/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:40:13,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:40:13,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:40:13,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:40:13,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:40:13,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:40:13,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:40:13,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:40:13,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:40:13,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:40:13,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:40:13,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:40:13,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:40:13,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:40:13,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:40:13,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:40:13,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:40:13,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:40:13,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:40:13,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:40:13,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:40:13,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:40:13,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:40:13,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:40:13,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:40:13,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:40:13,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:40:13,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:40:13,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:40:13,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:40:13,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:40:13,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:40:13,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:40:13,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:40:13,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:40:13,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:40:13,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:40:13,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:40:13,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:40:13,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:40:13,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:40:13,431 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 [2020-07-07 10:40:13,467 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:40:13,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:40:13,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:40:13,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:40:13,473 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:40:13,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:40:13,473 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:40:13,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:40:13,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:40:13,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:40:13,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:40:13,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:40:13,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:40:13,480 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:40:13,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:40:13,480 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:40:13,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:40:13,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:40:13,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:40:13,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:40:13,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:40:13,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:40:13,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:40:13,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:40:13,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:40:13,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:40:13,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:40:13,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:40:13,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:40:13,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:40:13,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:40:13,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:40:13,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:40:13,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:40:13,790 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:40:13,790 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-07-07 10:40:13,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8454ef46/681838e3fb1a4739af7f24e7cdb3f0b2/FLAG88b3244fd [2020-07-07 10:40:14,371 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:40:14,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-07-07 10:40:14,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8454ef46/681838e3fb1a4739af7f24e7cdb3f0b2/FLAG88b3244fd [2020-07-07 10:40:14,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8454ef46/681838e3fb1a4739af7f24e7cdb3f0b2 [2020-07-07 10:40:14,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:40:14,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:40:14,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:40:14,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:40:14,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:40:14,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109342b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:14, skipping insertion in model container [2020-07-07 10:40:14,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:40:14" (1/1) ... [2020-07-07 10:40:14,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:40:14,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:40:15,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:40:15,259 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:40:15,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:40:15,460 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:40:15,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15 WrapperNode [2020-07-07 10:40:15,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:40:15,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:40:15,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:40:15,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:40:15,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15" (1/1) ... [2020-07-07 10:40:15,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15" (1/1) ... [2020-07-07 10:40:15,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15" (1/1) ... [2020-07-07 10:40:15,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15" (1/1) ... [2020-07-07 10:40:15,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15" (1/1) ... [2020-07-07 10:40:15,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15" (1/1) ... [2020-07-07 10:40:15,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15" (1/1) ... [2020-07-07 10:40:15,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:40:15,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:40:15,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:40:15,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:40:15,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15" (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 [2020-07-07 10:40:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:40:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:40:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:40:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:40:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:40:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:40:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:40:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:40:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:40:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:40:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:40:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:40:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:40:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:40:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:40:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:40:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-07 10:40:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:40:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:40:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:40:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:40:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:40:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:40:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:40:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:40:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:40:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:40:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:40:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:40:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:40:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:40:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:40:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:40:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:40:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:40:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:40:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:40:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:40:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:40:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:40:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:40:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:40:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:40:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:40:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:40:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:40:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:40:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:40:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:40:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:40:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:40:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:40:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:40:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:40:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:40:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:40:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:40:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:40:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:40:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:40:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-07 10:40:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:40:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:40:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:40:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:40:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:40:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:40:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:40:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:40:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:40:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:40:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:40:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:40:16,784 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:40:16,784 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:40:16,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:40:16 BoogieIcfgContainer [2020-07-07 10:40:16,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:40:16,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:40:16,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:40:16,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:40:16,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:40:14" (1/3) ... [2020-07-07 10:40:16,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b8a3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:40:16, skipping insertion in model container [2020-07-07 10:40:16,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:40:15" (2/3) ... [2020-07-07 10:40:16,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b8a3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:40:16, skipping insertion in model container [2020-07-07 10:40:16,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:40:16" (3/3) ... [2020-07-07 10:40:16,802 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2020-07-07 10:40:16,813 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:40:16,823 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:40:16,834 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:40:16,858 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:40:16,859 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:40:16,859 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:40:16,859 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:40:16,859 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:40:16,860 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:40:16,860 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:40:16,860 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:40:16,899 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2020-07-07 10:40:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:40:16,919 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:16,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:16,921 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:16,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:16,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1301923028, now seen corresponding path program 1 times [2020-07-07 10:40:16,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:16,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306318972] [2020-07-07 10:40:16,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,562 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:40:17,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306318972] [2020-07-07 10:40:17,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:17,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:40:17,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538077401] [2020-07-07 10:40:17,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:40:17,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:17,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:40:17,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:40:17,686 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 3 states. [2020-07-07 10:40:19,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:19,039 INFO L93 Difference]: Finished difference Result 345 states and 451 transitions. [2020-07-07 10:40:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:40:19,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:40:19,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:19,056 INFO L225 Difference]: With dead ends: 345 [2020-07-07 10:40:19,056 INFO L226 Difference]: Without dead ends: 186 [2020-07-07 10:40:19,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:40:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-07 10:40:19,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-07-07 10:40:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-07 10:40:19,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2020-07-07 10:40:19,192 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2020-07-07 10:40:19,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:19,193 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2020-07-07 10:40:19,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:40:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2020-07-07 10:40:19,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:40:19,197 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:19,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:19,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:40:19,198 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:19,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:19,198 INFO L82 PathProgramCache]: Analyzing trace with hash -216566915, now seen corresponding path program 1 times [2020-07-07 10:40:19,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:19,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034965873] [2020-07-07 10:40:19,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,528 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:40:19,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034965873] [2020-07-07 10:40:19,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:19,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:40:19,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121551933] [2020-07-07 10:40:19,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:40:19,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:19,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:40:19,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:40:19,577 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 4 states. [2020-07-07 10:40:20,133 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:21,161 INFO L93 Difference]: Finished difference Result 278 states and 342 transitions. [2020-07-07 10:40:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:40:21,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:40:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:21,165 INFO L225 Difference]: With dead ends: 278 [2020-07-07 10:40:21,165 INFO L226 Difference]: Without dead ends: 170 [2020-07-07 10:40:21,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:40:21,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-07 10:40:21,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2020-07-07 10:40:21,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-07 10:40:21,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2020-07-07 10:40:21,211 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2020-07-07 10:40:21,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:21,212 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2020-07-07 10:40:21,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:40:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2020-07-07 10:40:21,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:40:21,215 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:21,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:21,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:40:21,215 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:21,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:21,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1163721234, now seen corresponding path program 1 times [2020-07-07 10:40:21,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:21,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478480272] [2020-07-07 10:40:21,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,595 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:40:21,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478480272] [2020-07-07 10:40:21,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:21,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:40:21,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18405325] [2020-07-07 10:40:21,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:40:21,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:21,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:40:21,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:40:21,750 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 8 states. [2020-07-07 10:40:22,190 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:22,500 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:40:22,744 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:22,978 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:24,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:24,386 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2020-07-07 10:40:24,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:40:24,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-07 10:40:24,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:24,390 INFO L225 Difference]: With dead ends: 287 [2020-07-07 10:40:24,390 INFO L226 Difference]: Without dead ends: 170 [2020-07-07 10:40:24,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:40:24,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-07 10:40:24,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2020-07-07 10:40:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-07 10:40:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2020-07-07 10:40:24,429 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2020-07-07 10:40:24,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:24,430 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2020-07-07 10:40:24,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:40:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2020-07-07 10:40:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-07 10:40:24,433 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:24,433 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] [2020-07-07 10:40:24,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:40:24,433 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:24,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:24,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1315506319, now seen corresponding path program 1 times [2020-07-07 10:40:24,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:24,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21389832] [2020-07-07 10:40:24,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,686 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:40:24,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21389832] [2020-07-07 10:40:24,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:24,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:40:24,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546974916] [2020-07-07 10:40:24,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:40:24,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:24,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:40:24,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:40:24,777 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 6 states. [2020-07-07 10:40:25,109 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:26,175 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:26,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:26,938 INFO L93 Difference]: Finished difference Result 390 states and 484 transitions. [2020-07-07 10:40:26,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:40:26,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-07 10:40:26,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:26,948 INFO L225 Difference]: With dead ends: 390 [2020-07-07 10:40:26,948 INFO L226 Difference]: Without dead ends: 273 [2020-07-07 10:40:26,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:40:26,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-07-07 10:40:27,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 232. [2020-07-07 10:40:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-07-07 10:40:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2020-07-07 10:40:27,006 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2020-07-07 10:40:27,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:27,007 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2020-07-07 10:40:27,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:40:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2020-07-07 10:40:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:40:27,010 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:27,010 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:27,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:40:27,011 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:27,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:27,011 INFO L82 PathProgramCache]: Analyzing trace with hash -921409892, now seen corresponding path program 1 times [2020-07-07 10:40:27,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:27,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384422169] [2020-07-07 10:40:27,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,318 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:40:27,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384422169] [2020-07-07 10:40:27,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:27,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:40:27,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806596944] [2020-07-07 10:40:27,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:40:27,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:27,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:40:27,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:40:27,418 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 8 states. [2020-07-07 10:40:27,782 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:28,738 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:29,044 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:29,682 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:29,909 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:30,153 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:31,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:31,290 INFO L93 Difference]: Finished difference Result 691 states and 842 transitions. [2020-07-07 10:40:31,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:40:31,292 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-07-07 10:40:31,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:31,298 INFO L225 Difference]: With dead ends: 691 [2020-07-07 10:40:31,298 INFO L226 Difference]: Without dead ends: 483 [2020-07-07 10:40:31,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:40:31,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-07-07 10:40:31,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 419. [2020-07-07 10:40:31,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-07-07 10:40:31,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 478 transitions. [2020-07-07 10:40:31,376 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 478 transitions. Word has length 83 [2020-07-07 10:40:31,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:31,377 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 478 transitions. [2020-07-07 10:40:31,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:40:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 478 transitions. [2020-07-07 10:40:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-07 10:40:31,379 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:31,379 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:31,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:40:31,380 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:31,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:31,380 INFO L82 PathProgramCache]: Analyzing trace with hash 592685792, now seen corresponding path program 1 times [2020-07-07 10:40:31,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:31,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10809704] [2020-07-07 10:40:31,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,643 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:40:31,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10809704] [2020-07-07 10:40:31,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:31,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:40:31,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064000419] [2020-07-07 10:40:31,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:40:31,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:31,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:40:31,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:40:31,768 INFO L87 Difference]: Start difference. First operand 419 states and 478 transitions. Second operand 9 states. [2020-07-07 10:40:32,341 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:33,460 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:33,728 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:34,773 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:35,041 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:35,273 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:35,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:35,565 INFO L93 Difference]: Finished difference Result 522 states and 646 transitions. [2020-07-07 10:40:35,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:40:35,566 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-07-07 10:40:35,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:35,570 INFO L225 Difference]: With dead ends: 522 [2020-07-07 10:40:35,570 INFO L226 Difference]: Without dead ends: 519 [2020-07-07 10:40:35,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:40:35,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-07-07 10:40:35,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 419. [2020-07-07 10:40:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-07-07 10:40:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 477 transitions. [2020-07-07 10:40:35,648 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 477 transitions. Word has length 87 [2020-07-07 10:40:35,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:35,649 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 477 transitions. [2020-07-07 10:40:35,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:40:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 477 transitions. [2020-07-07 10:40:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:40:35,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:35,651 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 10:40:35,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:40:35,652 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:35,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:35,652 INFO L82 PathProgramCache]: Analyzing trace with hash -88143431, now seen corresponding path program 1 times [2020-07-07 10:40:35,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:35,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151326697] [2020-07-07 10:40:35,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,882 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:36,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151326697] [2020-07-07 10:40:36,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:36,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:40:36,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141073333] [2020-07-07 10:40:36,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:40:36,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:36,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:40:36,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:40:36,033 INFO L87 Difference]: Start difference. First operand 419 states and 477 transitions. Second operand 9 states. [2020-07-07 10:40:36,935 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:37,161 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:40:37,407 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:37,620 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:38,769 INFO L93 Difference]: Finished difference Result 922 states and 1136 transitions. [2020-07-07 10:40:38,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:40:38,770 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-07-07 10:40:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:38,775 INFO L225 Difference]: With dead ends: 922 [2020-07-07 10:40:38,775 INFO L226 Difference]: Without dead ends: 527 [2020-07-07 10:40:38,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:40:38,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-07-07 10:40:38,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 429. [2020-07-07 10:40:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-07 10:40:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 487 transitions. [2020-07-07 10:40:38,874 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 487 transitions. Word has length 103 [2020-07-07 10:40:38,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:38,874 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 487 transitions. [2020-07-07 10:40:38,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:40:38,875 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 487 transitions. [2020-07-07 10:40:38,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:40:38,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:38,879 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 10:40:38,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:40:38,880 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:38,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:38,880 INFO L82 PathProgramCache]: Analyzing trace with hash -441231813, now seen corresponding path program 1 times [2020-07-07 10:40:38,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:38,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881615569] [2020-07-07 10:40:38,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,144 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:39,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881615569] [2020-07-07 10:40:39,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:39,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:40:39,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648094202] [2020-07-07 10:40:39,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:40:39,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:39,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:40:39,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:40:39,352 INFO L87 Difference]: Start difference. First operand 429 states and 487 transitions. Second operand 11 states. [2020-07-07 10:40:39,849 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:40,108 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:40,328 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:40,893 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:41,141 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:41,385 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:42,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:42,718 INFO L93 Difference]: Finished difference Result 942 states and 1158 transitions. [2020-07-07 10:40:42,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:40:42,718 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-07-07 10:40:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:42,722 INFO L225 Difference]: With dead ends: 942 [2020-07-07 10:40:42,722 INFO L226 Difference]: Without dead ends: 537 [2020-07-07 10:40:42,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:40:42,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-07-07 10:40:42,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 437. [2020-07-07 10:40:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-07 10:40:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2020-07-07 10:40:42,799 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2020-07-07 10:40:42,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:42,800 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2020-07-07 10:40:42,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:40:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2020-07-07 10:40:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:40:42,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:42,803 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 10:40:42,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:40:42,803 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:42,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:42,804 INFO L82 PathProgramCache]: Analyzing trace with hash 691958780, now seen corresponding path program 1 times [2020-07-07 10:40:42,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:42,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230086921] [2020-07-07 10:40:42,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,121 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:43,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230086921] [2020-07-07 10:40:43,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:43,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:40:43,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106264146] [2020-07-07 10:40:43,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:40:43,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:43,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:40:43,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:40:43,363 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 7 states. [2020-07-07 10:40:43,940 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:44,594 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:46,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:46,820 INFO L93 Difference]: Finished difference Result 1265 states and 1606 transitions. [2020-07-07 10:40:46,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:40:46,821 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-07-07 10:40:46,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:46,829 INFO L225 Difference]: With dead ends: 1265 [2020-07-07 10:40:46,829 INFO L226 Difference]: Without dead ends: 852 [2020-07-07 10:40:46,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:40:46,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-07-07 10:40:47,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 753. [2020-07-07 10:40:47,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-07-07 10:40:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 889 transitions. [2020-07-07 10:40:47,030 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 889 transitions. Word has length 103 [2020-07-07 10:40:47,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:47,031 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 889 transitions. [2020-07-07 10:40:47,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:40:47,031 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 889 transitions. [2020-07-07 10:40:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 10:40:47,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:47,034 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-07-07 10:40:47,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:40:47,034 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:47,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:47,035 INFO L82 PathProgramCache]: Analyzing trace with hash -867723262, now seen corresponding path program 1 times [2020-07-07 10:40:47,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:47,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640909342] [2020-07-07 10:40:47,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,398 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:40:47,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640909342] [2020-07-07 10:40:47,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621364852] [2020-07-07 10:40:47,787 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:40:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:48,012 INFO L264 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:40:48,026 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:40:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:40:48,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:40:48,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-07 10:40:48,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596291589] [2020-07-07 10:40:48,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:40:48,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:48,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:40:48,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:40:48,234 INFO L87 Difference]: Start difference. First operand 753 states and 889 transitions. Second operand 8 states. [2020-07-07 10:40:48,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:48,750 INFO L93 Difference]: Finished difference Result 1446 states and 1719 transitions. [2020-07-07 10:40:48,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:40:48,751 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-07-07 10:40:48,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:48,756 INFO L225 Difference]: With dead ends: 1446 [2020-07-07 10:40:48,757 INFO L226 Difference]: Without dead ends: 717 [2020-07-07 10:40:48,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:40:48,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2020-07-07 10:40:48,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2020-07-07 10:40:48,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-07-07 10:40:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 832 transitions. [2020-07-07 10:40:48,931 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 832 transitions. Word has length 107 [2020-07-07 10:40:48,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:48,932 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 832 transitions. [2020-07-07 10:40:48,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:40:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 832 transitions. [2020-07-07 10:40:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-07 10:40:48,937 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:48,938 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:49,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:40:49,153 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:49,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:49,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1713415852, now seen corresponding path program 1 times [2020-07-07 10:40:49,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:49,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725849382] [2020-07-07 10:40:49,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,527 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-07 10:40:49,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725849382] [2020-07-07 10:40:49,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393617866] [2020-07-07 10:40:49,889 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:40:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:50,175 INFO L264 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:40:50,195 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:40:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 10:40:50,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:40:50,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-07 10:40:50,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248373368] [2020-07-07 10:40:50,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:40:50,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:50,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:40:50,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:40:50,460 INFO L87 Difference]: Start difference. First operand 717 states and 832 transitions. Second operand 8 states. [2020-07-07 10:40:50,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:50,921 INFO L93 Difference]: Finished difference Result 1202 states and 1420 transitions. [2020-07-07 10:40:50,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:40:50,922 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-07-07 10:40:50,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:50,923 INFO L225 Difference]: With dead ends: 1202 [2020-07-07 10:40:50,924 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:40:50,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:40:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:40:50,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:40:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:40:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:40:50,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2020-07-07 10:40:50,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:50,929 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:40:50,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:40:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:40:50,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:40:51,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:40:51,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:40:52,160 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2020-07-07 10:40:52,349 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2020-07-07 10:40:52,525 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2020-07-07 10:40:52,639 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2020-07-07 10:40:53,468 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 242 [2020-07-07 10:40:55,254 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 242 [2020-07-07 10:40:55,634 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2020-07-07 10:40:56,284 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 244 [2020-07-07 10:40:56,613 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 242 [2020-07-07 10:40:57,744 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-07 10:40:57,921 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:40:58,095 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:40:58,286 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-07 10:40:58,451 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 10:40:58,665 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2020-07-07 10:40:59,535 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 23 [2020-07-07 10:40:59,704 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:40:59,873 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:41:00,061 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:41:00,943 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 25 [2020-07-07 10:41:01,436 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-07 10:41:01,961 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 20 [2020-07-07 10:41:02,141 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:41:02,615 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-07-07 10:41:02,769 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-07 10:41:03,307 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:41:03,781 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-07 10:41:03,944 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:41:04,416 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-07 10:41:04,910 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-07 10:41:05,565 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-07 10:41:06,074 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-07 10:41:06,701 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-07 10:41:07,210 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-07 10:41:07,386 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-07 10:41:07,566 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:41:08,054 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 18 [2020-07-07 10:41:08,239 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-07 10:41:08,441 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 9 [2020-07-07 10:41:09,359 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 25 [2020-07-07 10:41:09,514 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-07 10:41:09,698 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:41:10,687 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-07 10:41:10,895 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-07 10:41:11,431 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 23 [2020-07-07 10:41:11,607 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:41:11,782 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:41:11,952 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-07 10:41:12,855 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2020-07-07 10:41:13,367 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:41:13,579 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-07 10:41:14,499 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 25 [2020-07-07 10:41:14,685 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:41:14,891 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-07 10:41:15,372 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-07 10:41:15,545 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:41:15,723 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:41:15,930 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-07 10:41:16,463 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-07 10:41:16,976 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-07 10:41:16,980 INFO L268 CegarLoopResult]: For program point L730(lines 707 731) no Hoare annotation was computed. [2020-07-07 10:41:16,981 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 683 738) no Hoare annotation was computed. [2020-07-07 10:41:16,981 INFO L268 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-07-07 10:41:16,981 INFO L268 CegarLoopResult]: For program point L714-1(lines 714 718) no Hoare annotation was computed. [2020-07-07 10:41:16,981 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 683 738) no Hoare annotation was computed. [2020-07-07 10:41:16,982 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-07-07 10:41:16,982 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 683 738) no Hoare annotation was computed. [2020-07-07 10:41:16,982 INFO L268 CegarLoopResult]: For program point L708-2(lines 708 729) no Hoare annotation was computed. [2020-07-07 10:41:16,982 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-07 10:41:16,982 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 790) no Hoare annotation was computed. [2020-07-07 10:41:16,982 INFO L268 CegarLoopResult]: For program point L791(lines 764 792) no Hoare annotation was computed. [2020-07-07 10:41:16,983 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 739 798) no Hoare annotation was computed. [2020-07-07 10:41:16,983 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-07 10:41:16,983 INFO L268 CegarLoopResult]: For program point L784-1(line 784) no Hoare annotation was computed. [2020-07-07 10:41:16,983 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 739 798) no Hoare annotation was computed. [2020-07-07 10:41:16,983 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 739 798) no Hoare annotation was computed. [2020-07-07 10:41:16,983 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-07 10:41:16,983 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-07 10:41:16,984 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-07 10:41:16,984 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-07 10:41:16,984 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:41:16,984 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-07 10:41:16,984 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:41:16,984 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:16,985 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2020-07-07 10:41:16,985 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:16,985 INFO L264 CegarLoopResult]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:16,985 INFO L268 CegarLoopResult]: For program point L310(lines 310 317) no Hoare annotation was computed. [2020-07-07 10:41:16,985 INFO L268 CegarLoopResult]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2020-07-07 10:41:16,985 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-07 10:41:16,986 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:16,986 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:16,986 INFO L264 CegarLoopResult]: At program point L306-1(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:16,986 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2020-07-07 10:41:16,986 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 258 281) no Hoare annotation was computed. [2020-07-07 10:41:16,987 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 258 281) no Hoare annotation was computed. [2020-07-07 10:41:16,987 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 258 281) no Hoare annotation was computed. [2020-07-07 10:41:16,987 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-07-07 10:41:16,987 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-07 10:41:16,987 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-07-07 10:41:16,987 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-07-07 10:41:16,987 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-07-07 10:41:16,987 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-07-07 10:41:16,987 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-07-07 10:41:16,988 INFO L268 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-07-07 10:41:16,988 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-07-07 10:41:16,988 INFO L268 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-07-07 10:41:16,988 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-07 10:41:16,988 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-07-07 10:41:16,988 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-07-07 10:41:16,988 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-07-07 10:41:16,989 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-07 10:41:16,989 INFO L268 CegarLoopResult]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2020-07-07 10:41:16,989 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:41:16,989 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:41:16,989 INFO L264 CegarLoopResult]: At program point L397(line 397) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:41:16,989 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2020-07-07 10:41:16,990 INFO L268 CegarLoopResult]: For program point L395(lines 395 403) no Hoare annotation was computed. [2020-07-07 10:41:16,990 INFO L264 CegarLoopResult]: At program point L393(line 393) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:41:16,990 INFO L268 CegarLoopResult]: For program point L393-1(line 393) no Hoare annotation was computed. [2020-07-07 10:41:16,990 INFO L268 CegarLoopResult]: For program point L391(lines 391 408) no Hoare annotation was computed. [2020-07-07 10:41:16,990 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2020-07-07 10:41:16,990 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2020-07-07 10:41:16,990 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2020-07-07 10:41:16,990 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-07-07 10:41:16,991 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2020-07-07 10:41:16,991 INFO L271 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: true [2020-07-07 10:41:16,991 INFO L268 CegarLoopResult]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2020-07-07 10:41:16,991 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-07-07 10:41:16,991 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2020-07-07 10:41:16,991 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2020-07-07 10:41:16,991 INFO L268 CegarLoopResult]: For program point L510(lines 510 518) no Hoare annotation was computed. [2020-07-07 10:41:16,991 INFO L268 CegarLoopResult]: For program point L510-2(lines 510 518) no Hoare annotation was computed. [2020-07-07 10:41:16,991 INFO L268 CegarLoopResult]: For program point L498(lines 498 506) no Hoare annotation was computed. [2020-07-07 10:41:16,992 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2020-07-07 10:41:16,992 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 491 526) no Hoare annotation was computed. [2020-07-07 10:41:16,992 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-07 10:41:16,992 INFO L268 CegarLoopResult]: For program point L521-1(line 521) no Hoare annotation was computed. [2020-07-07 10:41:16,992 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 491 526) no Hoare annotation was computed. [2020-07-07 10:41:16,992 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 491 526) no Hoare annotation was computed. [2020-07-07 10:41:16,992 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-07 10:41:16,993 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-07 10:41:16,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 637 682) no Hoare annotation was computed. [2020-07-07 10:41:16,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 637 682) no Hoare annotation was computed. [2020-07-07 10:41:16,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 637 682) no Hoare annotation was computed. [2020-07-07 10:41:16,993 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 950 995) no Hoare annotation was computed. [2020-07-07 10:41:16,995 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 950 995) no Hoare annotation was computed. [2020-07-07 10:41:16,995 INFO L268 CegarLoopResult]: For program point L970(lines 970 977) no Hoare annotation was computed. [2020-07-07 10:41:16,995 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 950 995) no Hoare annotation was computed. [2020-07-07 10:41:16,995 INFO L268 CegarLoopResult]: For program point L964(lines 964 984) no Hoare annotation was computed. [2020-07-07 10:41:16,995 INFO L268 CegarLoopResult]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2020-07-07 10:41:16,996 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:16,996 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2020-07-07 10:41:16,996 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2020-07-07 10:41:16,996 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2020-07-07 10:41:16,996 INFO L271 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: true [2020-07-07 10:41:16,996 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-07-07 10:41:16,996 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2020-07-07 10:41:16,996 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2020-07-07 10:41:16,997 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-07 10:41:16,997 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2020-07-07 10:41:16,997 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2020-07-07 10:41:16,997 INFO L268 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2020-07-07 10:41:16,997 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2020-07-07 10:41:16,997 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2020-07-07 10:41:16,997 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2020-07-07 10:41:16,997 INFO L268 CegarLoopResult]: For program point L417(lines 417 434) no Hoare annotation was computed. [2020-07-07 10:41:16,997 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2020-07-07 10:41:16,998 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:41:16,998 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-07 10:41:16,998 INFO L268 CegarLoopResult]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2020-07-07 10:41:16,998 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-07 10:41:16,998 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4)) .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-07 10:41:16,998 INFO L268 CegarLoopResult]: For program point L421(lines 421 429) no Hoare annotation was computed. [2020-07-07 10:41:16,999 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-07 10:41:16,999 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-07-07 10:41:16,999 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2020-07-07 10:41:16,999 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2020-07-07 10:41:16,999 INFO L264 CegarLoopResult]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:16,999 INFO L268 CegarLoopResult]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2020-07-07 10:41:16,999 INFO L264 CegarLoopResult]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:41:16,999 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-07 10:41:17,000 INFO L264 CegarLoopResult]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:41:17,000 INFO L268 CegarLoopResult]: For program point L577(lines 576 621) no Hoare annotation was computed. [2020-07-07 10:41:17,000 INFO L268 CegarLoopResult]: For program point L606(lines 606 617) no Hoare annotation was computed. [2020-07-07 10:41:17,000 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:41:17,000 INFO L268 CegarLoopResult]: For program point L596(lines 596 602) no Hoare annotation was computed. [2020-07-07 10:41:17,000 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2020-07-07 10:41:17,000 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:41:17,001 INFO L264 CegarLoopResult]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:41:17,001 INFO L268 CegarLoopResult]: For program point L586(lines 586 592) no Hoare annotation was computed. [2020-07-07 10:41:17,001 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2020-07-07 10:41:17,001 INFO L268 CegarLoopResult]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2020-07-07 10:41:17,001 INFO L268 CegarLoopResult]: For program point L578(lines 578 582) no Hoare annotation was computed. [2020-07-07 10:41:17,001 INFO L268 CegarLoopResult]: For program point L924(lines 924 931) no Hoare annotation was computed. [2020-07-07 10:41:17,001 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 904 949) no Hoare annotation was computed. [2020-07-07 10:41:17,001 INFO L268 CegarLoopResult]: For program point L918(lines 918 938) no Hoare annotation was computed. [2020-07-07 10:41:17,001 INFO L268 CegarLoopResult]: For program point L918-1(lines 918 938) no Hoare annotation was computed. [2020-07-07 10:41:17,002 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 904 949) no Hoare annotation was computed. [2020-07-07 10:41:17,002 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 904 949) no Hoare annotation was computed. [2020-07-07 10:41:17,002 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,002 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2020-07-07 10:41:17,002 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2020-07-07 10:41:17,002 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2020-07-07 10:41:17,002 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2020-07-07 10:41:17,002 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2020-07-07 10:41:17,002 INFO L268 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2020-07-07 10:41:17,002 INFO L268 CegarLoopResult]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2020-07-07 10:41:17,003 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2020-07-07 10:41:17,003 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2020-07-07 10:41:17,003 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2020-07-07 10:41:17,003 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:41:17,003 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:41:17,003 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:41:17,003 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 801 903) no Hoare annotation was computed. [2020-07-07 10:41:17,004 INFO L268 CegarLoopResult]: For program point L830(lines 830 846) no Hoare annotation was computed. [2020-07-07 10:41:17,004 INFO L268 CegarLoopResult]: For program point L890(lines 890 897) no Hoare annotation was computed. [2020-07-07 10:41:17,004 INFO L268 CegarLoopResult]: For program point L851(lines 850 870) no Hoare annotation was computed. [2020-07-07 10:41:17,004 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-07 10:41:17,004 INFO L268 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-07-07 10:41:17,004 INFO L268 CegarLoopResult]: For program point L847(lines 847 888) no Hoare annotation was computed. [2020-07-07 10:41:17,004 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 801 903) no Hoare annotation was computed. [2020-07-07 10:41:17,004 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-07 10:41:17,004 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-07-07 10:41:17,005 INFO L268 CegarLoopResult]: For program point L825(lines 825 829) no Hoare annotation was computed. [2020-07-07 10:41:17,005 INFO L268 CegarLoopResult]: For program point L889(lines 889 900) no Hoare annotation was computed. [2020-07-07 10:41:17,005 INFO L268 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-07-07 10:41:17,005 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 801 903) no Hoare annotation was computed. [2020-07-07 10:41:17,005 INFO L268 CegarLoopResult]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2020-07-07 10:41:17,005 INFO L268 CegarLoopResult]: For program point L871(lines 849 872) no Hoare annotation was computed. [2020-07-07 10:41:17,005 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,006 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:41:17,006 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,006 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2020-07-07 10:41:17,006 INFO L264 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:41:17,006 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-07 10:41:17,006 INFO L268 CegarLoopResult]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2020-07-07 10:41:17,007 INFO L268 CegarLoopResult]: For program point L453(lines 453 459) no Hoare annotation was computed. [2020-07-07 10:41:17,007 INFO L264 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-07 10:41:17,007 INFO L268 CegarLoopResult]: For program point L451-1(line 451) no Hoare annotation was computed. [2020-07-07 10:41:17,007 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2020-07-07 10:41:17,007 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2020-07-07 10:41:17,007 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2020-07-07 10:41:17,007 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2020-07-07 10:41:17,007 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-07-07 10:41:17,008 INFO L271 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: true [2020-07-07 10:41:17,008 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2020-07-07 10:41:17,008 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2020-07-07 10:41:17,008 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-07 10:41:17,008 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2020-07-07 10:41:17,008 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-07-07 10:41:17,008 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2020-07-07 10:41:17,008 INFO L268 CegarLoopResult]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2020-07-07 10:41:17,009 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,009 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,009 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,009 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2020-07-07 10:41:17,009 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2020-07-07 10:41:17,009 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2020-07-07 10:41:17,010 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and .cse3 (not (= 0 |old(~pumpRunning~0)|)))) (.cse1 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2)))) [2020-07-07 10:41:17,010 INFO L264 CegarLoopResult]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and .cse6 .cse5)) (.cse3 (and .cse1 .cse6)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4)))) [2020-07-07 10:41:17,010 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:41:17,010 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:41:17,010 INFO L268 CegarLoopResult]: For program point L333(lines 332 351) no Hoare annotation was computed. [2020-07-07 10:41:17,010 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2020-07-07 10:41:17,011 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2020-07-07 10:41:17,011 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2020-07-07 10:41:17,011 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2020-07-07 10:41:17,011 INFO L271 CegarLoopResult]: At program point L252(lines 227 256) the Hoare annotation is: true [2020-07-07 10:41:17,011 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-07-07 10:41:17,011 INFO L268 CegarLoopResult]: For program point L241(lines 241 245) no Hoare annotation was computed. [2020-07-07 10:41:17,011 INFO L271 CegarLoopResult]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2020-07-07 10:41:17,011 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-07-07 10:41:17,011 INFO L271 CegarLoopResult]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2020-07-07 10:41:17,012 INFO L271 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: true [2020-07-07 10:41:17,012 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-07 10:41:17,012 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:41:17,012 INFO L268 CegarLoopResult]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2020-07-07 10:41:17,012 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2020-07-07 10:41:17,012 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2020-07-07 10:41:17,013 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2020-07-07 10:41:17,013 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,013 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:41:17,013 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:41:17,013 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:41:17,013 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:41:17,013 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:41:17,014 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2020-07-07 10:41:17,014 INFO L268 CegarLoopResult]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2020-07-07 10:41:17,014 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2))) [2020-07-07 10:41:17,014 INFO L264 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2))) [2020-07-07 10:41:17,014 INFO L268 CegarLoopResult]: For program point L369(lines 369 377) no Hoare annotation was computed. [2020-07-07 10:41:17,014 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-07 10:41:17,014 INFO L268 CegarLoopResult]: For program point L367-1(line 367) no Hoare annotation was computed. [2020-07-07 10:41:17,015 INFO L268 CegarLoopResult]: For program point L365(lines 365 382) no Hoare annotation was computed. [2020-07-07 10:41:17,015 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2020-07-07 10:41:17,015 INFO L268 CegarLoopResult]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2020-07-07 10:41:17,015 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:41:17,015 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2020-07-07 10:41:17,015 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-07-07 10:41:17,015 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2020-07-07 10:41:17,015 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2020-07-07 10:41:17,016 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2020-07-07 10:41:17,016 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2020-07-07 10:41:17,016 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-07 10:41:17,016 INFO L268 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2020-07-07 10:41:17,016 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:41:17,016 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-07-07 10:41:17,016 INFO L268 CegarLoopResult]: For program point L207(lines 207 220) no Hoare annotation was computed. [2020-07-07 10:41:17,016 INFO L268 CegarLoopResult]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2020-07-07 10:41:17,016 INFO L271 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: true [2020-07-07 10:41:17,017 INFO L268 CegarLoopResult]: For program point L205-1(line 205) no Hoare annotation was computed. [2020-07-07 10:41:17,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:41:17 BoogieIcfgContainer [2020-07-07 10:41:17,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:41:17,038 INFO L168 Benchmark]: Toolchain (without parser) took 62361.08 ms. Allocated memory was 139.5 MB in the beginning and 859.8 MB in the end (delta: 720.4 MB). Free memory was 101.8 MB in the beginning and 171.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 720.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,038 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.87 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 168.6 MB in the end (delta: -67.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,040 INFO L168 Benchmark]: Boogie Preprocessor took 100.55 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 164.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,040 INFO L168 Benchmark]: RCFGBuilder took 1229.70 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 164.1 MB in the beginning and 189.4 MB in the end (delta: -25.3 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,041 INFO L168 Benchmark]: TraceAbstraction took 60241.81 ms. Allocated memory was 235.4 MB in the beginning and 859.8 MB in the end (delta: 624.4 MB). Free memory was 188.0 MB in the beginning and 171.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 710.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:41:17,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.87 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 168.6 MB in the end (delta: -67.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.55 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 164.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1229.70 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 164.1 MB in the beginning and 189.4 MB in the end (delta: -25.3 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60241.81 ms. Allocated memory was 235.4 MB in the beginning and 859.8 MB in the end (delta: 624.4 MB). Free memory was 188.0 MB in the beginning and 171.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 710.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1799 SDtfs, 2335 SDslu, 3063 SDs, 0 SdLazy, 6095 SolverSat, 1357 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 614 SyntacticMatches, 6 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=753occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 596 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1723 PreInvPairs, 1810 NumberOfFragments, 1697 HoareAnnotationTreeSize, 1723 FomulaSimplifications, 22556755 FormulaSimplificationTreeSizeReduction, 5.7s HoareSimplificationTime, 68 FomulaSimplificationsInter, 2231120 FormulaSimplificationTreeSizeReductionInter, 19.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1258 NumberOfCodeBlocks, 1258 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1245 ConstructedInterpolants, 0 QuantifiedInterpolants, 407826 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1707 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 114/119 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...