/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_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:22:12,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:22:12,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:22:12,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:22:12,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:22:12,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:22:12,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:22:12,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:22:12,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:22:12,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:22:12,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:22:12,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:22:12,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:22:12,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:22:12,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:22:12,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:22:12,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:22:12,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:22:12,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:22:12,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:22:12,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:22:12,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:22:12,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:22:12,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:22:12,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:22:12,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:22:12,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:22:12,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:22:12,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:22:12,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:22:12,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:22:12,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:22:12,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:22:12,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:22:12,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:22:12,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:22:12,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:22:12,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:22:12,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:22:12,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:22:12,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:22:12,890 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 16:22:12,905 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:22:12,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:22:12,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:22:12,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:22:12,907 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:22:12,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:22:12,907 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:22:12,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:22:12,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:22:12,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:22:12,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:22:12,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:22:12,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:22:12,909 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:22:12,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:22:12,909 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:22:12,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:22:12,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:22:12,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:22:12,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:22:12,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:22:12,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:22:12,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:22:12,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:22:12,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:22:12,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:22:12,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:12,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:22:12,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:22:12,912 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 16:22:13,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:22:13,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:22:13,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:22:13,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:22:13,292 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:22:13,292 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2020-07-20 16:22:13,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ab39354/f74a03429e734ae48ace708d494483f5/FLAG953dc22c2 [2020-07-20 16:22:13,803 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:22:13,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2020-07-20 16:22:13,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ab39354/f74a03429e734ae48ace708d494483f5/FLAG953dc22c2 [2020-07-20 16:22:14,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ab39354/f74a03429e734ae48ace708d494483f5 [2020-07-20 16:22:14,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:22:14,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:22:14,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:14,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:22:14,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:22:14,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:14" (1/1) ... [2020-07-20 16:22:14,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5d2c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14, skipping insertion in model container [2020-07-20 16:22:14,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:14" (1/1) ... [2020-07-20 16:22:14,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:22:14,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:22:14,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:14,745 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:22:14,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:14,879 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:22:14,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14 WrapperNode [2020-07-20 16:22:14,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:14,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:22:14,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:22:14,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:22:14,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14" (1/1) ... [2020-07-20 16:22:14,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14" (1/1) ... [2020-07-20 16:22:14,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14" (1/1) ... [2020-07-20 16:22:14,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14" (1/1) ... [2020-07-20 16:22:14,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14" (1/1) ... [2020-07-20 16:22:14,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14" (1/1) ... [2020-07-20 16:22:14,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14" (1/1) ... [2020-07-20 16:22:14,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:22:14,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:22:14,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:22:14,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:22:14,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14" (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 16:22:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:22:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:22:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:22:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:22:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:22:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:22:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:22:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:22:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:22:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:22:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:22:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:22:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:22:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:22:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:22:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:22:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 16:22:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:22:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:22:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:22:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:22:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:22:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:22:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:22:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:22:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:22:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:22:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:22:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:22:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:22:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:22:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:22:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:22:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:22:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:22:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:22:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:22:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:22:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:22:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:22:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:22:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:22:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:22:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:22:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:22:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:22:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:22:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:22:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:22:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:22:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:22:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 16:22:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:22:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:22:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:22:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:22:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:22:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:22:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:22:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:22:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:22:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:22:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:22:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:22:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:22:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:22:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:22:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:22:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:22:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:22:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:22:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:22:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:22:16,137 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:22:16,138 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:22:16,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:16 BoogieIcfgContainer [2020-07-20 16:22:16,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:22:16,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:22:16,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:22:16,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:22:16,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:22:14" (1/3) ... [2020-07-20 16:22:16,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dda07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:16, skipping insertion in model container [2020-07-20 16:22:16,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:14" (2/3) ... [2020-07-20 16:22:16,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dda07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:16, skipping insertion in model container [2020-07-20 16:22:16,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:16" (3/3) ... [2020-07-20 16:22:16,151 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2020-07-20 16:22:16,162 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:22:16,170 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:22:16,183 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:22:16,207 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:22:16,208 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:22:16,208 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:22:16,208 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:22:16,208 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:22:16,208 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:22:16,208 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:22:16,209 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:22:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-07-20 16:22:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:22:16,240 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:16,241 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 16:22:16,242 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:16,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:16,246 INFO L82 PathProgramCache]: Analyzing trace with hash 878433908, now seen corresponding path program 1 times [2020-07-20 16:22:16,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:16,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287364598] [2020-07-20 16:22:16,256 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 16:22:16,738 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:16,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:16,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:22:16,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:16,782 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 16:22:16,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:16,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287364598] [2020-07-20 16:22:16,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:16,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:22:16,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418851879] [2020-07-20 16:22:16,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:22:16,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:16,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:22:16,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:22:16,806 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 2 states. [2020-07-20 16:22:16,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:16,853 INFO L93 Difference]: Finished difference Result 258 states and 323 transitions. [2020-07-20 16:22:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:22:16,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:22:16,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:16,869 INFO L225 Difference]: With dead ends: 258 [2020-07-20 16:22:16,870 INFO L226 Difference]: Without dead ends: 129 [2020-07-20 16:22:16,875 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 16:22:16,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-20 16:22:16,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-20 16:22:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-20 16:22:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2020-07-20 16:22:16,938 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2020-07-20 16:22:16,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:16,938 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2020-07-20 16:22:16,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:22:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2020-07-20 16:22:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:22:16,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:16,943 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 16:22:17,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:17,157 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:17,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:17,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1259616678, now seen corresponding path program 1 times [2020-07-20 16:22:17,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:17,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999255532] [2020-07-20 16:22:17,160 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 16:22:17,697 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:17,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:17,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:22:17,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:17,742 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 16:22:17,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:17,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999255532] [2020-07-20 16:22:17,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:17,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:17,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715105309] [2020-07-20 16:22:17,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:17,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:17,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:17,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:17,747 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 3 states. [2020-07-20 16:22:17,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:17,779 INFO L93 Difference]: Finished difference Result 197 states and 233 transitions. [2020-07-20 16:22:17,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:17,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:22:17,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:17,784 INFO L225 Difference]: With dead ends: 197 [2020-07-20 16:22:17,785 INFO L226 Difference]: Without dead ends: 120 [2020-07-20 16:22:17,786 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 16:22:17,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-20 16:22:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-07-20 16:22:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-20 16:22:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-07-20 16:22:17,802 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2020-07-20 16:22:17,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:17,803 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-07-20 16:22:17,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-07-20 16:22:17,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:22:17,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:17,806 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 16:22:18,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:18,011 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:18,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:18,012 INFO L82 PathProgramCache]: Analyzing trace with hash 357693267, now seen corresponding path program 1 times [2020-07-20 16:22:18,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:18,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122962629] [2020-07-20 16:22:18,013 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 16:22:18,416 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:18,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:18,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:22:18,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:18,463 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 16:22:18,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:18,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122962629] [2020-07-20 16:22:18,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:18,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:18,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133080164] [2020-07-20 16:22:18,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:18,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:18,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:18,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:18,470 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 3 states. [2020-07-20 16:22:18,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:18,511 INFO L93 Difference]: Finished difference Result 308 states and 374 transitions. [2020-07-20 16:22:18,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:18,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:22:18,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:18,516 INFO L225 Difference]: With dead ends: 308 [2020-07-20 16:22:18,516 INFO L226 Difference]: Without dead ends: 212 [2020-07-20 16:22:18,518 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 16:22:18,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-20 16:22:18,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2020-07-20 16:22:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-07-20 16:22:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 249 transitions. [2020-07-20 16:22:18,548 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 249 transitions. Word has length 52 [2020-07-20 16:22:18,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:18,549 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 249 transitions. [2020-07-20 16:22:18,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2020-07-20 16:22:18,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 16:22:18,552 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:18,553 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] [2020-07-20 16:22:18,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:18,768 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:18,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:18,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1656866468, now seen corresponding path program 1 times [2020-07-20 16:22:18,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:18,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339305167] [2020-07-20 16:22:18,785 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 16:22:19,181 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:19,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:19,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:22:19,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:19,240 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 16:22:19,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:19,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339305167] [2020-07-20 16:22:19,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:19,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:19,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735727832] [2020-07-20 16:22:19,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:19,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:19,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:19,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:19,243 INFO L87 Difference]: Start difference. First operand 206 states and 249 transitions. Second operand 6 states. [2020-07-20 16:22:19,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:19,504 INFO L93 Difference]: Finished difference Result 559 states and 695 transitions. [2020-07-20 16:22:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:22:19,507 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 16:22:19,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:19,516 INFO L225 Difference]: With dead ends: 559 [2020-07-20 16:22:19,519 INFO L226 Difference]: Without dead ends: 377 [2020-07-20 16:22:19,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 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 16:22:19,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-20 16:22:19,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2020-07-20 16:22:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-20 16:22:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 456 transitions. [2020-07-20 16:22:19,566 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 456 transitions. Word has length 57 [2020-07-20 16:22:19,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:19,566 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 456 transitions. [2020-07-20 16:22:19,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 456 transitions. [2020-07-20 16:22:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 16:22:19,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:19,572 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] [2020-07-20 16:22:19,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:19,788 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:19,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:19,789 INFO L82 PathProgramCache]: Analyzing trace with hash -403422112, now seen corresponding path program 1 times [2020-07-20 16:22:19,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:19,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483883256] [2020-07-20 16:22:19,790 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 16:22:20,260 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:20,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:20,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:22:20,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:20,307 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 16:22:20,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:20,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483883256] [2020-07-20 16:22:20,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:20,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:20,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232539201] [2020-07-20 16:22:20,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:20,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:20,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:20,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:20,310 INFO L87 Difference]: Start difference. First operand 373 states and 456 transitions. Second operand 6 states. [2020-07-20 16:22:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:20,536 INFO L93 Difference]: Finished difference Result 591 states and 738 transitions. [2020-07-20 16:22:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:22:20,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-20 16:22:20,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:20,537 INFO L225 Difference]: With dead ends: 591 [2020-07-20 16:22:20,537 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:22:20,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 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 16:22:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:22:20,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:22:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:22:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:22:20,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-07-20 16:22:20,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:20,541 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:22:20,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:22:20,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:22:20,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:20,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:22:21,679 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:22:21,679 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:22:21,679 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 16:22:21,680 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 16:22:21,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:22:21,680 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:22:21,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:22:21,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:22:21,680 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 16:22:21,680 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 16:22:21,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:22:21,681 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:22:21,681 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:22:21,681 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 16:22:21,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:22:21,681 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 16:22:21,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:22:21,682 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 16:22:21,682 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 523 529) the Hoare annotation is: true [2020-07-20 16:22:21,682 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 523 529) no Hoare annotation was computed. [2020-07-20 16:22:21,682 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 530 538) no Hoare annotation was computed. [2020-07-20 16:22:21,682 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 530 538) the Hoare annotation is: true [2020-07-20 16:22:21,682 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 530 538) no Hoare annotation was computed. [2020-07-20 16:22:21,682 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 943 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,683 INFO L264 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,683 INFO L264 CegarLoopResult]: At program point L955-1(line 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,683 INFO L268 CegarLoopResult]: For program point L953(lines 953 960) no Hoare annotation was computed. [2020-07-20 16:22:21,683 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 943 965) no Hoare annotation was computed. [2020-07-20 16:22:21,683 INFO L268 CegarLoopResult]: For program point L953-1(lines 953 960) no Hoare annotation was computed. [2020-07-20 16:22:21,683 INFO L268 CegarLoopResult]: For program point L951(line 951) no Hoare annotation was computed. [2020-07-20 16:22:21,684 INFO L264 CegarLoopResult]: At program point L950(line 950) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,684 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,684 INFO L264 CegarLoopResult]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,684 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 943 965) no Hoare annotation was computed. [2020-07-20 16:22:21,684 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 902 925) no Hoare annotation was computed. [2020-07-20 16:22:21,684 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 902 925) no Hoare annotation was computed. [2020-07-20 16:22:21,684 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 902 925) no Hoare annotation was computed. [2020-07-20 16:22:21,685 INFO L268 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2020-07-20 16:22:21,685 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-20 16:22:21,685 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-07-20 16:22:21,685 INFO L268 CegarLoopResult]: For program point L917(line 917) no Hoare annotation was computed. [2020-07-20 16:22:21,685 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-07-20 16:22:21,685 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-07-20 16:22:21,685 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-07-20 16:22:21,685 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-07-20 16:22:21,686 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-20 16:22:21,686 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-07-20 16:22:21,686 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-07-20 16:22:21,686 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-20 16:22:21,686 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-20 16:22:21,686 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-07-20 16:22:21,686 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:21,687 INFO L268 CegarLoopResult]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2020-07-20 16:22:21,687 INFO L264 CegarLoopResult]: At program point L693(line 693) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:22:21,687 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:22:21,687 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 679 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:21,687 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-07-20 16:22:21,687 INFO L264 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:22:21,687 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-20 16:22:21,687 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 679 703) no Hoare annotation was computed. [2020-07-20 16:22:21,688 INFO L268 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2020-07-20 16:22:21,688 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 838 852) no Hoare annotation was computed. [2020-07-20 16:22:21,688 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:22:21,688 INFO L268 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-07-20 16:22:21,688 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 838 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-20 16:22:21,688 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 838 852) no Hoare annotation was computed. [2020-07-20 16:22:21,688 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-07-20 16:22:21,689 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-07-20 16:22:21,689 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-07-20 16:22:21,689 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-20 16:22:21,689 INFO L271 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: true [2020-07-20 16:22:21,689 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2020-07-20 16:22:21,689 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2020-07-20 16:22:21,689 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-20 16:22:21,690 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2020-07-20 16:22:21,690 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2020-07-20 16:22:21,690 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-07-20 16:22:21,690 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-07-20 16:22:21,690 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-07-20 16:22:21,690 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-07-20 16:22:21,690 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-20 16:22:21,690 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-20 16:22:21,690 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-07-20 16:22:21,691 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-07-20 16:22:21,691 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-07-20 16:22:21,691 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 516 522) no Hoare annotation was computed. [2020-07-20 16:22:21,691 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 516 522) the Hoare annotation is: true [2020-07-20 16:22:21,691 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:22:21,691 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:22:21,691 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:22:21,692 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 16:22:21,692 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:22:21,692 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:22:21,692 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:22:21,692 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:22:21,692 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:22:21,692 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 933 942) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,692 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 933 942) no Hoare annotation was computed. [2020-07-20 16:22:21,693 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 933 942) no Hoare annotation was computed. [2020-07-20 16:22:21,693 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-07-20 16:22:21,693 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2020-07-20 16:22:21,693 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-07-20 16:22:21,693 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-07-20 16:22:21,693 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-07-20 16:22:21,693 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2020-07-20 16:22:21,693 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-07-20 16:22:21,693 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-07-20 16:22:21,694 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2020-07-20 16:22:21,694 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:21,694 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:21,694 INFO L268 CegarLoopResult]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2020-07-20 16:22:21,694 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:22:21,694 INFO L264 CegarLoopResult]: At program point L715(line 715) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:22:21,694 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-07-20 16:22:21,694 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:22:21,695 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-07-20 16:22:21,695 INFO L268 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-07-20 16:22:21,695 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 671 677) no Hoare annotation was computed. [2020-07-20 16:22:21,695 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 671 677) the Hoare annotation is: true [2020-07-20 16:22:21,695 INFO L264 CegarLoopResult]: At program point testENTRY(lines 572 639) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,695 INFO L264 CegarLoopResult]: At program point L632(lines 581 633) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,695 INFO L268 CegarLoopResult]: For program point testFINAL(lines 572 639) no Hoare annotation was computed. [2020-07-20 16:22:21,696 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,696 INFO L268 CegarLoopResult]: For program point L620(lines 620 626) no Hoare annotation was computed. [2020-07-20 16:22:21,696 INFO L264 CegarLoopResult]: At program point L620-1(lines 612 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,696 INFO L268 CegarLoopResult]: For program point L583(lines 582 631) no Hoare annotation was computed. [2020-07-20 16:22:21,696 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,696 INFO L268 CegarLoopResult]: For program point L612(lines 612 627) no Hoare annotation was computed. [2020-07-20 16:22:21,696 INFO L264 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,696 INFO L268 CegarLoopResult]: For program point L602(lines 602 608) no Hoare annotation was computed. [2020-07-20 16:22:21,697 INFO L268 CegarLoopResult]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2020-07-20 16:22:21,697 INFO L264 CegarLoopResult]: At program point L629(lines 582 631) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,697 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:21,697 INFO L268 CegarLoopResult]: For program point L592(lines 592 598) no Hoare annotation was computed. [2020-07-20 16:22:21,697 INFO L268 CegarLoopResult]: For program point L592-1(lines 592 598) no Hoare annotation was computed. [2020-07-20 16:22:21,697 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-07-20 16:22:21,697 INFO L268 CegarLoopResult]: For program point testEXIT(lines 572 639) no Hoare annotation was computed. [2020-07-20 16:22:21,697 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:22:21,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:22:21,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:22:21,698 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 16:22:21,698 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:22:21,698 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:22:21,698 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 730 737) no Hoare annotation was computed. [2020-07-20 16:22:21,698 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 730 737) no Hoare annotation was computed. [2020-07-20 16:22:21,698 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 730 737) no Hoare annotation was computed. [2020-07-20 16:22:21,698 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-07-20 16:22:21,699 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-07-20 16:22:21,699 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-07-20 16:22:21,699 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-07-20 16:22:21,699 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-07-20 16:22:21,699 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-07-20 16:22:21,699 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-07-20 16:22:21,699 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-07-20 16:22:21,699 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 16:22:21,699 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:22:21,700 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 16:22:21,701 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:22:21,701 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:22:21,701 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 16:22:21,701 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 16:22:21,701 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 506 515) no Hoare annotation was computed. [2020-07-20 16:22:21,701 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 506 515) no Hoare annotation was computed. [2020-07-20 16:22:21,701 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 506 515) no Hoare annotation was computed. [2020-07-20 16:22:21,701 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:21,701 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:22:21,701 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point L749(line 749) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point L749-1(lines 738 754) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 738 754) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 738 754) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-07-20 16:22:21,702 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-07-20 16:22:21,703 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:21,703 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:22:21,703 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:21,703 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:22:21,703 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-07-20 16:22:21,703 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-07-20 16:22:21,703 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-07-20 16:22:21,703 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-07-20 16:22:21,703 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-07-20 16:22:21,703 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:21,703 INFO L264 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:21,704 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:21,704 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:22:21,704 INFO L268 CegarLoopResult]: For program point L651(lines 650 669) no Hoare annotation was computed. [2020-07-20 16:22:21,704 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2020-07-20 16:22:21,704 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2020-07-20 16:22:21,704 INFO L271 CegarLoopResult]: At program point L897(lines 872 901) the Hoare annotation is: true [2020-07-20 16:22:21,704 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 872 901) no Hoare annotation was computed. [2020-07-20 16:22:21,705 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-07-20 16:22:21,705 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 872 901) the Hoare annotation is: true [2020-07-20 16:22:21,705 INFO L268 CegarLoopResult]: For program point L886(lines 886 890) no Hoare annotation was computed. [2020-07-20 16:22:21,705 INFO L271 CegarLoopResult]: At program point L886-1(lines 886 890) the Hoare annotation is: true [2020-07-20 16:22:21,705 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-20 16:22:21,705 INFO L271 CegarLoopResult]: At program point L882-2(lines 882 896) the Hoare annotation is: true [2020-07-20 16:22:21,705 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-07-20 16:22:21,705 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-07-20 16:22:21,705 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-07-20 16:22:21,706 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-07-20 16:22:21,706 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-07-20 16:22:21,706 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 926 932) no Hoare annotation was computed. [2020-07-20 16:22:21,706 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 926 932) the Hoare annotation is: true [2020-07-20 16:22:21,706 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:21,706 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:22:21,706 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:22:21,707 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:21,707 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2020-07-20 16:22:21,707 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: true [2020-07-20 16:22:21,707 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2020-07-20 16:22:21,707 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-07-20 16:22:21,707 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-07-20 16:22:21,707 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2020-07-20 16:22:21,707 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 862 869) no Hoare annotation was computed. [2020-07-20 16:22:21,708 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2020-07-20 16:22:21,708 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 862 869) the Hoare annotation is: true [2020-07-20 16:22:21,708 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 862 869) no Hoare annotation was computed. [2020-07-20 16:22:21,708 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 542 566) the Hoare annotation is: true [2020-07-20 16:22:21,708 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 542 566) no Hoare annotation was computed. [2020-07-20 16:22:21,708 INFO L264 CegarLoopResult]: At program point L556(line 556) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-20 16:22:21,708 INFO L268 CegarLoopResult]: For program point L554(lines 554 560) no Hoare annotation was computed. [2020-07-20 16:22:21,708 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:22:21,709 INFO L268 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-07-20 16:22:21,709 INFO L268 CegarLoopResult]: For program point L550(lines 550 563) no Hoare annotation was computed. [2020-07-20 16:22:21,709 INFO L268 CegarLoopResult]: For program point L550-1(lines 542 566) no Hoare annotation was computed. [2020-07-20 16:22:21,709 INFO L271 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: true [2020-07-20 16:22:21,709 INFO L268 CegarLoopResult]: For program point L548-1(line 548) no Hoare annotation was computed. [2020-07-20 16:22:21,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:22:21 BoogieIcfgContainer [2020-07-20 16:22:21,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:22:21,728 INFO L168 Benchmark]: Toolchain (without parser) took 7560.75 ms. Allocated memory was 148.9 MB in the beginning and 275.8 MB in the end (delta: 126.9 MB). Free memory was 105.5 MB in the beginning and 185.7 MB in the end (delta: -80.1 MB). Peak memory consumption was 135.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:21,733 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory was 125.1 MB in the beginning and 124.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 16:22:21,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.18 ms. Allocated memory was 148.9 MB in the beginning and 203.4 MB in the end (delta: 54.5 MB). Free memory was 105.1 MB in the beginning and 170.4 MB in the end (delta: -65.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:21,735 INFO L168 Benchmark]: Boogie Preprocessor took 89.20 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 166.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:21,736 INFO L168 Benchmark]: RCFGBuilder took 1173.55 ms. Allocated memory was 203.4 MB in the beginning and 232.3 MB in the end (delta: 28.8 MB). Free memory was 166.0 MB in the beginning and 183.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:21,737 INFO L168 Benchmark]: TraceAbstraction took 5580.40 ms. Allocated memory was 232.3 MB in the beginning and 275.8 MB in the end (delta: 43.5 MB). Free memory was 182.3 MB in the beginning and 185.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 128.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:21,740 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory was 125.1 MB in the beginning and 124.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.18 ms. Allocated memory was 148.9 MB in the beginning and 203.4 MB in the end (delta: 54.5 MB). Free memory was 105.1 MB in the beginning and 170.4 MB in the end (delta: -65.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.20 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 166.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1173.55 ms. Allocated memory was 203.4 MB in the beginning and 232.3 MB in the end (delta: 28.8 MB). Free memory was 166.0 MB in the beginning and 183.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5580.40 ms. Allocated memory was 232.3 MB in the beginning and 275.8 MB in the end (delta: 43.5 MB). Free memory was 182.3 MB in the beginning and 185.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 128.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 866]: 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: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 727 SDtfs, 277 SDslu, 957 SDs, 0 SdLazy, 138 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=373occurred 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, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 516 PreInvPairs, 547 NumberOfFragments, 487 HoareAnnotationTreeSize, 516 FomulaSimplifications, 197 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 61 FomulaSimplificationsInter, 1264 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 263 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25122 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3286 ConjunctsInSsa, 45 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...