/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:03:22,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:03:22,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:03:22,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:03:22,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:03:22,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:03:22,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:03:22,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:03:22,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:03:22,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:03:22,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:03:22,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:03:22,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:03:22,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:03:22,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:03:22,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:03:22,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:03:22,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:03:22,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:03:22,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:03:22,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:03:22,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:03:22,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:03:22,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:03:22,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:03:22,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:03:22,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:03:22,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:03:22,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:03:22,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:03:22,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:03:22,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:03:22,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:03:22,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:03:22,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:03:22,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:03:22,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:03:22,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:03:22,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:03:22,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:03:22,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:03:22,444 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 13:03:22,458 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:03:22,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:03:22,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:03:22,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:03:22,460 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:03:22,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:03:22,460 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:03:22,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:03:22,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:03:22,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:03:22,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:03:22,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:03:22,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:03:22,462 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:03:22,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:03:22,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:03:22,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:03:22,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:03:22,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:03:22,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:03:22,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:03:22,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:03:22,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:03:22,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:03:22,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:03:22,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:03:22,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:22,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:03:22,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:03:22,465 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 13:03:22,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:03:22,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:03:22,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:03:22,779 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:03:22,779 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:03:22,780 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-07-20 13:03:22,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6577559b1/dcfc934a62cc45c29acc2921fbe5938c/FLAG7ebead192 [2020-07-20 13:03:23,438 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:03:23,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-07-20 13:03:23,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6577559b1/dcfc934a62cc45c29acc2921fbe5938c/FLAG7ebead192 [2020-07-20 13:03:23,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6577559b1/dcfc934a62cc45c29acc2921fbe5938c [2020-07-20 13:03:23,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:03:23,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:03:23,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:23,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:03:23,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:03:23,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:23" (1/1) ... [2020-07-20 13:03:23,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ad17d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:23, skipping insertion in model container [2020-07-20 13:03:23,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:23" (1/1) ... [2020-07-20 13:03:23,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:03:23,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:03:24,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:24,309 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:03:24,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:24,417 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:03:24,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24 WrapperNode [2020-07-20 13:03:24,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:24,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:03:24,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:03:24,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:03:24,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24" (1/1) ... [2020-07-20 13:03:24,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24" (1/1) ... [2020-07-20 13:03:24,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24" (1/1) ... [2020-07-20 13:03:24,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24" (1/1) ... [2020-07-20 13:03:24,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24" (1/1) ... [2020-07-20 13:03:24,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24" (1/1) ... [2020-07-20 13:03:24,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24" (1/1) ... [2020-07-20 13:03:24,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:03:24,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:03:24,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:03:24,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:03:24,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24" (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 13:03:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:03:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:03:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:03:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:03:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:03:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:03:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:03:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:03:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:03:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:03:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:03:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:03:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:03:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 13:03:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:03:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:03:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:03:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:03:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:03:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:03:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:03:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:03:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:03:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:03:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:03:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:03:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:03:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:03:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:03:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:03:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:03:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:03:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:03:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:03:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:03:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:03:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:03:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:03:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:03:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:03:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:03:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:03:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:03:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:03:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:03:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:03:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:03:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:03:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:03:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:03:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:03:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:03:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:03:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:03:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:03:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:03:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:03:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:03:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:03:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:03:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:03:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:03:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:03:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:03:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:03:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:03:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:03:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:03:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:03:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:03:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:03:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:03:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:03:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:03:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:03:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:03:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 13:03:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:03:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:03:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:03:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:03:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:03:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:03:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:03:25,686 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:03:25,686 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:03:25,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:25 BoogieIcfgContainer [2020-07-20 13:03:25,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:03:25,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:03:25,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:03:25,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:03:25,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:03:23" (1/3) ... [2020-07-20 13:03:25,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbbc677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:25, skipping insertion in model container [2020-07-20 13:03:25,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:24" (2/3) ... [2020-07-20 13:03:25,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbbc677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:25, skipping insertion in model container [2020-07-20 13:03:25,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:25" (3/3) ... [2020-07-20 13:03:25,701 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-07-20 13:03:25,712 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:03:25,721 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:03:25,736 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:03:25,764 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:03:25,764 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:03:25,764 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:03:25,764 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:03:25,765 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:03:25,765 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:03:25,765 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:03:25,766 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:03:25,792 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-07-20 13:03:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:03:25,809 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:25,810 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 13:03:25,810 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:25,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:25,819 INFO L82 PathProgramCache]: Analyzing trace with hash -62573292, now seen corresponding path program 1 times [2020-07-20 13:03:25,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:25,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700639080] [2020-07-20 13:03:25,831 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 13:03:26,372 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:26,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:26,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:03:26,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:26,418 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 13:03:26,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:26,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700639080] [2020-07-20 13:03:26,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:26,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:03:26,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277265606] [2020-07-20 13:03:26,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:03:26,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:26,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:03:26,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:26,443 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2020-07-20 13:03:26,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:26,486 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2020-07-20 13:03:26,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:03:26,487 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:03:26,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:26,502 INFO L225 Difference]: With dead ends: 264 [2020-07-20 13:03:26,503 INFO L226 Difference]: Without dead ends: 132 [2020-07-20 13:03:26,508 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 13:03:26,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-20 13:03:26,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-07-20 13:03:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-20 13:03:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-07-20 13:03:26,576 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2020-07-20 13:03:26,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:26,577 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-07-20 13:03:26,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:03:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-07-20 13:03:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:03:26,581 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:26,581 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 13:03:26,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:26,796 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:26,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:26,797 INFO L82 PathProgramCache]: Analyzing trace with hash 374870047, now seen corresponding path program 1 times [2020-07-20 13:03:26,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:26,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608266689] [2020-07-20 13:03:26,799 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 13:03:27,229 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:27,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:27,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:27,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:27,293 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 13:03:27,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:27,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608266689] [2020-07-20 13:03:27,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:27,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:27,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145677179] [2020-07-20 13:03:27,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:27,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:27,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:27,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:27,299 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2020-07-20 13:03:27,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:27,333 INFO L93 Difference]: Finished difference Result 203 states and 237 transitions. [2020-07-20 13:03:27,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:27,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:03:27,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:27,336 INFO L225 Difference]: With dead ends: 203 [2020-07-20 13:03:27,336 INFO L226 Difference]: Without dead ends: 123 [2020-07-20 13:03:27,338 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 13:03:27,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-20 13:03:27,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-20 13:03:27,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-20 13:03:27,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-20 13:03:27,353 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-07-20 13:03:27,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:27,353 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-20 13:03:27,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-20 13:03:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:03:27,356 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:27,356 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 13:03:27,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:27,570 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:27,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:27,571 INFO L82 PathProgramCache]: Analyzing trace with hash 727440706, now seen corresponding path program 1 times [2020-07-20 13:03:27,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:27,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262178923] [2020-07-20 13:03:27,572 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 13:03:27,995 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:27,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:28,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:03:28,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:28,044 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 13:03:28,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:28,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262178923] [2020-07-20 13:03:28,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:28,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:28,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848172112] [2020-07-20 13:03:28,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:28,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:28,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:28,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:28,049 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 3 states. [2020-07-20 13:03:28,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:28,111 INFO L93 Difference]: Finished difference Result 317 states and 380 transitions. [2020-07-20 13:03:28,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:28,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:03:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:28,120 INFO L225 Difference]: With dead ends: 317 [2020-07-20 13:03:28,120 INFO L226 Difference]: Without dead ends: 218 [2020-07-20 13:03:28,122 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 13:03:28,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-20 13:03:28,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 212. [2020-07-20 13:03:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-07-20 13:03:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 253 transitions. [2020-07-20 13:03:28,178 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 253 transitions. Word has length 52 [2020-07-20 13:03:28,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:28,178 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 253 transitions. [2020-07-20 13:03:28,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 253 transitions. [2020-07-20 13:03:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 13:03:28,184 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:28,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:28,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:28,398 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:28,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:28,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1814289492, now seen corresponding path program 1 times [2020-07-20 13:03:28,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:28,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274127190] [2020-07-20 13:03:28,400 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 13:03:28,847 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:28,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:28,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:03:28,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:28,914 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 13:03:28,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:28,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274127190] [2020-07-20 13:03:28,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:28,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:28,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121354786] [2020-07-20 13:03:28,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:28,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:28,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:28,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:28,916 INFO L87 Difference]: Start difference. First operand 212 states and 253 transitions. Second operand 6 states. [2020-07-20 13:03:29,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:29,162 INFO L93 Difference]: Finished difference Result 569 states and 703 transitions. [2020-07-20 13:03:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:29,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 13:03:29,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:29,167 INFO L225 Difference]: With dead ends: 569 [2020-07-20 13:03:29,167 INFO L226 Difference]: Without dead ends: 381 [2020-07-20 13:03:29,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:03:29,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-07-20 13:03:29,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2020-07-20 13:03:29,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-07-20 13:03:29,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 464 transitions. [2020-07-20 13:03:29,209 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 464 transitions. Word has length 57 [2020-07-20 13:03:29,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:29,210 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 464 transitions. [2020-07-20 13:03:29,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 464 transitions. [2020-07-20 13:03:29,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 13:03:29,214 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:29,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:29,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:29,416 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:29,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:29,416 INFO L82 PathProgramCache]: Analyzing trace with hash 176933658, now seen corresponding path program 1 times [2020-07-20 13:03:29,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:29,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753444804] [2020-07-20 13:03:29,418 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 13:03:29,735 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:29,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:29,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:03:29,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:29,757 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 13:03:29,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:29,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753444804] [2020-07-20 13:03:29,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:29,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:29,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793177292] [2020-07-20 13:03:29,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:29,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:29,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:29,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:29,759 INFO L87 Difference]: Start difference. First operand 381 states and 464 transitions. Second operand 3 states. [2020-07-20 13:03:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:29,793 INFO L93 Difference]: Finished difference Result 482 states and 597 transitions. [2020-07-20 13:03:29,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:29,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 13:03:29,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:29,794 INFO L225 Difference]: With dead ends: 482 [2020-07-20 13:03:29,795 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:03:29,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 13:03:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:03:29,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:03:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:03:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:03:29,816 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-07-20 13:03:29,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:29,816 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:03:29,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:29,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:03:29,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:03:30,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:30,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:03:31,013 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-20 13:03:31,013 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2020-07-20 13:03:31,013 INFO L268 CegarLoopResult]: For program point L243(lines 220 244) no Hoare annotation was computed. [2020-07-20 13:03:31,013 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2020-07-20 13:03:31,013 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2020-07-20 13:03:31,013 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-20 13:03:31,013 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point L284(lines 284 288) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point L304(lines 277 305) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2020-07-20 13:03:31,014 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-07-20 13:03:31,015 INFO L268 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-07-20 13:03:31,015 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2020-07-20 13:03:31,015 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2020-07-20 13:03:31,015 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2020-07-20 13:03:31,015 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2020-07-20 13:03:31,015 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2020-07-20 13:03:31,015 INFO L264 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 13:03:31,016 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2020-07-20 13:03:31,016 INFO L268 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-07-20 13:03:31,016 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 13:03:31,016 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-07-20 13:03:31,016 INFO L268 CegarLoopResult]: For program point L889(lines 889 902) no Hoare annotation was computed. [2020-07-20 13:03:31,016 INFO L268 CegarLoopResult]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2020-07-20 13:03:31,017 INFO L271 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: true [2020-07-20 13:03:31,017 INFO L268 CegarLoopResult]: For program point L887-1(line 887) no Hoare annotation was computed. [2020-07-20 13:03:31,017 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2020-07-20 13:03:31,017 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-20 13:03:31,017 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 13:03:31,017 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,018 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,018 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,018 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,018 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-20 13:03:31,018 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-20 13:03:31,018 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,019 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,019 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-20 13:03:31,019 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 13:03:31,019 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 13:03:31,020 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 13:03:31,020 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 13:03:31,020 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 13:03:31,020 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 13:03:31,020 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 13:03:31,020 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 13:03:31,020 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 13:03:31,020 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 13:03:31,021 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 13:03:31,021 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 13:03:31,021 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 13:03:31,021 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 13:03:31,021 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 13:03:31,021 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 13:03:31,021 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 13:03:31,021 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2020-07-20 13:03:31,022 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 13:03:31,022 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2020-07-20 13:03:31,022 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:31,022 INFO L268 CegarLoopResult]: For program point L770(lines 770 776) no Hoare annotation was computed. [2020-07-20 13:03:31,022 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2020-07-20 13:03:31,022 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2020-07-20 13:03:31,023 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2020-07-20 13:03:31,023 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-07-20 13:03:31,023 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2020-07-20 13:03:31,023 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2020-07-20 13:03:31,023 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-07-20 13:03:31,023 INFO L271 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: true [2020-07-20 13:03:31,024 INFO L268 CegarLoopResult]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2020-07-20 13:03:31,024 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2020-07-20 13:03:31,024 INFO L268 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2020-07-20 13:03:31,024 INFO L268 CegarLoopResult]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2020-07-20 13:03:31,024 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 711 746) no Hoare annotation was computed. [2020-07-20 13:03:31,024 INFO L268 CegarLoopResult]: For program point L718(lines 718 726) no Hoare annotation was computed. [2020-07-20 13:03:31,024 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2020-07-20 13:03:31,024 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 711 746) no Hoare annotation was computed. [2020-07-20 13:03:31,025 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-07-20 13:03:31,025 INFO L268 CegarLoopResult]: For program point L741-1(line 741) no Hoare annotation was computed. [2020-07-20 13:03:31,025 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 711 746) no Hoare annotation was computed. [2020-07-20 13:03:31,025 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2020-07-20 13:03:31,025 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2020-07-20 13:03:31,025 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2020-07-20 13:03:31,025 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2020-07-20 13:03:31,025 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2020-07-20 13:03:31,025 INFO L268 CegarLoopResult]: For program point L477(lines 477 497) no Hoare annotation was computed. [2020-07-20 13:03:31,026 INFO L268 CegarLoopResult]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2020-07-20 13:03:31,026 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2020-07-20 13:03:31,026 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2020-07-20 13:03:31,026 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2020-07-20 13:03:31,026 INFO L268 CegarLoopResult]: For program point L483(lines 483 490) no Hoare annotation was computed. [2020-07-20 13:03:31,026 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,026 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-20 13:03:31,026 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-20 13:03:31,026 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2020-07-20 13:03:31,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2020-07-20 13:03:31,027 INFO L271 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: true [2020-07-20 13:03:31,027 INFO L268 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-07-20 13:03:31,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2020-07-20 13:03:31,027 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2020-07-20 13:03:31,027 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2020-07-20 13:03:31,027 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2020-07-20 13:03:31,027 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:03:31,027 INFO L268 CegarLoopResult]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2020-07-20 13:03:31,027 INFO L264 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:31,027 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2020-07-20 13:03:31,027 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:31,028 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:03:31,028 INFO L268 CegarLoopResult]: For program point L658(lines 658 666) no Hoare annotation was computed. [2020-07-20 13:03:31,028 INFO L264 CegarLoopResult]: At program point L656(line 656) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:31,028 INFO L268 CegarLoopResult]: For program point L656-1(line 656) no Hoare annotation was computed. [2020-07-20 13:03:31,028 INFO L268 CegarLoopResult]: For program point L654(lines 654 671) no Hoare annotation was computed. [2020-07-20 13:03:31,028 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2020-07-20 13:03:31,028 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2020-07-20 13:03:31,028 INFO L264 CegarLoopResult]: At program point testENTRY(lines 512 579) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,028 INFO L264 CegarLoopResult]: At program point L572(lines 521 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,028 INFO L268 CegarLoopResult]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2020-07-20 13:03:31,029 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,029 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-07-20 13:03:31,029 INFO L264 CegarLoopResult]: At program point L560-1(lines 552 567) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,029 INFO L268 CegarLoopResult]: For program point L523(lines 522 571) no Hoare annotation was computed. [2020-07-20 13:03:31,029 INFO L264 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,029 INFO L268 CegarLoopResult]: For program point L552(lines 552 567) no Hoare annotation was computed. [2020-07-20 13:03:31,029 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,029 INFO L268 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-07-20 13:03:31,029 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2020-07-20 13:03:31,029 INFO L264 CegarLoopResult]: At program point L569(lines 522 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,030 INFO L264 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point L532(lines 532 538) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point L437(lines 437 444) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point L431(lines 431 451) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2020-07-20 13:03:31,030 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point L384(lines 362 385) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point L343(lines 343 359) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point L403(lines 403 410) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point L364(lines 363 383) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point L395-1(line 395) no Hoare annotation was computed. [2020-07-20 13:03:31,031 INFO L268 CegarLoopResult]: For program point L360(lines 360 401) no Hoare annotation was computed. [2020-07-20 13:03:31,032 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2020-07-20 13:03:31,032 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-07-20 13:03:31,032 INFO L268 CegarLoopResult]: For program point L379-1(line 379) no Hoare annotation was computed. [2020-07-20 13:03:31,032 INFO L268 CegarLoopResult]: For program point L338(lines 338 342) no Hoare annotation was computed. [2020-07-20 13:03:31,032 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 13:03:31,032 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2020-07-20 13:03:31,032 INFO L268 CegarLoopResult]: For program point L365(lines 365 369) no Hoare annotation was computed. [2020-07-20 13:03:31,032 INFO L268 CegarLoopResult]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2020-07-20 13:03:31,032 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 908 917) no Hoare annotation was computed. [2020-07-20 13:03:31,033 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 908 917) no Hoare annotation was computed. [2020-07-20 13:03:31,033 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 908 917) no Hoare annotation was computed. [2020-07-20 13:03:31,033 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:31,033 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:31,033 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:31,033 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2020-07-20 13:03:31,033 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2020-07-20 13:03:31,033 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 675 682) no Hoare annotation was computed. [2020-07-20 13:03:31,033 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-07-20 13:03:31,034 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-07-20 13:03:31,034 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-07-20 13:03:31,034 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2020-07-20 13:03:31,034 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-07-20 13:03:31,034 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-07-20 13:03:31,034 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:31,034 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:03:31,034 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:31,034 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:31,035 INFO L264 CegarLoopResult]: At program point L603(lines 603 609) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:31,035 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:31,035 INFO L268 CegarLoopResult]: For program point L596(lines 595 614) no Hoare annotation was computed. [2020-07-20 13:03:31,035 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:31,035 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2020-07-20 13:03:31,035 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2020-07-20 13:03:31,035 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 13:03:31,035 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 13:03:31,035 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 13:03:31,035 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 13:03:31,036 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 13:03:31,036 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 13:03:31,036 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 13:03:31,036 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 13:03:31,036 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 13:03:31,036 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 13:03:31,036 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-07-20 13:03:31,036 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-07-20 13:03:31,037 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-07-20 13:03:31,037 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2020-07-20 13:03:31,037 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-07-20 13:03:31,037 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-07-20 13:03:31,037 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 13:03:31,037 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 13:03:31,037 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:31,037 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 13:03:31,037 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:31,037 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:31,038 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2020-07-20 13:03:31,038 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: true [2020-07-20 13:03:31,038 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2020-07-20 13:03:31,038 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-07-20 13:03:31,038 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-07-20 13:03:31,038 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:31,038 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2020-07-20 13:03:31,038 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2020-07-20 13:03:31,038 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2020-07-20 13:03:31,039 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2020-07-20 13:03:31,039 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:31,039 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2020-07-20 13:03:31,039 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:03:31,039 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:31,039 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-07-20 13:03:31,039 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:31,039 INFO L268 CegarLoopResult]: For program point L630-1(line 630) no Hoare annotation was computed. [2020-07-20 13:03:31,039 INFO L268 CegarLoopResult]: For program point L628(lines 628 645) no Hoare annotation was computed. [2020-07-20 13:03:31,039 INFO L264 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:03:31,039 INFO L268 CegarLoopResult]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2020-07-20 13:03:31,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:03:31 BoogieIcfgContainer [2020-07-20 13:03:31,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:03:31,062 INFO L168 Benchmark]: Toolchain (without parser) took 7302.55 ms. Allocated memory was 144.7 MB in the beginning and 287.8 MB in the end (delta: 143.1 MB). Free memory was 101.3 MB in the beginning and 116.6 MB in the end (delta: -15.3 MB). Peak memory consumption was 127.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:31,068 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:03:31,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.67 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.9 MB in the beginning and 170.1 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:31,070 INFO L168 Benchmark]: Boogie Preprocessor took 83.83 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:31,071 INFO L168 Benchmark]: RCFGBuilder took 1188.28 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 166.0 MB in the beginning and 195.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:31,074 INFO L168 Benchmark]: TraceAbstraction took 5364.95 ms. Allocated memory was 234.4 MB in the beginning and 287.8 MB in the end (delta: 53.5 MB). Free memory was 195.1 MB in the beginning and 116.6 MB in the end (delta: 78.5 MB). Peak memory consumption was 132.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:31,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.67 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.9 MB in the beginning and 170.1 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.83 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1188.28 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 166.0 MB in the beginning and 195.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5364.95 ms. Allocated memory was 234.4 MB in the beginning and 287.8 MB in the end (delta: 53.5 MB). Free memory was 195.1 MB in the beginning and 116.6 MB in the end (delta: 78.5 MB). Peak memory consumption was 132.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: 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: 522]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 728 SDtfs, 278 SDslu, 736 SDs, 0 SdLazy, 95 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=381occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 465 PreInvPairs, 481 NumberOfFragments, 599 HoareAnnotationTreeSize, 465 FomulaSimplifications, 78 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 661 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 263 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 23442 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3262 ConjunctsInSsa, 32 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...