/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:41:41,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:41:41,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:41:41,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:41:41,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:41:41,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:41:41,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:41:41,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:41:41,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:41:41,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:41:41,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:41:41,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:41:41,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:41:41,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:41:41,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:41:41,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:41:41,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:41:41,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:41:41,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:41:41,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:41:41,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:41:41,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:41:41,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:41:41,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:41:41,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:41:41,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:41:41,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:41:41,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:41:41,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:41:41,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:41:41,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:41:41,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:41:41,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:41:41,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:41:41,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:41:41,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:41:41,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:41:41,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:41:41,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:41:41,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:41:41,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:41:41,441 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 10:41:41,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:41:41,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:41:41,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:41:41,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:41:41,481 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:41:41,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:41:41,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:41:41,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:41:41,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:41:41,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:41:41,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:41:41,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:41:41,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:41:41,483 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:41:41,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:41:41,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:41:41,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:41:41,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:41:41,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:41:41,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:41:41,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:41:41,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:41,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:41:41,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:41:41,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:41:41,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:41:41,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:41,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:41:41,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:41:41,489 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 -> NOT_INCREMENTALLY [2020-07-20 10:41:41,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:41:41,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:41:41,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:41:41,778 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:41:41,778 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:41:41,779 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-07-20 10:41:41,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5af5ac0/6f56238fcd99482ba5f37e57a4c5199b/FLAGe140db4f2 [2020-07-20 10:41:42,360 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:41:42,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-07-20 10:41:42,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5af5ac0/6f56238fcd99482ba5f37e57a4c5199b/FLAGe140db4f2 [2020-07-20 10:41:42,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5af5ac0/6f56238fcd99482ba5f37e57a4c5199b [2020-07-20 10:41:42,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:41:42,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:41:42,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:42,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:41:42,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:41:42,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:42" (1/1) ... [2020-07-20 10:41:42,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5d2c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:42, skipping insertion in model container [2020-07-20 10:41:42,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:42" (1/1) ... [2020-07-20 10:41:42,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:41:42,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:41:43,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:43,220 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:41:43,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:43,334 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:41:43,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43 WrapperNode [2020-07-20 10:41:43,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:43,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:41:43,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:41:43,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:41:43,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43" (1/1) ... [2020-07-20 10:41:43,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43" (1/1) ... [2020-07-20 10:41:43,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43" (1/1) ... [2020-07-20 10:41:43,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43" (1/1) ... [2020-07-20 10:41:43,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43" (1/1) ... [2020-07-20 10:41:43,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43" (1/1) ... [2020-07-20 10:41:43,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43" (1/1) ... [2020-07-20 10:41:43,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:41:43,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:41:43,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:41:43,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:41:43,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43" (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 10:41:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:41:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:41:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:41:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:41:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:41:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:41:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:41:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:41:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:41:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:41:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:41:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:41:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:41:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:41:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:41:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:41:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:41:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:41:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:41:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:41:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:41:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:41:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:41:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:41:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:41:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:41:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:41:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:41:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:41:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:41:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:41:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:41:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:41:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:41:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:41:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:41:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:41:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:41:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:41:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:41:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:41:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:41:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:41:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:41:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:41:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:41:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:41:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:41:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:41:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:41:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:41:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:41:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:41:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:41:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:41:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:41:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:41:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:41:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:41:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:41:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:41:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:41:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:41:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:41:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:41:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:41:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:41:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:41:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:41:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:41:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:41:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:41:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:41:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:41:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:41:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:41:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:41:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:41:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:41:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:41:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:41:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:41:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:41:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:41:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:41:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:41:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:41:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:41:44,658 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:41:44,658 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:41:44,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:44 BoogieIcfgContainer [2020-07-20 10:41:44,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:41:44,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:41:44,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:41:44,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:41:44,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:41:42" (1/3) ... [2020-07-20 10:41:44,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685ed129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:44, skipping insertion in model container [2020-07-20 10:41:44,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:43" (2/3) ... [2020-07-20 10:41:44,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685ed129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:44, skipping insertion in model container [2020-07-20 10:41:44,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:44" (3/3) ... [2020-07-20 10:41:44,675 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2020-07-20 10:41:44,684 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:41:44,691 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:41:44,702 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:41:44,724 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:41:44,725 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:41:44,725 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:41:44,725 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:41:44,725 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:41:44,726 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:41:44,726 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:41:44,726 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:41:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-20 10:41:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:41:44,760 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:44,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:44,762 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:44,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:44,769 INFO L82 PathProgramCache]: Analyzing trace with hash -519940638, now seen corresponding path program 1 times [2020-07-20 10:41:44,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:44,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902500184] [2020-07-20 10:41:44,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:45,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:41:45,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:45,083 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 10:41:45,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:45,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902500184] [2020-07-20 10:41:45,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:45,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:41:45,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666498420] [2020-07-20 10:41:45,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:41:45,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:45,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:41:45,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:45,109 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 2 states. [2020-07-20 10:41:45,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:45,155 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2020-07-20 10:41:45,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:41:45,157 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 10:41:45,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:45,171 INFO L225 Difference]: With dead ends: 314 [2020-07-20 10:41:45,171 INFO L226 Difference]: Without dead ends: 159 [2020-07-20 10:41:45,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 10:41:45,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-20 10:41:45,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-07-20 10:41:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-20 10:41:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-07-20 10:41:45,248 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2020-07-20 10:41:45,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:45,249 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-07-20 10:41:45,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:41:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-07-20 10:41:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:41:45,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:45,253 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 10:41:45,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:45,469 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:45,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:45,470 INFO L82 PathProgramCache]: Analyzing trace with hash -183354494, now seen corresponding path program 1 times [2020-07-20 10:41:45,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:45,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469139167] [2020-07-20 10:41:45,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:45,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:45,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:45,734 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 10:41:45,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:45,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469139167] [2020-07-20 10:41:45,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:45,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:45,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830147069] [2020-07-20 10:41:45,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:45,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:45,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:45,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:45,743 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2020-07-20 10:41:45,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:45,794 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2020-07-20 10:41:45,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:45,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:41:45,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:45,799 INFO L225 Difference]: With dead ends: 259 [2020-07-20 10:41:45,799 INFO L226 Difference]: Without dead ends: 150 [2020-07-20 10:41:45,802 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 10:41:45,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-20 10:41:45,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-07-20 10:41:45,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-20 10:41:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-07-20 10:41:45,833 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2020-07-20 10:41:45,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:45,833 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-07-20 10:41:45,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:45,834 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-07-20 10:41:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 10:41:45,840 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:45,840 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 10:41:46,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:46,056 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:46,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:46,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1707012514, now seen corresponding path program 1 times [2020-07-20 10:41:46,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:46,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595132364] [2020-07-20 10:41:46,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:46,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:41:46,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:46,274 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 10:41:46,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:46,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595132364] [2020-07-20 10:41:46,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:46,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:46,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540737766] [2020-07-20 10:41:46,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:46,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:46,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:46,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:46,277 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 3 states. [2020-07-20 10:41:46,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:46,295 INFO L93 Difference]: Finished difference Result 272 states and 327 transitions. [2020-07-20 10:41:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:46,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 10:41:46,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:46,297 INFO L225 Difference]: With dead ends: 272 [2020-07-20 10:41:46,298 INFO L226 Difference]: Without dead ends: 150 [2020-07-20 10:41:46,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 10:41:46,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-20 10:41:46,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-07-20 10:41:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-20 10:41:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2020-07-20 10:41:46,313 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2020-07-20 10:41:46,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:46,313 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2020-07-20 10:41:46,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2020-07-20 10:41:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 10:41:46,316 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:46,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:46,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:46,530 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:46,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:46,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1819519357, now seen corresponding path program 1 times [2020-07-20 10:41:46,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:46,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773525508] [2020-07-20 10:41:46,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:46,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:46,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:46,803 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 10:41:46,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:46,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1773525508] [2020-07-20 10:41:46,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:46,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:46,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289812498] [2020-07-20 10:41:46,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:46,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:46,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:46,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:46,811 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2020-07-20 10:41:46,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:46,862 INFO L93 Difference]: Finished difference Result 272 states and 328 transitions. [2020-07-20 10:41:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:46,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-20 10:41:46,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:46,868 INFO L225 Difference]: With dead ends: 272 [2020-07-20 10:41:46,868 INFO L226 Difference]: Without dead ends: 269 [2020-07-20 10:41:46,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 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 10:41:46,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-20 10:41:46,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2020-07-20 10:41:46,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-07-20 10:41:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 325 transitions. [2020-07-20 10:41:46,897 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 325 transitions. Word has length 75 [2020-07-20 10:41:46,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:46,897 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 325 transitions. [2020-07-20 10:41:46,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 325 transitions. [2020-07-20 10:41:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-20 10:41:46,900 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:46,900 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:47,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:47,115 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:47,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:47,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1747252914, now seen corresponding path program 1 times [2020-07-20 10:41:47,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:47,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294013069] [2020-07-20 10:41:47,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:47,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:47,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-20 10:41:47,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:47,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294013069] [2020-07-20 10:41:47,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:47,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:41:47,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413619432] [2020-07-20 10:41:47,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:41:47,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:47,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:41:47,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:47,408 INFO L87 Difference]: Start difference. First operand 269 states and 325 transitions. Second operand 7 states. [2020-07-20 10:41:48,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:48,146 INFO L93 Difference]: Finished difference Result 658 states and 845 transitions. [2020-07-20 10:41:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:41:48,147 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-07-20 10:41:48,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:48,150 INFO L225 Difference]: With dead ends: 658 [2020-07-20 10:41:48,150 INFO L226 Difference]: Without dead ends: 417 [2020-07-20 10:41:48,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:41:48,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-07-20 10:41:48,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 392. [2020-07-20 10:41:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-07-20 10:41:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 475 transitions. [2020-07-20 10:41:48,184 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 475 transitions. Word has length 124 [2020-07-20 10:41:48,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:48,184 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 475 transitions. [2020-07-20 10:41:48,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:41:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 475 transitions. [2020-07-20 10:41:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-20 10:41:48,187 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:48,188 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:48,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:48,404 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:48,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:48,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1473443786, now seen corresponding path program 1 times [2020-07-20 10:41:48,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:48,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102000665] [2020-07-20 10:41:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:48,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:41:48,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-07-20 10:41:48,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-20 10:41:49,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102000665] [2020-07-20 10:41:49,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:49,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 10:41:49,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058713760] [2020-07-20 10:41:49,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:49,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:49,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:49,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:49,049 INFO L87 Difference]: Start difference. First operand 392 states and 475 transitions. Second operand 6 states. [2020-07-20 10:41:49,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:49,319 INFO L93 Difference]: Finished difference Result 1083 states and 1357 transitions. [2020-07-20 10:41:49,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:49,320 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182 [2020-07-20 10:41:49,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:49,327 INFO L225 Difference]: With dead ends: 1083 [2020-07-20 10:41:49,327 INFO L226 Difference]: Without dead ends: 719 [2020-07-20 10:41:49,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 359 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:41:49,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-07-20 10:41:49,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 580. [2020-07-20 10:41:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-20 10:41:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 700 transitions. [2020-07-20 10:41:49,396 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 700 transitions. Word has length 182 [2020-07-20 10:41:49,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:49,398 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 700 transitions. [2020-07-20 10:41:49,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:49,398 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 700 transitions. [2020-07-20 10:41:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-20 10:41:49,408 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:49,409 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:49,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:49,625 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:49,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:49,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1298958371, now seen corresponding path program 1 times [2020-07-20 10:41:49,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:49,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423038135] [2020-07-20 10:41:49,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:49,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:49,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-07-20 10:41:49,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:49,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423038135] [2020-07-20 10:41:49,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:49,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:49,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515152532] [2020-07-20 10:41:49,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:49,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:49,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:49,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:49,961 INFO L87 Difference]: Start difference. First operand 580 states and 700 transitions. Second operand 8 states. [2020-07-20 10:41:50,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:50,517 INFO L93 Difference]: Finished difference Result 1100 states and 1347 transitions. [2020-07-20 10:41:50,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:50,520 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 203 [2020-07-20 10:41:50,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:50,527 INFO L225 Difference]: With dead ends: 1100 [2020-07-20 10:41:50,528 INFO L226 Difference]: Without dead ends: 548 [2020-07-20 10:41:50,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:50,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-20 10:41:50,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 544. [2020-07-20 10:41:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-07-20 10:41:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 643 transitions. [2020-07-20 10:41:50,583 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 643 transitions. Word has length 203 [2020-07-20 10:41:50,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:50,584 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 643 transitions. [2020-07-20 10:41:50,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 643 transitions. [2020-07-20 10:41:50,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-07-20 10:41:50,589 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:50,590 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:50,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:50,804 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:50,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:50,805 INFO L82 PathProgramCache]: Analyzing trace with hash -632982168, now seen corresponding path program 1 times [2020-07-20 10:41:50,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:50,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412167391] [2020-07-20 10:41:50,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:51,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:51,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-07-20 10:41:51,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:51,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412167391] [2020-07-20 10:41:51,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:51,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:51,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103599267] [2020-07-20 10:41:51,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:51,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:51,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:51,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:51,154 INFO L87 Difference]: Start difference. First operand 544 states and 643 transitions. Second operand 8 states. [2020-07-20 10:41:51,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:51,474 INFO L93 Difference]: Finished difference Result 853 states and 1013 transitions. [2020-07-20 10:41:51,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:51,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 256 [2020-07-20 10:41:51,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:51,476 INFO L225 Difference]: With dead ends: 853 [2020-07-20 10:41:51,476 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:41:51,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:51,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:41:51,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:41:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:41:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:41:51,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 256 [2020-07-20 10:41:51,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:51,480 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:41:51,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:41:51,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:41:51,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:51,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:41:53,461 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-07-20 10:41:54,514 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2020-07-20 10:41:55,166 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:41:55,166 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:41:55,166 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 10:41:55,166 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 10:41:55,166 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 10:41:55,167 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:41:55,168 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 10:41:55,168 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:41:55,168 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 10:41:55,168 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2020-07-20 10:41:55,168 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2020-07-20 10:41:55,168 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2020-07-20 10:41:55,169 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2020-07-20 10:41:55,169 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2020-07-20 10:41:55,169 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,169 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 10:41:55,169 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,170 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,170 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-20 10:41:55,170 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-20 10:41:55,170 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 10:41:55,170 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,170 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,171 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 10:41:55,171 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 10:41:55,172 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 10:41:55,172 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 10:41:55,172 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 10:41:55,172 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 10:41:55,172 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 10:41:55,172 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 10:41:55,172 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-20 10:41:55,172 INFO L264 CegarLoopResult]: At program point L855(line 855) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:55,172 INFO L268 CegarLoopResult]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2020-07-20 10:41:55,173 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 10:41:55,173 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:55,173 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 10:41:55,173 INFO L268 CegarLoopResult]: For program point L844(lines 844 852) no Hoare annotation was computed. [2020-07-20 10:41:55,173 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2020-07-20 10:41:55,173 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 10:41:55,173 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-07-20 10:41:55,173 INFO L268 CegarLoopResult]: For program point L840(lines 840 857) no Hoare annotation was computed. [2020-07-20 10:41:55,173 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2020-07-20 10:41:55,173 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2020-07-20 10:41:55,174 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2020-07-20 10:41:55,174 INFO L268 CegarLoopResult]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2020-07-20 10:41:55,174 INFO L271 CegarLoopResult]: At program point L1002(line 1002) the Hoare annotation is: true [2020-07-20 10:41:55,174 INFO L268 CegarLoopResult]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2020-07-20 10:41:55,174 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2020-07-20 10:41:55,174 INFO L268 CegarLoopResult]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2020-07-20 10:41:55,174 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2020-07-20 10:41:55,174 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2020-07-20 10:41:55,174 INFO L268 CegarLoopResult]: For program point L959(lines 959 967) no Hoare annotation was computed. [2020-07-20 10:41:55,174 INFO L268 CegarLoopResult]: For program point L959-2(lines 959 967) no Hoare annotation was computed. [2020-07-20 10:41:55,174 INFO L268 CegarLoopResult]: For program point L947(lines 947 955) no Hoare annotation was computed. [2020-07-20 10:41:55,175 INFO L268 CegarLoopResult]: For program point L947-2(lines 947 955) no Hoare annotation was computed. [2020-07-20 10:41:55,175 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 940 975) no Hoare annotation was computed. [2020-07-20 10:41:55,175 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-20 10:41:55,175 INFO L268 CegarLoopResult]: For program point L970-1(line 970) no Hoare annotation was computed. [2020-07-20 10:41:55,175 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 940 975) no Hoare annotation was computed. [2020-07-20 10:41:55,175 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 940 975) no Hoare annotation was computed. [2020-07-20 10:41:55,175 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2020-07-20 10:41:55,175 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2020-07-20 10:41:55,175 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:41:55,175 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:41:55,176 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:41:55,176 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 10:41:55,176 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:41:55,176 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:41:55,176 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:41:55,176 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:41:55,176 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:41:55,177 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,177 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,177 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-20 10:41:55,177 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-20 10:41:55,177 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2020-07-20 10:41:55,177 INFO L271 CegarLoopResult]: At program point L925(line 925) the Hoare annotation is: true [2020-07-20 10:41:55,177 INFO L268 CegarLoopResult]: For program point L925-1(line 925) no Hoare annotation was computed. [2020-07-20 10:41:55,177 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2020-07-20 10:41:55,177 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2020-07-20 10:41:55,177 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:55,178 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2020-07-20 10:41:55,178 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2020-07-20 10:41:55,178 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-07-20 10:41:55,178 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2020-07-20 10:41:55,178 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2020-07-20 10:41:55,178 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2020-07-20 10:41:55,178 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2020-07-20 10:41:55,178 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:55,178 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-20 10:41:55,178 INFO L268 CegarLoopResult]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2020-07-20 10:41:55,179 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-20 10:41:55,179 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 (and .cse4 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8))) (or .cse1 .cse3 .cse5))) [2020-07-20 10:41:55,179 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-07-20 10:41:55,179 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 10:41:55,179 INFO L268 CegarLoopResult]: For program point L868-1(line 868) no Hoare annotation was computed. [2020-07-20 10:41:55,179 INFO L268 CegarLoopResult]: For program point L866(lines 866 883) no Hoare annotation was computed. [2020-07-20 10:41:55,179 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2020-07-20 10:41:55,179 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2020-07-20 10:41:55,179 INFO L264 CegarLoopResult]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,179 INFO L264 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:55,179 INFO L268 CegarLoopResult]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2020-07-20 10:41:55,180 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-07-20 10:41:55,180 INFO L264 CegarLoopResult]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2020-07-20 10:41:55,180 INFO L268 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2020-07-20 10:41:55,180 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2020-07-20 10:41:55,180 INFO L268 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-07-20 10:41:55,180 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:55,180 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-07-20 10:41:55,180 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2020-07-20 10:41:55,180 INFO L264 CegarLoopResult]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:55,181 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:41:55,181 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 10:41:55,181 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2020-07-20 10:41:55,182 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2020-07-20 10:41:55,182 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2020-07-20 10:41:55,182 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2020-07-20 10:41:55,182 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2020-07-20 10:41:55,182 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-07-20 10:41:55,182 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-07-20 10:41:55,182 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-20 10:41:55,182 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-20 10:41:55,182 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-07-20 10:41:55,182 INFO L268 CegarLoopResult]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2020-07-20 10:41:55,182 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:55,182 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-07-20 10:41:55,183 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:55,183 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2020-07-20 10:41:55,183 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:55,183 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:55,183 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-07-20 10:41:55,183 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-07-20 10:41:55,183 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-07-20 10:41:55,183 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-07-20 10:41:55,183 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2020-07-20 10:41:55,183 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2020-07-20 10:41:55,183 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2020-07-20 10:41:55,184 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 10:41:55,184 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:41:55,184 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 10:41:55,184 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 10:41:55,184 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 10:41:55,184 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 10:41:55,184 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:41:55,184 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 10:41:55,184 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:41:55,185 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 10:41:55,185 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:41:55,185 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 10:41:55,185 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 10:41:55,185 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:41:55,185 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 10:41:55,185 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 10:41:55,185 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 671 680) no Hoare annotation was computed. [2020-07-20 10:41:55,185 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 671 680) no Hoare annotation was computed. [2020-07-20 10:41:55,186 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 671 680) no Hoare annotation was computed. [2020-07-20 10:41:55,186 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:55,186 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 10:41:55,186 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:55,186 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2020-07-20 10:41:55,186 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:55,186 INFO L268 CegarLoopResult]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2020-07-20 10:41:55,187 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:55,187 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-07-20 10:41:55,187 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:55,187 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-07-20 10:41:55,187 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 637 645) no Hoare annotation was computed. [2020-07-20 10:41:55,187 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2020-07-20 10:41:55,187 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2020-07-20 10:41:55,188 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2020-07-20 10:41:55,188 INFO L268 CegarLoopResult]: For program point L985(lines 985 989) no Hoare annotation was computed. [2020-07-20 10:41:55,188 INFO L271 CegarLoopResult]: At program point L983(line 983) the Hoare annotation is: true [2020-07-20 10:41:55,188 INFO L268 CegarLoopResult]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2020-07-20 10:41:55,188 INFO L268 CegarLoopResult]: For program point L983-1(line 983) no Hoare annotation was computed. [2020-07-20 10:41:55,188 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2020-07-20 10:41:55,188 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2020-07-20 10:41:55,188 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:55,189 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:41:55,189 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:55,189 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2020-07-20 10:41:55,189 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2020-07-20 10:41:55,189 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-07-20 10:41:55,189 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= 0 ~methAndRunningLastTime~0) .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|))))) [2020-07-20 10:41:55,190 INFO L264 CegarLoopResult]: At program point L789(lines 789 795) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:55,190 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 (and (= 0 ~methAndRunningLastTime~0) .cse1) .cse4) (or .cse0 .cse4 .cse5 .cse2))) [2020-07-20 10:41:55,190 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse3 .cse1) .cse4) (or .cse0 .cse3 .cse4 (not (= 0 |old(~pumpRunning~0)|)) .cse2))) [2020-07-20 10:41:55,190 INFO L268 CegarLoopResult]: For program point L782(lines 781 800) no Hoare annotation was computed. [2020-07-20 10:41:55,190 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2020-07-20 10:41:55,190 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2020-07-20 10:41:55,191 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-20 10:41:55,191 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-20 10:41:55,191 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-20 10:41:55,191 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 10:41:55,191 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-20 10:41:55,191 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-20 10:41:55,191 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 10:41:55,191 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-20 10:41:55,191 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-20 10:41:55,192 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 10:41:55,192 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2020-07-20 10:41:55,192 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2020-07-20 10:41:55,192 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2020-07-20 10:41:55,192 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: true [2020-07-20 10:41:55,192 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-07-20 10:41:55,192 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-07-20 10:41:55,193 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-20 10:41:55,193 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-20 10:41:55,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:55,193 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:41:55,193 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:41:55,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:55,193 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2020-07-20 10:41:55,193 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-20 10:41:55,194 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2020-07-20 10:41:55,194 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:55,194 INFO L264 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 10:41:55,194 INFO L268 CegarLoopResult]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2020-07-20 10:41:55,194 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2020-07-20 10:41:55,194 INFO L264 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:55,195 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:55,195 INFO L268 CegarLoopResult]: For program point L818(lines 818 826) no Hoare annotation was computed. [2020-07-20 10:41:55,195 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:55,195 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-07-20 10:41:55,195 INFO L268 CegarLoopResult]: For program point L814(lines 814 831) no Hoare annotation was computed. [2020-07-20 10:41:55,195 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2020-07-20 10:41:55,195 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-07-20 10:41:55,196 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: true [2020-07-20 10:41:55,196 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-07-20 10:41:55,196 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-07-20 10:41:55,196 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-07-20 10:41:55,196 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-07-20 10:41:55,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:41:55 BoogieIcfgContainer [2020-07-20 10:41:55,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:41:55,215 INFO L168 Benchmark]: Toolchain (without parser) took 12545.74 ms. Allocated memory was 147.3 MB in the beginning and 392.2 MB in the end (delta: 244.8 MB). Free memory was 102.6 MB in the beginning and 232.8 MB in the end (delta: -130.2 MB). Peak memory consumption was 217.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:55,216 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 10:41:55,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.29 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 102.1 MB in the beginning and 172.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:55,218 INFO L168 Benchmark]: Boogie Preprocessor took 89.72 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:55,219 INFO L168 Benchmark]: RCFGBuilder took 1240.44 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 167.6 MB in the beginning and 184.8 MB in the end (delta: -17.2 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:55,220 INFO L168 Benchmark]: TraceAbstraction took 10546.45 ms. Allocated memory was 234.4 MB in the beginning and 392.2 MB in the end (delta: 157.8 MB). Free memory was 184.8 MB in the beginning and 232.8 MB in the end (delta: -47.9 MB). Peak memory consumption was 212.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:55,224 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.29 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 102.1 MB in the beginning and 172.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.72 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1240.44 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 167.6 MB in the beginning and 184.8 MB in the end (delta: -17.2 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10546.45 ms. Allocated memory was 234.4 MB in the beginning and 392.2 MB in the end (delta: 157.8 MB). Free memory was 184.8 MB in the beginning and 232.8 MB in the end (delta: -47.9 MB). Peak memory consumption was 212.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.9s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1673 SDtfs, 801 SDslu, 2843 SDs, 0 SdLazy, 1110 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1186 GetRequests, 1151 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=580occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 168 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1121 PreInvPairs, 1152 NumberOfFragments, 1646 HoareAnnotationTreeSize, 1121 FomulaSimplifications, 1388 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 72 FomulaSimplificationsInter, 3221 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1000 NumberOfCodeBlocks, 1000 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1173 ConstructedInterpolants, 0 QuantifiedInterpolants, 344075 SizeOfPredicates, 21 NumberOfNonLiveVariables, 6868 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 457/459 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...