/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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:57:05,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:57:05,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:57:05,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:57:05,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:57:05,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:57:05,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:57:05,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:57:05,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:57:05,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:57:05,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:57:05,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:57:05,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:57:05,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:57:05,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:57:05,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:57:05,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:57:05,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:57:05,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:57:05,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:57:05,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:57:05,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:57:05,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:57:05,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:57:05,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:57:05,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:57:05,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:57:05,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:57:05,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:57:05,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:57:05,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:57:05,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:57:05,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:57:05,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:57:05,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:57:05,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:57:05,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:57:05,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:57:05,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:57:05,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:57:05,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:57:05,569 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 [2021-02-19 16:57:05,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:57:05,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:57:05,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:57:05,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:57:05,640 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:57:05,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:57:05,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:57:05,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:57:05,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:57:05,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:57:05,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:57:05,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:57:05,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:57:05,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:57:05,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:57:05,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:57:05,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:57:05,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:57:05,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:57:05,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:57:05,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:57:05,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:57:05,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:57:05,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:57:05,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:57:05,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:57:05,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:57:05,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:57:05,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:57:06,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:57:06,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:57:06,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:57:06,108 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:57:06,114 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:57:06,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2021-02-19 16:57:06,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177358978/9dfa8b5a51444a61ac1e8569bc9f658c/FLAG044faffca [2021-02-19 16:57:06,969 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:57:06,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2021-02-19 16:57:06,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177358978/9dfa8b5a51444a61ac1e8569bc9f658c/FLAG044faffca [2021-02-19 16:57:07,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177358978/9dfa8b5a51444a61ac1e8569bc9f658c [2021-02-19 16:57:07,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:57:07,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:57:07,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:07,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:57:07,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:57:07,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30268ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07, skipping insertion in model container [2021-02-19 16:57:07,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:57:07,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:57:07,549 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c[4577,4590] [2021-02-19 16:57:07,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:07,638 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:57:07,669 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c[4577,4590] [2021-02-19 16:57:07,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:07,760 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:57:07,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07 WrapperNode [2021-02-19 16:57:07,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:07,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:57:07,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:57:07,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:57:07,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:57:07,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:57:07,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:57:07,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:57:07,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (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 [2021-02-19 16:57:07,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:57:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:57:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:57:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:57:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:57:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:57:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:57:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:57:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:57:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:57:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:57:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:57:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:57:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:57:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:57:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:57:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:57:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:57:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:57:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:57:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 16:57:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:57:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-19 16:57:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:57:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:57:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:57:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:57:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:57:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 16:57:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:57:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:57:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:57:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:57:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:57:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:57:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:57:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:57:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:57:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:57:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:57:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:57:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:57:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:57:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:57:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:57:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:57:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:57:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:57:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:57:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:57:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:57:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:57:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:57:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:57:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:57:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:57:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:57:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:57:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:57:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:57:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:57:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 16:57:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:57:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 16:57:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:57:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-19 16:57:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:57:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:57:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:57:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:57:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:57:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:57:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:57:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:57:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:57:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:57:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:57:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:57:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:57:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:57:09,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:57:09,219 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:57:09,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:09 BoogieIcfgContainer [2021-02-19 16:57:09,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:57:09,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:57:09,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:57:09,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:57:09,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:57:07" (1/3) ... [2021-02-19 16:57:09,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3217bdc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:09, skipping insertion in model container [2021-02-19 16:57:09,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (2/3) ... [2021-02-19 16:57:09,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3217bdc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:09, skipping insertion in model container [2021-02-19 16:57:09,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:09" (3/3) ... [2021-02-19 16:57:09,231 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2021-02-19 16:57:09,238 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:57:09,244 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:57:09,264 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:57:09,293 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:57:09,294 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:57:09,294 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:57:09,294 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:57:09,294 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:57:09,294 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:57:09,295 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:57:09,295 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:57:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2021-02-19 16:57:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:57:09,326 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:09,327 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] [2021-02-19 16:57:09,328 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:09,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:09,335 INFO L82 PathProgramCache]: Analyzing trace with hash -500442266, now seen corresponding path program 1 times [2021-02-19 16:57:09,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:09,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924922344] [2021-02-19 16:57:09,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:09,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:09,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:09,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:09,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,029 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:10,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:57:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:57:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:10,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924922344] [2021-02-19 16:57:10,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:10,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:57:10,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256599188] [2021-02-19 16:57:10,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:57:10,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:10,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:57:10,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:57:10,157 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2021-02-19 16:57:11,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:11,484 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2021-02-19 16:57:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:57:11,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:57:11,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:11,505 INFO L225 Difference]: With dead ends: 251 [2021-02-19 16:57:11,505 INFO L226 Difference]: Without dead ends: 137 [2021-02-19 16:57:11,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:57:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-02-19 16:57:11,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2021-02-19 16:57:11,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-02-19 16:57:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2021-02-19 16:57:11,605 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2021-02-19 16:57:11,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:11,605 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2021-02-19 16:57:11,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:57:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2021-02-19 16:57:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:57:11,609 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:11,609 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] [2021-02-19 16:57:11,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:57:11,610 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:11,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:11,611 INFO L82 PathProgramCache]: Analyzing trace with hash 2137816515, now seen corresponding path program 1 times [2021-02-19 16:57:11,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:11,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419210469] [2021-02-19 16:57:11,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:11,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:11,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:11,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:11,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:11,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:11,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,121 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:12,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:57:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:57:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:12,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419210469] [2021-02-19 16:57:12,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:12,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:57:12,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476680063] [2021-02-19 16:57:12,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:57:12,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:12,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:57:12,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:57:12,193 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2021-02-19 16:57:12,780 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:13,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:13,523 INFO L93 Difference]: Finished difference Result 178 states and 219 transitions. [2021-02-19 16:57:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:57:13,524 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:57:13,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:13,527 INFO L225 Difference]: With dead ends: 178 [2021-02-19 16:57:13,528 INFO L226 Difference]: Without dead ends: 121 [2021-02-19 16:57:13,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:57:13,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-02-19 16:57:13,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2021-02-19 16:57:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2021-02-19 16:57:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2021-02-19 16:57:13,576 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2021-02-19 16:57:13,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:13,576 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2021-02-19 16:57:13,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:57:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2021-02-19 16:57:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:57:13,579 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:13,579 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] [2021-02-19 16:57:13,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:57:13,580 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:13,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:13,580 INFO L82 PathProgramCache]: Analyzing trace with hash 262560697, now seen corresponding path program 1 times [2021-02-19 16:57:13,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:13,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654495544] [2021-02-19 16:57:13,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:13,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:13,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:13,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:13,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:13,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:13,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:13,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:13,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,110 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:14,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:57:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,178 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:57:14,179 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:57:14,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:57:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:57:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:14,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654495544] [2021-02-19 16:57:14,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:14,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:14,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161437325] [2021-02-19 16:57:14,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:14,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:14,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:14,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:14,220 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 8 states. [2021-02-19 16:57:14,779 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:15,266 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:15,660 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:16,071 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:17,043 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:18,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:18,597 INFO L93 Difference]: Finished difference Result 336 states and 422 transitions. [2021-02-19 16:57:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:57:18,597 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-19 16:57:18,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:18,601 INFO L225 Difference]: With dead ends: 336 [2021-02-19 16:57:18,602 INFO L226 Difference]: Without dead ends: 264 [2021-02-19 16:57:18,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:57:18,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2021-02-19 16:57:18,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 210. [2021-02-19 16:57:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2021-02-19 16:57:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2021-02-19 16:57:18,698 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51 [2021-02-19 16:57:18,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:18,698 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2021-02-19 16:57:18,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2021-02-19 16:57:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-02-19 16:57:18,701 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:18,702 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] [2021-02-19 16:57:18,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:57:18,702 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:18,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:18,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1538325425, now seen corresponding path program 1 times [2021-02-19 16:57:18,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:18,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607884841] [2021-02-19 16:57:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:18,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:18,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:18,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:18,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:18,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:18,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:19,147 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:19,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:19,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:19,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:19,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:19,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:19,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:19,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:19,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:19,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:19,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:19,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:57:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:19,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:19,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:57:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:19,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:19,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 16:57:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:19,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:19,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607884841] [2021-02-19 16:57:19,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:19,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:19,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324557298] [2021-02-19 16:57:19,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:19,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:19,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:19,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:19,278 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 8 states. [2021-02-19 16:57:19,827 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:20,877 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:21,455 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:21,856 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:22,261 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:22,823 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:23,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:23,704 INFO L93 Difference]: Finished difference Result 680 states and 901 transitions. [2021-02-19 16:57:23,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:57:23,709 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2021-02-19 16:57:23,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:23,715 INFO L225 Difference]: With dead ends: 680 [2021-02-19 16:57:23,715 INFO L226 Difference]: Without dead ends: 494 [2021-02-19 16:57:23,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:57:23,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-02-19 16:57:23,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 375. [2021-02-19 16:57:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2021-02-19 16:57:23,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions. [2021-02-19 16:57:23,865 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57 [2021-02-19 16:57:23,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:23,866 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 462 transitions. [2021-02-19 16:57:23,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:23,866 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions. [2021-02-19 16:57:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-19 16:57:23,869 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:23,869 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] [2021-02-19 16:57:23,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:57:23,869 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:23,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:23,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1716204269, now seen corresponding path program 1 times [2021-02-19 16:57:23,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:23,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725621759] [2021-02-19 16:57:23,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,280 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:24,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:24,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:57:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:57:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:24,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 16:57:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-19 16:57:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:24,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725621759] [2021-02-19 16:57:24,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:24,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:57:24,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116909277] [2021-02-19 16:57:24,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:57:24,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:24,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:57:24,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:57:24,393 INFO L87 Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 9 states. [2021-02-19 16:57:25,184 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:26,271 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:26,668 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:27,030 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:27,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:27,429 INFO L93 Difference]: Finished difference Result 705 states and 922 transitions. [2021-02-19 16:57:27,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 16:57:27,430 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2021-02-19 16:57:27,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:27,431 INFO L225 Difference]: With dead ends: 705 [2021-02-19 16:57:27,431 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:57:27,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-02-19 16:57:27,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:57:27,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:57:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:57:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:57:27,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-02-19 16:57:27,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:27,436 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:57:27,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:57:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:57:27,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:57:27,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:57:27,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:57:27,723 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 6 [2021-02-19 16:57:31,054 WARN L202 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-19 16:57:31,352 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:31,638 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:31,968 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:32,253 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-19 16:57:32,542 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:32,911 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:33,464 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:34,026 WARN L202 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:34,259 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 16:57:34,808 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-19 16:57:35,356 WARN L202 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:35,620 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:35,930 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:36,230 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-19 16:57:36,513 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:36,772 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:37,532 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 14 [2021-02-19 16:57:37,811 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:38,084 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:38,370 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:38,902 WARN L202 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:39,421 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-19 16:57:39,426 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:39,426 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:39,426 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:39,427 INFO L189 CegarLoopUtils]: For program point L636(lines 613 637) no Hoare annotation was computed. [2021-02-19 16:57:39,427 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 589 644) no Hoare annotation was computed. [2021-02-19 16:57:39,427 INFO L189 CegarLoopUtils]: For program point L620(lines 620 624) no Hoare annotation was computed. [2021-02-19 16:57:39,427 INFO L189 CegarLoopUtils]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2021-02-19 16:57:39,427 INFO L189 CegarLoopUtils]: For program point L615(line 615) no Hoare annotation was computed. [2021-02-19 16:57:39,427 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2021-02-19 16:57:39,428 INFO L189 CegarLoopUtils]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2021-02-19 16:57:39,428 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 589 644) no Hoare annotation was computed. [2021-02-19 16:57:39,428 INFO L189 CegarLoopUtils]: For program point L672(line 672) no Hoare annotation was computed. [2021-02-19 16:57:39,428 INFO L189 CegarLoopUtils]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2021-02-19 16:57:39,428 INFO L189 CegarLoopUtils]: For program point L697(lines 670 698) no Hoare annotation was computed. [2021-02-19 16:57:39,428 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2021-02-19 16:57:39,428 INFO L189 CegarLoopUtils]: For program point L690(line 690) no Hoare annotation was computed. [2021-02-19 16:57:39,428 INFO L189 CegarLoopUtils]: For program point L690-1(line 690) no Hoare annotation was computed. [2021-02-19 16:57:39,428 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 645 704) no Hoare annotation was computed. [2021-02-19 16:57:39,429 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2021-02-19 16:57:39,429 INFO L189 CegarLoopUtils]: For program point L677(lines 677 681) no Hoare annotation was computed. [2021-02-19 16:57:39,429 INFO L189 CegarLoopUtils]: For program point L677-1(lines 677 681) no Hoare annotation was computed. [2021-02-19 16:57:39,429 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 248 254) the Hoare annotation is: true [2021-02-19 16:57:39,429 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 248 254) no Hoare annotation was computed. [2021-02-19 16:57:39,429 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 255 263) no Hoare annotation was computed. [2021-02-19 16:57:39,429 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 255 263) the Hoare annotation is: true [2021-02-19 16:57:39,430 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 255 263) no Hoare annotation was computed. [2021-02-19 16:57:39,430 INFO L185 CegarLoopUtils]: At program point L129(line 129) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,430 INFO L185 CegarLoopUtils]: At program point L128(line 128) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,430 INFO L185 CegarLoopUtils]: At program point L128-1(line 128) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,431 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 122 144) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,431 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2021-02-19 16:57:39,431 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2021-02-19 16:57:39,431 INFO L185 CegarLoopUtils]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,431 INFO L185 CegarLoopUtils]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,431 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-02-19 16:57:39,432 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2021-02-19 16:57:39,432 INFO L189 CegarLoopUtils]: For program point L130(line 130) no Hoare annotation was computed. [2021-02-19 16:57:39,432 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2021-02-19 16:57:39,432 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-02-19 16:57:39,432 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2021-02-19 16:57:39,432 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-02-19 16:57:39,432 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2021-02-19 16:57:39,432 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-02-19 16:57:39,432 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2021-02-19 16:57:39,433 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2021-02-19 16:57:39,433 INFO L189 CegarLoopUtils]: For program point L90(line 90) no Hoare annotation was computed. [2021-02-19 16:57:39,433 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-02-19 16:57:39,433 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2021-02-19 16:57:39,433 INFO L189 CegarLoopUtils]: For program point L87(line 87) no Hoare annotation was computed. [2021-02-19 16:57:39,433 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-02-19 16:57:39,433 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2021-02-19 16:57:39,433 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-02-19 16:57:39,433 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-19 16:57:39,434 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-19 16:57:39,434 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 332 338) no Hoare annotation was computed. [2021-02-19 16:57:39,434 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 332 338) the Hoare annotation is: true [2021-02-19 16:57:39,434 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 454 468) no Hoare annotation was computed. [2021-02-19 16:57:39,434 INFO L185 CegarLoopUtils]: At program point L460(line 460) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:39,434 INFO L189 CegarLoopUtils]: For program point L458(lines 458 464) no Hoare annotation was computed. [2021-02-19 16:57:39,434 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 454 468) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:39,434 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 454 468) no Hoare annotation was computed. [2021-02-19 16:57:39,435 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseEXIT(lines 365 372) no Hoare annotation was computed. [2021-02-19 16:57:39,435 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseENTRY(lines 365 372) no Hoare annotation was computed. [2021-02-19 16:57:39,435 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseFINAL(lines 365 372) no Hoare annotation was computed. [2021-02-19 16:57:39,435 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2021-02-19 16:57:39,435 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2021-02-19 16:57:39,435 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2021-02-19 16:57:39,435 INFO L189 CegarLoopUtils]: For program point L448(line 448) no Hoare annotation was computed. [2021-02-19 16:57:39,435 INFO L189 CegarLoopUtils]: For program point L448-1(line 448) no Hoare annotation was computed. [2021-02-19 16:57:39,435 INFO L189 CegarLoopUtils]: For program point L437(lines 437 445) no Hoare annotation was computed. [2021-02-19 16:57:39,435 INFO L189 CegarLoopUtils]: For program point L437-2(lines 437 445) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 418 453) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point L425(lines 425 433) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point L425-2(lines 425 433) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 418 453) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 418 453) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 241 247) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 241 247) the Hoare annotation is: true [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 543 588) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 543 588) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 856 901) no Hoare annotation was computed. [2021-02-19 16:57:39,436 INFO L189 CegarLoopUtils]: For program point L876(lines 876 883) no Hoare annotation was computed. [2021-02-19 16:57:39,437 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 856 901) no Hoare annotation was computed. [2021-02-19 16:57:39,437 INFO L189 CegarLoopUtils]: For program point L870(lines 870 890) no Hoare annotation was computed. [2021-02-19 16:57:39,437 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2021-02-19 16:57:39,437 INFO L189 CegarLoopUtils]: For program point L870-1(lines 870 890) no Hoare annotation was computed. [2021-02-19 16:57:39,437 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 109 118) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,437 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2021-02-19 16:57:39,437 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2021-02-19 16:57:39,437 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 398 408) the Hoare annotation is: true [2021-02-19 16:57:39,438 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 398 408) no Hoare annotation was computed. [2021-02-19 16:57:39,438 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 398 408) no Hoare annotation was computed. [2021-02-19 16:57:39,438 INFO L192 CegarLoopUtils]: At program point L403(line 403) the Hoare annotation is: true [2021-02-19 16:57:39,438 INFO L189 CegarLoopUtils]: For program point L403-1(line 403) no Hoare annotation was computed. [2021-02-19 16:57:39,438 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2021-02-19 16:57:39,438 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2021-02-19 16:57:39,438 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2021-02-19 16:57:39,438 INFO L185 CegarLoopUtils]: At program point L350(line 350) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,438 INFO L189 CegarLoopUtils]: For program point L348(lines 348 356) no Hoare annotation was computed. [2021-02-19 16:57:39,438 INFO L185 CegarLoopUtils]: At program point L346(line 346) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,439 INFO L189 CegarLoopUtils]: For program point L346-1(line 346) no Hoare annotation was computed. [2021-02-19 16:57:39,439 INFO L189 CegarLoopUtils]: For program point L344(lines 344 361) no Hoare annotation was computed. [2021-02-19 16:57:39,439 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 340 364) no Hoare annotation was computed. [2021-02-19 16:57:39,439 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 340 364) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,439 INFO L185 CegarLoopUtils]: At program point L359(line 359) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,439 INFO L189 CegarLoopUtils]: For program point L359-1(lines 340 364) no Hoare annotation was computed. [2021-02-19 16:57:39,439 INFO L185 CegarLoopUtils]: At program point L354(line 354) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,439 INFO L189 CegarLoopUtils]: For program point L481(lines 480 527) no Hoare annotation was computed. [2021-02-19 16:57:39,439 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 470 535) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,439 INFO L189 CegarLoopUtils]: For program point L510(lines 510 523) no Hoare annotation was computed. [2021-02-19 16:57:39,440 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 470 535) no Hoare annotation was computed. [2021-02-19 16:57:39,440 INFO L185 CegarLoopUtils]: At program point L502(line 502) 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))) [2021-02-19 16:57:39,440 INFO L189 CegarLoopUtils]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-02-19 16:57:39,440 INFO L189 CegarLoopUtils]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2021-02-19 16:57:39,440 INFO L185 CegarLoopUtils]: At program point L525(lines 480 527) 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))) [2021-02-19 16:57:39,440 INFO L185 CegarLoopUtils]: At program point L492(line 492) 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))) [2021-02-19 16:57:39,440 INFO L189 CegarLoopUtils]: For program point L490(lines 490 496) no Hoare annotation was computed. [2021-02-19 16:57:39,441 INFO L189 CegarLoopUtils]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2021-02-19 16:57:39,441 INFO L189 CegarLoopUtils]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-02-19 16:57:39,441 INFO L185 CegarLoopUtils]: At program point L528(lines 479 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,441 INFO L185 CegarLoopUtils]: At program point L518(line 518) 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))) [2021-02-19 16:57:39,441 INFO L189 CegarLoopUtils]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-02-19 16:57:39,441 INFO L185 CegarLoopUtils]: At program point L516-1(lines 510 523) 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))) [2021-02-19 16:57:39,441 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 470 535) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point L830(lines 830 837) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 810 855) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point L824(lines 824 844) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 810 855) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point L205(lines 205 213) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 197 219) no Hoare annotation was computed. [2021-02-19 16:57:39,442 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 197 219) no Hoare annotation was computed. [2021-02-19 16:57:39,443 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 197 219) no Hoare annotation was computed. [2021-02-19 16:57:39,443 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 231 240) no Hoare annotation was computed. [2021-02-19 16:57:39,443 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 231 240) no Hoare annotation was computed. [2021-02-19 16:57:39,443 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 231 240) no Hoare annotation was computed. [2021-02-19 16:57:39,443 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 707 809) no Hoare annotation was computed. [2021-02-19 16:57:39,443 INFO L189 CegarLoopUtils]: For program point L731(lines 731 735) no Hoare annotation was computed. [2021-02-19 16:57:39,443 INFO L189 CegarLoopUtils]: For program point L795(lines 795 806) no Hoare annotation was computed. [2021-02-19 16:57:39,443 INFO L189 CegarLoopUtils]: For program point L758(lines 758 762) no Hoare annotation was computed. [2021-02-19 16:57:39,443 INFO L189 CegarLoopUtils]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2021-02-19 16:57:39,444 INFO L189 CegarLoopUtils]: For program point L777(lines 755 778) no Hoare annotation was computed. [2021-02-19 16:57:39,444 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2021-02-19 16:57:39,444 INFO L189 CegarLoopUtils]: For program point L736(lines 736 752) no Hoare annotation was computed. [2021-02-19 16:57:39,444 INFO L189 CegarLoopUtils]: For program point L796(lines 796 803) no Hoare annotation was computed. [2021-02-19 16:57:39,444 INFO L189 CegarLoopUtils]: For program point L757(lines 756 776) no Hoare annotation was computed. [2021-02-19 16:57:39,444 INFO L189 CegarLoopUtils]: For program point L788(line 788) no Hoare annotation was computed. [2021-02-19 16:57:39,444 INFO L189 CegarLoopUtils]: For program point L788-1(line 788) no Hoare annotation was computed. [2021-02-19 16:57:39,444 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2021-02-19 16:57:39,444 INFO L189 CegarLoopUtils]: For program point L753(lines 753 794) no Hoare annotation was computed. [2021-02-19 16:57:39,445 INFO L189 CegarLoopUtils]: For program point L772(line 772) no Hoare annotation was computed. [2021-02-19 16:57:39,445 INFO L189 CegarLoopUtils]: For program point L772-1(line 772) no Hoare annotation was computed. [2021-02-19 16:57:39,445 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,445 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.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~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.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~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#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~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:39,445 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,445 INFO L189 CegarLoopUtils]: For program point L384(line 384) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L189 CegarLoopUtils]: For program point L384-1(lines 373 389) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L189 CegarLoopUtils]: For program point L380(lines 380 386) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 373 389) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L189 CegarLoopUtils]: For program point L378(line 378) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L189 CegarLoopUtils]: For program point L378-1(line 378) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 373 389) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 220 228) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2021-02-19 16:57:39,446 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:39,447 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2021-02-19 16:57:39,447 INFO L189 CegarLoopUtils]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2021-02-19 16:57:39,447 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,447 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,447 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,447 INFO L185 CegarLoopUtils]: At program point L321(line 321) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,447 INFO L185 CegarLoopUtils]: At program point L319(lines 319 325) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,447 INFO L185 CegarLoopUtils]: At program point L314(line 314) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:39,448 INFO L189 CegarLoopUtils]: For program point L312(lines 311 330) no Hoare annotation was computed. [2021-02-19 16:57:39,448 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 308 331) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,448 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 308 331) no Hoare annotation was computed. [2021-02-19 16:57:39,448 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 308 331) no Hoare annotation was computed. [2021-02-19 16:57:39,448 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-02-19 16:57:39,448 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2021-02-19 16:57:39,448 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2021-02-19 16:57:39,448 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-02-19 16:57:39,448 INFO L192 CegarLoopUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2021-02-19 16:57:39,449 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-02-19 16:57:39,449 INFO L192 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2021-02-19 16:57:39,449 INFO L192 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: true [2021-02-19 16:57:39,449 INFO L189 CegarLoopUtils]: For program point L50-1(line 50) no Hoare annotation was computed. [2021-02-19 16:57:39,449 INFO L192 CegarLoopUtils]: At program point L69(lines 44 73) the Hoare annotation is: true [2021-02-19 16:57:39,449 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2021-02-19 16:57:39,449 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2021-02-19 16:57:39,449 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2021-02-19 16:57:39,449 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: true [2021-02-19 16:57:39,450 INFO L189 CegarLoopUtils]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2021-02-19 16:57:39,450 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2021-02-19 16:57:39,450 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2021-02-19 16:57:39,450 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2021-02-19 16:57:39,450 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,450 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:57:39,450 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:39,450 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,450 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2021-02-19 16:57:39,451 INFO L189 CegarLoopUtils]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2021-02-19 16:57:39,451 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:39,451 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 293 300) no Hoare annotation was computed. [2021-02-19 16:57:39,451 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2021-02-19 16:57:39,451 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 293 300) the Hoare annotation is: true [2021-02-19 16:57:39,451 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 293 300) no Hoare annotation was computed. [2021-02-19 16:57:39,451 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 267 291) the Hoare annotation is: true [2021-02-19 16:57:39,451 INFO L185 CegarLoopUtils]: At program point L281(line 281) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:39,452 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 267 291) no Hoare annotation was computed. [2021-02-19 16:57:39,452 INFO L189 CegarLoopUtils]: For program point L279(lines 279 285) no Hoare annotation was computed. [2021-02-19 16:57:39,452 INFO L185 CegarLoopUtils]: At program point L277(line 277) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-19 16:57:39,452 INFO L189 CegarLoopUtils]: For program point L277-1(line 277) no Hoare annotation was computed. [2021-02-19 16:57:39,452 INFO L189 CegarLoopUtils]: For program point L275(lines 275 288) no Hoare annotation was computed. [2021-02-19 16:57:39,452 INFO L189 CegarLoopUtils]: For program point L275-1(lines 267 291) no Hoare annotation was computed. [2021-02-19 16:57:39,452 INFO L192 CegarLoopUtils]: At program point L273(line 273) the Hoare annotation is: true [2021-02-19 16:57:39,452 INFO L189 CegarLoopUtils]: For program point L273-1(line 273) no Hoare annotation was computed. [2021-02-19 16:57:39,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:39 BoogieIcfgContainer [2021-02-19 16:57:39,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:39,470 INFO L168 Benchmark]: Toolchain (without parser) took 32222.28 ms. Allocated memory was 167.8 MB in the beginning and 385.9 MB in the end (delta: 218.1 MB). Free memory was 141.9 MB in the beginning and 215.0 MB in the end (delta: -73.2 MB). Peak memory consumption was 233.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,470 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 167.8 MB. Free memory is still 142.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:39,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.57 ms. Allocated memory is still 167.8 MB. Free memory was 140.8 MB in the beginning and 120.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,471 INFO L168 Benchmark]: Boogie Preprocessor took 118.42 ms. Allocated memory is still 167.8 MB. Free memory was 120.6 MB in the beginning and 116.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,472 INFO L168 Benchmark]: RCFGBuilder took 1340.95 ms. Allocated memory is still 167.8 MB. Free memory was 116.7 MB in the beginning and 121.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,473 INFO L168 Benchmark]: TraceAbstraction took 30245.44 ms. Allocated memory was 167.8 MB in the beginning and 385.9 MB in the end (delta: 218.1 MB). Free memory was 121.6 MB in the beginning and 215.0 MB in the end (delta: -93.4 MB). Peak memory consumption was 212.3 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 167.8 MB. Free memory is still 142.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 498.57 ms. Allocated memory is still 167.8 MB. Free memory was 140.8 MB in the beginning and 120.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.42 ms. Allocated memory is still 167.8 MB. Free memory was 120.6 MB in the beginning and 116.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1340.95 ms. Allocated memory is still 167.8 MB. Free memory was 116.7 MB in the beginning and 121.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30245.44 ms. Allocated memory was 167.8 MB in the beginning and 385.9 MB in the end (delta: 218.1 MB). Free memory was 121.6 MB in the beginning and 215.0 MB in the end (delta: -93.4 MB). Peak memory consumption was 212.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 297]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 460 SDtfs, 747 SDslu, 406 SDs, 0 SdLazy, 1949 SolverSat, 502 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred 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, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 694 HoareAnnotationTreeSize, 468 FomulaSimplifications, 61552 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 18404 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 77880 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...