/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_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:47:15,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:47:15,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:47:15,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:47:15,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:47:15,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:47:15,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:47:15,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:47:15,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:47:15,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:47:15,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:47:15,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:47:15,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:47:15,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:47:15,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:47:15,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:47:15,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:47:15,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:47:15,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:47:15,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:47:15,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:47:15,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:47:15,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:47:15,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:47:15,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:47:15,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:47:15,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:47:15,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:47:15,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:47:15,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:47:15,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:47:15,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:47:15,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:47:15,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:47:15,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:47:15,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:47:15,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:47:15,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:47:15,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:47:15,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:47:15,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:47:15,501 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 10:47:15,525 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:47:15,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:47:15,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:47:15,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:47:15,528 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:47:15,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:47:15,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:47:15,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:47:15,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:47:15,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:47:15,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:47:15,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:47:15,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:47:15,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:47:15,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:47:15,531 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:47:15,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:47:15,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:47:15,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:47:15,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:47:15,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:47:15,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:47:15,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:47:15,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:47:15,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:47:15,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:47:15,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:47:15,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:47:15,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:47:15,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:47:15,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:47:15,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:47:15,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:47:15,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:47:15,836 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:47:15,837 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-07 10:47:15,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b789118a0/9b6024cd58b8446488543c94c5444e7b/FLAG84a94eb3a [2020-07-07 10:47:16,555 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:47:16,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-07 10:47:16,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b789118a0/9b6024cd58b8446488543c94c5444e7b/FLAG84a94eb3a [2020-07-07 10:47:16,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b789118a0/9b6024cd58b8446488543c94c5444e7b [2020-07-07 10:47:16,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:47:16,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:47:16,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:47:16,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:47:16,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:47:16,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:47:16" (1/1) ... [2020-07-07 10:47:16,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31990c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:16, skipping insertion in model container [2020-07-07 10:47:16,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:47:16" (1/1) ... [2020-07-07 10:47:16,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:47:16,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:47:17,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:47:17,334 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:47:17,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:47:17,526 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:47:17,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17 WrapperNode [2020-07-07 10:47:17,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:47:17,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:47:17,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:47:17,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:47:17,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17" (1/1) ... [2020-07-07 10:47:17,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17" (1/1) ... [2020-07-07 10:47:17,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17" (1/1) ... [2020-07-07 10:47:17,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17" (1/1) ... [2020-07-07 10:47:17,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17" (1/1) ... [2020-07-07 10:47:17,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17" (1/1) ... [2020-07-07 10:47:17,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17" (1/1) ... [2020-07-07 10:47:17,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:47:17,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:47:17,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:47:17,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:47:17,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17" (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 10:47:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:47:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:47:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:47:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:47:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:47:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:47:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:47:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:47:17,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:47:17,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:47:17,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:47:17,723 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:47:17,723 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:47:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:47:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:47:17,725 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:47:17,725 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:47:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:47:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:47:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:47:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:47:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:47:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:47:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:47:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:47:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:47:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:47:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:47:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:47:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:47:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:47:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:47:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:47:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:47:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:47:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:47:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:47:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:47:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:47:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:47:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:47:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:47:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:47:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:47:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:47:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:47:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:47:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:47:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:47:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:47:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:47:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:47:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:47:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:47:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:47:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:47:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:47:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:47:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:47:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:47:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:47:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:47:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:47:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:47:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:47:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:47:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:47:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:47:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:47:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:47:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:47:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:47:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:47:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:47:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:47:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:47:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:47:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:47:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:47:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:47:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:47:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:47:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:47:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:47:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:47:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:47:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:47:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:47:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:47:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:47:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:47:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:47:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:47:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:47:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:47:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:47:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:47:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:47:19,059 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:47:19,059 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:47:19,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:47:19 BoogieIcfgContainer [2020-07-07 10:47:19,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:47:19,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:47:19,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:47:19,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:47:19,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:47:16" (1/3) ... [2020-07-07 10:47:19,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af1b1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:47:19, skipping insertion in model container [2020-07-07 10:47:19,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:17" (2/3) ... [2020-07-07 10:47:19,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af1b1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:47:19, skipping insertion in model container [2020-07-07 10:47:19,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:47:19" (3/3) ... [2020-07-07 10:47:19,076 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-07-07 10:47:19,086 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:47:19,095 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:47:19,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:47:19,132 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:47:19,132 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:47:19,132 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:47:19,132 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:47:19,133 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:47:19,133 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:47:19,133 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:47:19,133 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:47:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-07 10:47:19,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:47:19,167 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:19,168 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 10:47:19,169 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:19,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:19,174 INFO L82 PathProgramCache]: Analyzing trace with hash -583894042, now seen corresponding path program 1 times [2020-07-07 10:47:19,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:19,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160936485] [2020-07-07 10:47:19,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:19,841 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:19,970 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 10:47:19,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160936485] [2020-07-07 10:47:19,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:19,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:47:19,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278642497] [2020-07-07 10:47:19,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:47:19,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:19,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:47:19,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:47:19,998 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 3 states. [2020-07-07 10:47:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:21,216 INFO L93 Difference]: Finished difference Result 320 states and 417 transitions. [2020-07-07 10:47:21,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:47:21,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:47:21,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:21,237 INFO L225 Difference]: With dead ends: 320 [2020-07-07 10:47:21,237 INFO L226 Difference]: Without dead ends: 173 [2020-07-07 10:47:21,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:47:21,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-07 10:47:21,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 138. [2020-07-07 10:47:21,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-07 10:47:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-07-07 10:47:21,372 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 46 [2020-07-07 10:47:21,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:21,372 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-07-07 10:47:21,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:47:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-07-07 10:47:21,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:47:21,376 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:21,376 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 10:47:21,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:47:21,377 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:21,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:21,377 INFO L82 PathProgramCache]: Analyzing trace with hash 2008699999, now seen corresponding path program 1 times [2020-07-07 10:47:21,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:21,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384527211] [2020-07-07 10:47:21,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:21,682 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:21,719 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 10:47:21,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384527211] [2020-07-07 10:47:21,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:21,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:47:21,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910181147] [2020-07-07 10:47:21,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:47:21,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:21,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:47:21,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:47:21,723 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 4 states. [2020-07-07 10:47:22,163 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:23,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:23,060 INFO L93 Difference]: Finished difference Result 243 states and 296 transitions. [2020-07-07 10:47:23,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:47:23,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:47:23,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:23,066 INFO L225 Difference]: With dead ends: 243 [2020-07-07 10:47:23,066 INFO L226 Difference]: Without dead ends: 157 [2020-07-07 10:47:23,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:47:23,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-07 10:47:23,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 129. [2020-07-07 10:47:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-07 10:47:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-07-07 10:47:23,110 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 47 [2020-07-07 10:47:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:23,110 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-07-07 10:47:23,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:47:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-07-07 10:47:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:47:23,112 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:23,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:23,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:47:23,113 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:23,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:23,114 INFO L82 PathProgramCache]: Analyzing trace with hash 940393630, now seen corresponding path program 1 times [2020-07-07 10:47:23,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:23,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030036746] [2020-07-07 10:47:23,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:23,500 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:23,589 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 10:47:23,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030036746] [2020-07-07 10:47:23,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:23,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:47:23,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938916524] [2020-07-07 10:47:23,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:47:23,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:23,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:47:23,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:47:23,594 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 8 states. [2020-07-07 10:47:23,942 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:24,249 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:24,523 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:24,761 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:25,500 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:27,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:27,322 INFO L93 Difference]: Finished difference Result 442 states and 547 transitions. [2020-07-07 10:47:27,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:47:27,324 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-07 10:47:27,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:27,329 INFO L225 Difference]: With dead ends: 442 [2020-07-07 10:47:27,329 INFO L226 Difference]: Without dead ends: 337 [2020-07-07 10:47:27,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:47:27,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-07-07 10:47:27,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 272. [2020-07-07 10:47:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-07 10:47:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 328 transitions. [2020-07-07 10:47:27,413 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 328 transitions. Word has length 52 [2020-07-07 10:47:27,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:27,413 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 328 transitions. [2020-07-07 10:47:27,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:47:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 328 transitions. [2020-07-07 10:47:27,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:47:27,416 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:27,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:27,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:47:27,417 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:27,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:27,417 INFO L82 PathProgramCache]: Analyzing trace with hash -885199720, now seen corresponding path program 1 times [2020-07-07 10:47:27,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:27,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321490301] [2020-07-07 10:47:27,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:27,764 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:27,891 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 10:47:27,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321490301] [2020-07-07 10:47:27,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:27,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:47:27,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825414163] [2020-07-07 10:47:27,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:47:27,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:27,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:47:27,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:47:27,894 INFO L87 Difference]: Start difference. First operand 272 states and 328 transitions. Second operand 12 states. [2020-07-07 10:47:28,346 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:28,646 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:28,895 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:29,169 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:29,688 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:30,552 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:30,942 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:31,246 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:31,524 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:47:31,872 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:32,205 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:32,535 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:32,924 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:34,798 INFO L93 Difference]: Finished difference Result 1101 states and 1516 transitions. [2020-07-07 10:47:34,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:47:34,799 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-07 10:47:34,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:34,809 INFO L225 Difference]: With dead ends: 1101 [2020-07-07 10:47:34,810 INFO L226 Difference]: Without dead ends: 853 [2020-07-07 10:47:34,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:47:34,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2020-07-07 10:47:35,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 756. [2020-07-07 10:47:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-07-07 10:47:35,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 962 transitions. [2020-07-07 10:47:35,029 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 962 transitions. Word has length 57 [2020-07-07 10:47:35,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:35,030 INFO L479 AbstractCegarLoop]: Abstraction has 756 states and 962 transitions. [2020-07-07 10:47:35,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:47:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 962 transitions. [2020-07-07 10:47:35,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-07 10:47:35,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:35,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:35,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:47:35,035 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:35,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:35,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1426922018, now seen corresponding path program 1 times [2020-07-07 10:47:35,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:35,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064139857] [2020-07-07 10:47:35,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,267 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,373 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 10:47:35,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064139857] [2020-07-07 10:47:35,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:35,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:47:35,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010908788] [2020-07-07 10:47:35,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:47:35,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:35,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:47:35,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:47:35,376 INFO L87 Difference]: Start difference. First operand 756 states and 962 transitions. Second operand 6 states. [2020-07-07 10:47:35,690 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:37,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:37,627 INFO L93 Difference]: Finished difference Result 1819 states and 2481 transitions. [2020-07-07 10:47:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:47:37,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-07 10:47:37,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:37,638 INFO L225 Difference]: With dead ends: 1819 [2020-07-07 10:47:37,638 INFO L226 Difference]: Without dead ends: 1087 [2020-07-07 10:47:37,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:47:37,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2020-07-07 10:47:37,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 996. [2020-07-07 10:47:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-07-07 10:47:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1256 transitions. [2020-07-07 10:47:37,902 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1256 transitions. Word has length 61 [2020-07-07 10:47:37,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:37,903 INFO L479 AbstractCegarLoop]: Abstraction has 996 states and 1256 transitions. [2020-07-07 10:47:37,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:47:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1256 transitions. [2020-07-07 10:47:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:47:37,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:37,907 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:37,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:47:37,907 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:37,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:37,908 INFO L82 PathProgramCache]: Analyzing trace with hash -50759536, now seen corresponding path program 1 times [2020-07-07 10:47:37,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:37,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310527960] [2020-07-07 10:47:37,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,182 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 10:47:38,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310527960] [2020-07-07 10:47:38,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985627221] [2020-07-07 10:47:38,312 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 10:47:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:38,506 INFO L264 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:47:38,523 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:47:38,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:47:38,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:47:38,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866469355] [2020-07-07 10:47:38,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:47:38,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:38,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:47:38,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:47:38,626 INFO L87 Difference]: Start difference. First operand 996 states and 1256 transitions. Second operand 12 states. [2020-07-07 10:47:39,254 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:47:39,862 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:41,902 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:42,252 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:45,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:45,538 INFO L93 Difference]: Finished difference Result 2678 states and 3657 transitions. [2020-07-07 10:47:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-07 10:47:45,538 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-07 10:47:45,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:45,552 INFO L225 Difference]: With dead ends: 2678 [2020-07-07 10:47:45,552 INFO L226 Difference]: Without dead ends: 1957 [2020-07-07 10:47:45,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2020-07-07 10:47:45,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2020-07-07 10:47:45,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1775. [2020-07-07 10:47:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-07-07 10:47:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2263 transitions. [2020-07-07 10:47:45,966 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2263 transitions. Word has length 89 [2020-07-07 10:47:45,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:45,968 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 2263 transitions. [2020-07-07 10:47:45,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:47:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2263 transitions. [2020-07-07 10:47:45,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-07 10:47:45,976 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:45,977 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:46,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:47:46,192 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:46,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:46,192 INFO L82 PathProgramCache]: Analyzing trace with hash 622271142, now seen corresponding path program 1 times [2020-07-07 10:47:46,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:46,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778600111] [2020-07-07 10:47:46,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,482 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 10:47:46,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778600111] [2020-07-07 10:47:46,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064950419] [2020-07-07 10:47:46,705 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 10:47:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,940 INFO L264 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:47:46,949 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-07 10:47:47,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:47:47,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2020-07-07 10:47:47,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392765962] [2020-07-07 10:47:47,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:47:47,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:47,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:47:47,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:47:47,136 INFO L87 Difference]: Start difference. First operand 1775 states and 2263 transitions. Second operand 6 states. [2020-07-07 10:47:47,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:47,666 INFO L93 Difference]: Finished difference Result 1818 states and 2317 transitions. [2020-07-07 10:47:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:47:47,667 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-07-07 10:47:47,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:47,679 INFO L225 Difference]: With dead ends: 1818 [2020-07-07 10:47:47,680 INFO L226 Difference]: Without dead ends: 1815 [2020-07-07 10:47:47,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:47:47,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2020-07-07 10:47:47,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1775. [2020-07-07 10:47:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-07-07 10:47:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2251 transitions. [2020-07-07 10:47:48,004 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2251 transitions. Word has length 130 [2020-07-07 10:47:48,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:48,005 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 2251 transitions. [2020-07-07 10:47:48,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:47:48,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2251 transitions. [2020-07-07 10:47:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-07 10:47:48,009 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:48,009 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:48,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:48,224 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:48,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:48,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1096635069, now seen corresponding path program 1 times [2020-07-07 10:47:48,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:48,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804106094] [2020-07-07 10:47:48,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,565 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 10:47:48,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804106094] [2020-07-07 10:47:48,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362288844] [2020-07-07 10:47:48,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:49,034 INFO L264 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:47:49,040 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 10:47:49,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:47:49,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-07 10:47:49,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997040394] [2020-07-07 10:47:49,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:47:49,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:49,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:47:49,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:47:49,104 INFO L87 Difference]: Start difference. First operand 1775 states and 2251 transitions. Second operand 6 states. [2020-07-07 10:47:49,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:49,473 INFO L93 Difference]: Finished difference Result 3566 states and 4644 transitions. [2020-07-07 10:47:49,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:47:49,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2020-07-07 10:47:49,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:49,484 INFO L225 Difference]: With dead ends: 3566 [2020-07-07 10:47:49,485 INFO L226 Difference]: Without dead ends: 1815 [2020-07-07 10:47:49,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:47:49,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2020-07-07 10:47:49,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2020-07-07 10:47:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2020-07-07 10:47:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2299 transitions. [2020-07-07 10:47:49,941 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2299 transitions. Word has length 134 [2020-07-07 10:47:49,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:49,942 INFO L479 AbstractCegarLoop]: Abstraction has 1815 states and 2299 transitions. [2020-07-07 10:47:49,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:47:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2299 transitions. [2020-07-07 10:47:49,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-07 10:47:49,946 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:49,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:50,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:50,160 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:50,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:50,161 INFO L82 PathProgramCache]: Analyzing trace with hash -782495877, now seen corresponding path program 1 times [2020-07-07 10:47:50,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:50,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860805912] [2020-07-07 10:47:50,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,428 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 10:47:50,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860805912] [2020-07-07 10:47:50,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024494995] [2020-07-07 10:47:50,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:50,752 INFO L264 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-07 10:47:50,755 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 10:47:50,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:47:50,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 12 [2020-07-07 10:47:50,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379271403] [2020-07-07 10:47:50,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:47:50,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:50,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:47:50,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:47:50,783 INFO L87 Difference]: Start difference. First operand 1815 states and 2299 transitions. Second operand 5 states. [2020-07-07 10:47:51,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:51,226 INFO L93 Difference]: Finished difference Result 3322 states and 4292 transitions. [2020-07-07 10:47:51,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:47:51,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-07-07 10:47:51,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:51,239 INFO L225 Difference]: With dead ends: 3322 [2020-07-07 10:47:51,239 INFO L226 Difference]: Without dead ends: 1531 [2020-07-07 10:47:51,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:47:51,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2020-07-07 10:47:51,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2020-07-07 10:47:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2020-07-07 10:47:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1897 transitions. [2020-07-07 10:47:51,772 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1897 transitions. Word has length 134 [2020-07-07 10:47:51,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:51,773 INFO L479 AbstractCegarLoop]: Abstraction has 1531 states and 1897 transitions. [2020-07-07 10:47:51,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:47:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1897 transitions. [2020-07-07 10:47:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-07 10:47:51,778 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:51,779 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:51,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:51,993 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:51,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:51,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1152526356, now seen corresponding path program 1 times [2020-07-07 10:47:51,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:51,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683057865] [2020-07-07 10:47:51,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,348 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,535 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 10:47:52,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683057865] [2020-07-07 10:47:52,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005284686] [2020-07-07 10:47:52,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:52,707 INFO L264 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:47:52,711 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:52,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:47:52,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 14 [2020-07-07 10:47:52,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303077402] [2020-07-07 10:47:52,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 10:47:52,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:52,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 10:47:52,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:47:52,780 INFO L87 Difference]: Start difference. First operand 1531 states and 1897 transitions. Second operand 14 states. [2020-07-07 10:47:53,145 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:53,798 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:54,699 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-07 10:47:54,956 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:55,205 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:55,683 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-07 10:47:55,974 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:47:56,296 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:47:58,054 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:59,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:59,070 INFO L93 Difference]: Finished difference Result 3151 states and 4186 transitions. [2020-07-07 10:47:59,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:47:59,070 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2020-07-07 10:47:59,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:59,083 INFO L225 Difference]: With dead ends: 3151 [2020-07-07 10:47:59,083 INFO L226 Difference]: Without dead ends: 1803 [2020-07-07 10:47:59,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 187 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2020-07-07 10:47:59,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2020-07-07 10:47:59,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1399. [2020-07-07 10:47:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1399 states. [2020-07-07 10:47:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1728 transitions. [2020-07-07 10:47:59,360 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1728 transitions. Word has length 138 [2020-07-07 10:47:59,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:59,361 INFO L479 AbstractCegarLoop]: Abstraction has 1399 states and 1728 transitions. [2020-07-07 10:47:59,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 10:47:59,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1728 transitions. [2020-07-07 10:47:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-07 10:47:59,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:59,367 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:59,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:47:59,582 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:59,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:59,582 INFO L82 PathProgramCache]: Analyzing trace with hash 2082208677, now seen corresponding path program 2 times [2020-07-07 10:47:59,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:59,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694759741] [2020-07-07 10:47:59,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,895 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-07 10:48:00,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694759741] [2020-07-07 10:48:00,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772430482] [2020-07-07 10:48:00,322 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:00,651 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-07 10:48:00,651 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-07 10:48:00,656 INFO L264 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-07 10:48:00,660 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:00,744 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-07 10:48:00,744 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-07 10:48:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-07 10:48:00,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:48:00,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 24 [2020-07-07 10:48:00,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909346664] [2020-07-07 10:48:00,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:48:00,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:00,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:48:00,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:48:00,841 INFO L87 Difference]: Start difference. First operand 1399 states and 1728 transitions. Second operand 9 states. [2020-07-07 10:48:01,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:01,732 INFO L93 Difference]: Finished difference Result 3214 states and 4099 transitions. [2020-07-07 10:48:01,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:48:01,732 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 192 [2020-07-07 10:48:01,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:01,743 INFO L225 Difference]: With dead ends: 3214 [2020-07-07 10:48:01,743 INFO L226 Difference]: Without dead ends: 1866 [2020-07-07 10:48:01,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 243 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:48:01,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-07-07 10:48:02,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1847. [2020-07-07 10:48:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2020-07-07 10:48:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2259 transitions. [2020-07-07 10:48:02,015 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2259 transitions. Word has length 192 [2020-07-07 10:48:02,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:02,016 INFO L479 AbstractCegarLoop]: Abstraction has 1847 states and 2259 transitions. [2020-07-07 10:48:02,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:48:02,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2259 transitions. [2020-07-07 10:48:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-07 10:48:02,022 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:48:02,022 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:02,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:02,236 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:48:02,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:48:02,236 INFO L82 PathProgramCache]: Analyzing trace with hash 123633891, now seen corresponding path program 1 times [2020-07-07 10:48:02,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:48:02,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87517301] [2020-07-07 10:48:02,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:48:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,524 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-07 10:48:02,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87517301] [2020-07-07 10:48:02,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920310025] [2020-07-07 10:48:02,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:03,072 INFO L264 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 10:48:03,078 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-07 10:48:03,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:48:03,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 15 [2020-07-07 10:48:03,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582454502] [2020-07-07 10:48:03,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:48:03,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:03,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:48:03,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:48:03,160 INFO L87 Difference]: Start difference. First operand 1847 states and 2259 transitions. Second operand 6 states. [2020-07-07 10:48:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:03,435 INFO L93 Difference]: Finished difference Result 2459 states and 3018 transitions. [2020-07-07 10:48:03,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:48:03,436 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-07-07 10:48:03,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:03,437 INFO L225 Difference]: With dead ends: 2459 [2020-07-07 10:48:03,437 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:48:03,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:48:03,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:48:03,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:48:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:48:03,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:48:03,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2020-07-07 10:48:03,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:03,447 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:48:03,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:48:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:48:03,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:48:03,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:03,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:48:05,342 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 256 [2020-07-07 10:48:06,408 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 248 [2020-07-07 10:48:08,615 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 251 [2020-07-07 10:48:11,197 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-07-07 10:48:12,333 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-07-07 10:48:12,527 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:48:12,882 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:13,035 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:48:13,493 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 15 [2020-07-07 10:48:13,918 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-07 10:48:14,297 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-07 10:48:14,526 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 25 [2020-07-07 10:48:14,905 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 18 [2020-07-07 10:48:15,820 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 30 [2020-07-07 10:48:16,240 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-07-07 10:48:16,429 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:16,700 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 22 [2020-07-07 10:48:16,972 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-07 10:48:17,441 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-07-07 10:48:17,577 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-07-07 10:48:18,093 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 21 [2020-07-07 10:48:18,483 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-07 10:48:18,978 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 16 [2020-07-07 10:48:19,717 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 19 [2020-07-07 10:48:20,059 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 13 [2020-07-07 10:48:20,185 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-07-07 10:48:20,332 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-07 10:48:20,667 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:20,967 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 13 [2020-07-07 10:48:21,121 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-07 10:48:21,344 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 25 [2020-07-07 10:48:21,650 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 10 [2020-07-07 10:48:21,893 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 25 [2020-07-07 10:48:22,265 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-07-07 10:48:22,394 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:48:22,754 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:23,272 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 13 [2020-07-07 10:48:24,189 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 26 [2020-07-07 10:48:24,309 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2020-07-07 10:48:24,433 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:48:24,781 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:25,120 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:25,468 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:48:25,714 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2020-07-07 10:48:25,915 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 11 [2020-07-07 10:48:26,261 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 11 [2020-07-07 10:48:26,411 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-07 10:48:27,089 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 24 [2020-07-07 10:48:27,216 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-07-07 10:48:27,220 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-07 10:48:27,221 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 536) no Hoare annotation was computed. [2020-07-07 10:48:27,221 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 501 556) no Hoare annotation was computed. [2020-07-07 10:48:27,221 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-07 10:48:27,221 INFO L268 CegarLoopResult]: For program point L526-2(lines 526 547) no Hoare annotation was computed. [2020-07-07 10:48:27,221 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 501 556) no Hoare annotation was computed. [2020-07-07 10:48:27,221 INFO L268 CegarLoopResult]: For program point L548(lines 525 549) no Hoare annotation was computed. [2020-07-07 10:48:27,222 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 501 556) no Hoare annotation was computed. [2020-07-07 10:48:27,222 INFO L268 CegarLoopResult]: For program point L609(lines 582 610) no Hoare annotation was computed. [2020-07-07 10:48:27,222 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-07 10:48:27,222 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-07 10:48:27,222 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 557 616) no Hoare annotation was computed. [2020-07-07 10:48:27,222 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 557 616) no Hoare annotation was computed. [2020-07-07 10:48:27,223 INFO L268 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-07-07 10:48:27,223 INFO L268 CegarLoopResult]: For program point L589-1(lines 589 593) no Hoare annotation was computed. [2020-07-07 10:48:27,223 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 557 616) no Hoare annotation was computed. [2020-07-07 10:48:27,223 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-07 10:48:27,223 INFO L268 CegarLoopResult]: For program point L583-2(lines 583 608) no Hoare annotation was computed. [2020-07-07 10:48:27,223 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 932 938) the Hoare annotation is: true [2020-07-07 10:48:27,224 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 932 938) no Hoare annotation was computed. [2020-07-07 10:48:27,224 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 939 947) no Hoare annotation was computed. [2020-07-07 10:48:27,224 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 939 947) the Hoare annotation is: true [2020-07-07 10:48:27,224 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 939 947) no Hoare annotation was computed. [2020-07-07 10:48:27,224 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 958 982) the Hoare annotation is: true [2020-07-07 10:48:27,224 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 958 982) no Hoare annotation was computed. [2020-07-07 10:48:27,224 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)))) [2020-07-07 10:48:27,224 INFO L268 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2020-07-07 10:48:27,225 INFO L264 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)))) [2020-07-07 10:48:27,225 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-07 10:48:27,225 INFO L268 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2020-07-07 10:48:27,225 INFO L268 CegarLoopResult]: For program point L966-1(lines 958 982) no Hoare annotation was computed. [2020-07-07 10:48:27,225 INFO L271 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: true [2020-07-07 10:48:27,225 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-07-07 10:48:27,225 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:27,225 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:27,226 INFO L264 CegarLoopResult]: At program point L896-1(line 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:27,226 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 890 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:27,226 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 890 912) no Hoare annotation was computed. [2020-07-07 10:48:27,226 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 890 912) no Hoare annotation was computed. [2020-07-07 10:48:27,226 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:27,226 INFO L264 CegarLoopResult]: At program point L902-1(line 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point L900-1(lines 900 907) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 846 869) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 846 869) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-07 10:48:27,227 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 846 869) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 355 369) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0)))) [2020-07-07 10:48:27,228 INFO L268 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-07-07 10:48:27,228 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 355 369) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 355 369) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 336 354) the Hoare annotation is: true [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L271 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: true [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point L343-1(line 343) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 336 354) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 336 354) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-07-07 10:48:27,229 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point L311-1(line 311) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 281 316) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 281 316) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 281 316) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 925 931) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 925 931) the Hoare annotation is: true [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 455 500) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 455 500) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 455 500) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 768 813) no Hoare annotation was computed. [2020-07-07 10:48:27,230 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-07-07 10:48:27,231 INFO L268 CegarLoopResult]: For program point L782(lines 782 802) no Hoare annotation was computed. [2020-07-07 10:48:27,231 INFO L268 CegarLoopResult]: For program point L782-1(lines 782 802) no Hoare annotation was computed. [2020-07-07 10:48:27,231 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 768 813) no Hoare annotation was computed. [2020-07-07 10:48:27,231 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 768 813) no Hoare annotation was computed. [2020-07-07 10:48:27,231 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 877 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:27,231 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 877 886) no Hoare annotation was computed. [2020-07-07 10:48:27,231 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 877 886) no Hoare annotation was computed. [2020-07-07 10:48:27,231 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 261 271) no Hoare annotation was computed. [2020-07-07 10:48:27,231 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2020-07-07 10:48:27,232 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-07 10:48:27,232 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-07-07 10:48:27,232 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2020-07-07 10:48:27,232 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-07 10:48:27,232 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-07 10:48:27,232 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-07 10:48:27,232 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-07 10:48:27,232 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-07 10:48:27,232 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-07 10:48:27,233 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-07 10:48:27,233 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-07-07 10:48:27,233 INFO L268 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-07-07 10:48:27,233 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2020-07-07 10:48:27,233 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-07 10:48:27,233 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)) (= 0 ~systemActive~0)) [2020-07-07 10:48:27,233 INFO L268 CegarLoopResult]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2020-07-07 10:48:27,233 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-07-07 10:48:27,233 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~1))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-07 10:48:27,234 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-07-07 10:48:27,234 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-07 10:48:27,234 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2020-07-07 10:48:27,234 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2020-07-07 10:48:27,234 INFO L264 CegarLoopResult]: At program point testENTRY(lines 380 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:48:27,234 INFO L264 CegarLoopResult]: At program point L440(lines 389 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:27,234 INFO L268 CegarLoopResult]: For program point testFINAL(lines 380 447) no Hoare annotation was computed. [2020-07-07 10:48:27,234 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:27,235 INFO L268 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2020-07-07 10:48:27,235 INFO L264 CegarLoopResult]: At program point L428-1(lines 420 435) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:27,235 INFO L268 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2020-07-07 10:48:27,235 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:27,235 INFO L268 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2020-07-07 10:48:27,235 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:27,235 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-07-07 10:48:27,235 INFO L268 CegarLoopResult]: For program point L410-1(lines 410 416) no Hoare annotation was computed. [2020-07-07 10:48:27,236 INFO L264 CegarLoopResult]: At program point L437(lines 390 439) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:27,236 INFO L264 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:27,236 INFO L268 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-07-07 10:48:27,236 INFO L268 CegarLoopResult]: For program point L400-1(lines 400 406) no Hoare annotation was computed. [2020-07-07 10:48:27,236 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-07-07 10:48:27,236 INFO L268 CegarLoopResult]: For program point testEXIT(lines 380 447) no Hoare annotation was computed. [2020-07-07 10:48:27,236 INFO L268 CegarLoopResult]: For program point L736(lines 736 756) no Hoare annotation was computed. [2020-07-07 10:48:27,236 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 756) no Hoare annotation was computed. [2020-07-07 10:48:27,236 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 722 767) no Hoare annotation was computed. [2020-07-07 10:48:27,236 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 722 767) no Hoare annotation was computed. [2020-07-07 10:48:27,237 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 722 767) no Hoare annotation was computed. [2020-07-07 10:48:27,237 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-07-07 10:48:27,237 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-07 10:48:27,237 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-07 10:48:27,237 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-07 10:48:27,237 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-07 10:48:27,237 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-07 10:48:27,237 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-07 10:48:27,237 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-07 10:48:27,237 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 619 721) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L669(lines 668 688) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L665(lines 665 706) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 619 721) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-07-07 10:48:27,238 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 688) no Hoare annotation was computed. [2020-07-07 10:48:27,239 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 619 721) no Hoare annotation was computed. [2020-07-07 10:48:27,239 INFO L268 CegarLoopResult]: For program point L689(lines 667 690) no Hoare annotation was computed. [2020-07-07 10:48:27,239 INFO L268 CegarLoopResult]: For program point L648(lines 648 664) no Hoare annotation was computed. [2020-07-07 10:48:27,239 INFO L268 CegarLoopResult]: For program point L708(lines 708 715) no Hoare annotation was computed. [2020-07-07 10:48:27,239 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 915 924) no Hoare annotation was computed. [2020-07-07 10:48:27,239 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 915 924) no Hoare annotation was computed. [2020-07-07 10:48:27,239 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 915 924) no Hoare annotation was computed. [2020-07-07 10:48:27,239 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:48:27,240 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-07 10:48:27,240 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:48:27,240 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2020-07-07 10:48:27,240 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2020-07-07 10:48:27,240 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-07 10:48:27,240 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-07 10:48:27,240 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-07 10:48:27,240 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-07 10:48:27,241 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2020-07-07 10:48:27,241 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-07-07 10:48:27,241 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2020-07-07 10:48:27,241 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2020-07-07 10:48:27,241 INFO L271 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: true [2020-07-07 10:48:27,241 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2020-07-07 10:48:27,241 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-07-07 10:48:27,241 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-07 10:48:27,241 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-07 10:48:27,241 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-07 10:48:27,242 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:48:27,242 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:48:27,242 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:48:27,242 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 86 94) no Hoare annotation was computed. [2020-07-07 10:48:27,242 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-07 10:48:27,242 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-07 10:48:27,242 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:48:27,242 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (not .cse0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2020-07-07 10:48:27,243 INFO L264 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse4 .cse6)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (let ((.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse2 (and (<= 2 ~waterLevel~0) .cse3) (and .cse3 .cse4) .cse5)) (or .cse0 (and (not .cse2) .cse6) .cse1 .cse5)))) [2020-07-07 10:48:27,243 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2020-07-07 10:48:27,243 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)))) [2020-07-07 10:48:27,243 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2020-07-07 10:48:27,243 INFO L268 CegarLoopResult]: For program point L166(lines 165 184) no Hoare annotation was computed. [2020-07-07 10:48:27,243 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2020-07-07 10:48:27,243 INFO L268 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-07-07 10:48:27,243 INFO L271 CegarLoopResult]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2020-07-07 10:48:27,244 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 816 845) the Hoare annotation is: true [2020-07-07 10:48:27,244 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-07 10:48:27,244 INFO L271 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2020-07-07 10:48:27,244 INFO L271 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: true [2020-07-07 10:48:27,244 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-07 10:48:27,244 INFO L271 CegarLoopResult]: At program point L841(lines 816 845) the Hoare annotation is: true [2020-07-07 10:48:27,244 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-07 10:48:27,244 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (= 0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) [2020-07-07 10:48:27,244 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-07 10:48:27,245 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-07 10:48:27,245 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 870 876) no Hoare annotation was computed. [2020-07-07 10:48:27,245 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 870 876) the Hoare annotation is: true [2020-07-07 10:48:27,245 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:48:27,245 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:48:27,245 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:48:27,245 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:48:27,245 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2020-07-07 10:48:27,246 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:48:27,246 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2020-07-07 10:48:27,246 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-07 10:48:27,246 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2020-07-07 10:48:27,246 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-07 10:48:27,246 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-07-07 10:48:27,246 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:48:27,246 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-07 10:48:27,246 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-07-07 10:48:27,247 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-07 10:48:27,247 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-07 10:48:27,247 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-07-07 10:48:27,247 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-07 10:48:27,247 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-07 10:48:27,247 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (= 0 ~systemActive~0) .cse0 .cse1) (or .cse0 .cse2 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse1))) [2020-07-07 10:48:27,247 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2020-07-07 10:48:27,247 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2020-07-07 10:48:27,247 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2020-07-07 10:48:27,247 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2020-07-07 10:48:27,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:48:27 BoogieIcfgContainer [2020-07-07 10:48:27,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:48:27,266 INFO L168 Benchmark]: Toolchain (without parser) took 70502.53 ms. Allocated memory was 144.2 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 101.1 MB in the beginning and 929.1 MB in the end (delta: -828.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-07 10:48:27,266 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:48:27,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.05 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.8 MB in the beginning and 169.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:27,267 INFO L168 Benchmark]: Boogie Preprocessor took 92.57 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 165.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:27,268 INFO L168 Benchmark]: RCFGBuilder took 1447.26 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 165.6 MB in the beginning and 194.5 MB in the end (delta: -28.9 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:27,268 INFO L168 Benchmark]: TraceAbstraction took 68195.45 ms. Allocated memory was 233.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 194.5 MB in the beginning and 929.1 MB in the end (delta: -734.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-07 10:48:27,270 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.05 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.8 MB in the beginning and 169.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.57 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 165.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1447.26 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 165.6 MB in the beginning and 194.5 MB in the end (delta: -28.9 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68195.45 ms. Allocated memory was 233.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 194.5 MB in the beginning and 929.1 MB in the end (delta: -734.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 389]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) || ((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 31.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1863 SDtfs, 2995 SDslu, 4079 SDs, 0 SdLazy, 7761 SolverSat, 2102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1610 GetRequests, 1408 SyntacticMatches, 14 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1847occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 961 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4492 PreInvPairs, 4649 NumberOfFragments, 1202 HoareAnnotationTreeSize, 4492 FomulaSimplifications, 699320 FormulaSimplificationTreeSizeReduction, 7.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 59738 FormulaSimplificationTreeSizeReductionInter, 16.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2281 NumberOfCodeBlocks, 2281 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2262 ConstructedInterpolants, 0 QuantifiedInterpolants, 713218 SizeOfPredicates, 20 NumberOfNonLiveVariables, 6162 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 648/720 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...