/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:57:17,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:57:17,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:57:17,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:57:17,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:57:17,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:57:17,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:57:17,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:57:17,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:57:17,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:57:17,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:57:17,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:57:17,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:57:17,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:57:17,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:57:17,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:57:17,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:57:17,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:57:17,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:57:17,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:57:17,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:57:17,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:57:17,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:57:17,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:57:17,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:57:17,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:57:17,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:57:17,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:57:17,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:57:17,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:57:17,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:57:17,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:57:17,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:57:17,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:57:17,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:57:17,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:57:17,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:57:17,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:57:17,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:57:17,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:57:17,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:57:17,967 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 16:57:17,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:57:17,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:57:17,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:57:17,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:57:17,996 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:57:17,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:57:17,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:57:17,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:57:17,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:57:17,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:57:17,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:57:17,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:57:18,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:57:18,000 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:57:18,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:57:18,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:57:18,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:57:18,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:57:18,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:57:18,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:57:18,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:57:18,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:57:18,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:57:18,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:57:18,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:57:18,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:57:18,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:57:18,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:57:18,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:57:18,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:57:18,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:57:18,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:57:18,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:57:18,415 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:57:18,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2021-02-19 16:57:18,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05df44f1b/3e8d49ba7c934d2a9353928ecbaeefab/FLAG11bf3179a [2021-02-19 16:57:19,211 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:57:19,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2021-02-19 16:57:19,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05df44f1b/3e8d49ba7c934d2a9353928ecbaeefab/FLAG11bf3179a [2021-02-19 16:57:19,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05df44f1b/3e8d49ba7c934d2a9353928ecbaeefab [2021-02-19 16:57:19,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:57:19,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:57:19,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:19,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:57:19,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:57:19,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:19" (1/1) ... [2021-02-19 16:57:19,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c35ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:19, skipping insertion in model container [2021-02-19 16:57:19,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:19" (1/1) ... [2021-02-19 16:57:19,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:57:19,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:57:19,837 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c[1817,1830] [2021-02-19 16:57:19,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:20,007 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:57:20,025 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c[1817,1830] [2021-02-19 16:57:20,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:20,130 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:57:20,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20 WrapperNode [2021-02-19 16:57:20,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:20,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:57:20,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:57:20,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:57:20,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20" (1/1) ... [2021-02-19 16:57:20,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20" (1/1) ... [2021-02-19 16:57:20,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20" (1/1) ... [2021-02-19 16:57:20,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20" (1/1) ... [2021-02-19 16:57:20,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20" (1/1) ... [2021-02-19 16:57:20,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20" (1/1) ... [2021-02-19 16:57:20,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20" (1/1) ... [2021-02-19 16:57:20,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:57:20,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:57:20,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:57:20,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:57:20,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:57:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:57:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:57:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:57:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:57:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:57:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:57:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:57:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:57:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:57:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:57:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:57:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:57:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:57:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:57:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 16:57:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:57:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:57:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:57:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:57:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:57:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:57:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:57:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:57:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:57:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:57:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 16:57:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:57:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 16:57:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:57:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:57:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:57:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:57:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:57:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 16:57:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 16:57:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:57:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:57:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:57:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:57:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:57:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:57:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:57:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:57:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:57:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:57:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:57:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:57:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:57:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:57:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:57:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:57:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:57:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 16:57:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:57:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:57:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:57:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:57:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:57:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:57:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:57:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:57:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:57:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:57:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:57:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:57:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:57:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:57:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:57:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:57:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:57:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:57:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:57:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:57:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 16:57:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:57:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:57:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:57:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 16:57:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 16:57:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 16:57:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:57:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:57:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:57:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:57:21,628 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:57:21,629 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:57:21,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:21 BoogieIcfgContainer [2021-02-19 16:57:21,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:57:21,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:57:21,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:57:21,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:57:21,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:57:19" (1/3) ... [2021-02-19 16:57:21,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c645085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:21, skipping insertion in model container [2021-02-19 16:57:21,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:20" (2/3) ... [2021-02-19 16:57:21,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c645085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:21, skipping insertion in model container [2021-02-19 16:57:21,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:21" (3/3) ... [2021-02-19 16:57:21,648 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2021-02-19 16:57:21,656 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:57:21,662 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:57:21,682 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:57:21,728 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:57:21,730 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:57:21,730 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:57:21,730 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:57:21,731 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:57:21,731 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:57:21,732 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:57:21,732 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:57:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2021-02-19 16:57:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:57:21,773 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:21,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:21,774 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:21,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:21,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1167074943, now seen corresponding path program 1 times [2021-02-19 16:57:21,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:21,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466419234] [2021-02-19 16:57:21,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:22,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:22,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:22,617 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:22,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:22,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:22,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:22,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:22,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:22,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:22,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:22,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:22,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:22,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:22,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:57:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:22,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:22,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:57:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:22,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:22,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466419234] [2021-02-19 16:57:22,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:22,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:57:22,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757804510] [2021-02-19 16:57:22,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:57:22,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:22,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:57:22,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:57:22,754 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2021-02-19 16:57:24,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:24,024 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2021-02-19 16:57:24,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:57:24,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:57:24,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:24,042 INFO L225 Difference]: With dead ends: 261 [2021-02-19 16:57:24,043 INFO L226 Difference]: Without dead ends: 142 [2021-02-19 16:57:24,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:57:24,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-02-19 16:57:24,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2021-02-19 16:57:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2021-02-19 16:57:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2021-02-19 16:57:24,172 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2021-02-19 16:57:24,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:24,173 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2021-02-19 16:57:24,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:57:24,173 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2021-02-19 16:57:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:57:24,178 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:24,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:24,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:57:24,179 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:24,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:24,180 INFO L82 PathProgramCache]: Analyzing trace with hash -430587173, now seen corresponding path program 1 times [2021-02-19 16:57:24,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:24,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811253721] [2021-02-19 16:57:24,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:24,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,602 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:57:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:57:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:24,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:24,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:24,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811253721] [2021-02-19 16:57:24,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:24,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:57:24,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807991035] [2021-02-19 16:57:24,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:57:24,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:24,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:57:24,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:57:24,660 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2021-02-19 16:57:25,214 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:25,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:25,951 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2021-02-19 16:57:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:57:25,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:57:25,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:25,959 INFO L225 Difference]: With dead ends: 188 [2021-02-19 16:57:25,960 INFO L226 Difference]: Without dead ends: 126 [2021-02-19 16:57:25,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:57:25,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-02-19 16:57:26,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2021-02-19 16:57:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-02-19 16:57:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2021-02-19 16:57:26,024 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2021-02-19 16:57:26,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:26,024 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2021-02-19 16:57:26,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:57:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2021-02-19 16:57:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:57:26,035 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:26,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:26,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:57:26,038 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:26,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:26,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1571829908, now seen corresponding path program 1 times [2021-02-19 16:57:26,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:26,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399582359] [2021-02-19 16:57:26,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:26,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:26,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:26,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:26,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:26,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:26,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:26,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,530 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:26,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:57:26,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,596 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:57:26,597 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:57:26,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:57:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:57:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:26,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399582359] [2021-02-19 16:57:26,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:26,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:26,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314488179] [2021-02-19 16:57:26,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:26,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:26,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:26,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:26,640 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2021-02-19 16:57:27,163 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:27,619 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:27,937 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:28,359 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:29,310 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:30,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:30,905 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2021-02-19 16:57:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:57:30,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-19 16:57:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:30,909 INFO L225 Difference]: With dead ends: 351 [2021-02-19 16:57:30,909 INFO L226 Difference]: Without dead ends: 274 [2021-02-19 16:57:30,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:57:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-02-19 16:57:30,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2021-02-19 16:57:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2021-02-19 16:57:30,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2021-02-19 16:57:30,993 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2021-02-19 16:57:30,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:30,994 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2021-02-19 16:57:30,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2021-02-19 16:57:30,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-02-19 16:57:30,995 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:30,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:30,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:57:30,996 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:30,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:30,996 INFO L82 PathProgramCache]: Analyzing trace with hash -895924712, now seen corresponding path program 1 times [2021-02-19 16:57:30,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:30,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932913791] [2021-02-19 16:57:30,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:31,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:31,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:31,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:31,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:31,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:31,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:31,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:31,439 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:31,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:31,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:31,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:31,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:31,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:31,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:31,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:31,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:31,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:31,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:31,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:57:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:31,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:31,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:57:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:31,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:31,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 16:57:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:31,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:31,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:31,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932913791] [2021-02-19 16:57:31,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:31,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:31,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248720364] [2021-02-19 16:57:31,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:31,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:31,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:31,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:31,532 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 8 states. [2021-02-19 16:57:32,081 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:33,372 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:33,829 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:34,238 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:34,606 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:35,061 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:35,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:35,934 INFO L93 Difference]: Finished difference Result 710 states and 931 transitions. [2021-02-19 16:57:35,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:57:35,935 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2021-02-19 16:57:35,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:35,944 INFO L225 Difference]: With dead ends: 710 [2021-02-19 16:57:35,944 INFO L226 Difference]: Without dead ends: 514 [2021-02-19 16:57:35,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:57:35,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2021-02-19 16:57:36,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 395. [2021-02-19 16:57:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2021-02-19 16:57:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 482 transitions. [2021-02-19 16:57:36,072 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 482 transitions. Word has length 57 [2021-02-19 16:57:36,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:36,072 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 482 transitions. [2021-02-19 16:57:36,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:36,073 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 482 transitions. [2021-02-19 16:57:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-19 16:57:36,074 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:36,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:36,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:57:36,075 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:36,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:36,076 INFO L82 PathProgramCache]: Analyzing trace with hash 213085276, now seen corresponding path program 1 times [2021-02-19 16:57:36,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:36,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328467272] [2021-02-19 16:57:36,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:36,507 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:36,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:36,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:36,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:36,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:36,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:57:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:36,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:57:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 16:57:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:36,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-19 16:57:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:36,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:36,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:36,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328467272] [2021-02-19 16:57:36,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:36,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:57:36,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4686961] [2021-02-19 16:57:36,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:57:36,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:36,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:57:36,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:57:36,678 INFO L87 Difference]: Start difference. First operand 395 states and 482 transitions. Second operand 9 states. [2021-02-19 16:57:37,217 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:38,319 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:38,726 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:39,090 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:39,511 INFO L93 Difference]: Finished difference Result 725 states and 942 transitions. [2021-02-19 16:57:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 16:57:39,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2021-02-19 16:57:39,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:39,513 INFO L225 Difference]: With dead ends: 725 [2021-02-19 16:57:39,513 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:57:39,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-02-19 16:57:39,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:57:39,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:57:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:57:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:57:39,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-02-19 16:57:39,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:39,517 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:57:39,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:57:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:57:39,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:57:39,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:57:39,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:57:40,724 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 6 [2021-02-19 16:57:42,984 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:43,477 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-19 16:57:43,748 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:44,013 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-19 16:57:44,326 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-19 16:57:44,694 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:45,240 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:45,517 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:45,753 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 16:57:46,286 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-19 16:57:46,568 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:47,130 WARN L202 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:47,676 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:47,960 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:48,236 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:48,518 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:48,792 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:49,313 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-19 16:57:49,612 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:49,886 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:50,411 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:50,712 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:51,506 WARN L202 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 14 [2021-02-19 16:57:51,511 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:51,512 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:51,512 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:51,512 INFO L189 CegarLoopUtils]: For program point L410(lines 387 411) no Hoare annotation was computed. [2021-02-19 16:57:51,512 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 363 418) no Hoare annotation was computed. [2021-02-19 16:57:51,512 INFO L189 CegarLoopUtils]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-02-19 16:57:51,512 INFO L189 CegarLoopUtils]: For program point L394-1(lines 394 398) no Hoare annotation was computed. [2021-02-19 16:57:51,513 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 363 418) no Hoare annotation was computed. [2021-02-19 16:57:51,513 INFO L189 CegarLoopUtils]: For program point L389(line 389) no Hoare annotation was computed. [2021-02-19 16:57:51,513 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 363 418) no Hoare annotation was computed. [2021-02-19 16:57:51,513 INFO L189 CegarLoopUtils]: For program point L388-2(lines 388 409) no Hoare annotation was computed. [2021-02-19 16:57:51,513 INFO L189 CegarLoopUtils]: For program point L446(line 446) no Hoare annotation was computed. [2021-02-19 16:57:51,513 INFO L189 CegarLoopUtils]: For program point L445-2(lines 445 470) no Hoare annotation was computed. [2021-02-19 16:57:51,513 INFO L189 CegarLoopUtils]: For program point L471(lines 444 472) no Hoare annotation was computed. [2021-02-19 16:57:51,513 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 419 478) no Hoare annotation was computed. [2021-02-19 16:57:51,514 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2021-02-19 16:57:51,514 INFO L189 CegarLoopUtils]: For program point L464-1(line 464) no Hoare annotation was computed. [2021-02-19 16:57:51,514 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 419 478) no Hoare annotation was computed. [2021-02-19 16:57:51,514 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 419 478) no Hoare annotation was computed. [2021-02-19 16:57:51,514 INFO L189 CegarLoopUtils]: For program point L451(lines 451 455) no Hoare annotation was computed. [2021-02-19 16:57:51,514 INFO L189 CegarLoopUtils]: For program point L451-1(lines 451 455) no Hoare annotation was computed. [2021-02-19 16:57:51,515 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2021-02-19 16:57:51,515 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2021-02-19 16:57:51,515 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:57:51,515 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2021-02-19 16:57:51,515 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:57:51,515 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 287 309) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:51,516 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 287 309) no Hoare annotation was computed. [2021-02-19 16:57:51,516 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 287 309) no Hoare annotation was computed. [2021-02-19 16:57:51,516 INFO L185 CegarLoopUtils]: At program point L299(line 299) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0))) [2021-02-19 16:57:51,516 INFO L185 CegarLoopUtils]: At program point L299-1(line 299) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0))) [2021-02-19 16:57:51,516 INFO L189 CegarLoopUtils]: For program point L297(lines 297 304) no Hoare annotation was computed. [2021-02-19 16:57:51,516 INFO L189 CegarLoopUtils]: For program point L297-1(lines 297 304) no Hoare annotation was computed. [2021-02-19 16:57:51,516 INFO L189 CegarLoopUtils]: For program point L295(line 295) no Hoare annotation was computed. [2021-02-19 16:57:51,517 INFO L185 CegarLoopUtils]: At program point L294(line 294) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:51,517 INFO L185 CegarLoopUtils]: At program point L293(line 293) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:51,517 INFO L185 CegarLoopUtils]: At program point L293-1(line 293) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:51,517 INFO L189 CegarLoopUtils]: For program point L257(line 257) no Hoare annotation was computed. [2021-02-19 16:57:51,517 INFO L189 CegarLoopUtils]: For program point L256(line 256) no Hoare annotation was computed. [2021-02-19 16:57:51,517 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 245 268) no Hoare annotation was computed. [2021-02-19 16:57:51,517 INFO L189 CegarLoopUtils]: For program point L255(line 255) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point L254(line 254) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point L253(line 253) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 245 268) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point L252(line 252) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 245 268) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point L251(line 251) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point L250(line 250) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point L263(line 263) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point L262(line 262) no Hoare annotation was computed. [2021-02-19 16:57:51,518 INFO L189 CegarLoopUtils]: For program point L261(line 261) no Hoare annotation was computed. [2021-02-19 16:57:51,519 INFO L189 CegarLoopUtils]: For program point L260(line 260) no Hoare annotation was computed. [2021-02-19 16:57:51,519 INFO L189 CegarLoopUtils]: For program point L259(line 259) no Hoare annotation was computed. [2021-02-19 16:57:51,519 INFO L189 CegarLoopUtils]: For program point L258(line 258) no Hoare annotation was computed. [2021-02-19 16:57:51,519 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 916 930) no Hoare annotation was computed. [2021-02-19 16:57:51,519 INFO L185 CegarLoopUtils]: At program point L922(line 922) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:51,519 INFO L189 CegarLoopUtils]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-02-19 16:57:51,519 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 916 930) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:51,519 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 916 930) no Hoare annotation was computed. [2021-02-19 16:57:51,519 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 852 860) no Hoare annotation was computed. [2021-02-19 16:57:51,519 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 852 860) the Hoare annotation is: true [2021-02-19 16:57:51,520 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 852 860) no Hoare annotation was computed. [2021-02-19 16:57:51,520 INFO L189 CegarLoopUtils]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-02-19 16:57:51,520 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 897 915) the Hoare annotation is: true [2021-02-19 16:57:51,520 INFO L192 CegarLoopUtils]: At program point L904(line 904) the Hoare annotation is: true [2021-02-19 16:57:51,520 INFO L189 CegarLoopUtils]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2021-02-19 16:57:51,520 INFO L189 CegarLoopUtils]: For program point L904-1(line 904) no Hoare annotation was computed. [2021-02-19 16:57:51,520 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 897 915) no Hoare annotation was computed. [2021-02-19 16:57:51,520 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 897 915) no Hoare annotation was computed. [2021-02-19 16:57:51,520 INFO L189 CegarLoopUtils]: For program point L891(line 891) no Hoare annotation was computed. [2021-02-19 16:57:51,521 INFO L189 CegarLoopUtils]: For program point L891-1(line 891) no Hoare annotation was computed. [2021-02-19 16:57:51,521 INFO L189 CegarLoopUtils]: For program point L880(lines 880 888) no Hoare annotation was computed. [2021-02-19 16:57:51,521 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 861 896) no Hoare annotation was computed. [2021-02-19 16:57:51,521 INFO L189 CegarLoopUtils]: For program point L880-2(lines 880 888) no Hoare annotation was computed. [2021-02-19 16:57:51,521 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 861 896) no Hoare annotation was computed. [2021-02-19 16:57:51,521 INFO L189 CegarLoopUtils]: For program point L868(lines 868 876) no Hoare annotation was computed. [2021-02-19 16:57:51,521 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 861 896) no Hoare annotation was computed. [2021-02-19 16:57:51,521 INFO L189 CegarLoopUtils]: For program point L868-2(lines 868 876) no Hoare annotation was computed. [2021-02-19 16:57:51,521 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2021-02-19 16:57:51,522 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2021-02-19 16:57:51,522 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 317 362) no Hoare annotation was computed. [2021-02-19 16:57:51,522 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 317 362) no Hoare annotation was computed. [2021-02-19 16:57:51,522 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 317 362) no Hoare annotation was computed. [2021-02-19 16:57:51,522 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 630 675) no Hoare annotation was computed. [2021-02-19 16:57:51,522 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 630 675) no Hoare annotation was computed. [2021-02-19 16:57:51,522 INFO L189 CegarLoopUtils]: For program point L650(lines 650 657) no Hoare annotation was computed. [2021-02-19 16:57:51,522 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 630 675) no Hoare annotation was computed. [2021-02-19 16:57:51,522 INFO L189 CegarLoopUtils]: For program point L644(lines 644 664) no Hoare annotation was computed. [2021-02-19 16:57:51,522 INFO L189 CegarLoopUtils]: For program point L644-1(lines 644 664) no Hoare annotation was computed. [2021-02-19 16:57:51,523 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 277 286) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:51,523 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 277 286) no Hoare annotation was computed. [2021-02-19 16:57:51,523 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 277 286) no Hoare annotation was computed. [2021-02-19 16:57:51,523 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 841 851) no Hoare annotation was computed. [2021-02-19 16:57:51,523 INFO L189 CegarLoopUtils]: For program point L846(line 846) no Hoare annotation was computed. [2021-02-19 16:57:51,523 INFO L189 CegarLoopUtils]: For program point L846-1(line 846) no Hoare annotation was computed. [2021-02-19 16:57:51,523 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 841 851) no Hoare annotation was computed. [2021-02-19 16:57:51,523 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 841 851) no Hoare annotation was computed. [2021-02-19 16:57:51,523 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 833 840) the Hoare annotation is: true [2021-02-19 16:57:51,523 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 833 840) no Hoare annotation was computed. [2021-02-19 16:57:51,524 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 833 840) no Hoare annotation was computed. [2021-02-19 16:57:51,524 INFO L185 CegarLoopUtils]: At program point L801(line 801) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:51,524 INFO L189 CegarLoopUtils]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2021-02-19 16:57:51,524 INFO L185 CegarLoopUtils]: At program point L796(line 796) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:51,524 INFO L185 CegarLoopUtils]: At program point L792(line 792) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:51,524 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 782 806) no Hoare annotation was computed. [2021-02-19 16:57:51,524 INFO L189 CegarLoopUtils]: For program point L790(lines 790 798) no Hoare annotation was computed. [2021-02-19 16:57:51,524 INFO L185 CegarLoopUtils]: At program point L788(line 788) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:51,524 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 782 806) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:51,525 INFO L189 CegarLoopUtils]: For program point L788-1(line 788) no Hoare annotation was computed. [2021-02-19 16:57:51,525 INFO L189 CegarLoopUtils]: For program point L786(lines 786 803) no Hoare annotation was computed. [2021-02-19 16:57:51,525 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2021-02-19 16:57:51,525 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2021-02-19 16:57:51,525 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 678 743) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:51,525 INFO L185 CegarLoopUtils]: At program point L733(lines 688 735) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:51,525 INFO L185 CegarLoopUtils]: At program point L700(line 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:51,525 INFO L189 CegarLoopUtils]: For program point L698(lines 698 704) no Hoare annotation was computed. [2021-02-19 16:57:51,525 INFO L189 CegarLoopUtils]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2021-02-19 16:57:51,526 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 678 743) no Hoare annotation was computed. [2021-02-19 16:57:51,526 INFO L189 CegarLoopUtils]: For program point L690(lines 690 694) no Hoare annotation was computed. [2021-02-19 16:57:51,526 INFO L185 CegarLoopUtils]: At program point L736(lines 687 737) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:51,526 INFO L185 CegarLoopUtils]: At program point L726(line 726) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:51,526 INFO L189 CegarLoopUtils]: For program point L724(lines 724 730) no Hoare annotation was computed. [2021-02-19 16:57:51,526 INFO L185 CegarLoopUtils]: At program point L724-1(lines 718 731) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:51,526 INFO L189 CegarLoopUtils]: For program point L689(lines 688 735) no Hoare annotation was computed. [2021-02-19 16:57:51,526 INFO L189 CegarLoopUtils]: For program point L718(lines 718 731) no Hoare annotation was computed. [2021-02-19 16:57:51,526 INFO L185 CegarLoopUtils]: At program point L710(line 710) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point L708(lines 708 714) no Hoare annotation was computed. [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point L708-1(lines 708 714) no Hoare annotation was computed. [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 678 743) no Hoare annotation was computed. [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point L604(lines 604 611) no Hoare annotation was computed. [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 584 629) no Hoare annotation was computed. [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point L598(lines 598 618) no Hoare annotation was computed. [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point L598-1(lines 598 618) no Hoare annotation was computed. [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 584 629) no Hoare annotation was computed. [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 584 629) no Hoare annotation was computed. [2021-02-19 16:57:51,527 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 807 814) no Hoare annotation was computed. [2021-02-19 16:57:51,528 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 807 814) no Hoare annotation was computed. [2021-02-19 16:57:51,528 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 807 814) no Hoare annotation was computed. [2021-02-19 16:57:51,528 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 175 183) no Hoare annotation was computed. [2021-02-19 16:57:51,528 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 175 183) the Hoare annotation is: true [2021-02-19 16:57:51,528 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 175 183) no Hoare annotation was computed. [2021-02-19 16:57:51,528 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 143 165) no Hoare annotation was computed. [2021-02-19 16:57:51,528 INFO L189 CegarLoopUtils]: For program point L151(lines 151 159) no Hoare annotation was computed. [2021-02-19 16:57:51,528 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 143 165) no Hoare annotation was computed. [2021-02-19 16:57:51,528 INFO L189 CegarLoopUtils]: For program point L151-2(lines 151 159) no Hoare annotation was computed. [2021-02-19 16:57:51,528 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 143 165) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 481 583) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point L510(lines 510 526) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point L570(lines 570 577) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point L531(lines 530 550) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point L562(line 562) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point L562-1(line 562) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point L527(lines 527 568) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 481 583) no Hoare annotation was computed. [2021-02-19 16:57:51,529 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2021-02-19 16:57:51,530 INFO L189 CegarLoopUtils]: For program point L546-1(line 546) no Hoare annotation was computed. [2021-02-19 16:57:51,530 INFO L189 CegarLoopUtils]: For program point L505(lines 505 509) no Hoare annotation was computed. [2021-02-19 16:57:51,530 INFO L189 CegarLoopUtils]: For program point L569(lines 569 580) no Hoare annotation was computed. [2021-02-19 16:57:51,530 INFO L189 CegarLoopUtils]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-02-19 16:57:51,530 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 481 583) no Hoare annotation was computed. [2021-02-19 16:57:51,530 INFO L189 CegarLoopUtils]: For program point L530-2(lines 530 550) no Hoare annotation was computed. [2021-02-19 16:57:51,530 INFO L189 CegarLoopUtils]: For program point L551(lines 529 552) no Hoare annotation was computed. [2021-02-19 16:57:51,530 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 816 832) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point L827(line 827) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point L827-1(lines 816 832) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 816 832) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point L823(lines 823 829) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point L821(line 821) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point L821-1(line 821) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 166 174) no Hoare annotation was computed. [2021-02-19 16:57:51,531 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 166 174) no Hoare annotation was computed. [2021-02-19 16:57:51,532 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 166 174) no Hoare annotation was computed. [2021-02-19 16:57:51,532 INFO L189 CegarLoopUtils]: For program point L126-1(lines 122 133) no Hoare annotation was computed. [2021-02-19 16:57:51,532 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 122 133) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:51,532 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 122 133) no Hoare annotation was computed. [2021-02-19 16:57:51,532 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:51,532 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:51,532 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:51,532 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 134 142) the Hoare annotation is: true [2021-02-19 16:57:51,532 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 134 142) no Hoare annotation was computed. [2021-02-19 16:57:51,532 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 134 142) no Hoare annotation was computed. [2021-02-19 16:57:51,533 INFO L185 CegarLoopUtils]: At program point L763(line 763) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:51,533 INFO L185 CegarLoopUtils]: At program point L761(lines 761 767) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:51,533 INFO L185 CegarLoopUtils]: At program point L756(line 756) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:51,533 INFO L189 CegarLoopUtils]: For program point L754(lines 753 772) no Hoare annotation was computed. [2021-02-19 16:57:51,533 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:51,533 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2021-02-19 16:57:51,533 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2021-02-19 16:57:51,533 INFO L189 CegarLoopUtils]: For program point L225(line 225) no Hoare annotation was computed. [2021-02-19 16:57:51,533 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 214 243) no Hoare annotation was computed. [2021-02-19 16:57:51,534 INFO L192 CegarLoopUtils]: At program point L224-2(lines 224 238) the Hoare annotation is: true [2021-02-19 16:57:51,534 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 214 243) the Hoare annotation is: true [2021-02-19 16:57:51,534 INFO L192 CegarLoopUtils]: At program point L220(line 220) the Hoare annotation is: true [2021-02-19 16:57:51,534 INFO L189 CegarLoopUtils]: For program point L220-1(line 220) no Hoare annotation was computed. [2021-02-19 16:57:51,534 INFO L192 CegarLoopUtils]: At program point L239(lines 214 243) the Hoare annotation is: true [2021-02-19 16:57:51,534 INFO L189 CegarLoopUtils]: For program point L235(line 235) no Hoare annotation was computed. [2021-02-19 16:57:51,534 INFO L189 CegarLoopUtils]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-02-19 16:57:51,534 INFO L192 CegarLoopUtils]: At program point L228-1(lines 228 232) the Hoare annotation is: true [2021-02-19 16:57:51,534 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 98 109) the Hoare annotation is: true [2021-02-19 16:57:51,534 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 98 109) no Hoare annotation was computed. [2021-02-19 16:57:51,535 INFO L189 CegarLoopUtils]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2021-02-19 16:57:51,535 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 269 275) no Hoare annotation was computed. [2021-02-19 16:57:51,535 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 269 275) the Hoare annotation is: true [2021-02-19 16:57:51,535 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:51,535 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:57:51,535 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:51,535 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:51,535 INFO L189 CegarLoopUtils]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2021-02-19 16:57:51,535 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 110 121) no Hoare annotation was computed. [2021-02-19 16:57:51,536 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 110 121) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:51,536 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 80 87) no Hoare annotation was computed. [2021-02-19 16:57:51,536 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-02-19 16:57:51,536 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 80 87) the Hoare annotation is: true [2021-02-19 16:57:51,536 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 80 87) no Hoare annotation was computed. [2021-02-19 16:57:51,536 INFO L189 CegarLoopUtils]: For program point L194-1(lines 186 210) no Hoare annotation was computed. [2021-02-19 16:57:51,536 INFO L192 CegarLoopUtils]: At program point L192(line 192) the Hoare annotation is: true [2021-02-19 16:57:51,536 INFO L189 CegarLoopUtils]: For program point L192-1(line 192) no Hoare annotation was computed. [2021-02-19 16:57:51,536 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 186 210) the Hoare annotation is: true [2021-02-19 16:57:51,537 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 186 210) no Hoare annotation was computed. [2021-02-19 16:57:51,537 INFO L185 CegarLoopUtils]: At program point L200(line 200) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:51,537 INFO L189 CegarLoopUtils]: For program point L198(lines 198 204) no Hoare annotation was computed. [2021-02-19 16:57:51,537 INFO L185 CegarLoopUtils]: At program point L196(line 196) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-19 16:57:51,537 INFO L189 CegarLoopUtils]: For program point L196-1(line 196) no Hoare annotation was computed. [2021-02-19 16:57:51,537 INFO L189 CegarLoopUtils]: For program point L194(lines 194 207) no Hoare annotation was computed. [2021-02-19 16:57:51,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:51 BoogieIcfgContainer [2021-02-19 16:57:51,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:51,557 INFO L168 Benchmark]: Toolchain (without parser) took 32042.87 ms. Allocated memory was 151.0 MB in the beginning and 431.0 MB in the end (delta: 280.0 MB). Free memory was 123.9 MB in the beginning and 203.4 MB in the end (delta: -79.5 MB). Peak memory consumption was 254.7 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:51,560 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:51,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.97 ms. Allocated memory is still 151.0 MB. Free memory was 122.9 MB in the beginning and 102.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:51,563 INFO L168 Benchmark]: Boogie Preprocessor took 177.01 ms. Allocated memory is still 151.0 MB. Free memory was 102.3 MB in the beginning and 98.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:51,564 INFO L168 Benchmark]: RCFGBuilder took 1323.37 ms. Allocated memory was 151.0 MB in the beginning and 203.4 MB in the end (delta: 52.4 MB). Free memory was 98.3 MB in the beginning and 181.6 MB in the end (delta: -83.2 MB). Peak memory consumption was 54.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:51,565 INFO L168 Benchmark]: TraceAbstraction took 29917.52 ms. Allocated memory was 203.4 MB in the beginning and 431.0 MB in the end (delta: 227.5 MB). Free memory was 181.0 MB in the beginning and 203.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 258.7 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:51,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 600.97 ms. Allocated memory is still 151.0 MB. Free memory was 122.9 MB in the beginning and 102.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 177.01 ms. Allocated memory is still 151.0 MB. Free memory was 102.3 MB in the beginning and 98.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1323.37 ms. Allocated memory was 151.0 MB in the beginning and 203.4 MB in the end (delta: 52.4 MB). Free memory was 98.3 MB in the beginning and 181.6 MB in the end (delta: -83.2 MB). Peak memory consumption was 54.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 29917.52 ms. Allocated memory was 203.4 MB in the beginning and 431.0 MB in the end (delta: 227.5 MB). Free memory was 181.0 MB in the beginning and 203.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 258.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: 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: 688]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 475 SDtfs, 735 SDslu, 431 SDs, 0 SdLazy, 2050 SolverSat, 451 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 695 HoareAnnotationTreeSize, 468 FomulaSimplifications, 61552 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 18404 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 77880 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...