/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_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:11:19,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:11:19,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:11:19,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:11:19,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:11:19,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:11:19,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:11:19,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:11:19,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:11:19,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:11:19,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:11:19,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:11:19,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:11:19,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:11:19,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:11:19,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:11:19,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:11:19,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:11:19,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:11:19,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:11:19,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:11:19,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:11:19,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:11:19,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:11:19,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 16:11:19,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 16:11:19,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 16:11:19,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 16:11:19,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 16:11:19,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 16:11:19,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:11:19,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:11:19,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:11:19,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:11:19,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:11:19,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:11:19,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:11:19,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:11:19,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:11:19,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:11:19,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:11:19,505 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 [2020-08-22 16:11:19,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:11:19,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:11:19,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:11:19,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:11:19,542 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:11:19,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:11:19,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:11:19,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:11:19,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:11:19,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:11:19,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:11:19,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:11:19,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:11:19,544 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:11:19,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:11:19,544 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:11:19,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:11:19,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:11:19,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:11:19,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:11:19,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:11:19,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:11:19,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:11:19,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:11:19,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:11:19,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:11:19,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:11:19,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:11:19,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:11:19,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:11:19,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:11:19,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:11:19,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:11:19,895 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:11:19,897 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:11:19,898 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-08-22 16:11:19,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa769b37/46987dcbefd34f7684296d8a002df490/FLAGaffab2037 [2020-08-22 16:11:20,514 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:11:20,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-08-22 16:11:20,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa769b37/46987dcbefd34f7684296d8a002df490/FLAGaffab2037 [2020-08-22 16:11:20,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa769b37/46987dcbefd34f7684296d8a002df490 [2020-08-22 16:11:20,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:11:20,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:11:20,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:11:20,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:11:20,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:11:20,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:11:20" (1/1) ... [2020-08-22 16:11:20,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129d3bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:20, skipping insertion in model container [2020-08-22 16:11:20,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:11:20" (1/1) ... [2020-08-22 16:11:20,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:11:20,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:11:21,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:11:21,467 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:11:21,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:11:21,617 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:11:21,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21 WrapperNode [2020-08-22 16:11:21,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:11:21,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:11:21,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:11:21,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:11:21,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21" (1/1) ... [2020-08-22 16:11:21,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21" (1/1) ... [2020-08-22 16:11:21,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21" (1/1) ... [2020-08-22 16:11:21,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21" (1/1) ... [2020-08-22 16:11:21,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21" (1/1) ... [2020-08-22 16:11:21,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21" (1/1) ... [2020-08-22 16:11:21,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21" (1/1) ... [2020-08-22 16:11:21,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:11:21,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:11:21,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:11:21,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:11:21,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21" (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 [2020-08-22 16:11:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:11:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:11:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 16:11:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 16:11:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 16:11:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 16:11:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 16:11:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 16:11:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 16:11:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 16:11:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 16:11:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 16:11:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 16:11:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:11:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 16:11:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 16:11:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 16:11:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 16:11:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 16:11:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 16:11:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 16:11:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 16:11:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 16:11:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 16:11:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 16:11:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 16:11:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 16:11:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 16:11:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 16:11:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 16:11:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 16:11:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 16:11:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 16:11:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-22 16:11:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-22 16:11:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-22 16:11:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 16:11:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 16:11:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 16:11:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 16:11:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 16:11:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:11:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:11:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 16:11:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 16:11:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 16:11:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 16:11:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 16:11:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 16:11:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 16:11:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 16:11:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 16:11:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 16:11:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 16:11:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 16:11:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 16:11:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 16:11:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 16:11:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 16:11:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 16:11:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 16:11:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 16:11:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 16:11:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 16:11:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 16:11:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 16:11:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 16:11:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 16:11:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-22 16:11:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 16:11:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 16:11:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 16:11:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 16:11:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 16:11:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:11:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 16:11:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 16:11:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 16:11:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 16:11:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 16:11:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 16:11:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 16:11:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 16:11:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-22 16:11:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-22 16:11:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 16:11:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 16:11:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 16:11:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 16:11:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 16:11:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 16:11:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 16:11:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 16:11:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:11:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 16:11:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:11:22,810 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:11:22,810 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 16:11:22,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:11:22 BoogieIcfgContainer [2020-08-22 16:11:22,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:11:22,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:11:22,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:11:22,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:11:22,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:11:20" (1/3) ... [2020-08-22 16:11:22,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159ed9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:11:22, skipping insertion in model container [2020-08-22 16:11:22,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:11:21" (2/3) ... [2020-08-22 16:11:22,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159ed9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:11:22, skipping insertion in model container [2020-08-22 16:11:22,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:11:22" (3/3) ... [2020-08-22 16:11:22,825 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-08-22 16:11:22,837 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:11:22,845 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:11:22,860 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:11:22,886 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:11:22,886 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:11:22,886 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:11:22,886 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:11:22,887 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:11:22,887 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:11:22,887 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:11:22,887 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:11:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-08-22 16:11:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-22 16:11:22,921 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:11:22,923 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:11:22,923 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:11:22,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:11:22,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1951083148, now seen corresponding path program 1 times [2020-08-22 16:11:22,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:11:22,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686234086] [2020-08-22 16:11:22,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:11:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,632 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:11:23,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:11:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:11:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:11:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:11:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:11:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:11:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 16:11:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:11:23,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686234086] [2020-08-22 16:11:23,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:11:23,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:11:23,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760015613] [2020-08-22 16:11:23,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:11:23,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:11:23,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:11:23,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:11:23,786 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 4 states. [2020-08-22 16:11:25,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:11:25,007 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2020-08-22 16:11:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 16:11:25,009 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-22 16:11:25,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:11:25,024 INFO L225 Difference]: With dead ends: 308 [2020-08-22 16:11:25,024 INFO L226 Difference]: Without dead ends: 170 [2020-08-22 16:11:25,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:11:25,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-08-22 16:11:25,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 139. [2020-08-22 16:11:25,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-08-22 16:11:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2020-08-22 16:11:25,160 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 161 transitions. Word has length 59 [2020-08-22 16:11:25,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:11:25,161 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 161 transitions. [2020-08-22 16:11:25,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:11:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 161 transitions. [2020-08-22 16:11:25,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-22 16:11:25,174 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:11:25,174 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:11:25,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:11:25,174 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:11:25,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:11:25,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1220523940, now seen corresponding path program 1 times [2020-08-22 16:11:25,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:11:25,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495755949] [2020-08-22 16:11:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:11:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,528 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:11:25,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:11:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:11:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:11:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:11:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 16:11:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-22 16:11:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 16:11:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:25,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:11:25,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495755949] [2020-08-22 16:11:25,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:11:25,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 16:11:25,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548219309] [2020-08-22 16:11:25,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:11:25,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:11:25,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:11:25,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:11:25,601 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. Second operand 5 states. [2020-08-22 16:11:26,100 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:26,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:11:26,999 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2020-08-22 16:11:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:11:27,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-22 16:11:27,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:11:27,003 INFO L225 Difference]: With dead ends: 244 [2020-08-22 16:11:27,003 INFO L226 Difference]: Without dead ends: 160 [2020-08-22 16:11:27,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:11:27,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-22 16:11:27,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 130. [2020-08-22 16:11:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-08-22 16:11:27,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2020-08-22 16:11:27,046 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 60 [2020-08-22 16:11:27,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:11:27,047 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2020-08-22 16:11:27,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:11:27,047 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2020-08-22 16:11:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-22 16:11:27,049 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:11:27,049 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:11:27,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:11:27,049 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:11:27,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:11:27,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1125066517, now seen corresponding path program 1 times [2020-08-22 16:11:27,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:11:27,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955934637] [2020-08-22 16:11:27,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:11:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,374 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:11:27,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:11:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:11:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:11:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:11:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:11:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 16:11:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 16:11:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:11:27,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955934637] [2020-08-22 16:11:27,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:11:27,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:11:27,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932910021] [2020-08-22 16:11:27,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:11:27,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:11:27,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:11:27,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:11:27,508 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 9 states. [2020-08-22 16:11:27,899 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:28,209 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:28,449 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:28,689 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:29,583 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:31,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:11:31,160 INFO L93 Difference]: Finished difference Result 435 states and 529 transitions. [2020-08-22 16:11:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:11:31,161 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-22 16:11:31,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:11:31,167 INFO L225 Difference]: With dead ends: 435 [2020-08-22 16:11:31,167 INFO L226 Difference]: Without dead ends: 333 [2020-08-22 16:11:31,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:11:31,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-08-22 16:11:31,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 268. [2020-08-22 16:11:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-08-22 16:11:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 318 transitions. [2020-08-22 16:11:31,245 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 318 transitions. Word has length 64 [2020-08-22 16:11:31,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:11:31,246 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 318 transitions. [2020-08-22 16:11:31,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:11:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 318 transitions. [2020-08-22 16:11:31,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-22 16:11:31,248 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:11:31,249 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:11:31,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:11:31,249 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:11:31,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:11:31,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1836372268, now seen corresponding path program 1 times [2020-08-22 16:11:31,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:11:31,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327345334] [2020-08-22 16:11:31,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:11:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,612 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:11:31,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:11:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:11:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:11:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:11:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:11:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:11:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 16:11:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-22 16:11:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:11:31,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327345334] [2020-08-22 16:11:31,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:11:31,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:11:31,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531059395] [2020-08-22 16:11:31,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:11:31,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:11:31,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:11:31,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:11:31,732 INFO L87 Difference]: Start difference. First operand 268 states and 318 transitions. Second operand 9 states. [2020-08-22 16:11:32,091 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:32,714 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:33,586 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:33,818 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:34,097 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:34,393 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:34,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:11:34,827 INFO L93 Difference]: Finished difference Result 679 states and 862 transitions. [2020-08-22 16:11:34,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 16:11:34,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-08-22 16:11:34,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:11:34,833 INFO L225 Difference]: With dead ends: 679 [2020-08-22 16:11:34,833 INFO L226 Difference]: Without dead ends: 439 [2020-08-22 16:11:34,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-08-22 16:11:34,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-08-22 16:11:34,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 379. [2020-08-22 16:11:34,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-08-22 16:11:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 451 transitions. [2020-08-22 16:11:34,914 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 451 transitions. Word has length 70 [2020-08-22 16:11:34,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:11:34,914 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 451 transitions. [2020-08-22 16:11:34,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:11:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 451 transitions. [2020-08-22 16:11:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-22 16:11:34,917 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:11:34,917 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:11:34,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 16:11:34,917 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:11:34,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:11:34,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1329110427, now seen corresponding path program 1 times [2020-08-22 16:11:34,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:11:34,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202253714] [2020-08-22 16:11:34,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:11:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,162 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:11:35,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:11:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:11:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:11:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:11:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:11:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 16:11:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:11:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:11:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 16:11:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-22 16:11:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:35,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:11:35,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202253714] [2020-08-22 16:11:35,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:11:35,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:11:35,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578970141] [2020-08-22 16:11:35,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:11:35,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:11:35,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:11:35,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:11:35,327 INFO L87 Difference]: Start difference. First operand 379 states and 451 transitions. Second operand 9 states. [2020-08-22 16:11:35,811 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:36,748 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:36,976 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 16:11:37,231 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:37,503 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:11:38,788 INFO L93 Difference]: Finished difference Result 1185 states and 1563 transitions. [2020-08-22 16:11:38,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 16:11:38,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-08-22 16:11:38,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:11:38,797 INFO L225 Difference]: With dead ends: 1185 [2020-08-22 16:11:38,798 INFO L226 Difference]: Without dead ends: 834 [2020-08-22 16:11:38,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-08-22 16:11:38,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-08-22 16:11:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 717. [2020-08-22 16:11:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-08-22 16:11:38,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 858 transitions. [2020-08-22 16:11:38,944 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 858 transitions. Word has length 102 [2020-08-22 16:11:38,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:11:38,944 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 858 transitions. [2020-08-22 16:11:38,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:11:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 858 transitions. [2020-08-22 16:11:38,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-22 16:11:38,948 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:11:38,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:11:38,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:11:38,948 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:11:38,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:11:38,949 INFO L82 PathProgramCache]: Analyzing trace with hash 359529404, now seen corresponding path program 1 times [2020-08-22 16:11:38,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:11:38,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851016335] [2020-08-22 16:11:38,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:11:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,177 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:11:39,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:11:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:11:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:11:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:11:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:11:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 16:11:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:11:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:11:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 16:11:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-22 16:11:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:11:39,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851016335] [2020-08-22 16:11:39,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:11:39,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:11:39,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716740956] [2020-08-22 16:11:39,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:11:39,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:11:39,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:11:39,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:11:39,374 INFO L87 Difference]: Start difference. First operand 717 states and 858 transitions. Second operand 9 states. [2020-08-22 16:11:40,403 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:40,648 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 16:11:40,899 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:41,148 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:41,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:11:41,884 INFO L93 Difference]: Finished difference Result 1536 states and 1964 transitions. [2020-08-22 16:11:41,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 16:11:41,885 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-08-22 16:11:41,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:11:41,893 INFO L225 Difference]: With dead ends: 1536 [2020-08-22 16:11:41,893 INFO L226 Difference]: Without dead ends: 847 [2020-08-22 16:11:41,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:11:41,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-08-22 16:11:42,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 737. [2020-08-22 16:11:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-08-22 16:11:42,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 878 transitions. [2020-08-22 16:11:42,082 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 878 transitions. Word has length 102 [2020-08-22 16:11:42,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:11:42,083 INFO L479 AbstractCegarLoop]: Abstraction has 737 states and 878 transitions. [2020-08-22 16:11:42,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:11:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 878 transitions. [2020-08-22 16:11:42,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-22 16:11:42,086 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:11:42,087 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:11:42,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 16:11:42,087 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:11:42,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:11:42,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1689858438, now seen corresponding path program 1 times [2020-08-22 16:11:42,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:11:42,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959658710] [2020-08-22 16:11:42,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:11:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,404 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:11:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:11:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:11:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:11:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:11:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:11:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 16:11:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:11:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:11:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 16:11:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-22 16:11:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:11:42,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959658710] [2020-08-22 16:11:42,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:11:42,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 16:11:42,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410515482] [2020-08-22 16:11:42,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:11:42,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:11:42,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:11:42,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:11:42,560 INFO L87 Difference]: Start difference. First operand 737 states and 878 transitions. Second operand 11 states. [2020-08-22 16:11:43,223 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:43,450 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:43,692 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:44,385 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:44,661 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:44,908 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:45,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:11:45,774 INFO L93 Difference]: Finished difference Result 1360 states and 1702 transitions. [2020-08-22 16:11:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:11:45,774 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-08-22 16:11:45,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:11:45,781 INFO L225 Difference]: With dead ends: 1360 [2020-08-22 16:11:45,781 INFO L226 Difference]: Without dead ends: 651 [2020-08-22 16:11:45,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-22 16:11:45,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-08-22 16:11:45,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 578. [2020-08-22 16:11:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-08-22 16:11:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 674 transitions. [2020-08-22 16:11:45,924 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 674 transitions. Word has length 102 [2020-08-22 16:11:45,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:11:45,925 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 674 transitions. [2020-08-22 16:11:45,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:11:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 674 transitions. [2020-08-22 16:11:45,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-08-22 16:11:45,928 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:11:45,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:11:45,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 16:11:45,929 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:11:45,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:11:45,929 INFO L82 PathProgramCache]: Analyzing trace with hash -764679949, now seen corresponding path program 1 times [2020-08-22 16:11:45,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:11:45,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909561473] [2020-08-22 16:11:45,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:11:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,272 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:11:46,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:11:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:11:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:11:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:11:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:11:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 16:11:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 16:11:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:11:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:11:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 16:11:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-22 16:11:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:11:46,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909561473] [2020-08-22 16:11:46,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:11:46,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 16:11:46,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885722167] [2020-08-22 16:11:46,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:11:46,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:11:46,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:11:46,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:11:46,462 INFO L87 Difference]: Start difference. First operand 578 states and 674 transitions. Second operand 12 states. [2020-08-22 16:11:47,068 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:47,668 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:48,298 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:48,646 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:48,887 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 16:11:49,166 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:49,423 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:11:50,815 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:51,096 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:51,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:11:51,689 INFO L93 Difference]: Finished difference Result 1691 states and 2129 transitions. [2020-08-22 16:11:51,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-08-22 16:11:51,690 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-08-22 16:11:51,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:11:51,700 INFO L225 Difference]: With dead ends: 1691 [2020-08-22 16:11:51,701 INFO L226 Difference]: Without dead ends: 1313 [2020-08-22 16:11:51,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-08-22 16:11:51,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2020-08-22 16:11:51,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1197. [2020-08-22 16:11:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-08-22 16:11:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1399 transitions. [2020-08-22 16:11:51,860 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1399 transitions. Word has length 106 [2020-08-22 16:11:51,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:11:51,861 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1399 transitions. [2020-08-22 16:11:51,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:11:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1399 transitions. [2020-08-22 16:11:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-22 16:11:51,864 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:11:51,865 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:11:51,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 16:11:51,865 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:11:51,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:11:51,865 INFO L82 PathProgramCache]: Analyzing trace with hash -60868023, now seen corresponding path program 1 times [2020-08-22 16:11:51,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:11:51,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085288719] [2020-08-22 16:11:51,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:11:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,217 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:11:52,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:11:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:11:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:11:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:11:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:11:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 16:11:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:11:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:11:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:11:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:11:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 16:11:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:11:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-22 16:11:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:11:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-22 16:11:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 16:11:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:11:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 16:11:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 16:11:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-22 16:11:52,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085288719] [2020-08-22 16:11:52,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490290612] [2020-08-22 16:11:52,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -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 [2020-08-22 16:11:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:11:52,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 8 conjunts are in the unsatisfiable core [2020-08-22 16:11:52,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:11:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:11:53,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:11:53,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-08-22 16:11:53,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918319328] [2020-08-22 16:11:53,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-22 16:11:53,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:11:53,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-22 16:11:53,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-08-22 16:11:53,040 INFO L87 Difference]: Start difference. First operand 1197 states and 1399 transitions. Second operand 20 states. [2020-08-22 16:11:53,782 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 16:11:54,117 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 16:11:54,382 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 16:11:54,634 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 16:11:55,222 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:55,520 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:55,891 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 16:11:56,179 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 16:11:57,270 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:11:57,962 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-08-22 16:11:58,465 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-08-22 16:11:58,819 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:11:59,574 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-08-22 16:12:00,353 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-08-22 16:12:00,616 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:12:00,882 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:12:01,163 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:12:01,729 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 16:12:02,483 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-08-22 16:12:03,035 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-08-22 16:12:03,313 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:12:03,582 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 16:12:03,841 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 16:12:03,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:12:03,990 INFO L93 Difference]: Finished difference Result 2269 states and 2751 transitions. [2020-08-22 16:12:03,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-08-22 16:12:03,991 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 149 [2020-08-22 16:12:03,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:12:03,999 INFO L225 Difference]: With dead ends: 2269 [2020-08-22 16:12:03,999 INFO L226 Difference]: Without dead ends: 1266 [2020-08-22 16:12:04,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=833, Invalid=3199, Unknown=0, NotChecked=0, Total=4032 [2020-08-22 16:12:04,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2020-08-22 16:12:04,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1127. [2020-08-22 16:12:04,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-08-22 16:12:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1301 transitions. [2020-08-22 16:12:04,252 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1301 transitions. Word has length 149 [2020-08-22 16:12:04,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:12:04,252 INFO L479 AbstractCegarLoop]: Abstraction has 1127 states and 1301 transitions. [2020-08-22 16:12:04,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-22 16:12:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1301 transitions. [2020-08-22 16:12:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-08-22 16:12:04,260 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:12:04,260 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:12:04,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-08-22 16:12:04,475 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:12:04,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:12:04,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1576976523, now seen corresponding path program 1 times [2020-08-22 16:12:04,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:12:04,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292925861] [2020-08-22 16:12:04,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:12:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,815 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:12:04,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:12:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:12:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:12:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:12:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:12:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:12:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 16:12:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:12:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:12:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:12:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:12:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 16:12:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:04,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-22 16:12:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:12:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 16:12:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:12:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:12:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-08-22 16:12:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:12:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 16:12:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:12:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:12:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-08-22 16:12:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-08-22 16:12:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:12:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-08-22 16:12:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:12:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-08-22 16:12:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:12:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:12:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:12:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:12:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-08-22 16:12:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-08-22 16:12:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2020-08-22 16:12:05,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292925861] [2020-08-22 16:12:05,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968878431] [2020-08-22 16:12:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -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 [2020-08-22 16:12:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:12:05,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 3 conjunts are in the unsatisfiable core [2020-08-22 16:12:05,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:12:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-08-22 16:12:05,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:12:05,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2020-08-22 16:12:05,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708265727] [2020-08-22 16:12:05,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:12:05,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:12:05,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:12:05,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-08-22 16:12:05,808 INFO L87 Difference]: Start difference. First operand 1127 states and 1301 transitions. Second operand 3 states. [2020-08-22 16:12:06,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:12:06,035 INFO L93 Difference]: Finished difference Result 1357 states and 1579 transitions. [2020-08-22 16:12:06,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:12:06,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2020-08-22 16:12:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:12:06,037 INFO L225 Difference]: With dead ends: 1357 [2020-08-22 16:12:06,037 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:12:06,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 401 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-08-22 16:12:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:12:06,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:12:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:12:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:12:06,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 302 [2020-08-22 16:12:06,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:12:06,042 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:12:06,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:12:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:12:06,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:12:06,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-08-22 16:12:06,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:12:07,012 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 236 [2020-08-22 16:12:07,759 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 255 [2020-08-22 16:12:09,517 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 232 [2020-08-22 16:12:09,812 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 238 [2020-08-22 16:12:10,391 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2020-08-22 16:12:10,577 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-08-22 16:12:11,200 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-08-22 16:12:11,378 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-08-22 16:12:11,539 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 16:12:12,077 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 32 [2020-08-22 16:12:12,208 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 16:12:12,367 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-08-22 16:12:12,519 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-08-22 16:12:13,083 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 33 [2020-08-22 16:12:13,237 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-08-22 16:12:13,432 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:12:13,595 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-22 16:12:13,849 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2020-08-22 16:12:14,014 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-22 16:12:14,181 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-08-22 16:12:15,183 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 40 [2020-08-22 16:12:15,346 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-08-22 16:12:15,954 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-08-22 16:12:16,950 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 33 [2020-08-22 16:12:17,121 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-08-22 16:12:17,510 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-08-22 16:12:18,459 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 32 [2020-08-22 16:12:19,524 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 191 DAG size of output: 31 [2020-08-22 16:12:19,703 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-08-22 16:12:20,035 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 14 [2020-08-22 16:12:20,589 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 28 [2020-08-22 16:12:20,766 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-22 16:12:20,948 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-22 16:12:21,113 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-08-22 16:12:21,316 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 20 [2020-08-22 16:12:21,494 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-08-22 16:12:21,673 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-22 16:12:22,274 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 33 [2020-08-22 16:12:22,443 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-08-22 16:12:22,886 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 33 [2020-08-22 16:12:23,419 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-08-22 16:12:23,917 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 18 [2020-08-22 16:12:24,076 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-08-22 16:12:24,392 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-08-22 16:12:24,581 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2020-08-22 16:12:25,770 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 180 DAG size of output: 33 [2020-08-22 16:12:26,147 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 32 [2020-08-22 16:12:26,323 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2020-08-22 16:12:26,520 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-08-22 16:12:26,524 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-22 16:12:26,524 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-22 16:12:26,525 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 16:12:26,525 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-22 16:12:26,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-22 16:12:26,525 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-22 16:12:26,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-22 16:12:26,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-22 16:12:26,526 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 16:12:26,526 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-22 16:12:26,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-22 16:12:26,526 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-22 16:12:26,526 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-22 16:12:26,527 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 16:12:26,527 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-22 16:12:26,527 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-22 16:12:26,527 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-22 16:12:26,527 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-22 16:12:26,527 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2020-08-22 16:12:26,527 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2020-08-22 16:12:26,528 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2020-08-22 16:12:26,528 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2020-08-22 16:12:26,528 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2020-08-22 16:12:26,528 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-22 16:12:26,528 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2020-08-22 16:12:26,528 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2020-08-22 16:12:26,529 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 (not (= 0 ~systemActive~0)) .cse1) (or .cse4 .cse1 .cse2 .cse3) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2))) [2020-08-22 16:12:26,529 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2020-08-22 16:12:26,529 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-08-22 16:12:26,529 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2020-08-22 16:12:26,529 INFO L268 CegarLoopResult]: For program point L898-1(line 898) no Hoare annotation was computed. [2020-08-22 16:12:26,529 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2020-08-22 16:12:26,529 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2020-08-22 16:12:26,530 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 (not (= 0 ~systemActive~0))) (or .cse3 .cse1 .cse2))) [2020-08-22 16:12:26,530 INFO L268 CegarLoopResult]: For program point L905(lines 905 911) no Hoare annotation was computed. [2020-08-22 16:12:26,530 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-08-22 16:12:26,530 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 (not (= 0 ~systemActive~0)) .cse1) (or .cse2 .cse0 .cse1))) [2020-08-22 16:12:26,530 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-08-22 16:12:26,530 INFO L268 CegarLoopResult]: For program point L900(lines 900 917) no Hoare annotation was computed. [2020-08-22 16:12:26,531 INFO L268 CegarLoopResult]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2020-08-22 16:12:26,531 INFO L271 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: true [2020-08-22 16:12:26,531 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 16:12:26,531 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-08-22 16:12:26,531 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 1) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:12:26,531 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 1) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:12:26,531 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-08-22 16:12:26,532 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-08-22 16:12:26,532 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 16:12:26,532 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 16:12:26,532 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 16:12:26,532 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 16:12:26,532 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-08-22 16:12:26,532 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-22 16:12:26,532 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-08-22 16:12:26,533 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-22 16:12:26,534 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-22 16:12:26,534 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-08-22 16:12:26,534 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-22 16:12:26,534 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-22 16:12:26,534 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-08-22 16:12:26,534 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2020-08-22 16:12:26,535 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse2 .cse1) (or .cse3 .cse2) (or (not (= ~waterLevel~0 1)) .cse3) (or (not (= |old(~systemActive~0)| 0)) .cse3))) [2020-08-22 16:12:26,535 INFO L268 CegarLoopResult]: For program point L765(lines 765 771) no Hoare annotation was computed. [2020-08-22 16:12:26,535 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (not (= ~waterLevel~0 1)) .cse2 .cse1) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse3) (or (not (= |old(~systemActive~0)| 0)) .cse2 .cse1))) [2020-08-22 16:12:26,535 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2020-08-22 16:12:26,535 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2020-08-22 16:12:26,535 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2020-08-22 16:12:26,535 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2020-08-22 16:12:26,536 INFO L268 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-08-22 16:12:26,536 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-08-22 16:12:26,536 INFO L268 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-08-22 16:12:26,536 INFO L268 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-08-22 16:12:26,536 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 706 741) no Hoare annotation was computed. [2020-08-22 16:12:26,536 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-08-22 16:12:26,536 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2020-08-22 16:12:26,536 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 706 741) no Hoare annotation was computed. [2020-08-22 16:12:26,537 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 706 741) no Hoare annotation was computed. [2020-08-22 16:12:26,537 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2020-08-22 16:12:26,537 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2020-08-22 16:12:26,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-22 16:12:26,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-22 16:12:26,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-22 16:12:26,537 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-22 16:12:26,537 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-22 16:12:26,538 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-22 16:12:26,538 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-22 16:12:26,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-22 16:12:26,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-22 16:12:26,538 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 16:12:26,538 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-08-22 16:12:26,538 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-08-22 16:12:26,538 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-08-22 16:12:26,539 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2020-08-22 16:12:26,539 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2020-08-22 16:12:26,539 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2020-08-22 16:12:26,539 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-08-22 16:12:26,539 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-08-22 16:12:26,539 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-08-22 16:12:26,539 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2020-08-22 16:12:26,540 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2020-08-22 16:12:26,540 INFO L268 CegarLoopResult]: For program point L861(lines 861 867) no Hoare annotation was computed. [2020-08-22 16:12:26,540 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2020-08-22 16:12:26,540 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2020-08-22 16:12:26,540 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2020-08-22 16:12:26,540 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~5))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-08-22 16:12:26,540 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0))) [2020-08-22 16:12:26,541 INFO L268 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2020-08-22 16:12:26,541 INFO L264 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-08-22 16:12:26,541 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-08-22 16:12:26,541 INFO L268 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2020-08-22 16:12:26,541 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2020-08-22 16:12:26,541 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1))) [2020-08-22 16:12:26,541 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2020-08-22 16:12:26,542 INFO L268 CegarLoopResult]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2020-08-22 16:12:26,542 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2020-08-22 16:12:26,542 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2020-08-22 16:12:26,542 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse1 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3))) [2020-08-22 16:12:26,542 INFO L264 CegarLoopResult]: At program point testENTRY(lines 513 578) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:12:26,542 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-08-22 16:12:26,542 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2020-08-22 16:12:26,543 INFO L264 CegarLoopResult]: At program point L568(lines 523 570) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3))) [2020-08-22 16:12:26,543 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3))) [2020-08-22 16:12:26,543 INFO L268 CegarLoopResult]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2020-08-22 16:12:26,543 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-08-22 16:12:26,543 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2020-08-22 16:12:26,543 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-08-22 16:12:26,543 INFO L264 CegarLoopResult]: At program point L571(lines 522 572) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 16:12:26,544 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse2) (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and .cse3 (not (= ~switchedOnBeforeTS~0 0)) .cse2) (and (= 0 ~systemActive~0) .cse1 .cse2))) [2020-08-22 16:12:26,544 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-08-22 16:12:26,544 INFO L264 CegarLoopResult]: At program point L559-1(lines 553 566) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse1 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-08-22 16:12:26,544 INFO L268 CegarLoopResult]: For program point L524(lines 523 570) no Hoare annotation was computed. [2020-08-22 16:12:26,544 INFO L268 CegarLoopResult]: For program point L553(lines 553 566) no Hoare annotation was computed. [2020-08-22 16:12:26,544 INFO L268 CegarLoopResult]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2020-08-22 16:12:26,544 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-22 16:12:26,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-22 16:12:26,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-22 16:12:26,545 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-22 16:12:26,545 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-22 16:12:26,545 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-22 16:12:26,545 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-22 16:12:26,545 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2020-08-22 16:12:26,545 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2020-08-22 16:12:26,545 INFO L268 CegarLoopResult]: For program point L833(lines 833 841) no Hoare annotation was computed. [2020-08-22 16:12:26,545 INFO L268 CegarLoopResult]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2020-08-22 16:12:26,546 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 825 847) no Hoare annotation was computed. [2020-08-22 16:12:26,546 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 825 847) no Hoare annotation was computed. [2020-08-22 16:12:26,546 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 825 847) no Hoare annotation was computed. [2020-08-22 16:12:26,546 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-22 16:12:26,546 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-22 16:12:26,546 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-22 16:12:26,546 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-22 16:12:26,546 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-22 16:12:26,546 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-22 16:12:26,547 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-22 16:12:26,548 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 923 932) no Hoare annotation was computed. [2020-08-22 16:12:26,548 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 923 932) no Hoare annotation was computed. [2020-08-22 16:12:26,548 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 923 932) no Hoare annotation was computed. [2020-08-22 16:12:26,548 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:12:26,548 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 16:12:26,549 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:12:26,549 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-22 16:12:26,549 INFO L268 CegarLoopResult]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2020-08-22 16:12:26,549 INFO L268 CegarLoopResult]: For program point L668(lines 668 674) no Hoare annotation was computed. [2020-08-22 16:12:26,549 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2020-08-22 16:12:26,549 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-22 16:12:26,549 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-08-22 16:12:26,549 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 661 677) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-22 16:12:26,550 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2020-08-22 16:12:26,550 INFO L268 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2020-08-22 16:12:26,550 INFO L271 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: true [2020-08-22 16:12:26,550 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2020-08-22 16:12:26,550 INFO L268 CegarLoopResult]: For program point L749-1(line 749) no Hoare annotation was computed. [2020-08-22 16:12:26,550 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2020-08-22 16:12:26,550 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2020-08-22 16:12:26,550 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2020-08-22 16:12:26,550 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2020-08-22 16:12:26,551 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2020-08-22 16:12:26,551 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:12:26,551 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 16:12:26,551 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:12:26,551 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse3 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse2))) [2020-08-22 16:12:26,551 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-08-22 16:12:26,551 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2020-08-22 16:12:26,551 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 .cse3 .cse4) (or (and (= 2 ~waterLevel~0) .cse5) .cse3 .cse4 .cse6) (or (not (= 0 ~systemActive~0)) .cse6) (or (and .cse0 .cse1) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse2 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse5)))) [2020-08-22 16:12:26,552 INFO L264 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or (and (= ~waterLevel~0 1) .cse5 .cse6) .cse7 .cse2 .cse3) (or (and .cse5 .cse6) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse7 .cse3) (or (not (= 0 ~systemActive~0)) .cse4 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse8)))) [2020-08-22 16:12:26,552 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) .cse3) (or .cse4 .cse3 .cse5) (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse4 .cse3) (or (not (= 0 ~systemActive~0)) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse5))) [2020-08-22 16:12:26,552 INFO L268 CegarLoopResult]: For program point L599(lines 595 617) no Hoare annotation was computed. [2020-08-22 16:12:26,552 INFO L268 CegarLoopResult]: For program point L597(lines 595 617) no Hoare annotation was computed. [2020-08-22 16:12:26,552 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and (= 2 ~waterLevel~0) .cse6 .cse7)) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse6 .cse7)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse5 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 .cse5 .cse2)))) [2020-08-22 16:12:26,553 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2020-08-22 16:12:26,553 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2020-08-22 16:12:26,553 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-08-22 16:12:26,553 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-08-22 16:12:26,553 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-08-22 16:12:26,553 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-08-22 16:12:26,553 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-08-22 16:12:26,553 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-08-22 16:12:26,553 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-08-22 16:12:26,554 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-08-22 16:12:26,554 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-08-22 16:12:26,554 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-22 16:12:26,554 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2020-08-22 16:12:26,554 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2020-08-22 16:12:26,554 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2020-08-22 16:12:26,554 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-08-22 16:12:26,554 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-08-22 16:12:26,554 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-08-22 16:12:26,555 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-08-22 16:12:26,555 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-08-22 16:12:26,555 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:12:26,555 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-22 16:12:26,555 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:12:26,555 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:12:26,555 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2020-08-22 16:12:26,555 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-08-22 16:12:26,556 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse5 .cse2 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse4))) [2020-08-22 16:12:26,556 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2020-08-22 16:12:26,556 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2020-08-22 16:12:26,556 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2020-08-22 16:12:26,556 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2020-08-22 16:12:26,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:12:26 BoogieIcfgContainer [2020-08-22 16:12:26,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:12:26,578 INFO L168 Benchmark]: Toolchain (without parser) took 65723.79 ms. Allocated memory was 136.3 MB in the beginning and 987.2 MB in the end (delta: 850.9 MB). Free memory was 99.0 MB in the beginning and 630.5 MB in the end (delta: -531.6 MB). Peak memory consumption was 884.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:12:26,578 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 16:12:26,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.83 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 98.8 MB in the beginning and 164.7 MB in the end (delta: -65.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:12:26,580 INFO L168 Benchmark]: Boogie Preprocessor took 99.57 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 160.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:12:26,580 INFO L168 Benchmark]: RCFGBuilder took 1098.13 ms. Allocated memory was 199.2 MB in the beginning and 227.0 MB in the end (delta: 27.8 MB). Free memory was 160.4 MB in the beginning and 189.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:12:26,581 INFO L168 Benchmark]: TraceAbstraction took 63758.74 ms. Allocated memory was 227.0 MB in the beginning and 987.2 MB in the end (delta: 760.2 MB). Free memory was 187.6 MB in the beginning and 630.5 MB in the end (delta: -443.0 MB). Peak memory consumption was 882.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:12:26,584 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 761.83 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 98.8 MB in the beginning and 164.7 MB in the end (delta: -65.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.57 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 160.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1098.13 ms. Allocated memory was 199.2 MB in the beginning and 227.0 MB in the end (delta: 27.8 MB). Free memory was 160.4 MB in the beginning and 189.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63758.74 ms. Allocated memory was 227.0 MB in the beginning and 987.2 MB in the end (delta: 760.2 MB). Free memory was 187.6 MB in the beginning and 630.5 MB in the end (delta: -443.0 MB). Peak memory consumption was 882.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && pumpRunning <= switchedOnBeforeTS)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.3s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 35.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1432 SDtfs, 3365 SDslu, 2343 SDs, 0 SdLazy, 7958 SolverSat, 2354 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1048 GetRequests, 850 SyntacticMatches, 4 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1636 ImplicationChecksByTransitivity, 19.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1197occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 741 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1833 PreInvPairs, 1907 NumberOfFragments, 2078 HoareAnnotationTreeSize, 1833 FomulaSimplifications, 10900145 FormulaSimplificationTreeSizeReduction, 4.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 91242 FormulaSimplificationTreeSizeReductionInter, 16.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1567 NumberOfCodeBlocks, 1567 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1555 ConstructedInterpolants, 0 QuantifiedInterpolants, 652488 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2211 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 791/858 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...