/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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:21:52,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:21:52,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:21:52,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:21:52,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:21:52,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:21:52,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:21:52,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:21:52,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:21:52,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:21:52,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:21:52,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:21:52,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:21:52,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:21:52,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:21:52,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:21:52,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:21:52,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:21:52,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:21:52,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:21:52,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:21:52,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:21:52,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:21:52,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:21:52,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:21:52,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:21:52,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:21:52,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:21:52,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:21:52,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:21:52,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:21:52,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:21:52,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:21:52,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:21:52,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:21:52,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:21:52,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:21:52,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:21:52,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:21:52,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:21:52,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:21:52,717 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 16:21:52,751 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:21:52,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:21:52,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:21:52,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:21:52,756 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:21:52,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:21:52,757 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:21:52,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:21:52,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:21:52,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:21:52,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:21:52,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:21:52,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:21:52,758 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:21:52,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:21:52,758 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:21:52,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:21:52,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:21:52,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:21:52,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:21:52,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:21:52,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:21:52,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:21:52,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:21:52,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:21:52,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:21:52,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:21:52,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:21:52,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:21:52,761 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 16:21:53,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:21:53,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:21:53,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:21:53,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:21:53,071 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:21:53,072 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2020-07-20 16:21:53,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae274fb6/f1441852ad5b4c62b7461a0c840c5010/FLAG311d95626 [2020-07-20 16:21:53,639 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:21:53,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2020-07-20 16:21:53,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae274fb6/f1441852ad5b4c62b7461a0c840c5010/FLAG311d95626 [2020-07-20 16:21:53,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae274fb6/f1441852ad5b4c62b7461a0c840c5010 [2020-07-20 16:21:53,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:21:53,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:21:53,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:21:53,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:21:53,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:21:53,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:21:53" (1/1) ... [2020-07-20 16:21:53,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb6ae03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:53, skipping insertion in model container [2020-07-20 16:21:53,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:21:53" (1/1) ... [2020-07-20 16:21:54,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:21:54,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:21:54,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:21:54,583 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:21:54,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:21:54,694 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:21:54,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54 WrapperNode [2020-07-20 16:21:54,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:21:54,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:21:54,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:21:54,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:21:54,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54" (1/1) ... [2020-07-20 16:21:54,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54" (1/1) ... [2020-07-20 16:21:54,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54" (1/1) ... [2020-07-20 16:21:54,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54" (1/1) ... [2020-07-20 16:21:54,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54" (1/1) ... [2020-07-20 16:21:54,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54" (1/1) ... [2020-07-20 16:21:54,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54" (1/1) ... [2020-07-20 16:21:54,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:21:54,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:21:54,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:21:54,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:21:54,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54" (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 16:21:54,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:21:54,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:21:54,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:21:54,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:21:54,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:21:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:21:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:21:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:21:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:21:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:21:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:21:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:21:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:21:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:21:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:21:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:21:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:21:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:21:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:21:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:21:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:21:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:21:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:21:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:21:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:21:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 16:21:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:21:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:21:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:21:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:21:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-20 16:21:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:21:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:21:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:21:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:21:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:21:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:21:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:21:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:21:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:21:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:21:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:21:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:21:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:21:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:21:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:21:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:21:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:21:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:21:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:21:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:21:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:21:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:21:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:21:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:21:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:21:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:21:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:21:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:21:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:21:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:21:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:21:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:21:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:21:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:21:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:21:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:21:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 16:21:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:21:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:21:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:21:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:21:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:21:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-20 16:21:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:21:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:21:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:21:55,954 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:21:55,955 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:21:55,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:21:55 BoogieIcfgContainer [2020-07-20 16:21:55,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:21:55,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:21:55,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:21:55,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:21:55,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:21:53" (1/3) ... [2020-07-20 16:21:55,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0d3cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:21:55, skipping insertion in model container [2020-07-20 16:21:55,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:21:54" (2/3) ... [2020-07-20 16:21:55,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0d3cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:21:55, skipping insertion in model container [2020-07-20 16:21:55,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:21:55" (3/3) ... [2020-07-20 16:21:55,969 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2020-07-20 16:21:55,979 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:21:55,988 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:21:56,002 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:21:56,028 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:21:56,028 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:21:56,028 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:21:56,029 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:21:56,029 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:21:56,029 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:21:56,029 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:21:56,030 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:21:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-07-20 16:21:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:21:56,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:21:56,064 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 16:21:56,064 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:21:56,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:21:56,070 INFO L82 PathProgramCache]: Analyzing trace with hash -655314602, now seen corresponding path program 1 times [2020-07-20 16:21:56,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:21:56,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063728524] [2020-07-20 16:21:56,081 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 16:21:56,579 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:21:56,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:21:56,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:21:56,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:21:56,626 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 16:21:56,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:21:56,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063728524] [2020-07-20 16:21:56,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:21:56,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:21:56,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37737455] [2020-07-20 16:21:56,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:21:56,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:21:56,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:21:56,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:21:56,653 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2020-07-20 16:21:56,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:21:56,688 INFO L93 Difference]: Finished difference Result 198 states and 249 transitions. [2020-07-20 16:21:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:21:56,690 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:21:56,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:21:56,704 INFO L225 Difference]: With dead ends: 198 [2020-07-20 16:21:56,704 INFO L226 Difference]: Without dead ends: 99 [2020-07-20 16:21:56,712 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 16:21:56,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-20 16:21:56,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-20 16:21:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-20 16:21:56,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2020-07-20 16:21:56,819 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2020-07-20 16:21:56,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:21:56,820 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2020-07-20 16:21:56,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:21:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2020-07-20 16:21:56,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:21:56,826 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:21:56,826 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 16:21:57,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:21:57,042 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:21:57,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:21:57,043 INFO L82 PathProgramCache]: Analyzing trace with hash 680244835, now seen corresponding path program 1 times [2020-07-20 16:21:57,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:21:57,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918407001] [2020-07-20 16:21:57,045 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 16:21:57,606 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:21:57,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:21:57,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:21:57,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:21:57,656 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 16:21:57,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:21:57,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918407001] [2020-07-20 16:21:57,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:21:57,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:21:57,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325672701] [2020-07-20 16:21:57,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:21:57,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:21:57,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:21:57,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:21:57,660 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 3 states. [2020-07-20 16:21:57,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:21:57,677 INFO L93 Difference]: Finished difference Result 147 states and 171 transitions. [2020-07-20 16:21:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:21:57,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:21:57,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:21:57,680 INFO L225 Difference]: With dead ends: 147 [2020-07-20 16:21:57,680 INFO L226 Difference]: Without dead ends: 90 [2020-07-20 16:21:57,681 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 16:21:57,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-20 16:21:57,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-07-20 16:21:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-20 16:21:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-07-20 16:21:57,693 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2020-07-20 16:21:57,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:21:57,693 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-07-20 16:21:57,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:21:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-07-20 16:21:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:21:57,696 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:21:57,696 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] [2020-07-20 16:21:57,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:21:57,913 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:21:57,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:21:57,914 INFO L82 PathProgramCache]: Analyzing trace with hash -361884353, now seen corresponding path program 1 times [2020-07-20 16:21:57,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:21:57,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549187307] [2020-07-20 16:21:57,916 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 16:21:58,288 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:21:58,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:21:58,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:21:58,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:21:58,321 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 16:21:58,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:21:58,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549187307] [2020-07-20 16:21:58,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:21:58,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:21:58,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772343175] [2020-07-20 16:21:58,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:21:58,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:21:58,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:21:58,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:21:58,325 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2020-07-20 16:21:58,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:21:58,354 INFO L93 Difference]: Finished difference Result 156 states and 185 transitions. [2020-07-20 16:21:58,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:21:58,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 16:21:58,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:21:58,356 INFO L225 Difference]: With dead ends: 156 [2020-07-20 16:21:58,357 INFO L226 Difference]: Without dead ends: 90 [2020-07-20 16:21:58,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 16:21:58,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-20 16:21:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-07-20 16:21:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-20 16:21:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2020-07-20 16:21:58,369 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2020-07-20 16:21:58,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:21:58,369 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2020-07-20 16:21:58,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:21:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2020-07-20 16:21:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:21:58,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:21:58,374 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] [2020-07-20 16:21:58,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:21:58,578 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:21:58,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:21:58,579 INFO L82 PathProgramCache]: Analyzing trace with hash -670224991, now seen corresponding path program 1 times [2020-07-20 16:21:58,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:21:58,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898520455] [2020-07-20 16:21:58,581 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 16:21:58,972 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:21:58,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:21:58,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:21:58,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:21:59,030 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 16:21:59,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:21:59,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898520455] [2020-07-20 16:21:59,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:21:59,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:21:59,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078990300] [2020-07-20 16:21:59,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:21:59,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:21:59,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:21:59,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:21:59,034 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 6 states. [2020-07-20 16:21:59,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:21:59,269 INFO L93 Difference]: Finished difference Result 138 states and 163 transitions. [2020-07-20 16:21:59,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:21:59,270 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-20 16:21:59,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:21:59,270 INFO L225 Difference]: With dead ends: 138 [2020-07-20 16:21:59,271 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:21:59,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 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 16:21:59,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:21:59,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:21:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:21:59,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:21:59,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-20 16:21:59,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:21:59,274 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:21:59,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:21:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:21:59,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:21:59,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:21:59,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:21:59,993 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:21:59,993 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:21:59,993 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 16:21:59,993 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 16:21:59,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:21:59,994 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:21:59,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:21:59,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:21:59,994 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 16:21:59,994 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 16:21:59,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:21:59,994 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:21:59,995 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:21:59,995 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 16:21:59,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:21:59,995 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 16:21:59,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:21:59,995 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 16:21:59,995 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2020-07-20 16:21:59,995 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2020-07-20 16:21:59,996 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2020-07-20 16:21:59,996 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2020-07-20 16:21:59,996 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2020-07-20 16:21:59,996 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:21:59,996 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2020-07-20 16:21:59,996 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:21:59,997 INFO L264 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:21:59,997 INFO L268 CegarLoopResult]: For program point L624(lines 624 631) no Hoare annotation was computed. [2020-07-20 16:21:59,997 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2020-07-20 16:21:59,997 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-07-20 16:21:59,997 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:21:59,997 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2020-07-20 16:21:59,997 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:21:59,997 INFO L264 CegarLoopResult]: At program point L620-1(line 620) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:21:59,998 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 16:21:59,998 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 572 595) no Hoare annotation was computed. [2020-07-20 16:21:59,998 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 572 595) no Hoare annotation was computed. [2020-07-20 16:21:59,998 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 572 595) no Hoare annotation was computed. [2020-07-20 16:21:59,998 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 16:21:59,998 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 16:21:59,998 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 16:21:59,998 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 16:21:59,999 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 16:21:59,999 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-20 16:21:59,999 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-20 16:21:59,999 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 16:21:59,999 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-20 16:21:59,999 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-20 16:21:59,999 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 16:21:59,999 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-07-20 16:22:00,000 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-07-20 16:22:00,000 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 759 765) no Hoare annotation was computed. [2020-07-20 16:22:00,000 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 759 765) the Hoare annotation is: true [2020-07-20 16:22:00,000 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 792 799) no Hoare annotation was computed. [2020-07-20 16:22:00,000 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 792 799) no Hoare annotation was computed. [2020-07-20 16:22:00,000 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 792 799) no Hoare annotation was computed. [2020-07-20 16:22:00,000 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 836 844) no Hoare annotation was computed. [2020-07-20 16:22:00,001 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 836 844) the Hoare annotation is: true [2020-07-20 16:22:00,001 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 836 844) no Hoare annotation was computed. [2020-07-20 16:22:00,001 INFO L268 CegarLoopResult]: For program point L864(lines 864 872) no Hoare annotation was computed. [2020-07-20 16:22:00,001 INFO L268 CegarLoopResult]: For program point L864-2(lines 864 872) no Hoare annotation was computed. [2020-07-20 16:22:00,001 INFO L268 CegarLoopResult]: For program point L852(lines 852 860) no Hoare annotation was computed. [2020-07-20 16:22:00,001 INFO L268 CegarLoopResult]: For program point L852-2(lines 852 860) no Hoare annotation was computed. [2020-07-20 16:22:00,001 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 845 880) no Hoare annotation was computed. [2020-07-20 16:22:00,002 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-20 16:22:00,002 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-07-20 16:22:00,002 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 845 880) no Hoare annotation was computed. [2020-07-20 16:22:00,002 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 845 880) no Hoare annotation was computed. [2020-07-20 16:22:00,002 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2020-07-20 16:22:00,002 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2020-07-20 16:22:00,002 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:22:00,002 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:22:00,002 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:22:00,003 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 16:22:00,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:22:00,003 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:22:00,003 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:22:00,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:22:00,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:22:00,003 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:00,004 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2020-07-20 16:22:00,004 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2020-07-20 16:22:00,004 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 825 835) the Hoare annotation is: true [2020-07-20 16:22:00,004 INFO L271 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: true [2020-07-20 16:22:00,004 INFO L268 CegarLoopResult]: For program point L830-1(line 830) no Hoare annotation was computed. [2020-07-20 16:22:00,004 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 825 835) no Hoare annotation was computed. [2020-07-20 16:22:00,004 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 825 835) no Hoare annotation was computed. [2020-07-20 16:22:00,004 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 817 824) the Hoare annotation is: true [2020-07-20 16:22:00,005 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 817 824) no Hoare annotation was computed. [2020-07-20 16:22:00,005 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 817 824) no Hoare annotation was computed. [2020-07-20 16:22:00,005 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 767 791) no Hoare annotation was computed. [2020-07-20 16:22:00,005 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 767 791) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:00,005 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:00,005 INFO L268 CegarLoopResult]: For program point L786-1(lines 767 791) no Hoare annotation was computed. [2020-07-20 16:22:00,005 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:22:00,005 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:22:00,006 INFO L268 CegarLoopResult]: For program point L775(lines 775 783) no Hoare annotation was computed. [2020-07-20 16:22:00,006 INFO L264 CegarLoopResult]: At program point L773(line 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:22:00,006 INFO L268 CegarLoopResult]: For program point L773-1(line 773) no Hoare annotation was computed. [2020-07-20 16:22:00,006 INFO L268 CegarLoopResult]: For program point L771(lines 771 788) no Hoare annotation was computed. [2020-07-20 16:22:00,006 INFO L264 CegarLoopResult]: At program point testENTRY(lines 665 728) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:00,006 INFO L268 CegarLoopResult]: For program point testFINAL(lines 665 728) no Hoare annotation was computed. [2020-07-20 16:22:00,006 INFO L264 CegarLoopResult]: At program point L721(lines 674 722) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:22:00,007 INFO L268 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2020-07-20 16:22:00,007 INFO L264 CegarLoopResult]: At program point L711-2(lines 705 716) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 16:22:00,007 INFO L268 CegarLoopResult]: For program point L676(lines 675 720) no Hoare annotation was computed. [2020-07-20 16:22:00,007 INFO L268 CegarLoopResult]: For program point L705(lines 705 716) no Hoare annotation was computed. [2020-07-20 16:22:00,007 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 16:22:00,007 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-07-20 16:22:00,007 INFO L268 CegarLoopResult]: For program point L695-1(lines 695 701) no Hoare annotation was computed. [2020-07-20 16:22:00,008 INFO L264 CegarLoopResult]: At program point L687(line 687) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 16:22:00,008 INFO L264 CegarLoopResult]: At program point L718(lines 675 720) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 16:22:00,008 INFO L268 CegarLoopResult]: For program point L685(lines 685 691) no Hoare annotation was computed. [2020-07-20 16:22:00,008 INFO L268 CegarLoopResult]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2020-07-20 16:22:00,008 INFO L268 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2020-07-20 16:22:00,008 INFO L268 CegarLoopResult]: For program point testEXIT(lines 665 728) no Hoare annotation was computed. [2020-07-20 16:22:00,008 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:22:00,008 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:22:00,009 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:22:00,009 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 16:22:00,009 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:22:00,009 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:22:00,009 INFO L268 CegarLoopResult]: For program point L467-2(lines 467 475) no Hoare annotation was computed. [2020-07-20 16:22:00,009 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2020-07-20 16:22:00,010 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2020-07-20 16:22:00,010 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 459 481) no Hoare annotation was computed. [2020-07-20 16:22:00,010 INFO L268 CegarLoopResult]: For program point L467(lines 467 475) no Hoare annotation was computed. [2020-07-20 16:22:00,010 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 16:22:00,010 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:22:00,010 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 16:22:00,010 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 16:22:00,010 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 16:22:00,011 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 16:22:00,011 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:22:00,011 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:22:00,011 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:22:00,011 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 16:22:00,011 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:22:00,011 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 16:22:00,011 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:22:00,012 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:22:00,012 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 16:22:00,012 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 16:22:00,012 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 505 514) no Hoare annotation was computed. [2020-07-20 16:22:00,012 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 505 514) no Hoare annotation was computed. [2020-07-20 16:22:00,012 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 505 514) no Hoare annotation was computed. [2020-07-20 16:22:00,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:00,012 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:22:00,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 800 816) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point L811-1(lines 800 816) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 800 816) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point L807(lines 807 813) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 482 490) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 482 490) no Hoare annotation was computed. [2020-07-20 16:22:00,013 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2020-07-20 16:22:00,014 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:00,014 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:22:00,014 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:00,014 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: true [2020-07-20 16:22:00,014 INFO L268 CegarLoopResult]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2020-07-20 16:22:00,014 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2020-07-20 16:22:00,014 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 450 458) the Hoare annotation is: true [2020-07-20 16:22:00,014 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2020-07-20 16:22:00,014 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2020-07-20 16:22:00,015 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 735 758) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:00,015 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:00,015 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 735 758) no Hoare annotation was computed. [2020-07-20 16:22:00,015 INFO L264 CegarLoopResult]: At program point L746(lines 746 752) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:00,015 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 735 758) no Hoare annotation was computed. [2020-07-20 16:22:00,015 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:22:00,015 INFO L268 CegarLoopResult]: For program point L739(lines 738 757) no Hoare annotation was computed. [2020-07-20 16:22:00,015 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2020-07-20 16:22:00,016 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2020-07-20 16:22:00,016 INFO L271 CegarLoopResult]: At program point L566(lines 541 570) the Hoare annotation is: true [2020-07-20 16:22:00,016 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 16:22:00,016 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-07-20 16:22:00,016 INFO L271 CegarLoopResult]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2020-07-20 16:22:00,016 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-20 16:22:00,016 INFO L271 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2020-07-20 16:22:00,016 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-07-20 16:22:00,017 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-07-20 16:22:00,017 INFO L268 CegarLoopResult]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2020-07-20 16:22:00,017 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2020-07-20 16:22:00,017 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2020-07-20 16:22:00,017 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2020-07-20 16:22:00,017 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2020-07-20 16:22:00,017 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:00,017 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:22:00,017 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:22:00,018 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:00,018 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2020-07-20 16:22:00,018 INFO L268 CegarLoopResult]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2020-07-20 16:22:00,018 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: true [2020-07-20 16:22:00,018 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2020-07-20 16:22:00,018 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-07-20 16:22:00,018 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2020-07-20 16:22:00,018 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2020-07-20 16:22:00,018 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 639 663) the Hoare annotation is: true [2020-07-20 16:22:00,019 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 639 663) no Hoare annotation was computed. [2020-07-20 16:22:00,019 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:22:00,019 INFO L268 CegarLoopResult]: For program point L651(lines 651 657) no Hoare annotation was computed. [2020-07-20 16:22:00,019 INFO L271 CegarLoopResult]: At program point L649(line 649) the Hoare annotation is: true [2020-07-20 16:22:00,019 INFO L268 CegarLoopResult]: For program point L649-1(line 649) no Hoare annotation was computed. [2020-07-20 16:22:00,019 INFO L268 CegarLoopResult]: For program point L647(lines 647 660) no Hoare annotation was computed. [2020-07-20 16:22:00,019 INFO L268 CegarLoopResult]: For program point L647-1(lines 639 663) no Hoare annotation was computed. [2020-07-20 16:22:00,019 INFO L271 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: true [2020-07-20 16:22:00,020 INFO L268 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-07-20 16:22:00,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:22:00 BoogieIcfgContainer [2020-07-20 16:22:00,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:22:00,037 INFO L168 Benchmark]: Toolchain (without parser) took 6047.30 ms. Allocated memory was 145.2 MB in the beginning and 247.5 MB in the end (delta: 102.2 MB). Free memory was 100.4 MB in the beginning and 101.2 MB in the end (delta: -774.3 kB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:00,038 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:22:00,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.37 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.0 MB in the beginning and 172.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:00,040 INFO L168 Benchmark]: Boogie Preprocessor took 109.33 ms. Allocated memory is still 202.4 MB. Free memory was 172.2 MB in the beginning and 167.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:00,041 INFO L168 Benchmark]: RCFGBuilder took 1155.21 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 167.5 MB in the beginning and 201.2 MB in the end (delta: -33.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:00,042 INFO L168 Benchmark]: TraceAbstraction took 4072.98 ms. Allocated memory was 235.9 MB in the beginning and 247.5 MB in the end (delta: 11.5 MB). Free memory was 199.7 MB in the beginning and 101.2 MB in the end (delta: 98.5 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:00,046 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.37 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.0 MB in the beginning and 172.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.33 ms. Allocated memory is still 202.4 MB. Free memory was 172.2 MB in the beginning and 167.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1155.21 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 167.5 MB in the beginning and 201.2 MB in the end (delta: -33.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4072.98 ms. Allocated memory was 235.9 MB in the beginning and 247.5 MB in the end (delta: 11.5 MB). Free memory was 199.7 MB in the beginning and 101.2 MB in the end (delta: 98.5 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || (0 == pumpRunning && splverifierCounter <= 0) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= systemActive) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 141 SDslu, 277 SDs, 0 SdLazy, 50 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 158 PreInvPairs, 165 NumberOfFragments, 305 HoareAnnotationTreeSize, 158 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 244 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 203 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 16157 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2537 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...