hoare annotation was computed. [2020-07-20 16:25:03,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 618 673) no Hoare annotation was computed. [2020-07-20 16:25:03,364 INFO L268 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-07-20 16:25:03,364 INFO L268 CegarLoopResult]: For program point L649-1(lines 649 653) no Hoare annotation was computed. [2020-07-20 16:25:03,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 618 673) no Hoare annotation was computed. [2020-07-20 16:25:03,364 INFO L268 CegarLoopResult]: For program point L644(line 644) no Hoare annotation was computed. [2020-07-20 16:25:03,365 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 618 673) no Hoare annotation was computed. [2020-07-20 16:25:03,365 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 710) no Hoare annotation was computed. [2020-07-20 16:25:03,365 INFO L268 CegarLoopResult]: For program point L701(line 701) no Hoare annotation was computed. [2020-07-20 16:25:03,365 INFO L268 CegarLoopResult]: For program point L700-2(lines 700 725) no Hoare annotation was computed. [2020-07-20 16:25:03,365 INFO L268 CegarLoopResult]: For program point L726(lines 699 727) no Hoare annotation was computed. [2020-07-20 16:25:03,365 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 674 733) no Hoare annotation was computed. [2020-07-20 16:25:03,366 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-20 16:25:03,366 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 674 733) no Hoare annotation was computed. [2020-07-20 16:25:03,366 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-07-20 16:25:03,366 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 674 733) no Hoare annotation was computed. [2020-07-20 16:25:03,366 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-07-20 16:25:03,367 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2020-07-20 16:25:03,367 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2020-07-20 16:25:03,367 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2020-07-20 16:25:03,367 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2020-07-20 16:25:03,367 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2020-07-20 16:25:03,368 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-07-20 16:25:03,368 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 540 564) the Hoare annotation is: true [2020-07-20 16:25:03,368 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 540 564) no Hoare annotation was computed. [2020-07-20 16:25:03,368 INFO L264 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:03,370 INFO L268 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-07-20 16:25:03,370 INFO L264 CegarLoopResult]: At program point L550(line 550) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:03,370 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-20 16:25:03,370 INFO L268 CegarLoopResult]: For program point L548(lines 548 561) no Hoare annotation was computed. [2020-07-20 16:25:03,370 INFO L268 CegarLoopResult]: For program point L548-1(lines 540 564) no Hoare annotation was computed. [2020-07-20 16:25:03,370 INFO L271 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: true [2020-07-20 16:25:03,370 INFO L264 CegarLoopResult]: At program point L513(line 513) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,371 INFO L264 CegarLoopResult]: At program point L513-1(line 513) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,371 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,371 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2020-07-20 16:25:03,371 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2020-07-20 16:25:03,372 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,372 INFO L264 CegarLoopResult]: At program point L519-1(line 519) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,372 INFO L268 CegarLoopResult]: For program point L517(lines 517 524) no Hoare annotation was computed. [2020-07-20 16:25:03,372 INFO L268 CegarLoopResult]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2020-07-20 16:25:03,373 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 16:25:03,373 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,373 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 16:25:03,373 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-20 16:25:03,374 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 466 489) no Hoare annotation was computed. [2020-07-20 16:25:03,376 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 16:25:03,376 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 16:25:03,377 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-07-20 16:25:03,377 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 466 489) no Hoare annotation was computed. [2020-07-20 16:25:03,377 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 16:25:03,377 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 466 489) no Hoare annotation was computed. [2020-07-20 16:25:03,377 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 16:25:03,377 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-07-20 16:25:03,377 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 16:25:03,377 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 16:25:03,377 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-07-20 16:25:03,378 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 16:25:03,378 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-07-20 16:25:03,378 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 16:25:03,378 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 294 302) no Hoare annotation was computed. [2020-07-20 16:25:03,378 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 294 302) the Hoare annotation is: true [2020-07-20 16:25:03,378 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 294 302) no Hoare annotation was computed. [2020-07-20 16:25:03,378 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-07-20 16:25:03,378 INFO L271 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: true [2020-07-20 16:25:03,378 INFO L268 CegarLoopResult]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2020-07-20 16:25:03,379 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2020-07-20 16:25:03,379 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-07-20 16:25:03,379 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2020-07-20 16:25:03,381 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2020-07-20 16:25:03,383 INFO L268 CegarLoopResult]: For program point L322-2(lines 322 330) no Hoare annotation was computed. [2020-07-20 16:25:03,383 INFO L268 CegarLoopResult]: For program point L310(lines 310 318) no Hoare annotation was computed. [2020-07-20 16:25:03,383 INFO L268 CegarLoopResult]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2020-07-20 16:25:03,383 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 303 338) no Hoare annotation was computed. [2020-07-20 16:25:03,384 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-07-20 16:25:03,384 INFO L268 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-07-20 16:25:03,384 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 303 338) no Hoare annotation was computed. [2020-07-20 16:25:03,384 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 303 338) no Hoare annotation was computed. [2020-07-20 16:25:03,384 INFO L268 CegarLoopResult]: For program point L322(lines 322 330) no Hoare annotation was computed. [2020-07-20 16:25:03,384 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2020-07-20 16:25:03,384 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2020-07-20 16:25:03,384 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 572 617) no Hoare annotation was computed. [2020-07-20 16:25:03,384 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 572 617) no Hoare annotation was computed. [2020-07-20 16:25:03,385 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 572 617) no Hoare annotation was computed. [2020-07-20 16:25:03,385 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 885 930) no Hoare annotation was computed. [2020-07-20 16:25:03,385 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 885 930) no Hoare annotation was computed. [2020-07-20 16:25:03,385 INFO L268 CegarLoopResult]: For program point L905(lines 905 912) no Hoare annotation was computed. [2020-07-20 16:25:03,385 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 885 930) no Hoare annotation was computed. [2020-07-20 16:25:03,385 INFO L268 CegarLoopResult]: For program point L899(lines 899 919) no Hoare annotation was computed. [2020-07-20 16:25:03,385 INFO L268 CegarLoopResult]: For program point L899-1(lines 899 919) no Hoare annotation was computed. [2020-07-20 16:25:03,386 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,386 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2020-07-20 16:25:03,386 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2020-07-20 16:25:03,387 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-07-20 16:25:03,387 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 283 293) the Hoare annotation is: true [2020-07-20 16:25:03,387 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-20 16:25:03,387 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 283 293) no Hoare annotation was computed. [2020-07-20 16:25:03,387 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 283 293) no Hoare annotation was computed. [2020-07-20 16:25:03,387 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 275 282) the Hoare annotation is: true [2020-07-20 16:25:03,387 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2020-07-20 16:25:03,387 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2020-07-20 16:25:03,387 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:03,388 INFO L264 CegarLoopResult]: At program point L252(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:03,388 INFO L268 CegarLoopResult]: For program point L250(lines 250 258) no Hoare annotation was computed. [2020-07-20 16:25:03,390 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:03,390 INFO L268 CegarLoopResult]: For program point L248-1(line 248) no Hoare annotation was computed. [2020-07-20 16:25:03,390 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 242 266) no Hoare annotation was computed. [2020-07-20 16:25:03,390 INFO L268 CegarLoopResult]: For program point L246(lines 246 263) no Hoare annotation was computed. [2020-07-20 16:25:03,391 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 242 266) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:03,391 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:03,391 INFO L268 CegarLoopResult]: For program point L261-1(lines 242 266) no Hoare annotation was computed. [2020-07-20 16:25:03,391 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 208 214) no Hoare annotation was computed. [2020-07-20 16:25:03,391 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 208 214) the Hoare annotation is: true [2020-07-20 16:25:03,391 INFO L264 CegarLoopResult]: At program point testENTRY(lines 368 433) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,391 INFO L268 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-07-20 16:25:03,392 INFO L268 CegarLoopResult]: For program point testFINAL(lines 368 433) no Hoare annotation was computed. [2020-07-20 16:25:03,392 INFO L264 CegarLoopResult]: At program point L426(lines 377 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,392 INFO L268 CegarLoopResult]: For program point L416(lines 416 420) no Hoare annotation was computed. [2020-07-20 16:25:03,392 INFO L264 CegarLoopResult]: At program point L416-2(lines 408 421) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,392 INFO L268 CegarLoopResult]: For program point L379(lines 378 425) no Hoare annotation was computed. [2020-07-20 16:25:03,392 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,392 INFO L268 CegarLoopResult]: For program point L408(lines 408 421) no Hoare annotation was computed. [2020-07-20 16:25:03,393 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,393 INFO L268 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-07-20 16:25:03,393 INFO L268 CegarLoopResult]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2020-07-20 16:25:03,393 INFO L264 CegarLoopResult]: At program point L423(lines 378 425) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,393 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,393 INFO L268 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-07-20 16:25:03,393 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2020-07-20 16:25:03,394 INFO L268 CegarLoopResult]: For program point testEXIT(lines 368 433) no Hoare annotation was computed. [2020-07-20 16:25:03,394 INFO L268 CegarLoopResult]: For program point L859(lines 859 866) no Hoare annotation was computed. [2020-07-20 16:25:03,394 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 839 884) no Hoare annotation was computed. [2020-07-20 16:25:03,394 INFO L268 CegarLoopResult]: For program point L853(lines 853 873) no Hoare annotation was computed. [2020-07-20 16:25:03,394 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 839 884) no Hoare annotation was computed. [2020-07-20 16:25:03,394 INFO L268 CegarLoopResult]: For program point L853-1(lines 853 873) no Hoare annotation was computed. [2020-07-20 16:25:03,394 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 839 884) no Hoare annotation was computed. [2020-07-20 16:25:03,394 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-20 16:25:03,395 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-07-20 16:25:03,395 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-20 16:25:03,395 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 16:25:03,395 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 16:25:03,395 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 16:25:03,395 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 16:25:03,395 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 16:25:03,395 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2020-07-20 16:25:03,396 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 140 149) no Hoare annotation was computed. [2020-07-20 16:25:03,396 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2020-07-20 16:25:03,396 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-20 16:25:03,396 INFO L268 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-07-20 16:25:03,396 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 736 838) no Hoare annotation was computed. [2020-07-20 16:25:03,396 INFO L268 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-07-20 16:25:03,396 INFO L268 CegarLoopResult]: For program point L824(lines 824 835) no Hoare annotation was computed. [2020-07-20 16:25:03,396 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-07-20 16:25:03,397 INFO L268 CegarLoopResult]: For program point L785-2(lines 785 805) no Hoare annotation was computed. [2020-07-20 16:25:03,397 INFO L268 CegarLoopResult]: For program point L806(lines 784 807) no Hoare annotation was computed. [2020-07-20 16:25:03,397 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 736 838) no Hoare annotation was computed. [2020-07-20 16:25:03,397 INFO L268 CegarLoopResult]: For program point L765(lines 765 781) no Hoare annotation was computed. [2020-07-20 16:25:03,397 INFO L268 CegarLoopResult]: For program point L825(lines 825 832) no Hoare annotation was computed. [2020-07-20 16:25:03,397 INFO L268 CegarLoopResult]: For program point L786(lines 785 805) no Hoare annotation was computed. [2020-07-20 16:25:03,397 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 736 838) no Hoare annotation was computed. [2020-07-20 16:25:03,397 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-20 16:25:03,397 INFO L268 CegarLoopResult]: For program point L817-1(line 817) no Hoare annotation was computed. [2020-07-20 16:25:03,398 INFO L268 CegarLoopResult]: For program point L782(lines 782 823) no Hoare annotation was computed. [2020-07-20 16:25:03,401 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:03,401 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:25:03,401 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:03,401 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 267 274) no Hoare annotation was computed. [2020-07-20 16:25:03,401 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 267 274) no Hoare annotation was computed. [2020-07-20 16:25:03,401 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 267 274) no Hoare annotation was computed. [2020-07-20 16:25:03,402 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-20 16:25:03,402 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 16:25:03,402 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 16:25:03,402 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 16:25:03,402 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-20 16:25:03,403 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 16:25:03,403 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:03,403 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:25:03,403 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:03,403 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 16:25:03,403 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 16:25:03,403 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 16:25:03,403 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:03,404 INFO L268 CegarLoopResult]: For program point L188(lines 187 206) no Hoare annotation was computed. [2020-07-20 16:25:03,404 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 184 207) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:25:03,404 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 184 207) no Hoare annotation was computed. [2020-07-20 16:25:03,404 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 184 207) no Hoare annotation was computed. [2020-07-20 16:25:03,404 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:25:03,404 INFO L264 CegarLoopResult]: At program point L195(lines 195 201) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:25:03,404 INFO L271 CegarLoopResult]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2020-07-20 16:25:03,404 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2020-07-20 16:25:03,405 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-20 16:25:03,405 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2020-07-20 16:25:03,405 INFO L271 CegarLoopResult]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2020-07-20 16:25:03,405 INFO L271 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: true [2020-07-20 16:25:03,405 INFO L268 CegarLoopResult]: For program point L442-1(line 442) no Hoare annotation was computed. [2020-07-20 16:25:03,406 INFO L271 CegarLoopResult]: At program point L461(lines 436 465) the Hoare annotation is: true [2020-07-20 16:25:03,407 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 16:25:03,407 INFO L268 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-07-20 16:25:03,407 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-07-20 16:25:03,407 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 16:25:03,407 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 16:25:03,407 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2020-07-20 16:25:03,407 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2020-07-20 16:25:03,407 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:03,408 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:25:03,408 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:25:03,408 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:03,408 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 358 365) no Hoare annotation was computed. [2020-07-20 16:25:03,408 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 358 365) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:03,409 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 358 365) no Hoare annotation was computed. [2020-07-20 16:25:03,409 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 16:25:03,409 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 16:25:03,409 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:25:03,410 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 531 538) no Hoare annotation was computed. [2020-07-20 16:25:03,410 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2020-07-20 16:25:03,410 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 531 538) the Hoare annotation is: true [2020-07-20 16:25:03,410 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 531 538) no Hoare annotation was computed. [2020-07-20 16:25:03,410 INFO L268 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2020-07-20 16:25:03,410 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:03,410 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 216 240) no Hoare annotation was computed. [2020-07-20 16:25:03,410 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-07-20 16:25:03,411 INFO L268 CegarLoopResult]: For program point L220(lines 220 237) no Hoare annotation was computed. [2020-07-20 16:25:03,411 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 216 240) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:03,411 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:03,411 INFO L268 CegarLoopResult]: For program point L235-1(lines 216 240) no Hoare annotation was computed. [2020-07-20 16:25:03,411 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:03,411 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:03,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:25:03 BoogieIcfgContainer [2020-07-20 16:25:03,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:25:03,439 INFO L168 Benchmark]: Toolchain (without parser) took 7300.51 ms. Allocated memory was 145.8 MB in the beginning and 282.1 MB in the end (delta: 136.3 MB). Free memory was 102.4 MB in the beginning and 133.5 MB in the end (delta: -31.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:03,440 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 16:25:03,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.82 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 173.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:03,442 INFO L168 Benchmark]: Boogie Preprocessor took 92.78 ms. Allocated memory is still 203.4 MB. Free memory was 173.2 MB in the beginning and 168.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:03,443 INFO L168 Benchmark]: RCFGBuilder took 1291.42 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 200.0 MB in the end (delta: -31.2 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:03,444 INFO L168 Benchmark]: TraceAbstraction took 5293.57 ms. Allocated memory was 236.5 MB in the beginning and 282.1 MB in the end (delta: 45.6 MB). Free memory was 198.6 MB in the beginning and 133.5 MB in the end (delta: 65.1 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:03,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 611.82 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 173.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.78 ms. Allocated memory is still 203.4 MB. Free memory was 173.2 MB in the beginning and 168.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1291.42 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 200.0 MB in the end (delta: -31.2 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5293.57 ms. Allocated memory was 236.5 MB in the beginning and 282.1 MB in the end (delta: 45.6 MB). Free memory was 198.6 MB in the beginning and 133.5 MB in the end (delta: 65.1 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: 377]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 648 SDtfs, 222 SDslu, 611 SDs, 0 SdLazy, 90 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 301 PreInvPairs, 309 NumberOfFragments, 636 HoareAnnotationTreeSize, 301 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 59 FomulaSimplificationsInter, 249 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 279 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 31154 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3284 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...