/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_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:03:10,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:03:10,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:03:10,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:03:10,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:03:10,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:03:10,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:03:10,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:03:10,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:03:10,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:03:10,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:03:10,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:03:10,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:03:10,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:03:10,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:03:10,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:03:10,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:03:10,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:03:10,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:03:10,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:03:10,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:03:10,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:03:10,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:03:10,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:03:10,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:03:10,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:03:10,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:03:10,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:03:10,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:03:10,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:03:10,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:03:10,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:03:10,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:03:10,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:03:10,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:03:10,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:03:10,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:03:10,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:03:10,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:03:10,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:03:10,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:03:10,552 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 13:03:10,567 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:03:10,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:03:10,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:03:10,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:03:10,569 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:03:10,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:03:10,569 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:03:10,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:03:10,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:03:10,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:03:10,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:03:10,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:03:10,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:03:10,571 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:03:10,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:03:10,571 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:03:10,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:03:10,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:03:10,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:03:10,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:03:10,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:03:10,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:03:10,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:03:10,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:03:10,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:03:10,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:03:10,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:10,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:03:10,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:03:10,574 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_FUNCTIONS 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 13:03:10,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:03:10,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:03:10,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:03:10,896 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:03:10,898 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:03:10,899 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-07-20 13:03:10,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da3a23a1/16266cc4c606400b9696af63ab5010d3/FLAG4163a7eb6 [2020-07-20 13:03:11,492 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:03:11,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-07-20 13:03:11,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da3a23a1/16266cc4c606400b9696af63ab5010d3/FLAG4163a7eb6 [2020-07-20 13:03:11,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da3a23a1/16266cc4c606400b9696af63ab5010d3 [2020-07-20 13:03:11,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:03:11,811 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:03:11,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:11,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:03:11,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:03:11,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:11" (1/1) ... [2020-07-20 13:03:11,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d0d0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:11, skipping insertion in model container [2020-07-20 13:03:11,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:11" (1/1) ... [2020-07-20 13:03:11,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:03:11,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:03:12,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:12,288 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:03:12,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:12,458 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:03:12,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12 WrapperNode [2020-07-20 13:03:12,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:12,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:03:12,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:03:12,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:03:12,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12" (1/1) ... [2020-07-20 13:03:12,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12" (1/1) ... [2020-07-20 13:03:12,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12" (1/1) ... [2020-07-20 13:03:12,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12" (1/1) ... [2020-07-20 13:03:12,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12" (1/1) ... [2020-07-20 13:03:12,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12" (1/1) ... [2020-07-20 13:03:12,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12" (1/1) ... [2020-07-20 13:03:12,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:03:12,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:03:12,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:03:12,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:03:12,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12" (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 13:03:12,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:03:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:03:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:12,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:03:12,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:03:12,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:03:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:03:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:03:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:03:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:03:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:03:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:03:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:03:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:03:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-20 13:03:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:03:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:03:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:03:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:03:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:03:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:03:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:03:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:03:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:03:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:03:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:03:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:03:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:03:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:03:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:03:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:03:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:03:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:03:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:03:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:03:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:03:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:03:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:03:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:03:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:03:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:03:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:03:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:03:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:03:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:03:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:03:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:03:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:03:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:03:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:03:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:03:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:03:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:03:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:03:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:03:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:03:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:03:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:03:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:03:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:03:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:03:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:03:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:03:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:03:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:03:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:03:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:03:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:03:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:03:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:03:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:03:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-20 13:03:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:03:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:03:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:03:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:03:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:03:13,663 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:03:13,663 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:03:13,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:13 BoogieIcfgContainer [2020-07-20 13:03:13,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:03:13,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:03:13,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:03:13,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:03:13,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:03:11" (1/3) ... [2020-07-20 13:03:13,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c011f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:13, skipping insertion in model container [2020-07-20 13:03:13,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:12" (2/3) ... [2020-07-20 13:03:13,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c011f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:13, skipping insertion in model container [2020-07-20 13:03:13,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:13" (3/3) ... [2020-07-20 13:03:13,677 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2020-07-20 13:03:13,687 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:03:13,696 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:03:13,710 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:03:13,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:03:13,735 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:03:13,735 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:03:13,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:03:13,736 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:03:13,736 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:03:13,736 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:03:13,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:03:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-07-20 13:03:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:03:13,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:13,769 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 13:03:13,773 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:13,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:13,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1687671781, now seen corresponding path program 1 times [2020-07-20 13:03:13,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:13,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1943319025] [2020-07-20 13:03:13,790 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 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 13:03:14,337 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:14,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:14,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:03:14,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:14,383 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 13:03:14,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:14,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1943319025] [2020-07-20 13:03:14,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:14,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:03:14,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085456929] [2020-07-20 13:03:14,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:03:14,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:14,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:03:14,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:14,414 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2020-07-20 13:03:14,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:14,458 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2020-07-20 13:03:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:03:14,460 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:03:14,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:14,472 INFO L225 Difference]: With dead ends: 170 [2020-07-20 13:03:14,472 INFO L226 Difference]: Without dead ends: 85 [2020-07-20 13:03:14,476 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 13:03:14,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-20 13:03:14,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-07-20 13:03:14,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-20 13:03:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-07-20 13:03:14,537 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-07-20 13:03:14,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:14,538 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-07-20 13:03:14,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:03:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-07-20 13:03:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:03:14,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:14,542 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 13:03:14,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:14,756 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:14,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:14,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1046203216, now seen corresponding path program 1 times [2020-07-20 13:03:14,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:14,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989165265] [2020-07-20 13:03:14,757 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 13:03:15,271 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:15,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:15,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:15,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:15,321 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 13:03:15,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:15,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989165265] [2020-07-20 13:03:15,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:15,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:15,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284730185] [2020-07-20 13:03:15,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:15,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:15,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:15,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:15,325 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2020-07-20 13:03:15,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:15,342 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2020-07-20 13:03:15,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:15,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:03:15,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:15,344 INFO L225 Difference]: With dead ends: 115 [2020-07-20 13:03:15,345 INFO L226 Difference]: Without dead ends: 76 [2020-07-20 13:03:15,346 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 13:03:15,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-20 13:03:15,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-20 13:03:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 13:03:15,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-07-20 13:03:15,372 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-07-20 13:03:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:15,372 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-07-20 13:03:15,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-07-20 13:03:15,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:03:15,376 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:15,377 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 13:03:15,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:15,592 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:15,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:15,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1948536442, now seen corresponding path program 1 times [2020-07-20 13:03:15,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:15,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067034707] [2020-07-20 13:03:15,595 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 13:03:15,999 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:15,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:16,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:03:16,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:16,041 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 13:03:16,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:16,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067034707] [2020-07-20 13:03:16,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:16,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:16,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758282293] [2020-07-20 13:03:16,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:16,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:16,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:16,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:16,044 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 3 states. [2020-07-20 13:03:16,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:16,058 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2020-07-20 13:03:16,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:16,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:03:16,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:16,063 INFO L225 Difference]: With dead ends: 128 [2020-07-20 13:03:16,063 INFO L226 Difference]: Without dead ends: 76 [2020-07-20 13:03:16,064 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 13:03:16,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-20 13:03:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-20 13:03:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 13:03:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-07-20 13:03:16,084 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-07-20 13:03:16,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:16,085 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-07-20 13:03:16,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:16,086 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-07-20 13:03:16,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 13:03:16,090 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:16,090 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] [2020-07-20 13:03:16,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:16,304 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:16,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:16,304 INFO L82 PathProgramCache]: Analyzing trace with hash -952018290, now seen corresponding path program 1 times [2020-07-20 13:03:16,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:16,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489211941] [2020-07-20 13:03:16,305 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 13:03:16,833 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:16,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:16,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:03:16,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:16,896 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 13:03:16,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:16,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489211941] [2020-07-20 13:03:16,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:16,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:16,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391171711] [2020-07-20 13:03:16,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:16,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:16,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:16,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:16,899 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 6 states. [2020-07-20 13:03:17,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:17,084 INFO L93 Difference]: Finished difference Result 169 states and 202 transitions. [2020-07-20 13:03:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:17,085 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-07-20 13:03:17,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:17,089 INFO L225 Difference]: With dead ends: 169 [2020-07-20 13:03:17,089 INFO L226 Difference]: Without dead ends: 117 [2020-07-20 13:03:17,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 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 13:03:17,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-20 13:03:17,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-20 13:03:17,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-20 13:03:17,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2020-07-20 13:03:17,108 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 55 [2020-07-20 13:03:17,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:17,108 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2020-07-20 13:03:17,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2020-07-20 13:03:17,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:03:17,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:17,110 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 13:03:17,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:17,324 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:17,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:17,325 INFO L82 PathProgramCache]: Analyzing trace with hash -939297624, now seen corresponding path program 1 times [2020-07-20 13:03:17,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:17,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39618944] [2020-07-20 13:03:17,326 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 13:03:17,472 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 13:03:17,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:17,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:03:17,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:17,509 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 13:03:17,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:17,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39618944] [2020-07-20 13:03:17,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:17,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:17,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238579774] [2020-07-20 13:03:17,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:17,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:17,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:17,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:17,515 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand 3 states. [2020-07-20 13:03:17,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:17,526 INFO L93 Difference]: Finished difference Result 156 states and 183 transitions. [2020-07-20 13:03:17,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:17,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-07-20 13:03:17,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:17,527 INFO L225 Difference]: With dead ends: 156 [2020-07-20 13:03:17,528 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:03:17,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 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 13:03:17,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:03:17,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:03:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:03:17,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:03:17,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-20 13:03:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:17,532 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:03:17,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:03:17,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:03:17,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:17,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:03:18,429 INFO L268 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-07-20 13:03:18,429 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2020-07-20 13:03:18,429 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-20 13:03:18,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2020-07-20 13:03:18,430 INFO L268 CegarLoopResult]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2020-07-20 13:03:18,430 INFO L268 CegarLoopResult]: For program point L168(lines 145 169) no Hoare annotation was computed. [2020-07-20 13:03:18,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2020-07-20 13:03:18,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2020-07-20 13:03:18,430 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-20 13:03:18,431 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-07-20 13:03:18,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2020-07-20 13:03:18,431 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-07-20 13:03:18,431 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-07-20 13:03:18,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2020-07-20 13:03:18,431 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-20 13:03:18,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2020-07-20 13:03:18,432 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2020-07-20 13:03:18,432 INFO L268 CegarLoopResult]: For program point L229(lines 202 230) no Hoare annotation was computed. [2020-07-20 13:03:18,433 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2020-07-20 13:03:18,433 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2020-07-20 13:03:18,433 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2020-07-20 13:03:18,433 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2020-07-20 13:03:18,433 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2020-07-20 13:03:18,434 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-20 13:03:18,434 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:03:18,434 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-20 13:03:18,434 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:03:18,434 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-20 13:03:18,434 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-20 13:03:18,434 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-20 13:03:18,435 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-20 13:03:18,435 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-20 13:03:18,435 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-20 13:03:18,435 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 524 546) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,435 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 524 546) no Hoare annotation was computed. [2020-07-20 13:03:18,435 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,435 INFO L264 CegarLoopResult]: At program point L536-1(line 536) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,437 INFO L268 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2020-07-20 13:03:18,437 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 541) no Hoare annotation was computed. [2020-07-20 13:03:18,437 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 13:03:18,437 INFO L264 CegarLoopResult]: At program point L531(line 531) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,438 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,438 INFO L264 CegarLoopResult]: At program point L530-1(line 530) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,438 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 524 546) no Hoare annotation was computed. [2020-07-20 13:03:18,438 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-07-20 13:03:18,438 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-07-20 13:03:18,438 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-07-20 13:03:18,439 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 13:03:18,439 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 13:03:18,439 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-20 13:03:18,439 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 13:03:18,441 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 13:03:18,441 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-20 13:03:18,441 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 13:03:18,441 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 13:03:18,441 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-07-20 13:03:18,441 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 13:03:18,442 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 13:03:18,442 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-20 13:03:18,442 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 13:03:18,442 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 13:03:18,443 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 588 595) no Hoare annotation was computed. [2020-07-20 13:03:18,443 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 588 595) no Hoare annotation was computed. [2020-07-20 13:03:18,443 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 588 595) no Hoare annotation was computed. [2020-07-20 13:03:18,443 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-20 13:03:18,443 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-20 13:03:18,443 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-20 13:03:18,443 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-20 13:03:18,444 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-20 13:03:18,444 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-20 13:03:18,444 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-20 13:03:18,444 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-20 13:03:18,444 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-20 13:03:18,444 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-20 13:03:18,445 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-20 13:03:18,445 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-20 13:03:18,448 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2020-07-20 13:03:18,448 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2020-07-20 13:03:18,448 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2020-07-20 13:03:18,449 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2020-07-20 13:03:18,449 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2020-07-20 13:03:18,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2020-07-20 13:03:18,449 INFO L268 CegarLoopResult]: For program point L408(lines 408 415) no Hoare annotation was computed. [2020-07-20 13:03:18,449 INFO L268 CegarLoopResult]: For program point L402(lines 402 422) no Hoare annotation was computed. [2020-07-20 13:03:18,449 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2020-07-20 13:03:18,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2020-07-20 13:03:18,450 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2020-07-20 13:03:18,450 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,450 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2020-07-20 13:03:18,450 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2020-07-20 13:03:18,450 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 622 632) no Hoare annotation was computed. [2020-07-20 13:03:18,450 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-20 13:03:18,450 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-20 13:03:18,450 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-07-20 13:03:18,451 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-20 13:03:18,451 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 614 621) no Hoare annotation was computed. [2020-07-20 13:03:18,451 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-20 13:03:18,451 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-20 13:03:18,451 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 587) no Hoare annotation was computed. [2020-07-20 13:03:18,451 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 581 587) the Hoare annotation is: true [2020-07-20 13:03:18,452 INFO L264 CegarLoopResult]: At program point testENTRY(lines 687 752) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,452 INFO L268 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2020-07-20 13:03:18,452 INFO L264 CegarLoopResult]: At program point L735-2(lines 727 740) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:18,452 INFO L268 CegarLoopResult]: For program point L698(lines 697 744) no Hoare annotation was computed. [2020-07-20 13:03:18,453 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:18,453 INFO L268 CegarLoopResult]: For program point L727(lines 727 740) no Hoare annotation was computed. [2020-07-20 13:03:18,453 INFO L268 CegarLoopResult]: For program point testFINAL(lines 687 752) no Hoare annotation was computed. [2020-07-20 13:03:18,453 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:18,453 INFO L268 CegarLoopResult]: For program point L717(lines 717 723) no Hoare annotation was computed. [2020-07-20 13:03:18,453 INFO L268 CegarLoopResult]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2020-07-20 13:03:18,454 INFO L264 CegarLoopResult]: At program point L742(lines 697 744) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:18,454 INFO L264 CegarLoopResult]: At program point L709(line 709) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:18,454 INFO L268 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2020-07-20 13:03:18,454 INFO L268 CegarLoopResult]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2020-07-20 13:03:18,454 INFO L268 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-07-20 13:03:18,454 INFO L264 CegarLoopResult]: At program point L745(lines 696 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,454 INFO L268 CegarLoopResult]: For program point testEXIT(lines 687 752) no Hoare annotation was computed. [2020-07-20 13:03:18,455 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2020-07-20 13:03:18,455 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2020-07-20 13:03:18,455 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2020-07-20 13:03:18,455 INFO L268 CegarLoopResult]: For program point L362(lines 362 369) no Hoare annotation was computed. [2020-07-20 13:03:18,455 INFO L268 CegarLoopResult]: For program point L356(lines 356 376) no Hoare annotation was computed. [2020-07-20 13:03:18,455 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2020-07-20 13:03:18,455 INFO L268 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2020-07-20 13:03:18,456 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 801 823) no Hoare annotation was computed. [2020-07-20 13:03:18,456 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2020-07-20 13:03:18,456 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 801 823) no Hoare annotation was computed. [2020-07-20 13:03:18,456 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 801 823) no Hoare annotation was computed. [2020-07-20 13:03:18,456 INFO L268 CegarLoopResult]: For program point L289(lines 288 308) no Hoare annotation was computed. [2020-07-20 13:03:18,456 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-07-20 13:03:18,456 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-07-20 13:03:18,456 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2020-07-20 13:03:18,456 INFO L268 CegarLoopResult]: For program point L285(lines 285 326) no Hoare annotation was computed. [2020-07-20 13:03:18,457 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-07-20 13:03:18,457 INFO L268 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-07-20 13:03:18,457 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-07-20 13:03:18,457 INFO L268 CegarLoopResult]: For program point L327(lines 327 338) no Hoare annotation was computed. [2020-07-20 13:03:18,457 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2020-07-20 13:03:18,457 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-07-20 13:03:18,457 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2020-07-20 13:03:18,458 INFO L268 CegarLoopResult]: For program point L309(lines 287 310) no Hoare annotation was computed. [2020-07-20 13:03:18,458 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2020-07-20 13:03:18,458 INFO L268 CegarLoopResult]: For program point L268(lines 268 284) no Hoare annotation was computed. [2020-07-20 13:03:18,458 INFO L268 CegarLoopResult]: For program point L328(lines 328 335) no Hoare annotation was computed. [2020-07-20 13:03:18,458 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 835 844) no Hoare annotation was computed. [2020-07-20 13:03:18,458 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 835 844) no Hoare annotation was computed. [2020-07-20 13:03:18,458 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 835 844) no Hoare annotation was computed. [2020-07-20 13:03:18,458 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:18,459 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:18,459 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:18,459 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-07-20 13:03:18,459 INFO L268 CegarLoopResult]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2020-07-20 13:03:18,459 INFO L268 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2020-07-20 13:03:18,459 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2020-07-20 13:03:18,459 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-20 13:03:18,459 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-20 13:03:18,460 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 597 613) no Hoare annotation was computed. [2020-07-20 13:03:18,460 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 824 832) the Hoare annotation is: true [2020-07-20 13:03:18,460 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 824 832) no Hoare annotation was computed. [2020-07-20 13:03:18,460 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 824 832) no Hoare annotation was computed. [2020-07-20 13:03:18,460 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:18,460 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:03:18,460 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:18,460 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-07-20 13:03:18,461 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 780 791) the Hoare annotation is: true [2020-07-20 13:03:18,461 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-07-20 13:03:18,461 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:18,461 INFO L264 CegarLoopResult]: At program point L568(lines 568 574) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:18,461 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:03:18,462 INFO L268 CegarLoopResult]: For program point L561(lines 560 579) no Hoare annotation was computed. [2020-07-20 13:03:18,462 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 557 580) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:18,462 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 557 580) no Hoare annotation was computed. [2020-07-20 13:03:18,462 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 557 580) no Hoare annotation was computed. [2020-07-20 13:03:18,462 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-07-20 13:03:18,462 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-07-20 13:03:18,462 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-07-20 13:03:18,462 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 13:03:18,463 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-07-20 13:03:18,464 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-07-20 13:03:18,464 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 13:03:18,464 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-07-20 13:03:18,465 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-07-20 13:03:18,465 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-20 13:03:18,465 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 792 800) no Hoare annotation was computed. [2020-07-20 13:03:18,465 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 792 800) no Hoare annotation was computed. [2020-07-20 13:03:18,465 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 792 800) no Hoare annotation was computed. [2020-07-20 13:03:18,465 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 756 767) the Hoare annotation is: true [2020-07-20 13:03:18,465 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 756 767) no Hoare annotation was computed. [2020-07-20 13:03:18,466 INFO L268 CegarLoopResult]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2020-07-20 13:03:18,466 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-07-20 13:03:18,466 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-07-20 13:03:18,466 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:18,466 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 13:03:18,466 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:18,466 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:18,466 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 678 685) no Hoare annotation was computed. [2020-07-20 13:03:18,467 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 678 685) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:18,467 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 678 685) no Hoare annotation was computed. [2020-07-20 13:03:18,467 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 768 779) no Hoare annotation was computed. [2020-07-20 13:03:18,467 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 768 779) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:18,467 INFO L268 CegarLoopResult]: For program point L772-1(lines 768 779) no Hoare annotation was computed. [2020-07-20 13:03:18,467 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2020-07-20 13:03:18,467 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-07-20 13:03:18,469 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2020-07-20 13:03:18,469 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2020-07-20 13:03:18,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:03:18 BoogieIcfgContainer [2020-07-20 13:03:18,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:03:18,494 INFO L168 Benchmark]: Toolchain (without parser) took 6682.20 ms. Allocated memory was 139.5 MB in the beginning and 283.1 MB in the end (delta: 143.7 MB). Free memory was 103.6 MB in the beginning and 180.2 MB in the end (delta: -76.6 MB). Peak memory consumption was 117.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:18,495 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:03:18,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.39 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 174.7 MB in the end (delta: -71.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:18,497 INFO L168 Benchmark]: Boogie Preprocessor took 92.52 ms. Allocated memory is still 203.4 MB. Free memory was 174.7 MB in the beginning and 170.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:18,497 INFO L168 Benchmark]: RCFGBuilder took 1116.36 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 170.1 MB in the beginning and 203.7 MB in the end (delta: -33.6 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:18,498 INFO L168 Benchmark]: TraceAbstraction took 4820.97 ms. Allocated memory was 237.0 MB in the beginning and 283.1 MB in the end (delta: 46.1 MB). Free memory was 202.3 MB in the beginning and 180.2 MB in the end (delta: 22.1 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:18,505 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.39 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 174.7 MB in the end (delta: -71.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.52 ms. Allocated memory is still 203.4 MB. Free memory was 174.7 MB in the beginning and 170.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1116.36 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 170.1 MB in the beginning and 203.7 MB in the end (delta: -33.6 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4820.97 ms. Allocated memory was 237.0 MB in the beginning and 283.1 MB in the end (delta: 46.1 MB). Free memory was 202.3 MB in the beginning and 180.2 MB in the end (delta: 22.1 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 696]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))) || ((1 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 435 SDtfs, 124 SDslu, 360 SDs, 0 SdLazy, 63 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 147 PreInvPairs, 155 NumberOfFragments, 436 HoareAnnotationTreeSize, 147 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 259 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 25794 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2823 ConjunctsInSsa, 28 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...