/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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:36,915 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 16:56:36,968 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:36,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:36,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:36,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:36,971 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:36,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:36,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:36,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:36,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:36,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:36,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:36,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:36,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:36,973 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:36,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:36,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:36,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:36,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:36,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:36,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:36,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:36,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:36,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:36,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:36,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:36,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:36,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:36,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:36,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,403 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2021-02-19 16:56:37,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8504800/c4f346dc0df2418bb0ee0798adf73c25/FLAGbb1b9d047 [2021-02-19 16:56:38,275 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:38,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2021-02-19 16:56:38,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8504800/c4f346dc0df2418bb0ee0798adf73c25/FLAGbb1b9d047 [2021-02-19 16:56:38,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8504800/c4f346dc0df2418bb0ee0798adf73c25 [2021-02-19 16:56:38,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452030ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38, skipping insertion in model container [2021-02-19 16:56:38,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:38,859 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_product13.cil.c[12170,12183] [2021-02-19 16:56:38,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,910 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:38,996 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_product13.cil.c[12170,12183] [2021-02-19 16:56:39,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:39,079 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:39,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39 WrapperNode [2021-02-19 16:56:39,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:39,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:39,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:39,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:39,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:39,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:39,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (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 16:56:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 16:56:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-19 16:56:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,432 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,432 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 16:56:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-19 16:56:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,741 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bc5dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (2/3) ... [2021-02-19 16:56:40,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bc5dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40" (3/3) ... [2021-02-19 16:56:40,754 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2021-02-19 16:56:40,762 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,768 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:40,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:40,872 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:40,873 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:40,873 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:40,873 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:40,873 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:40,874 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:40,875 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:40,875 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2021-02-19 16:56:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:40,918 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:40,920 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 16:56:40,920 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:40,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:40,929 INFO L82 PathProgramCache]: Analyzing trace with hash 621405974, now seen corresponding path program 1 times [2021-02-19 16:56:40,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:40,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190819146] [2021-02-19 16:56:40,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,649 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:41,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,862 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 16:56:41,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190819146] [2021-02-19 16:56:41,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:41,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:41,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702128342] [2021-02-19 16:56:41,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:41,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:41,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:41,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:41,895 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 3 states. [2021-02-19 16:56:43,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:43,183 INFO L93 Difference]: Finished difference Result 237 states and 317 transitions. [2021-02-19 16:56:43,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:43,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:43,199 INFO L225 Difference]: With dead ends: 237 [2021-02-19 16:56:43,199 INFO L226 Difference]: Without dead ends: 129 [2021-02-19 16:56:43,204 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 16:56:43,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-02-19 16:56:43,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2021-02-19 16:56:43,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-02-19 16:56:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2021-02-19 16:56:43,298 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2021-02-19 16:56:43,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:43,298 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2021-02-19 16:56:43,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2021-02-19 16:56:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:43,302 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:43,302 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 16:56:43,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:43,303 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:43,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:43,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1603877029, now seen corresponding path program 1 times [2021-02-19 16:56:43,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:43,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583485378] [2021-02-19 16:56:43,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:43,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,808 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:43,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,883 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 16:56:43,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583485378] [2021-02-19 16:56:43,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:43,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:43,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015543245] [2021-02-19 16:56:43,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:43,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:43,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:43,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:43,887 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 4 states. [2021-02-19 16:56:44,485 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:45,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:45,204 INFO L93 Difference]: Finished difference Result 170 states and 208 transitions. [2021-02-19 16:56:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:45,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:45,208 INFO L225 Difference]: With dead ends: 170 [2021-02-19 16:56:45,208 INFO L226 Difference]: Without dead ends: 113 [2021-02-19 16:56:45,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:56:45,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-02-19 16:56:45,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2021-02-19 16:56:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-02-19 16:56:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2021-02-19 16:56:45,260 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2021-02-19 16:56:45,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:45,261 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-02-19 16:56:45,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-02-19 16:56:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:56:45,263 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:45,263 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 16:56:45,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:45,264 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:45,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:45,264 INFO L82 PathProgramCache]: Analyzing trace with hash -24275199, now seen corresponding path program 1 times [2021-02-19 16:56:45,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:45,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000505121] [2021-02-19 16:56:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:45,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:45,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:45,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:45,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,712 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:45,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:45,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,832 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:56:45,834 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:56:45,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:56:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:56:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,900 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 16:56:45,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000505121] [2021-02-19 16:56:45,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:45,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:45,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824523716] [2021-02-19 16:56:45,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:45,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:45,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:45,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:45,904 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 8 states. [2021-02-19 16:56:46,394 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:46,816 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,217 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,611 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:48,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:48,675 INFO L93 Difference]: Finished difference Result 179 states and 222 transitions. [2021-02-19 16:56:48,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 16:56:48,681 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-19 16:56:48,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:48,684 INFO L225 Difference]: With dead ends: 179 [2021-02-19 16:56:48,684 INFO L226 Difference]: Without dead ends: 113 [2021-02-19 16:56:48,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-19 16:56:48,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-02-19 16:56:48,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2021-02-19 16:56:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-02-19 16:56:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2021-02-19 16:56:48,757 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2021-02-19 16:56:48,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:48,758 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2021-02-19 16:56:48,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:48,758 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2021-02-19 16:56:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 16:56:48,770 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:48,771 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] [2021-02-19 16:56:48,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:48,771 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:48,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:48,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1913482851, now seen corresponding path program 1 times [2021-02-19 16:56:48,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:48,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408743433] [2021-02-19 16:56:48,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,280 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:49,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-19 16:56:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:56:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 16:56:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 16:56:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,406 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 16:56:49,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408743433] [2021-02-19 16:56:49,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:49,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:49,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103945433] [2021-02-19 16:56:49,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:49,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:49,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:49,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:49,414 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 8 states. [2021-02-19 16:56:49,927 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:50,917 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,392 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:52,122 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:52,496 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:53,110 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:53,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:53,636 INFO L93 Difference]: Finished difference Result 279 states and 369 transitions. [2021-02-19 16:56:53,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:56:53,639 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-19 16:56:53,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:53,652 INFO L225 Difference]: With dead ends: 279 [2021-02-19 16:56:53,652 INFO L226 Difference]: Without dead ends: 213 [2021-02-19 16:56:53,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:56:53,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-02-19 16:56:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 147. [2021-02-19 16:56:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2021-02-19 16:56:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2021-02-19 16:56:53,730 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2021-02-19 16:56:53,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:53,731 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2021-02-19 16:56:53,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2021-02-19 16:56:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-19 16:56:53,732 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:53,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:53,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:53,733 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:53,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:53,734 INFO L82 PathProgramCache]: Analyzing trace with hash 752390823, now seen corresponding path program 1 times [2021-02-19 16:56:53,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:53,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157140179] [2021-02-19 16:56:53,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,133 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:54,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:54,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:54,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:56:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 16:56:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 16:56:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:54,241 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 16:56:54,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157140179] [2021-02-19 16:56:54,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:54,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:56:54,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345541094] [2021-02-19 16:56:54,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:56:54,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:54,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:56:54,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:56:54,244 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 9 states. [2021-02-19 16:56:54,788 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:55,862 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,274 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,696 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:56,920 INFO L93 Difference]: Finished difference Result 263 states and 328 transitions. [2021-02-19 16:56:56,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:56,921 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2021-02-19 16:56:56,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:56,922 INFO L225 Difference]: With dead ends: 263 [2021-02-19 16:56:56,922 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:56:56,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:56:56,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:56:56,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:56:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:56:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:56:56,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-02-19 16:56:56,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:56,925 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:56:56,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:56:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:56:56,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:56:56,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:56:56,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:56:59,085 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:56:59,370 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2021-02-19 16:56:59,619 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:00,114 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:00,375 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2021-02-19 16:57:00,877 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:01,149 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:01,394 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:01,665 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:01,927 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:02,213 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:02,486 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:02,810 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:03,078 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:03,610 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:04,171 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:04,726 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2021-02-19 16:57:05,060 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:05,362 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:05,942 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:57:06,024 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:06,024 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:06,024 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:06,025 INFO L189 CegarLoopUtils]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-02-19 16:57:06,025 INFO L189 CegarLoopUtils]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2021-02-19 16:57:06,025 INFO L189 CegarLoopUtils]: For program point L120(line 120) no Hoare annotation was computed. [2021-02-19 16:57:06,025 INFO L189 CegarLoopUtils]: For program point L119-2(lines 119 140) no Hoare annotation was computed. [2021-02-19 16:57:06,025 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 94 149) no Hoare annotation was computed. [2021-02-19 16:57:06,025 INFO L189 CegarLoopUtils]: For program point L141(lines 118 142) no Hoare annotation was computed. [2021-02-19 16:57:06,026 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 94 149) no Hoare annotation was computed. [2021-02-19 16:57:06,026 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 94 149) no Hoare annotation was computed. [2021-02-19 16:57:06,026 INFO L189 CegarLoopUtils]: For program point L182(lines 182 186) no Hoare annotation was computed. [2021-02-19 16:57:06,026 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 150 209) no Hoare annotation was computed. [2021-02-19 16:57:06,026 INFO L189 CegarLoopUtils]: For program point L182-1(lines 182 186) no Hoare annotation was computed. [2021-02-19 16:57:06,027 INFO L189 CegarLoopUtils]: For program point L177(line 177) no Hoare annotation was computed. [2021-02-19 16:57:06,027 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 150 209) no Hoare annotation was computed. [2021-02-19 16:57:06,027 INFO L189 CegarLoopUtils]: For program point L176-2(lines 176 201) no Hoare annotation was computed. [2021-02-19 16:57:06,027 INFO L189 CegarLoopUtils]: For program point L202(lines 175 203) no Hoare annotation was computed. [2021-02-19 16:57:06,027 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 150 209) no Hoare annotation was computed. [2021-02-19 16:57:06,027 INFO L189 CegarLoopUtils]: For program point L195(line 195) no Hoare annotation was computed. [2021-02-19 16:57:06,027 INFO L189 CegarLoopUtils]: For program point L195-1(line 195) no Hoare annotation was computed. [2021-02-19 16:57:06,028 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 524 530) the Hoare annotation is: true [2021-02-19 16:57:06,028 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 524 530) no Hoare annotation was computed. [2021-02-19 16:57:06,028 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 531 539) no Hoare annotation was computed. [2021-02-19 16:57:06,028 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 531 539) the Hoare annotation is: true [2021-02-19 16:57:06,028 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 531 539) no Hoare annotation was computed. [2021-02-19 16:57:06,028 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 616 638) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:06,028 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 616 638) no Hoare annotation was computed. [2021-02-19 16:57:06,028 INFO L185 CegarLoopUtils]: At program point L628(line 628) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,029 INFO L185 CegarLoopUtils]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,029 INFO L189 CegarLoopUtils]: For program point L626(lines 626 633) no Hoare annotation was computed. [2021-02-19 16:57:06,029 INFO L189 CegarLoopUtils]: For program point L626-1(lines 626 633) no Hoare annotation was computed. [2021-02-19 16:57:06,029 INFO L189 CegarLoopUtils]: For program point L624(line 624) no Hoare annotation was computed. [2021-02-19 16:57:06,029 INFO L185 CegarLoopUtils]: At program point L623(line 623) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:06,029 INFO L185 CegarLoopUtils]: At program point L622(line 622) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:06,030 INFO L185 CegarLoopUtils]: At program point L622-1(line 622) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:06,030 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 616 638) no Hoare annotation was computed. [2021-02-19 16:57:06,030 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 574 597) no Hoare annotation was computed. [2021-02-19 16:57:06,030 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 574 597) no Hoare annotation was computed. [2021-02-19 16:57:06,030 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 574 597) no Hoare annotation was computed. [2021-02-19 16:57:06,030 INFO L189 CegarLoopUtils]: For program point L592(line 592) no Hoare annotation was computed. [2021-02-19 16:57:06,030 INFO L189 CegarLoopUtils]: For program point L591(line 591) no Hoare annotation was computed. [2021-02-19 16:57:06,030 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2021-02-19 16:57:06,031 INFO L189 CegarLoopUtils]: For program point L589(line 589) no Hoare annotation was computed. [2021-02-19 16:57:06,031 INFO L189 CegarLoopUtils]: For program point L588(line 588) no Hoare annotation was computed. [2021-02-19 16:57:06,031 INFO L189 CegarLoopUtils]: For program point L587(line 587) no Hoare annotation was computed. [2021-02-19 16:57:06,031 INFO L189 CegarLoopUtils]: For program point L586(line 586) no Hoare annotation was computed. [2021-02-19 16:57:06,031 INFO L189 CegarLoopUtils]: For program point L585(line 585) no Hoare annotation was computed. [2021-02-19 16:57:06,031 INFO L189 CegarLoopUtils]: For program point L584(line 584) no Hoare annotation was computed. [2021-02-19 16:57:06,031 INFO L189 CegarLoopUtils]: For program point L583(line 583) no Hoare annotation was computed. [2021-02-19 16:57:06,031 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2021-02-19 16:57:06,031 INFO L189 CegarLoopUtils]: For program point L581(line 581) no Hoare annotation was computed. [2021-02-19 16:57:06,032 INFO L189 CegarLoopUtils]: For program point L580(line 580) no Hoare annotation was computed. [2021-02-19 16:57:06,032 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2021-02-19 16:57:06,032 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 761 767) no Hoare annotation was computed. [2021-02-19 16:57:06,032 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 761 767) the Hoare annotation is: true [2021-02-19 16:57:06,032 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseEXIT(lines 794 801) no Hoare annotation was computed. [2021-02-19 16:57:06,032 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseENTRY(lines 794 801) no Hoare annotation was computed. [2021-02-19 16:57:06,032 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseFINAL(lines 794 801) no Hoare annotation was computed. [2021-02-19 16:57:06,032 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 838 846) no Hoare annotation was computed. [2021-02-19 16:57:06,032 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 838 846) the Hoare annotation is: true [2021-02-19 16:57:06,033 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 838 846) no Hoare annotation was computed. [2021-02-19 16:57:06,033 INFO L189 CegarLoopUtils]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2021-02-19 16:57:06,033 INFO L189 CegarLoopUtils]: For program point L854(lines 854 862) no Hoare annotation was computed. [2021-02-19 16:57:06,033 INFO L189 CegarLoopUtils]: For program point L854-2(lines 854 862) no Hoare annotation was computed. [2021-02-19 16:57:06,033 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 847 882) no Hoare annotation was computed. [2021-02-19 16:57:06,033 INFO L189 CegarLoopUtils]: For program point L877(line 877) no Hoare annotation was computed. [2021-02-19 16:57:06,033 INFO L189 CegarLoopUtils]: For program point L877-1(line 877) no Hoare annotation was computed. [2021-02-19 16:57:06,033 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 847 882) no Hoare annotation was computed. [2021-02-19 16:57:06,033 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 847 882) no Hoare annotation was computed. [2021-02-19 16:57:06,034 INFO L189 CegarLoopUtils]: For program point L866(lines 866 874) no Hoare annotation was computed. [2021-02-19 16:57:06,034 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 517 523) no Hoare annotation was computed. [2021-02-19 16:57:06,034 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 517 523) the Hoare annotation is: true [2021-02-19 16:57:06,034 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 48 93) no Hoare annotation was computed. [2021-02-19 16:57:06,034 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 48 93) no Hoare annotation was computed. [2021-02-19 16:57:06,034 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 48 93) no Hoare annotation was computed. [2021-02-19 16:57:06,034 INFO L189 CegarLoopUtils]: For program point L381(lines 381 388) no Hoare annotation was computed. [2021-02-19 16:57:06,034 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 361 406) no Hoare annotation was computed. [2021-02-19 16:57:06,035 INFO L189 CegarLoopUtils]: For program point L375(lines 375 395) no Hoare annotation was computed. [2021-02-19 16:57:06,035 INFO L189 CegarLoopUtils]: For program point L375-1(lines 375 395) no Hoare annotation was computed. [2021-02-19 16:57:06,035 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 361 406) no Hoare annotation was computed. [2021-02-19 16:57:06,035 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 361 406) no Hoare annotation was computed. [2021-02-19 16:57:06,035 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 606 615) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:06,035 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 606 615) no Hoare annotation was computed. [2021-02-19 16:57:06,035 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 606 615) no Hoare annotation was computed. [2021-02-19 16:57:06,035 INFO L192 CegarLoopUtils]: At program point L832(line 832) the Hoare annotation is: true [2021-02-19 16:57:06,036 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 827 837) the Hoare annotation is: true [2021-02-19 16:57:06,036 INFO L189 CegarLoopUtils]: For program point L832-1(line 832) no Hoare annotation was computed. [2021-02-19 16:57:06,036 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 827 837) no Hoare annotation was computed. [2021-02-19 16:57:06,036 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 827 837) no Hoare annotation was computed. [2021-02-19 16:57:06,036 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 819 826) the Hoare annotation is: true [2021-02-19 16:57:06,036 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 819 826) no Hoare annotation was computed. [2021-02-19 16:57:06,036 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 819 826) no Hoare annotation was computed. [2021-02-19 16:57:06,036 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 769 793) no Hoare annotation was computed. [2021-02-19 16:57:06,037 INFO L185 CegarLoopUtils]: At program point L788(line 788) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:06,037 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 769 793) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:06,037 INFO L189 CegarLoopUtils]: For program point L788-1(lines 769 793) no Hoare annotation was computed. [2021-02-19 16:57:06,037 INFO L185 CegarLoopUtils]: At program point L783(line 783) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:06,037 INFO L185 CegarLoopUtils]: At program point L779(line 779) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:06,037 INFO L189 CegarLoopUtils]: For program point L777(lines 777 785) no Hoare annotation was computed. [2021-02-19 16:57:06,037 INFO L185 CegarLoopUtils]: At program point L775(line 775) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:06,037 INFO L189 CegarLoopUtils]: For program point L775-1(line 775) no Hoare annotation was computed. [2021-02-19 16:57:06,038 INFO L189 CegarLoopUtils]: For program point L773(lines 773 790) no Hoare annotation was computed. [2021-02-19 16:57:06,038 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 667 730) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:06,038 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 667 730) no Hoare annotation was computed. [2021-02-19 16:57:06,038 INFO L185 CegarLoopUtils]: At program point L723(lines 676 724) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,038 INFO L189 CegarLoopUtils]: For program point L713(lines 713 717) no Hoare annotation was computed. [2021-02-19 16:57:06,038 INFO L185 CegarLoopUtils]: At program point L713-2(lines 707 718) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,038 INFO L189 CegarLoopUtils]: For program point L678(lines 677 722) no Hoare annotation was computed. [2021-02-19 16:57:06,039 INFO L189 CegarLoopUtils]: For program point L707(lines 707 718) no Hoare annotation was computed. [2021-02-19 16:57:06,039 INFO L185 CegarLoopUtils]: At program point L699(line 699) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,039 INFO L189 CegarLoopUtils]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-02-19 16:57:06,039 INFO L189 CegarLoopUtils]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2021-02-19 16:57:06,039 INFO L185 CegarLoopUtils]: At program point L689(line 689) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,039 INFO L185 CegarLoopUtils]: At program point L720(lines 677 722) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,039 INFO L189 CegarLoopUtils]: For program point L687(lines 687 693) no Hoare annotation was computed. [2021-02-19 16:57:06,040 INFO L189 CegarLoopUtils]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2021-02-19 16:57:06,040 INFO L189 CegarLoopUtils]: For program point L679(lines 679 683) no Hoare annotation was computed. [2021-02-19 16:57:06,040 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 667 730) no Hoare annotation was computed. [2021-02-19 16:57:06,040 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 315 360) no Hoare annotation was computed. [2021-02-19 16:57:06,040 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 315 360) no Hoare annotation was computed. [2021-02-19 16:57:06,040 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 315 360) no Hoare annotation was computed. [2021-02-19 16:57:06,040 INFO L189 CegarLoopUtils]: For program point L335(lines 335 342) no Hoare annotation was computed. [2021-02-19 16:57:06,040 INFO L189 CegarLoopUtils]: For program point L329(lines 329 349) no Hoare annotation was computed. [2021-02-19 16:57:06,040 INFO L189 CegarLoopUtils]: For program point L329-1(lines 329 349) no Hoare annotation was computed. [2021-02-19 16:57:06,041 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 461 483) no Hoare annotation was computed. [2021-02-19 16:57:06,041 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 461 483) no Hoare annotation was computed. [2021-02-19 16:57:06,041 INFO L189 CegarLoopUtils]: For program point L469(lines 469 477) no Hoare annotation was computed. [2021-02-19 16:57:06,041 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 461 483) no Hoare annotation was computed. [2021-02-19 16:57:06,041 INFO L189 CegarLoopUtils]: For program point L469-2(lines 469 477) no Hoare annotation was computed. [2021-02-19 16:57:06,041 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 212 314) no Hoare annotation was computed. [2021-02-19 16:57:06,041 INFO L189 CegarLoopUtils]: For program point L277(line 277) no Hoare annotation was computed. [2021-02-19 16:57:06,041 INFO L189 CegarLoopUtils]: For program point L277-1(line 277) no Hoare annotation was computed. [2021-02-19 16:57:06,041 INFO L189 CegarLoopUtils]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-02-19 16:57:06,042 INFO L189 CegarLoopUtils]: For program point L300(lines 300 311) no Hoare annotation was computed. [2021-02-19 16:57:06,042 INFO L189 CegarLoopUtils]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-02-19 16:57:06,042 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 212 314) no Hoare annotation was computed. [2021-02-19 16:57:06,042 INFO L189 CegarLoopUtils]: For program point L261-2(lines 261 281) no Hoare annotation was computed. [2021-02-19 16:57:06,042 INFO L189 CegarLoopUtils]: For program point L282(lines 260 283) no Hoare annotation was computed. [2021-02-19 16:57:06,042 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 212 314) no Hoare annotation was computed. [2021-02-19 16:57:06,042 INFO L189 CegarLoopUtils]: For program point L241(lines 241 257) no Hoare annotation was computed. [2021-02-19 16:57:06,042 INFO L189 CegarLoopUtils]: For program point L301(lines 301 308) no Hoare annotation was computed. [2021-02-19 16:57:06,042 INFO L189 CegarLoopUtils]: For program point L262(lines 261 281) no Hoare annotation was computed. [2021-02-19 16:57:06,043 INFO L189 CegarLoopUtils]: For program point L293(line 293) no Hoare annotation was computed. [2021-02-19 16:57:06,043 INFO L189 CegarLoopUtils]: For program point L293-1(line 293) no Hoare annotation was computed. [2021-02-19 16:57:06,043 INFO L189 CegarLoopUtils]: For program point L258(lines 258 299) no Hoare annotation was computed. [2021-02-19 16:57:06,043 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 507 516) no Hoare annotation was computed. [2021-02-19 16:57:06,043 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 507 516) no Hoare annotation was computed. [2021-02-19 16:57:06,043 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 507 516) no Hoare annotation was computed. [2021-02-19 16:57:06,043 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,044 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:06,044 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,044 INFO L189 CegarLoopUtils]: For program point L813(line 813) no Hoare annotation was computed. [2021-02-19 16:57:06,044 INFO L189 CegarLoopUtils]: For program point L813-1(lines 802 818) no Hoare annotation was computed. [2021-02-19 16:57:06,044 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 802 818) no Hoare annotation was computed. [2021-02-19 16:57:06,044 INFO L189 CegarLoopUtils]: For program point L809(lines 809 815) no Hoare annotation was computed. [2021-02-19 16:57:06,044 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 802 818) no Hoare annotation was computed. [2021-02-19 16:57:06,045 INFO L189 CegarLoopUtils]: For program point L807(line 807) no Hoare annotation was computed. [2021-02-19 16:57:06,045 INFO L189 CegarLoopUtils]: For program point L807-1(line 807) no Hoare annotation was computed. [2021-02-19 16:57:06,045 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 484 492) no Hoare annotation was computed. [2021-02-19 16:57:06,045 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2021-02-19 16:57:06,045 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2021-02-19 16:57:06,045 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,045 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,045 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,045 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:06,046 INFO L189 CegarLoopUtils]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2021-02-19 16:57:06,046 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2021-02-19 16:57:06,046 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2021-02-19 16:57:06,046 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2021-02-19 16:57:06,046 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2021-02-19 16:57:06,046 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 737 760) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:06,046 INFO L185 CegarLoopUtils]: At program point L750(line 750) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:06,046 INFO L185 CegarLoopUtils]: At program point L748(lines 748 754) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:06,047 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 737 760) no Hoare annotation was computed. [2021-02-19 16:57:06,047 INFO L185 CegarLoopUtils]: At program point L743(line 743) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:06,047 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 737 760) no Hoare annotation was computed. [2021-02-19 16:57:06,047 INFO L189 CegarLoopUtils]: For program point L741(lines 740 759) no Hoare annotation was computed. [2021-02-19 16:57:06,047 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 543 572) no Hoare annotation was computed. [2021-02-19 16:57:06,047 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 543 572) the Hoare annotation is: true [2021-02-19 16:57:06,047 INFO L192 CegarLoopUtils]: At program point L568(lines 543 572) the Hoare annotation is: true [2021-02-19 16:57:06,047 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2021-02-19 16:57:06,047 INFO L189 CegarLoopUtils]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-02-19 16:57:06,048 INFO L192 CegarLoopUtils]: At program point L557-1(lines 557 561) the Hoare annotation is: true [2021-02-19 16:57:06,048 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2021-02-19 16:57:06,048 INFO L192 CegarLoopUtils]: At program point L553-2(lines 553 567) the Hoare annotation is: true [2021-02-19 16:57:06,048 INFO L192 CegarLoopUtils]: At program point L549(line 549) the Hoare annotation is: true [2021-02-19 16:57:06,048 INFO L189 CegarLoopUtils]: For program point L549-1(line 549) no Hoare annotation was computed. [2021-02-19 16:57:06,048 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: true [2021-02-19 16:57:06,048 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2021-02-19 16:57:06,048 INFO L189 CegarLoopUtils]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2021-02-19 16:57:06,048 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 598 604) no Hoare annotation was computed. [2021-02-19 16:57:06,049 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 598 604) the Hoare annotation is: true [2021-02-19 16:57:06,049 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,049 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 16:57:06,049 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:06,049 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,049 INFO L189 CegarLoopUtils]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2021-02-19 16:57:06,049 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2021-02-19 16:57:06,049 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:06,050 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 494 501) no Hoare annotation was computed. [2021-02-19 16:57:06,050 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2021-02-19 16:57:06,050 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 494 501) the Hoare annotation is: true [2021-02-19 16:57:06,050 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 494 501) no Hoare annotation was computed. [2021-02-19 16:57:06,050 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 641 665) the Hoare annotation is: true [2021-02-19 16:57:06,050 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 641 665) no Hoare annotation was computed. [2021-02-19 16:57:06,050 INFO L185 CegarLoopUtils]: At program point L655(line 655) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:06,051 INFO L189 CegarLoopUtils]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-02-19 16:57:06,051 INFO L185 CegarLoopUtils]: At program point L651(line 651) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:06,051 INFO L189 CegarLoopUtils]: For program point L651-1(line 651) no Hoare annotation was computed. [2021-02-19 16:57:06,051 INFO L189 CegarLoopUtils]: For program point L649(lines 649 662) no Hoare annotation was computed. [2021-02-19 16:57:06,051 INFO L189 CegarLoopUtils]: For program point L649-1(lines 641 665) no Hoare annotation was computed. [2021-02-19 16:57:06,051 INFO L192 CegarLoopUtils]: At program point L647(line 647) the Hoare annotation is: true [2021-02-19 16:57:06,051 INFO L189 CegarLoopUtils]: For program point L647-1(line 647) no Hoare annotation was computed. [2021-02-19 16:57:06,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:06 BoogieIcfgContainer [2021-02-19 16:57:06,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:06,070 INFO L168 Benchmark]: Toolchain (without parser) took 27740.67 ms. Allocated memory was 157.3 MB in the beginning and 370.1 MB in the end (delta: 212.9 MB). Free memory was 131.1 MB in the beginning and 312.0 MB in the end (delta: -180.9 MB). Peak memory consumption was 216.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,070 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 157.3 MB. Free memory is still 128.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:06,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.75 ms. Allocated memory is still 157.3 MB. Free memory was 130.1 MB in the beginning and 110.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,071 INFO L168 Benchmark]: Boogie Preprocessor took 162.96 ms. Allocated memory is still 157.3 MB. Free memory was 110.0 MB in the beginning and 106.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,072 INFO L168 Benchmark]: RCFGBuilder took 1467.14 ms. Allocated memory is still 157.3 MB. Free memory was 139.3 MB in the beginning and 54.3 MB in the end (delta: 85.1 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,072 INFO L168 Benchmark]: TraceAbstraction took 25323.10 ms. Allocated memory was 157.3 MB in the beginning and 370.1 MB in the end (delta: 212.9 MB). Free memory was 54.3 MB in the beginning and 312.0 MB in the end (delta: -257.8 MB). Peak memory consumption was 140.7 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 157.3 MB. Free memory is still 128.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 727.75 ms. Allocated memory is still 157.3 MB. Free memory was 130.1 MB in the beginning and 110.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 162.96 ms. Allocated memory is still 157.3 MB. Free memory was 110.0 MB in the beginning and 106.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1467.14 ms. Allocated memory is still 157.3 MB. Free memory was 139.3 MB in the beginning and 54.3 MB in the end (delta: 85.1 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25323.10 ms. Allocated memory was 157.3 MB in the beginning and 370.1 MB in the end (delta: 212.9 MB). Free memory was 54.3 MB in the beginning and 312.0 MB in the end (delta: -257.8 MB). Peak memory consumption was 140.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 498]: 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: 676]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 395 SDtfs, 624 SDslu, 254 SDs, 0 SdLazy, 1449 SolverSat, 404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 669 HoareAnnotationTreeSize, 235 FomulaSimplifications, 36961 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 48 FomulaSimplificationsInter, 7790 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 78756 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...