/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:37:14,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:37:14,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:37:14,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:37:14,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:37:14,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:37:14,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:37:14,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:37:14,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:37:14,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:37:14,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:37:14,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:37:14,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:37:15,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:37:15,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:37:15,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:37:15,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:37:15,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:37:15,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:37:15,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:37:15,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:37:15,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:37:15,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:37:15,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:37:15,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:37:15,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:37:15,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:37:15,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:37:15,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:37:15,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:37:15,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:37:15,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:37:15,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:37:15,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:37:15,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:37:15,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:37:15,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:37:15,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:37:15,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:37:15,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:37:15,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:37:15,079 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 [2020-11-06 21:37:15,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:37:15,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:37:15,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:37:15,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:37:15,130 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:37:15,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:37:15,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:37:15,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:37:15,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:37:15,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:37:15,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:37:15,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:37:15,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:37:15,133 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:37:15,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:37:15,133 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:37:15,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:37:15,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:37:15,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:37:15,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:37:15,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:37:15,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:37:15,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:37:15,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:37:15,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:37:15,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:37:15,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:37:15,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:37:15,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:37:15,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:37:15,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:37:15,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:37:15,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:37:15,554 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:37:15,555 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:37:15,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-11-06 21:37:15,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbbdc1f6d/613851a5206547959c6a7e7bedb9913d/FLAG00b364701 [2020-11-06 21:37:16,396 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:37:16,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-11-06 21:37:16,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbbdc1f6d/613851a5206547959c6a7e7bedb9913d/FLAG00b364701 [2020-11-06 21:37:16,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbbdc1f6d/613851a5206547959c6a7e7bedb9913d [2020-11-06 21:37:16,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:37:16,679 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:37:16,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:37:16,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:37:16,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:37:16,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:37:16" (1/1) ... [2020-11-06 21:37:16,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602a3d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:16, skipping insertion in model container [2020-11-06 21:37:16,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:37:16" (1/1) ... [2020-11-06 21:37:16,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:37:16,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:37:17,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:37:17,172 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:37:17,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:37:17,425 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:37:17,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17 WrapperNode [2020-11-06 21:37:17,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:37:17,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:37:17,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:37:17,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:37:17,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17" (1/1) ... [2020-11-06 21:37:17,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17" (1/1) ... [2020-11-06 21:37:17,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17" (1/1) ... [2020-11-06 21:37:17,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17" (1/1) ... [2020-11-06 21:37:17,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17" (1/1) ... [2020-11-06 21:37:17,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17" (1/1) ... [2020-11-06 21:37:17,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17" (1/1) ... [2020-11-06 21:37:17,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:37:17,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:37:17,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:37:17,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:37:17,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:37:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:37:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:37:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:37:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:37:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:37:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:37:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:37:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:37:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:37:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:37:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-11-06 21:37:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-11-06 21:37:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:37:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:37:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:37:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:37:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:37:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:37:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-06 21:37:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:37:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:37:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:37:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:37:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:37:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:37:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:37:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:37:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:37:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:37:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:37:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 21:37:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:37:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-06 21:37:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:37:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:37:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:37:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:37:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:37:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-06 21:37:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-06 21:37:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:37:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:37:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:37:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:37:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:37:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-11-06 21:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-11-06 21:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:37:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-06 21:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:37:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:37:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:37:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:37:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:37:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-06 21:37:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:37:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:37:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:37:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:37:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 21:37:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-06 21:37:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-06 21:37:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:37:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:37:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:37:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:37:19,137 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:37:19,137 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:37:19,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:37:19 BoogieIcfgContainer [2020-11-06 21:37:19,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:37:19,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:37:19,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:37:19,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:37:19,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:37:16" (1/3) ... [2020-11-06 21:37:19,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fedbb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:37:19, skipping insertion in model container [2020-11-06 21:37:19,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:17" (2/3) ... [2020-11-06 21:37:19,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fedbb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:37:19, skipping insertion in model container [2020-11-06 21:37:19,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:37:19" (3/3) ... [2020-11-06 21:37:19,150 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2020-11-06 21:37:19,166 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:37:19,171 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:37:19,185 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:37:19,217 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:37:19,217 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:37:19,217 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:37:19,218 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:37:19,218 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:37:19,218 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:37:19,218 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:37:19,218 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:37:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-11-06 21:37:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-06 21:37:19,254 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:19,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:37:19,255 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:19,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:19,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1238370360, now seen corresponding path program 1 times [2020-11-06 21:37:19,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:19,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291578060] [2020-11-06 21:37:19,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:20,342 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:20,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:20,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:20,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:20,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:20,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:20,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:20,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-06 21:37:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:20,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:37:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:20,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291578060] [2020-11-06 21:37:20,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:20,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:37:20,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538972399] [2020-11-06 21:37:20,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:37:20,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:20,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:37:20,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:37:20,460 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-11-06 21:37:22,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:22,429 INFO L93 Difference]: Finished difference Result 266 states and 351 transitions. [2020-11-06 21:37:22,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 21:37:22,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-11-06 21:37:22,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:22,447 INFO L225 Difference]: With dead ends: 266 [2020-11-06 21:37:22,447 INFO L226 Difference]: Without dead ends: 148 [2020-11-06 21:37:22,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:37:22,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-11-06 21:37:22,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2020-11-06 21:37:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-06 21:37:22,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2020-11-06 21:37:22,545 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 52 [2020-11-06 21:37:22,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:22,546 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2020-11-06 21:37:22,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:37:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2020-11-06 21:37:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-06 21:37:22,550 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:22,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:37:22,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:37:22,551 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:22,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:22,552 INFO L82 PathProgramCache]: Analyzing trace with hash -488235856, now seen corresponding path program 1 times [2020-11-06 21:37:22,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:22,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795795434] [2020-11-06 21:37:22,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:23,341 WARN L194 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:23,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:23,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:23,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:23,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:23,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:23,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:23,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:37:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:23,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:37:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:23,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795795434] [2020-11-06 21:37:23,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:23,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 21:37:23,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755714325] [2020-11-06 21:37:23,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 21:37:23,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:23,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 21:37:23,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:37:23,420 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 5 states. [2020-11-06 21:37:24,559 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:37:26,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:26,078 INFO L93 Difference]: Finished difference Result 202 states and 250 transitions. [2020-11-06 21:37:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 21:37:26,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-11-06 21:37:26,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:26,083 INFO L225 Difference]: With dead ends: 202 [2020-11-06 21:37:26,083 INFO L226 Difference]: Without dead ends: 138 [2020-11-06 21:37:26,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:37:26,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-11-06 21:37:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 107. [2020-11-06 21:37:26,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-06 21:37:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2020-11-06 21:37:26,128 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 53 [2020-11-06 21:37:26,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:26,128 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2020-11-06 21:37:26,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 21:37:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2020-11-06 21:37:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-06 21:37:26,131 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:26,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:37:26,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:37:26,132 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:26,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:26,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1869000401, now seen corresponding path program 1 times [2020-11-06 21:37:26,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:26,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738782569] [2020-11-06 21:37:26,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:26,978 WARN L194 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:26,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:27,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:27,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:27,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:27,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:27,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:37:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:27,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:37:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:27,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738782569] [2020-11-06 21:37:27,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:27,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:37:27,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085999416] [2020-11-06 21:37:27,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:37:27,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:27,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:37:27,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:37:27,107 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 9 states. [2020-11-06 21:37:27,962 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:37:28,756 WARN L194 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:29,510 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:30,251 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:31,980 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:37:35,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:35,002 INFO L93 Difference]: Finished difference Result 366 states and 463 transitions. [2020-11-06 21:37:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 21:37:35,003 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-11-06 21:37:35,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:35,008 INFO L225 Difference]: With dead ends: 366 [2020-11-06 21:37:35,009 INFO L226 Difference]: Without dead ends: 287 [2020-11-06 21:37:35,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-11-06 21:37:35,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-11-06 21:37:35,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 228. [2020-11-06 21:37:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-11-06 21:37:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2020-11-06 21:37:35,101 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 57 [2020-11-06 21:37:35,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:35,101 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2020-11-06 21:37:35,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:37:35,101 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2020-11-06 21:37:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-06 21:37:35,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:35,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:37:35,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:37:35,105 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:35,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:35,106 INFO L82 PathProgramCache]: Analyzing trace with hash -108461161, now seen corresponding path program 1 times [2020-11-06 21:37:35,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:35,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996219654] [2020-11-06 21:37:35,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,838 WARN L194 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:35,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:37:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:37:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-06 21:37:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:35,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996219654] [2020-11-06 21:37:35,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:35,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:37:35,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038218970] [2020-11-06 21:37:35,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:37:35,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:35,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:37:35,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:37:35,973 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 9 states. [2020-11-06 21:37:36,868 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:37:39,144 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:39,939 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:40,672 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:41,441 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:37:43,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:43,473 INFO L93 Difference]: Finished difference Result 725 states and 969 transitions. [2020-11-06 21:37:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-06 21:37:43,474 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-11-06 21:37:43,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:43,486 INFO L225 Difference]: With dead ends: 725 [2020-11-06 21:37:43,486 INFO L226 Difference]: Without dead ends: 525 [2020-11-06 21:37:43,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-11-06 21:37:43,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-11-06 21:37:43,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 403. [2020-11-06 21:37:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-11-06 21:37:43,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 493 transitions. [2020-11-06 21:37:43,664 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 493 transitions. Word has length 63 [2020-11-06 21:37:43,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:43,664 INFO L481 AbstractCegarLoop]: Abstraction has 403 states and 493 transitions. [2020-11-06 21:37:43,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:37:43,664 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 493 transitions. [2020-11-06 21:37:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-06 21:37:43,668 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:43,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:37:43,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:37:43,669 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:37:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:43,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1289130245, now seen corresponding path program 1 times [2020-11-06 21:37:43,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:43,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334308725] [2020-11-06 21:37:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,347 WARN L194 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:44,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:37:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:37:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-06 21:37:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-06 21:37:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:44,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334308725] [2020-11-06 21:37:44,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:44,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-06 21:37:44,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979960274] [2020-11-06 21:37:44,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 21:37:44,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:44,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 21:37:44,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-06 21:37:44,511 INFO L87 Difference]: Start difference. First operand 403 states and 493 transitions. Second operand 10 states. [2020-11-06 21:37:45,544 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:37:47,707 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:48,507 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:49,255 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:49,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:49,860 INFO L93 Difference]: Finished difference Result 748 states and 993 transitions. [2020-11-06 21:37:49,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 21:37:49,860 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 67 [2020-11-06 21:37:49,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:49,861 INFO L225 Difference]: With dead ends: 748 [2020-11-06 21:37:49,861 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 21:37:49,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-11-06 21:37:49,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 21:37:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 21:37:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 21:37:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 21:37:49,866 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-11-06 21:37:49,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:49,866 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 21:37:49,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 21:37:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 21:37:49,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 21:37:49,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:37:49,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 21:37:50,398 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 6 [2020-11-06 21:37:55,338 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 159 DAG size of output: 9 [2020-11-06 21:37:55,930 WARN L194 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:37:56,501 WARN L194 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-11-06 21:37:57,265 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:37:57,917 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:59,060 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 165 DAG size of output: 14 [2020-11-06 21:38:00,241 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 163 DAG size of output: 17 [2020-11-06 21:38:00,787 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-11-06 21:38:01,917 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 163 DAG size of output: 8 [2020-11-06 21:38:03,122 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 162 DAG size of output: 8 [2020-11-06 21:38:03,714 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:04,856 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 159 DAG size of output: 9 [2020-11-06 21:38:05,469 WARN L194 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:06,632 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 159 DAG size of output: 13 [2020-11-06 21:38:07,316 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:07,900 WARN L194 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-11-06 21:38:08,493 WARN L194 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-11-06 21:38:09,572 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 162 DAG size of output: 8 [2020-11-06 21:38:10,131 WARN L194 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-11-06 21:38:11,266 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 165 DAG size of output: 14 [2020-11-06 21:38:11,895 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2020-11-06 21:38:12,526 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2020-11-06 21:38:13,741 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 164 DAG size of output: 11 [2020-11-06 21:38:14,808 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 162 DAG size of output: 8 [2020-11-06 21:38:14,812 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 21:38:14,813 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 21:38:14,813 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 21:38:14,813 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 21:38:14,813 INFO L266 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-11-06 21:38:14,813 INFO L266 CegarLoopResult]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2020-11-06 21:38:14,813 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 21:38:14,813 INFO L266 CegarLoopResult]: For program point L119-2(lines 119 140) no Hoare annotation was computed. [2020-11-06 21:38:14,814 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 94 149) no Hoare annotation was computed. [2020-11-06 21:38:14,814 INFO L266 CegarLoopResult]: For program point L141(lines 118 142) no Hoare annotation was computed. [2020-11-06 21:38:14,814 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 94 149) no Hoare annotation was computed. [2020-11-06 21:38:14,815 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 94 149) no Hoare annotation was computed. [2020-11-06 21:38:14,815 INFO L266 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-11-06 21:38:14,815 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 150 209) no Hoare annotation was computed. [2020-11-06 21:38:14,815 INFO L266 CegarLoopResult]: For program point L182-1(lines 182 186) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 150 209) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L266 CegarLoopResult]: For program point L176-2(lines 176 201) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L266 CegarLoopResult]: For program point L202(lines 175 203) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 150 209) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L266 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L266 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L269 CegarLoopResult]: At program point select_helpersFINAL(lines 734 740) the Hoare annotation is: true [2020-11-06 21:38:14,816 INFO L266 CegarLoopResult]: For program point select_helpersEXIT(lines 734 740) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L266 CegarLoopResult]: For program point valid_productEXIT(lines 741 749) no Hoare annotation was computed. [2020-11-06 21:38:14,816 INFO L269 CegarLoopResult]: At program point valid_productENTRY(lines 741 749) the Hoare annotation is: true [2020-11-06 21:38:14,817 INFO L266 CegarLoopResult]: For program point valid_productFINAL(lines 741 749) no Hoare annotation was computed. [2020-11-06 21:38:14,817 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 624 646) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,817 INFO L262 CegarLoopResult]: At program point L636(line 636) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,817 INFO L262 CegarLoopResult]: At program point L636-1(line 636) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,817 INFO L266 CegarLoopResult]: For program point L634(lines 634 641) no Hoare annotation was computed. [2020-11-06 21:38:14,818 INFO L266 CegarLoopResult]: For program point L634-1(lines 634 641) no Hoare annotation was computed. [2020-11-06 21:38:14,818 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 624 646) no Hoare annotation was computed. [2020-11-06 21:38:14,818 INFO L266 CegarLoopResult]: For program point L632(line 632) no Hoare annotation was computed. [2020-11-06 21:38:14,818 INFO L262 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,818 INFO L262 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,818 INFO L262 CegarLoopResult]: At program point L630-1(line 630) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 624 646) no Hoare annotation was computed. [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point Specification2EXIT(lines 578 601) no Hoare annotation was computed. [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point Specification2ENTRY(lines 578 601) no Hoare annotation was computed. [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point Specification2FINAL(lines 578 601) no Hoare annotation was computed. [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-11-06 21:38:14,819 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 21:38:14,820 INFO L266 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-06 21:38:14,820 INFO L266 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-11-06 21:38:14,820 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 21:38:14,820 INFO L266 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-06 21:38:14,820 INFO L266 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-11-06 21:38:14,820 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 21:38:14,820 INFO L266 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-06 21:38:14,820 INFO L266 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-11-06 21:38:14,820 INFO L266 CegarLoopResult]: For program point stopSystemEXIT(lines 922 936) no Hoare annotation was computed. [2020-11-06 21:38:14,821 INFO L262 CegarLoopResult]: At program point L928(line 928) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-11-06 21:38:14,821 INFO L266 CegarLoopResult]: For program point L926(lines 926 932) no Hoare annotation was computed. [2020-11-06 21:38:14,821 INFO L262 CegarLoopResult]: At program point stopSystemENTRY(lines 922 936) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-11-06 21:38:14,821 INFO L266 CegarLoopResult]: For program point stopSystemFINAL(lines 922 936) no Hoare annotation was computed. [2020-11-06 21:38:14,821 INFO L266 CegarLoopResult]: For program point isPumpRunningEXIT(lines 858 866) no Hoare annotation was computed. [2020-11-06 21:38:14,821 INFO L269 CegarLoopResult]: At program point isPumpRunningENTRY(lines 858 866) the Hoare annotation is: true [2020-11-06 21:38:14,821 INFO L266 CegarLoopResult]: For program point isPumpRunningFINAL(lines 858 866) no Hoare annotation was computed. [2020-11-06 21:38:14,821 INFO L266 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-11-06 21:38:14,821 INFO L269 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-11-06 21:38:14,822 INFO L266 CegarLoopResult]: For program point L912-2(lines 912 916) no Hoare annotation was computed. [2020-11-06 21:38:14,822 INFO L266 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-11-06 21:38:14,822 INFO L269 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 903 921) the Hoare annotation is: true [2020-11-06 21:38:14,822 INFO L266 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 903 921) no Hoare annotation was computed. [2020-11-06 21:38:14,822 INFO L266 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 903 921) no Hoare annotation was computed. [2020-11-06 21:38:14,822 INFO L266 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-11-06 21:38:14,822 INFO L266 CegarLoopResult]: For program point L897-1(line 897) no Hoare annotation was computed. [2020-11-06 21:38:14,822 INFO L266 CegarLoopResult]: For program point L886(lines 886 894) no Hoare annotation was computed. [2020-11-06 21:38:14,822 INFO L266 CegarLoopResult]: For program point L886-2(lines 886 894) no Hoare annotation was computed. [2020-11-06 21:38:14,823 INFO L266 CegarLoopResult]: For program point printPumpFINAL(lines 867 902) no Hoare annotation was computed. [2020-11-06 21:38:14,823 INFO L266 CegarLoopResult]: For program point L874(lines 874 882) no Hoare annotation was computed. [2020-11-06 21:38:14,823 INFO L266 CegarLoopResult]: For program point L874-2(lines 874 882) no Hoare annotation was computed. [2020-11-06 21:38:14,823 INFO L266 CegarLoopResult]: For program point printPumpENTRY(lines 867 902) no Hoare annotation was computed. [2020-11-06 21:38:14,823 INFO L266 CegarLoopResult]: For program point printPumpEXIT(lines 867 902) no Hoare annotation was computed. [2020-11-06 21:38:14,823 INFO L266 CegarLoopResult]: For program point select_featuresEXIT(lines 727 733) no Hoare annotation was computed. [2020-11-06 21:38:14,823 INFO L269 CegarLoopResult]: At program point select_featuresFINAL(lines 727 733) the Hoare annotation is: true [2020-11-06 21:38:14,823 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 48 93) no Hoare annotation was computed. [2020-11-06 21:38:14,823 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 48 93) no Hoare annotation was computed. [2020-11-06 21:38:14,824 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 48 93) no Hoare annotation was computed. [2020-11-06 21:38:14,824 INFO L266 CegarLoopResult]: For program point L385(lines 385 386) no Hoare annotation was computed. [2020-11-06 21:38:14,824 INFO L266 CegarLoopResult]: For program point L381(lines 381 388) no Hoare annotation was computed. [2020-11-06 21:38:14,824 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 361 406) no Hoare annotation was computed. [2020-11-06 21:38:14,824 INFO L266 CegarLoopResult]: For program point L375(lines 375 395) no Hoare annotation was computed. [2020-11-06 21:38:14,824 INFO L266 CegarLoopResult]: For program point L375-1(lines 375 395) no Hoare annotation was computed. [2020-11-06 21:38:14,824 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 385 386) no Hoare annotation was computed. [2020-11-06 21:38:14,825 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 392 393) no Hoare annotation was computed. [2020-11-06 21:38:14,825 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 361 406) no Hoare annotation was computed. [2020-11-06 21:38:14,825 INFO L266 CegarLoopResult]: For program point L392(lines 392 393) no Hoare annotation was computed. [2020-11-06 21:38:14,825 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 361 406) no Hoare annotation was computed. [2020-11-06 21:38:14,825 INFO L262 CegarLoopResult]: At program point runTestENTRY(lines 610 620) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,825 INFO L266 CegarLoopResult]: For program point runTestEXIT(lines 610 620) no Hoare annotation was computed. [2020-11-06 21:38:14,825 INFO L262 CegarLoopResult]: At program point L615(line 615) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,825 INFO L266 CegarLoopResult]: For program point runTestFINAL(lines 610 620) no Hoare annotation was computed. [2020-11-06 21:38:14,826 INFO L266 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 847 857) no Hoare annotation was computed. [2020-11-06 21:38:14,826 INFO L266 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 847 857) no Hoare annotation was computed. [2020-11-06 21:38:14,826 INFO L266 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 847 857) no Hoare annotation was computed. [2020-11-06 21:38:14,826 INFO L266 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-11-06 21:38:14,826 INFO L266 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-11-06 21:38:14,826 INFO L269 CegarLoopResult]: At program point deactivatePumpENTRY(lines 839 846) the Hoare annotation is: true [2020-11-06 21:38:14,826 INFO L266 CegarLoopResult]: For program point deactivatePumpEXIT(lines 839 846) no Hoare annotation was computed. [2020-11-06 21:38:14,826 INFO L266 CegarLoopResult]: For program point deactivatePumpFINAL(lines 839 846) no Hoare annotation was computed. [2020-11-06 21:38:14,826 INFO L262 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,827 INFO L266 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-11-06 21:38:14,827 INFO L262 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,827 INFO L266 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-11-06 21:38:14,827 INFO L266 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-11-06 21:38:14,827 INFO L266 CegarLoopResult]: For program point processEnvironmentEXIT(lines 788 812) no Hoare annotation was computed. [2020-11-06 21:38:14,827 INFO L262 CegarLoopResult]: At program point processEnvironmentENTRY(lines 788 812) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,827 INFO L262 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,827 INFO L266 CegarLoopResult]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2020-11-06 21:38:14,828 INFO L262 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,828 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2020-11-06 21:38:14,828 INFO L269 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2020-11-06 21:38:14,828 INFO L262 CegarLoopResult]: At program point L704(lines 659 706) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,828 INFO L262 CegarLoopResult]: At program point testENTRY(lines 649 714) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,828 INFO L262 CegarLoopResult]: At program point L671(line 671) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,828 INFO L266 CegarLoopResult]: For program point L669(lines 669 675) no Hoare annotation was computed. [2020-11-06 21:38:14,829 INFO L266 CegarLoopResult]: For program point L669-1(lines 669 675) no Hoare annotation was computed. [2020-11-06 21:38:14,829 INFO L266 CegarLoopResult]: For program point testFINAL(lines 649 714) no Hoare annotation was computed. [2020-11-06 21:38:14,829 INFO L266 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-11-06 21:38:14,829 INFO L262 CegarLoopResult]: At program point L707(lines 658 708) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-11-06 21:38:14,829 INFO L262 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,829 INFO L266 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-11-06 21:38:14,829 INFO L262 CegarLoopResult]: At program point L695-1(lines 689 702) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,829 INFO L266 CegarLoopResult]: For program point L660(lines 659 706) no Hoare annotation was computed. [2020-11-06 21:38:14,829 INFO L266 CegarLoopResult]: For program point L689(lines 689 702) no Hoare annotation was computed. [2020-11-06 21:38:14,829 INFO L262 CegarLoopResult]: At program point L681(line 681) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point L679(lines 679 685) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point L679-1(lines 679 685) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point testEXIT(lines 649 714) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 339 340) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 346 347) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point L346(lines 346 347) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 315 360) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 315 360) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point L339(lines 339 340) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 315 360) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point L335(lines 335 342) no Hoare annotation was computed. [2020-11-06 21:38:14,830 INFO L266 CegarLoopResult]: For program point L329(lines 329 349) no Hoare annotation was computed. [2020-11-06 21:38:14,831 INFO L266 CegarLoopResult]: For program point L329-1(lines 329 349) no Hoare annotation was computed. [2020-11-06 21:38:14,831 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 813 820) no Hoare annotation was computed. [2020-11-06 21:38:14,831 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 813 820) no Hoare annotation was computed. [2020-11-06 21:38:14,831 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 813 820) no Hoare annotation was computed. [2020-11-06 21:38:14,831 INFO L266 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 535 543) no Hoare annotation was computed. [2020-11-06 21:38:14,831 INFO L269 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 535 543) the Hoare annotation is: true [2020-11-06 21:38:14,831 INFO L266 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 535 543) no Hoare annotation was computed. [2020-11-06 21:38:14,831 INFO L262 CegarLoopResult]: At program point L435(line 435) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-11-06 21:38:14,832 INFO L266 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-11-06 21:38:14,832 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 420 448) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-11-06 21:38:14,832 INFO L266 CegarLoopResult]: For program point L432(lines 432 442) no Hoare annotation was computed. [2020-11-06 21:38:14,832 INFO L262 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-11-06 21:38:14,832 INFO L266 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-11-06 21:38:14,832 INFO L266 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2020-11-06 21:38:14,832 INFO L266 CegarLoopResult]: For program point L428-1(lines 420 448) no Hoare annotation was computed. [2020-11-06 21:38:14,832 INFO L262 CegarLoopResult]: At program point L426(line 426) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-11-06 21:38:14,833 INFO L266 CegarLoopResult]: For program point L426-1(line 426) no Hoare annotation was computed. [2020-11-06 21:38:14,833 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 420 448) no Hoare annotation was computed. [2020-11-06 21:38:14,833 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 412 419) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-11-06 21:38:14,833 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 412 419) no Hoare annotation was computed. [2020-11-06 21:38:14,833 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 412 419) no Hoare annotation was computed. [2020-11-06 21:38:14,833 INFO L266 CegarLoopResult]: For program point L511(lines 511 519) no Hoare annotation was computed. [2020-11-06 21:38:14,833 INFO L266 CegarLoopResult]: For program point L511-2(lines 511 519) no Hoare annotation was computed. [2020-11-06 21:38:14,833 INFO L266 CegarLoopResult]: For program point printEnvironmentEXIT(lines 503 525) no Hoare annotation was computed. [2020-11-06 21:38:14,833 INFO L266 CegarLoopResult]: For program point printEnvironmentENTRY(lines 503 525) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point printEnvironmentFINAL(lines 503 525) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 212 314) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point L300(lines 300 311) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 212 314) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point L261-2(lines 261 281) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point L282(lines 260 283) no Hoare annotation was computed. [2020-11-06 21:38:14,834 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 212 314) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point L241(lines 241 257) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point L301(lines 301 308) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point L262(lines 261 281) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point L258(lines 258 299) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point select_oneENTRY(lines 717 726) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point select_oneFINAL(lines 717 726) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point select_oneEXIT(lines 717 726) no Hoare annotation was computed. [2020-11-06 21:38:14,835 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point L833-1(lines 822 838) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point L829(lines 829 835) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point activatePumpEXIT(lines 822 838) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point activatePumpENTRY(lines 822 838) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point getWaterLevelENTRY(lines 526 534) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point getWaterLevelFINAL(lines 526 534) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point getWaterLevelEXIT(lines 526 534) no Hoare annotation was computed. [2020-11-06 21:38:14,836 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,837 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,837 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,837 INFO L262 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 482 493) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-11-06 21:38:14,837 INFO L266 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 482 493) no Hoare annotation was computed. [2020-11-06 21:38:14,837 INFO L266 CegarLoopResult]: For program point L486-1(lines 482 493) no Hoare annotation was computed. [2020-11-06 21:38:14,837 INFO L269 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 494 502) the Hoare annotation is: true [2020-11-06 21:38:14,837 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 494 502) no Hoare annotation was computed. [2020-11-06 21:38:14,837 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 494 502) no Hoare annotation was computed. [2020-11-06 21:38:14,838 INFO L262 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,838 INFO L262 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,838 INFO L262 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-11-06 21:38:14,838 INFO L266 CegarLoopResult]: For program point L760(lines 759 778) no Hoare annotation was computed. [2020-11-06 21:38:14,838 INFO L262 CegarLoopResult]: At program point timeShiftENTRY(lines 756 779) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:38:14,838 INFO L266 CegarLoopResult]: For program point timeShiftEXIT(lines 756 779) no Hoare annotation was computed. [2020-11-06 21:38:14,838 INFO L266 CegarLoopResult]: For program point timeShiftFINAL(lines 756 779) no Hoare annotation was computed. [2020-11-06 21:38:14,838 INFO L266 CegarLoopResult]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2020-11-06 21:38:14,839 INFO L269 CegarLoopResult]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2020-11-06 21:38:14,839 INFO L269 CegarLoopResult]: At program point L572(lines 547 576) the Hoare annotation is: true [2020-11-06 21:38:14,839 INFO L266 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-11-06 21:38:14,839 INFO L266 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-11-06 21:38:14,839 INFO L269 CegarLoopResult]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2020-11-06 21:38:14,839 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 21:38:14,839 INFO L269 CegarLoopResult]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2020-11-06 21:38:14,839 INFO L269 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: true [2020-11-06 21:38:14,839 INFO L266 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-11-06 21:38:14,839 INFO L269 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 458 469) the Hoare annotation is: true [2020-11-06 21:38:14,839 INFO L266 CegarLoopResult]: For program point L462-1(lines 458 469) no Hoare annotation was computed. [2020-11-06 21:38:14,839 INFO L266 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 458 469) no Hoare annotation was computed. [2020-11-06 21:38:14,840 INFO L266 CegarLoopResult]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2020-11-06 21:38:14,840 INFO L269 CegarLoopResult]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2020-11-06 21:38:14,840 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,840 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-06 21:38:14,840 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 21:38:14,840 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:38:14,840 INFO L266 CegarLoopResult]: For program point waterRiseEXIT(lines 470 481) no Hoare annotation was computed. [2020-11-06 21:38:14,840 INFO L266 CegarLoopResult]: For program point L474-1(lines 470 481) no Hoare annotation was computed. [2020-11-06 21:38:14,840 INFO L262 CegarLoopResult]: At program point waterRiseENTRY(lines 470 481) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-11-06 21:38:14,840 INFO L266 CegarLoopResult]: For program point __automaton_failFINAL(lines 938 945) no Hoare annotation was computed. [2020-11-06 21:38:14,840 INFO L266 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-11-06 21:38:14,841 INFO L269 CegarLoopResult]: At program point __automaton_failENTRY(lines 938 945) the Hoare annotation is: true [2020-11-06 21:38:14,841 INFO L266 CegarLoopResult]: For program point __automaton_failEXIT(lines 938 945) no Hoare annotation was computed. [2020-11-06 21:38:14,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:38:14 BoogieIcfgContainer [2020-11-06 21:38:14,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:38:14,872 INFO L168 Benchmark]: Toolchain (without parser) took 58199.15 ms. Allocated memory was 163.6 MB in the beginning and 285.2 MB in the end (delta: 121.6 MB). Free memory was 146.7 MB in the beginning and 96.9 MB in the end (delta: 49.9 MB). Peak memory consumption was 184.6 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,874 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 163.6 MB. Free memory is still 136.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:38:14,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.01 ms. Allocated memory is still 163.6 MB. Free memory was 146.2 MB in the beginning and 137.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,876 INFO L168 Benchmark]: Boogie Preprocessor took 160.20 ms. Allocated memory is still 163.6 MB. Free memory was 137.7 MB in the beginning and 133.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,877 INFO L168 Benchmark]: RCFGBuilder took 1550.56 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 133.6 MB in the beginning and 124.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,878 INFO L168 Benchmark]: TraceAbstraction took 55728.04 ms. Allocated memory was 197.1 MB in the beginning and 285.2 MB in the end (delta: 88.1 MB). Free memory was 124.3 MB in the beginning and 96.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 129.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:14,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 163.6 MB. Free memory is still 136.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 744.01 ms. Allocated memory is still 163.6 MB. Free memory was 146.2 MB in the beginning and 137.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 160.20 ms. Allocated memory is still 163.6 MB. Free memory was 137.7 MB in the beginning and 133.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1550.56 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 133.6 MB in the beginning and 124.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 55728.04 ms. Allocated memory was 197.1 MB in the beginning and 285.2 MB in the end (delta: 88.1 MB). Free memory was 124.3 MB in the beginning and 96.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 129.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 346]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 339]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 385]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 392]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 244 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 25.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 495 SDtfs, 956 SDslu, 578 SDs, 0 SdLazy, 2407 SolverSat, 683 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 244 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 496 PreInvPairs, 587 NumberOfFragments, 794 HoareAnnotationTreeSize, 496 FomulaSimplifications, 210498 FormulaSimplificationTreeSizeReduction, 4.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 18820 FormulaSimplificationTreeSizeReductionInter, 20.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 90419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...