/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_spec5_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:09:33,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:09:33,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:09:33,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:09:33,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:09:33,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:09:33,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:09:33,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:09:33,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:09:33,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:09:33,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:09:33,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:09:33,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:09:33,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:09:33,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:09:33,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:09:33,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:09:33,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:09:33,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:09:33,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:09:33,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:09:33,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:09:33,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:09:33,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:09:33,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:09:33,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:09:33,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:09:33,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:09:33,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:09:33,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:09:33,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:09:33,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:09:33,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:09:33,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:09:33,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:09:33,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:09:33,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:09:33,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:09:33,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:09:33,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:09:33,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:09:33,906 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 17:09:33,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:09:33,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:09:33,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:09:33,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:09:33,965 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:09:33,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:09:33,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:09:33,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:09:33,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:09:33,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:09:33,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:09:33,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:09:33,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:09:33,969 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:09:33,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:09:33,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:09:33,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:09:33,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:09:33,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:09:33,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:09:33,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:09:33,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:09:33,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:09:33,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:09:33,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:09:33,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:09:33,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:09:33,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:09:33,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:09:34,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:09:34,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:09:34,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:09:34,425 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:09:34,426 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:09:34,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2021-02-19 17:09:34,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9c7754ea/74d1937444be4b6cba0b8cee04a2af6e/FLAGdd2371ccd [2021-02-19 17:09:35,216 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:09:35,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2021-02-19 17:09:35,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9c7754ea/74d1937444be4b6cba0b8cee04a2af6e/FLAGdd2371ccd [2021-02-19 17:09:35,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9c7754ea/74d1937444be4b6cba0b8cee04a2af6e [2021-02-19 17:09:35,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:09:35,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:09:35,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:09:35,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:09:35,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:09:35,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:09:35" (1/1) ... [2021-02-19 17:09:35,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eabb1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:35, skipping insertion in model container [2021-02-19 17:09:35,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:09:35" (1/1) ... [2021-02-19 17:09:35,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:09:35,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:09:35,850 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_spec5_product03.cil.c[1281,1294] [2021-02-19 17:09:36,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:09:36,064 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:09:36,080 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_spec5_product03.cil.c[1281,1294] [2021-02-19 17:09:36,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:09:36,216 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:09:36,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36 WrapperNode [2021-02-19 17:09:36,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:09:36,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:09:36,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:09:36,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:09:36,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36" (1/1) ... [2021-02-19 17:09:36,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36" (1/1) ... [2021-02-19 17:09:36,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36" (1/1) ... [2021-02-19 17:09:36,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36" (1/1) ... [2021-02-19 17:09:36,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36" (1/1) ... [2021-02-19 17:09:36,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36" (1/1) ... [2021-02-19 17:09:36,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36" (1/1) ... [2021-02-19 17:09:36,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:09:36,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:09:36,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:09:36,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:09:36,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36" (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 17:09:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:09:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:09:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:09:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:09:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:09:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:09:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:09:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:09:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:09:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:09:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:09:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:09:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:09:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:09:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:09:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:09:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:09:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:09:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:09:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:09:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:09:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:09:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:09:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:09:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:09:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:09:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:09:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 17:09:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:09:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:09:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:09:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:09:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:09:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:09:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:09:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:09:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:09:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:09:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:09:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:09:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:09:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:09:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:09:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:09:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:09:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:09:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:09:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:09:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:09:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:09:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:09:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:09:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:09:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:09:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:09:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:09:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:09:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:09:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:09:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:09:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:09:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:09:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:09:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:09:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:09:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:09:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:09:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:09:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:09:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:09:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:09:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:09:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:09:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:09:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:09:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:09:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:09:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:09:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:09:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:09:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:09:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 17:09:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:09:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:09:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:09:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:09:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:09:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:09:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:09:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:09:37,619 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:09:37,620 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:09:37,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:09:37 BoogieIcfgContainer [2021-02-19 17:09:37,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:09:37,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:09:37,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:09:37,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:09:37,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:09:35" (1/3) ... [2021-02-19 17:09:37,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@828e6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:09:37, skipping insertion in model container [2021-02-19 17:09:37,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:36" (2/3) ... [2021-02-19 17:09:37,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@828e6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:09:37, skipping insertion in model container [2021-02-19 17:09:37,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:09:37" (3/3) ... [2021-02-19 17:09:37,631 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2021-02-19 17:09:37,638 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:09:37,644 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:09:37,664 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:09:37,692 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:09:37,692 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:09:37,692 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:09:37,692 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:09:37,692 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:09:37,693 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:09:37,693 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:09:37,693 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:09:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2021-02-19 17:09:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 17:09:37,723 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:37,724 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:09:37,725 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:37,731 INFO L82 PathProgramCache]: Analyzing trace with hash 2111766426, now seen corresponding path program 1 times [2021-02-19 17:09:37,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:37,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191741059] [2021-02-19 17:09:37,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,495 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:38,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 17:09:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:09:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:09:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:38,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:38,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:09:38,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191741059] [2021-02-19 17:09:38,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:38,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:09:38,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942587357] [2021-02-19 17:09:38,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:09:38,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:38,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:09:38,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:09:38,693 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 4 states. [2021-02-19 17:09:39,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:09:39,710 INFO L93 Difference]: Finished difference Result 226 states and 297 transitions. [2021-02-19 17:09:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:09:39,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-19 17:09:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:09:39,724 INFO L225 Difference]: With dead ends: 226 [2021-02-19 17:09:39,725 INFO L226 Difference]: Without dead ends: 127 [2021-02-19 17:09:39,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:09:39,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-02-19 17:09:39,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 100. [2021-02-19 17:09:39,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-19 17:09:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2021-02-19 17:09:39,811 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 59 [2021-02-19 17:09:39,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:09:39,812 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2021-02-19 17:09:39,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:09:39,812 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2021-02-19 17:09:39,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-19 17:09:39,816 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:39,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:09:39,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:09:39,816 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:39,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:39,817 INFO L82 PathProgramCache]: Analyzing trace with hash -2065901814, now seen corresponding path program 1 times [2021-02-19 17:09:39,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:39,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542528142] [2021-02-19 17:09:39,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:39,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:39,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:39,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:39,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:39,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:39,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,313 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:40,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 17:09:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 17:09:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 17:09:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:40,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:40,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:09:40,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542528142] [2021-02-19 17:09:40,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:40,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:09:40,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637526125] [2021-02-19 17:09:40,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:09:40,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:40,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:09:40,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:09:40,400 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 5 states. [2021-02-19 17:09:40,987 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:09:41,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:09:41,646 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2021-02-19 17:09:41,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:09:41,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-02-19 17:09:41,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:09:41,649 INFO L225 Difference]: With dead ends: 162 [2021-02-19 17:09:41,650 INFO L226 Difference]: Without dead ends: 117 [2021-02-19 17:09:41,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:09:41,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-02-19 17:09:41,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 91. [2021-02-19 17:09:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-19 17:09:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2021-02-19 17:09:41,706 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 60 [2021-02-19 17:09:41,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:09:41,707 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2021-02-19 17:09:41,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:09:41,707 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2021-02-19 17:09:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-02-19 17:09:41,716 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:41,717 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:09:41,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:09:41,718 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:41,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:41,718 INFO L82 PathProgramCache]: Analyzing trace with hash -983908109, now seen corresponding path program 1 times [2021-02-19 17:09:41,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:41,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562593721] [2021-02-19 17:09:41,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:41,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:41,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:41,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:41,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:41,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:41,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:41,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:41,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:41,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:41,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:09:41,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:41,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:09:41,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:41,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:09:41,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:41,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:42,266 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:42,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:09:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:42,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:42,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:42,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:42,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:42,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:09:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:42,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:42,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 17:09:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:42,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 17:09:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:42,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:42,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:09:42,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562593721] [2021-02-19 17:09:42,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:42,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:09:42,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859794872] [2021-02-19 17:09:42,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:09:42,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:42,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:09:42,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:09:42,397 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 9 states. [2021-02-19 17:09:42,956 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:09:43,428 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:43,855 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:44,241 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:45,442 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:09:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:09:46,681 INFO L93 Difference]: Finished difference Result 310 states and 386 transitions. [2021-02-19 17:09:46,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:09:46,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2021-02-19 17:09:46,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:09:46,690 INFO L225 Difference]: With dead ends: 310 [2021-02-19 17:09:46,690 INFO L226 Difference]: Without dead ends: 247 [2021-02-19 17:09:46,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-02-19 17:09:46,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-02-19 17:09:46,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 190. [2021-02-19 17:09:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-02-19 17:09:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 228 transitions. [2021-02-19 17:09:46,767 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 228 transitions. Word has length 64 [2021-02-19 17:09:46,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:09:46,768 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 228 transitions. [2021-02-19 17:09:46,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:09:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 228 transitions. [2021-02-19 17:09:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-02-19 17:09:46,769 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:46,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:09:46,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:09:46,770 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:46,771 INFO L82 PathProgramCache]: Analyzing trace with hash -914626539, now seen corresponding path program 1 times [2021-02-19 17:09:46,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:46,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456450463] [2021-02-19 17:09:46,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:46,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:46,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:46,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:46,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:46,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:46,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:46,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:46,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:46,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:46,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:46,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:46,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:46,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:46,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,224 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:47,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:47,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:09:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 17:09:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-19 17:09:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:47,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-19 17:09:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:47,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:47,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 17:09:47,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456450463] [2021-02-19 17:09:47,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:47,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 17:09:47,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650707791] [2021-02-19 17:09:47,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 17:09:47,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:47,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 17:09:47,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 17:09:47,384 INFO L87 Difference]: Start difference. First operand 190 states and 228 transitions. Second operand 8 states. [2021-02-19 17:09:47,920 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:09:48,744 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:49,518 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:49,925 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:50,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:09:50,108 INFO L93 Difference]: Finished difference Result 364 states and 466 transitions. [2021-02-19 17:09:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 17:09:50,109 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2021-02-19 17:09:50,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:09:50,111 INFO L225 Difference]: With dead ends: 364 [2021-02-19 17:09:50,111 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:09:50,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 17:09:50,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:09:50,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:09:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:09:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:09:50,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2021-02-19 17:09:50,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:09:50,115 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:09:50,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 17:09:50,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:09:50,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:09:50,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:09:50,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:09:51,987 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:09:52,234 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:09:52,479 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:09:52,771 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:09:53,052 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:09:53,305 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:09:53,558 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:09:53,801 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:09:54,126 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:54,409 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:09:54,670 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:09:54,906 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:09:55,443 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2021-02-19 17:09:55,735 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:09:56,271 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:09:56,539 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 17:09:57,103 WARN L202 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:09:57,408 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:09:57,646 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2021-02-19 17:09:58,170 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:09:58,460 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:09:58,464 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:09:58,464 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:09:58,464 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:09:58,464 INFO L189 CegarLoopUtils]: For program point L129(line 129) no Hoare annotation was computed. [2021-02-19 17:09:58,464 INFO L189 CegarLoopUtils]: For program point L128-2(lines 128 149) no Hoare annotation was computed. [2021-02-19 17:09:58,465 INFO L189 CegarLoopUtils]: For program point L150(lines 127 151) no Hoare annotation was computed. [2021-02-19 17:09:58,465 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 103 158) no Hoare annotation was computed. [2021-02-19 17:09:58,465 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 103 158) no Hoare annotation was computed. [2021-02-19 17:09:58,465 INFO L189 CegarLoopUtils]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-02-19 17:09:58,465 INFO L189 CegarLoopUtils]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2021-02-19 17:09:58,466 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 103 158) no Hoare annotation was computed. [2021-02-19 17:09:58,466 INFO L189 CegarLoopUtils]: For program point L191(lines 191 195) no Hoare annotation was computed. [2021-02-19 17:09:58,466 INFO L189 CegarLoopUtils]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2021-02-19 17:09:58,466 INFO L189 CegarLoopUtils]: For program point L186(line 186) no Hoare annotation was computed. [2021-02-19 17:09:58,466 INFO L189 CegarLoopUtils]: For program point L185-2(lines 185 210) no Hoare annotation was computed. [2021-02-19 17:09:58,466 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 159 218) no Hoare annotation was computed. [2021-02-19 17:09:58,466 INFO L189 CegarLoopUtils]: For program point L211(lines 184 212) no Hoare annotation was computed. [2021-02-19 17:09:58,466 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 159 218) no Hoare annotation was computed. [2021-02-19 17:09:58,466 INFO L189 CegarLoopUtils]: For program point L204(line 204) no Hoare annotation was computed. [2021-02-19 17:09:58,467 INFO L189 CegarLoopUtils]: For program point L204-1(line 204) no Hoare annotation was computed. [2021-02-19 17:09:58,467 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 159 218) no Hoare annotation was computed. [2021-02-19 17:09:58,467 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 541 547) the Hoare annotation is: true [2021-02-19 17:09:58,467 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 541 547) no Hoare annotation was computed. [2021-02-19 17:09:58,467 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 548 556) no Hoare annotation was computed. [2021-02-19 17:09:58,467 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 548 556) the Hoare annotation is: true [2021-02-19 17:09:58,467 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 548 556) no Hoare annotation was computed. [2021-02-19 17:09:58,468 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 761 768) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-19 17:09:58,468 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 761 768) no Hoare annotation was computed. [2021-02-19 17:09:58,468 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 761 768) no Hoare annotation was computed. [2021-02-19 17:09:58,468 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 769 778) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2021-02-19 17:09:58,468 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 769 778) no Hoare annotation was computed. [2021-02-19 17:09:58,468 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 769 778) no Hoare annotation was computed. [2021-02-19 17:09:58,468 INFO L189 CegarLoopUtils]: For program point L774(line 774) no Hoare annotation was computed. [2021-02-19 17:09:58,468 INFO L185 CegarLoopUtils]: At program point L794(line 794) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 17:09:58,469 INFO L189 CegarLoopUtils]: For program point L792(lines 792 798) no Hoare annotation was computed. [2021-02-19 17:09:58,469 INFO L189 CegarLoopUtils]: For program point L791(lines 791 801) no Hoare annotation was computed. [2021-02-19 17:09:58,469 INFO L192 CegarLoopUtils]: At program point L789(line 789) the Hoare annotation is: true [2021-02-19 17:09:58,469 INFO L189 CegarLoopUtils]: For program point L789-1(line 789) no Hoare annotation was computed. [2021-02-19 17:09:58,469 INFO L189 CegarLoopUtils]: For program point L787(lines 787 804) no Hoare annotation was computed. [2021-02-19 17:09:58,469 INFO L189 CegarLoopUtils]: For program point L787-1(lines 779 807) no Hoare annotation was computed. [2021-02-19 17:09:58,469 INFO L192 CegarLoopUtils]: At program point L785(line 785) the Hoare annotation is: true [2021-02-19 17:09:58,469 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 779 807) the Hoare annotation is: true [2021-02-19 17:09:58,469 INFO L189 CegarLoopUtils]: For program point L785-1(line 785) no Hoare annotation was computed. [2021-02-19 17:09:58,470 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 779 807) no Hoare annotation was computed. [2021-02-19 17:09:58,470 INFO L185 CegarLoopUtils]: At program point L511(line 511) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:09:58,470 INFO L185 CegarLoopUtils]: At program point L511-1(line 511) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:09:58,470 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 499 521) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:09:58,470 INFO L189 CegarLoopUtils]: For program point L509(lines 509 516) no Hoare annotation was computed. [2021-02-19 17:09:58,470 INFO L189 CegarLoopUtils]: For program point L509-1(lines 509 516) no Hoare annotation was computed. [2021-02-19 17:09:58,470 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2021-02-19 17:09:58,471 INFO L185 CegarLoopUtils]: At program point L506(line 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:09:58,471 INFO L185 CegarLoopUtils]: At program point L505(line 505) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:09:58,471 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 499 521) no Hoare annotation was computed. [2021-02-19 17:09:58,471 INFO L185 CegarLoopUtils]: At program point L505-1(line 505) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:09:58,471 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 499 521) no Hoare annotation was computed. [2021-02-19 17:09:58,471 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 452 475) no Hoare annotation was computed. [2021-02-19 17:09:58,471 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 452 475) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 452 475) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point L469(line 469) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point L466(line 466) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point L463(line 463) no Hoare annotation was computed. [2021-02-19 17:09:58,472 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2021-02-19 17:09:58,473 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2021-02-19 17:09:58,473 INFO L189 CegarLoopUtils]: For program point L460(line 460) no Hoare annotation was computed. [2021-02-19 17:09:58,473 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2021-02-19 17:09:58,473 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2021-02-19 17:09:58,473 INFO L189 CegarLoopUtils]: For program point L457(line 457) no Hoare annotation was computed. [2021-02-19 17:09:58,473 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 676 690) no Hoare annotation was computed. [2021-02-19 17:09:58,473 INFO L185 CegarLoopUtils]: At program point L682(line 682) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 17:09:58,473 INFO L189 CegarLoopUtils]: For program point L680(lines 680 686) no Hoare annotation was computed. [2021-02-19 17:09:58,474 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 676 690) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 17:09:58,474 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 676 690) no Hoare annotation was computed. [2021-02-19 17:09:58,474 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2021-02-19 17:09:58,474 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2021-02-19 17:09:58,474 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2021-02-19 17:09:58,474 INFO L189 CegarLoopUtils]: For program point L670(line 670) no Hoare annotation was computed. [2021-02-19 17:09:58,474 INFO L189 CegarLoopUtils]: For program point L670-1(line 670) no Hoare annotation was computed. [2021-02-19 17:09:58,474 INFO L189 CegarLoopUtils]: For program point L659(lines 659 667) no Hoare annotation was computed. [2021-02-19 17:09:58,474 INFO L189 CegarLoopUtils]: For program point L659-2(lines 659 667) no Hoare annotation was computed. [2021-02-19 17:09:58,474 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 640 675) no Hoare annotation was computed. [2021-02-19 17:09:58,475 INFO L189 CegarLoopUtils]: For program point L647(lines 647 655) no Hoare annotation was computed. [2021-02-19 17:09:58,475 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 640 675) no Hoare annotation was computed. [2021-02-19 17:09:58,475 INFO L189 CegarLoopUtils]: For program point L647-2(lines 647 655) no Hoare annotation was computed. [2021-02-19 17:09:58,475 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 640 675) no Hoare annotation was computed. [2021-02-19 17:09:58,475 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 534 540) no Hoare annotation was computed. [2021-02-19 17:09:58,475 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 534 540) the Hoare annotation is: true [2021-02-19 17:09:58,475 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 57 102) no Hoare annotation was computed. [2021-02-19 17:09:58,475 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 57 102) no Hoare annotation was computed. [2021-02-19 17:09:58,475 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 57 102) no Hoare annotation was computed. [2021-02-19 17:09:58,476 INFO L189 CegarLoopUtils]: For program point L384(lines 384 404) no Hoare annotation was computed. [2021-02-19 17:09:58,476 INFO L189 CegarLoopUtils]: For program point L384-1(lines 384 404) no Hoare annotation was computed. [2021-02-19 17:09:58,476 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 370 415) no Hoare annotation was computed. [2021-02-19 17:09:58,476 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 370 415) no Hoare annotation was computed. [2021-02-19 17:09:58,476 INFO L189 CegarLoopUtils]: For program point L390(lines 390 397) no Hoare annotation was computed. [2021-02-19 17:09:58,476 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 370 415) no Hoare annotation was computed. [2021-02-19 17:09:58,476 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 485 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:09:58,476 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 485 495) no Hoare annotation was computed. [2021-02-19 17:09:58,476 INFO L185 CegarLoopUtils]: At program point L490(line 490) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2021-02-19 17:09:58,477 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 485 495) no Hoare annotation was computed. [2021-02-19 17:09:58,477 INFO L189 CegarLoopUtils]: For program point L625(line 625) no Hoare annotation was computed. [2021-02-19 17:09:58,477 INFO L189 CegarLoopUtils]: For program point L625-1(line 625) no Hoare annotation was computed. [2021-02-19 17:09:58,477 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 620 630) no Hoare annotation was computed. [2021-02-19 17:09:58,477 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2021-02-19 17:09:58,477 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2021-02-19 17:09:58,477 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: true [2021-02-19 17:09:58,477 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2021-02-19 17:09:58,477 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2021-02-19 17:09:58,478 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 597 603) no Hoare annotation was computed. [2021-02-19 17:09:58,478 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 597 603) the Hoare annotation is: true [2021-02-19 17:09:58,478 INFO L189 CegarLoopUtils]: For program point L704(lines 704 708) no Hoare annotation was computed. [2021-02-19 17:09:58,478 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 692 757) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:09:58,478 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 692 757) no Hoare annotation was computed. [2021-02-19 17:09:58,478 INFO L185 CegarLoopUtils]: At program point L750(lines 701 751) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:09:58,478 INFO L185 CegarLoopUtils]: At program point L740(line 740) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:09:58,478 INFO L189 CegarLoopUtils]: For program point L738(lines 738 744) no Hoare annotation was computed. [2021-02-19 17:09:58,479 INFO L185 CegarLoopUtils]: At program point L738-1(lines 732 745) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:09:58,479 INFO L189 CegarLoopUtils]: For program point L703(lines 702 749) no Hoare annotation was computed. [2021-02-19 17:09:58,479 INFO L189 CegarLoopUtils]: For program point L732(lines 732 745) no Hoare annotation was computed. [2021-02-19 17:09:58,479 INFO L185 CegarLoopUtils]: At program point L724(line 724) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:09:58,479 INFO L189 CegarLoopUtils]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-02-19 17:09:58,479 INFO L189 CegarLoopUtils]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2021-02-19 17:09:58,479 INFO L185 CegarLoopUtils]: At program point L747(lines 702 749) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:09:58,479 INFO L185 CegarLoopUtils]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point L712(lines 712 718) no Hoare annotation was computed. [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 692 757) no Hoare annotation was computed. [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 324 369) no Hoare annotation was computed. [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point L344(lines 344 351) no Hoare annotation was computed. [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 324 369) no Hoare annotation was computed. [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point L338(lines 338 358) no Hoare annotation was computed. [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point L338-1(lines 338 358) no Hoare annotation was computed. [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 324 369) no Hoare annotation was computed. [2021-02-19 17:09:58,480 INFO L189 CegarLoopUtils]: For program point L864(lines 864 872) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L864-2(lines 864 872) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 856 878) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 856 878) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 856 878) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 221 323) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L250(lines 250 266) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L310(lines 310 317) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L271(lines 270 290) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L302(line 302) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L302-1(line 302) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L267(lines 267 308) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 221 323) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L286(line 286) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L286-1(line 286) no Hoare annotation was computed. [2021-02-19 17:09:58,481 INFO L189 CegarLoopUtils]: For program point L245(lines 245 249) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L189 CegarLoopUtils]: For program point L309(lines 309 320) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 221 323) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L189 CegarLoopUtils]: For program point L272(lines 272 276) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L189 CegarLoopUtils]: For program point L270-2(lines 270 290) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L189 CegarLoopUtils]: For program point L291(lines 269 292) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 524 533) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 524 533) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 524 533) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:09:58,482 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#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~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 604 611) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 879 887) the Hoare annotation is: true [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 879 887) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 879 887) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 835 846) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point L839-1(lines 835 846) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 835 846) no Hoare annotation was computed. [2021-02-19 17:09:58,483 INFO L189 CegarLoopUtils]: For program point L577(lines 573 595) no Hoare annotation was computed. [2021-02-19 17:09:58,484 INFO L189 CegarLoopUtils]: For program point L575(lines 573 595) no Hoare annotation was computed. [2021-02-19 17:09:58,484 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 570 596) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2021-02-19 17:09:58,484 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 570 596) no Hoare annotation was computed. [2021-02-19 17:09:58,484 INFO L185 CegarLoopUtils]: At program point L586(line 586) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2021-02-19 17:09:58,484 INFO L192 CegarLoopUtils]: At program point L584(lines 584 590) the Hoare annotation is: true [2021-02-19 17:09:58,484 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 570 596) no Hoare annotation was computed. [2021-02-19 17:09:58,484 INFO L185 CegarLoopUtils]: At program point L579(line 579) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 17:09:58,484 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 419 448) no Hoare annotation was computed. [2021-02-19 17:09:58,484 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 419 448) the Hoare annotation is: true [2021-02-19 17:09:58,484 INFO L192 CegarLoopUtils]: At program point L444(lines 419 448) the Hoare annotation is: true [2021-02-19 17:09:58,485 INFO L189 CegarLoopUtils]: For program point L440(line 440) no Hoare annotation was computed. [2021-02-19 17:09:58,485 INFO L189 CegarLoopUtils]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-02-19 17:09:58,485 INFO L192 CegarLoopUtils]: At program point L433-1(lines 433 437) the Hoare annotation is: true [2021-02-19 17:09:58,485 INFO L189 CegarLoopUtils]: For program point L430(line 430) no Hoare annotation was computed. [2021-02-19 17:09:58,485 INFO L192 CegarLoopUtils]: At program point L429-2(lines 429 443) the Hoare annotation is: true [2021-02-19 17:09:58,485 INFO L192 CegarLoopUtils]: At program point L425(line 425) the Hoare annotation is: true [2021-02-19 17:09:58,485 INFO L189 CegarLoopUtils]: For program point L425-1(line 425) no Hoare annotation was computed. [2021-02-19 17:09:58,485 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalENTRY(lines 847 855) no Hoare annotation was computed. [2021-02-19 17:09:58,485 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 847 855) no Hoare annotation was computed. [2021-02-19 17:09:58,486 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 847 855) no Hoare annotation was computed. [2021-02-19 17:09:58,486 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 811 822) the Hoare annotation is: true [2021-02-19 17:09:58,486 INFO L189 CegarLoopUtils]: For program point L815-1(lines 811 822) no Hoare annotation was computed. [2021-02-19 17:09:58,486 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 811 822) no Hoare annotation was computed. [2021-02-19 17:09:58,486 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 476 482) no Hoare annotation was computed. [2021-02-19 17:09:58,486 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 476 482) the Hoare annotation is: true [2021-02-19 17:09:58,486 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:09:58,486 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-19 17:09:58,486 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:09:58,486 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:09:58,487 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 823 834) no Hoare annotation was computed. [2021-02-19 17:09:58,487 INFO L189 CegarLoopUtils]: For program point L827-1(lines 823 834) no Hoare annotation was computed. [2021-02-19 17:09:58,487 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 823 834) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 17:09:58,487 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2021-02-19 17:09:58,487 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-02-19 17:09:58,487 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2021-02-19 17:09:58,487 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2021-02-19 17:09:58,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:09:58 BoogieIcfgContainer [2021-02-19 17:09:58,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:09:58,505 INFO L168 Benchmark]: Toolchain (without parser) took 22997.96 ms. Allocated memory was 163.6 MB in the beginning and 302.0 MB in the end (delta: 138.4 MB). Free memory was 134.9 MB in the beginning and 115.7 MB in the end (delta: 19.2 MB). Peak memory consumption was 176.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:09:58,505 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 163.6 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:09:58,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.15 ms. Allocated memory is still 163.6 MB. Free memory was 133.9 MB in the beginning and 113.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 17:09:58,506 INFO L168 Benchmark]: Boogie Preprocessor took 82.80 ms. Allocated memory is still 163.6 MB. Free memory was 113.9 MB in the beginning and 110.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:09:58,507 INFO L168 Benchmark]: RCFGBuilder took 1321.03 ms. Allocated memory is still 163.6 MB. Free memory was 109.7 MB in the beginning and 106.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:09:58,507 INFO L168 Benchmark]: TraceAbstraction took 20879.09 ms. Allocated memory was 163.6 MB in the beginning and 302.0 MB in the end (delta: 138.4 MB). Free memory was 105.5 MB in the beginning and 115.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 145.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:09:58,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 163.6 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 693.15 ms. Allocated memory is still 163.6 MB. Free memory was 133.9 MB in the beginning and 113.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 82.80 ms. Allocated memory is still 163.6 MB. Free memory was 113.9 MB in the beginning and 110.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1321.03 ms. Allocated memory is still 163.6 MB. Free memory was 109.7 MB in the beginning and 106.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20879.09 ms. Allocated memory was 163.6 MB in the beginning and 302.0 MB in the end (delta: 138.4 MB). Free memory was 105.5 MB in the beginning and 115.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 145.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: 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: 429]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 362 SDtfs, 522 SDslu, 350 SDs, 0 SdLazy, 1209 SolverSat, 328 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 110 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 216 PreInvPairs, 253 NumberOfFragments, 624 HoareAnnotationTreeSize, 216 FomulaSimplifications, 17149 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 47 FomulaSimplificationsInter, 9243 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 76057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...