/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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:37,000 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 16:56:37,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:37,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:37,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:37,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:37,053 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:37,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:37,054 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:37,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:37,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:37,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:37,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:37,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:37,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:37,056 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:37,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:37,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:37,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:37,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:37,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:37,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:37,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:37,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:37,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:37,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:37,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:37,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:37,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:37,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:37,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,496 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2021-02-19 16:56:37,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50d2820b/225fdc2abe1542d9b1491af9a76d37a5/FLAGea67de0fc [2021-02-19 16:56:38,357 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:38,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2021-02-19 16:56:38,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50d2820b/225fdc2abe1542d9b1491af9a76d37a5/FLAGea67de0fc [2021-02-19 16:56:38,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50d2820b/225fdc2abe1542d9b1491af9a76d37a5 [2021-02-19 16:56:38,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380085d3 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 16:56:38,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:39,066 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_product08.cil.c[14599,14612] [2021-02-19 16:56:39,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:39,097 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:39,166 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_product08.cil.c[14599,14612] [2021-02-19 16:56:39,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:39,233 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:39,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39 WrapperNode [2021-02-19 16:56:39,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:39,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:39,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:39,253 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 16:56:39,254 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 16:56:39,299 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 16:56:39,300 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 16:56:39,358 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 16:56:39,373 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 16:56:39,402 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 16:56:39,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:39,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:39,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:39,412 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 16:56:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 16:56:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 16:56:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 16:56:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 16:56:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 16:56:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 16:56:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,958 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5281df66 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 16:56:40,970 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 16:56:40,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5281df66 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 16:56:40,971 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 16:56:40,973 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2021-02-19 16:56:40,981 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,987 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:41,011 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:41,058 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:41,059 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:41,059 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:41,059 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:41,059 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:41,060 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:41,060 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:41,061 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:41,090 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2021-02-19 16:56:41,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:41,105 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:41,106 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 16:56:41,107 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:41,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:41,116 INFO L82 PathProgramCache]: Analyzing trace with hash 487177810, now seen corresponding path program 1 times [2021-02-19 16:56:41,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:41,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410070825] [2021-02-19 16:56:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,148 WARN L202 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:42,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,265 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 16:56:42,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410070825] [2021-02-19 16:56:42,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:42,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:42,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080950555] [2021-02-19 16:56:42,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:42,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:42,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:42,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:42,298 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 3 states. [2021-02-19 16:56:43,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:43,908 INFO L93 Difference]: Finished difference Result 260 states and 346 transitions. [2021-02-19 16:56:43,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:43,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:43,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:43,929 INFO L225 Difference]: With dead ends: 260 [2021-02-19 16:56:43,930 INFO L226 Difference]: Without dead ends: 142 [2021-02-19 16:56:43,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:43,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-02-19 16:56:44,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2021-02-19 16:56:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-02-19 16:56:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2021-02-19 16:56:44,088 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2021-02-19 16:56:44,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:44,089 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2021-02-19 16:56:44,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2021-02-19 16:56:44,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:44,094 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:44,095 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 16:56:44,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:44,095 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:44,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:44,096 INFO L82 PathProgramCache]: Analyzing trace with hash -459818319, now seen corresponding path program 1 times [2021-02-19 16:56:44,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:44,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714238858] [2021-02-19 16:56:44,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,617 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:44,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,681 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 16:56:44,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714238858] [2021-02-19 16:56:44,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:44,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:44,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618850277] [2021-02-19 16:56:44,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:44,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:44,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:44,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:44,686 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 4 states. [2021-02-19 16:56:45,297 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:46,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:46,152 INFO L93 Difference]: Finished difference Result 183 states and 225 transitions. [2021-02-19 16:56:46,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:46,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:46,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:46,156 INFO L225 Difference]: With dead ends: 183 [2021-02-19 16:56:46,156 INFO L226 Difference]: Without dead ends: 126 [2021-02-19 16:56:46,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:56:46,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-02-19 16:56:46,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 100. [2021-02-19 16:56:46,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-19 16:56:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2021-02-19 16:56:46,218 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2021-02-19 16:56:46,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:46,219 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2021-02-19 16:56:46,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2021-02-19 16:56:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 16:56:46,227 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:46,227 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] [2021-02-19 16:56:46,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:46,228 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:46,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:46,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1297474546, now seen corresponding path program 1 times [2021-02-19 16:56:46,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:46,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348410105] [2021-02-19 16:56:46,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:46,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:46,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:46,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:46,740 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:46,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:46,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:46,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:46,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,871 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:56:46,872 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:56:46,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:46,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:46,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:56:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:46,914 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 16:56:46,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348410105] [2021-02-19 16:56:46,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:46,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:46,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525284223] [2021-02-19 16:56:46,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:46,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:46,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:46,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:46,917 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 8 states. [2021-02-19 16:56:47,445 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:47,912 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:48,296 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:48,729 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:49,747 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:51,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:51,468 INFO L93 Difference]: Finished difference Result 351 states and 439 transitions. [2021-02-19 16:56:51,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:51,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-02-19 16:56:51,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:51,486 INFO L225 Difference]: With dead ends: 351 [2021-02-19 16:56:51,487 INFO L226 Difference]: Without dead ends: 275 [2021-02-19 16:56:51,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:51,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-02-19 16:56:51,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 214. [2021-02-19 16:56:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2021-02-19 16:56:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 260 transitions. [2021-02-19 16:56:51,610 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 260 transitions. Word has length 52 [2021-02-19 16:56:51,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:51,610 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 260 transitions. [2021-02-19 16:56:51,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:51,611 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 260 transitions. [2021-02-19 16:56:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-02-19 16:56:51,614 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:51,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:51,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:51,614 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:51,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:51,615 INFO L82 PathProgramCache]: Analyzing trace with hash 853656365, now seen corresponding path program 1 times [2021-02-19 16:56:51,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:51,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057033748] [2021-02-19 16:56:51,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,068 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:52,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:56:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 16:56:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,170 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 16:56:52,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057033748] [2021-02-19 16:56:52,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:52,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:52,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679436666] [2021-02-19 16:56:52,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:52,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:52,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:52,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:52,173 INFO L87 Difference]: Start difference. First operand 214 states and 260 transitions. Second operand 8 states. [2021-02-19 16:56:52,753 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:53,967 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:54,597 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:54,983 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:55,387 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:55,981 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:56,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:56,887 INFO L93 Difference]: Finished difference Result 695 states and 919 transitions. [2021-02-19 16:56:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:56:56,887 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2021-02-19 16:56:56,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:56,893 INFO L225 Difference]: With dead ends: 695 [2021-02-19 16:56:56,893 INFO L226 Difference]: Without dead ends: 505 [2021-02-19 16:56:56,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:56:56,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-02-19 16:56:57,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 383. [2021-02-19 16:56:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2021-02-19 16:56:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 470 transitions. [2021-02-19 16:56:57,032 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 470 transitions. Word has length 57 [2021-02-19 16:56:57,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:57,033 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 470 transitions. [2021-02-19 16:56:57,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 470 transitions. [2021-02-19 16:56:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-19 16:56:57,037 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:57,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:57,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:57,038 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:57,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:57,038 INFO L82 PathProgramCache]: Analyzing trace with hash -499980815, now seen corresponding path program 1 times [2021-02-19 16:56:57,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:57,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502982293] [2021-02-19 16:56:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:57,581 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:57,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:57,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:57,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:57,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:57,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:57,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:56:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 16:56:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:57,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-19 16:56:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:57,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:57,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:57,698 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 16:56:57,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502982293] [2021-02-19 16:56:57,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:57,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:56:57,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968985648] [2021-02-19 16:56:57,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:56:57,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:57,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:56:57,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:56:57,702 INFO L87 Difference]: Start difference. First operand 383 states and 470 transitions. Second operand 9 states. [2021-02-19 16:56:58,316 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:59,500 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:59,966 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:00,334 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:00,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:00,844 INFO L93 Difference]: Finished difference Result 765 states and 1021 transitions. [2021-02-19 16:57:00,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 16:57:00,845 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2021-02-19 16:57:00,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:00,846 INFO L225 Difference]: With dead ends: 765 [2021-02-19 16:57:00,846 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:57:00,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-02-19 16:57:00,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:57:00,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:57:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:57:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:57:00,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-02-19 16:57:00,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:00,850 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:57:00,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:57:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:57:00,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:57:00,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:57:00,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:57:05,798 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 14 [2021-02-19 16:57:06,350 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-19 16:57:06,658 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:06,970 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:07,245 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:07,543 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:07,815 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-19 16:57:08,167 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-19 16:57:08,677 WARN L202 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 8 [2021-02-19 16:57:09,056 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:09,650 WARN L202 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:09,954 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 16:57:10,526 WARN L202 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-19 16:57:10,899 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:11,434 WARN L202 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:12,044 WARN L202 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:12,357 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:12,661 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:12,983 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:13,316 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:13,909 WARN L202 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-19 16:57:14,206 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:14,526 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:15,130 WARN L202 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:15,155 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:15,156 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:15,156 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:15,156 INFO L189 CegarLoopUtils]: For program point L380(lines 357 381) no Hoare annotation was computed. [2021-02-19 16:57:15,156 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 333 388) no Hoare annotation was computed. [2021-02-19 16:57:15,156 INFO L189 CegarLoopUtils]: For program point L364(lines 364 368) no Hoare annotation was computed. [2021-02-19 16:57:15,156 INFO L189 CegarLoopUtils]: For program point L364-1(lines 364 368) no Hoare annotation was computed. [2021-02-19 16:57:15,156 INFO L189 CegarLoopUtils]: For program point L359(line 359) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 333 388) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point L358-2(lines 358 379) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 333 388) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point L416(line 416) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point L415-2(lines 415 440) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point L441(lines 414 442) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 389 448) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point L434(line 434) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point L434-1(line 434) no Hoare annotation was computed. [2021-02-19 16:57:15,157 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 389 448) no Hoare annotation was computed. [2021-02-19 16:57:15,158 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 389 448) no Hoare annotation was computed. [2021-02-19 16:57:15,158 INFO L189 CegarLoopUtils]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-02-19 16:57:15,158 INFO L189 CegarLoopUtils]: For program point L421-1(lines 421 425) no Hoare annotation was computed. [2021-02-19 16:57:15,158 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 668 674) the Hoare annotation is: true [2021-02-19 16:57:15,158 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 668 674) no Hoare annotation was computed. [2021-02-19 16:57:15,158 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 675 683) no Hoare annotation was computed. [2021-02-19 16:57:15,158 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 675 683) the Hoare annotation is: true [2021-02-19 16:57:15,159 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 675 683) no Hoare annotation was computed. [2021-02-19 16:57:15,159 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 766 788) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:15,159 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 766 788) no Hoare annotation was computed. [2021-02-19 16:57:15,159 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 766 788) no Hoare annotation was computed. [2021-02-19 16:57:15,159 INFO L185 CegarLoopUtils]: At program point L778(line 778) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:15,159 INFO L185 CegarLoopUtils]: At program point L778-1(line 778) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:15,160 INFO L189 CegarLoopUtils]: For program point L776(lines 776 783) no Hoare annotation was computed. [2021-02-19 16:57:15,160 INFO L189 CegarLoopUtils]: For program point L776-1(lines 776 783) no Hoare annotation was computed. [2021-02-19 16:57:15,160 INFO L189 CegarLoopUtils]: For program point L774(line 774) no Hoare annotation was computed. [2021-02-19 16:57:15,160 INFO L185 CegarLoopUtils]: At program point L773(line 773) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:15,160 INFO L185 CegarLoopUtils]: At program point L772(line 772) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:15,160 INFO L185 CegarLoopUtils]: At program point L772-1(line 772) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:15,161 INFO L189 CegarLoopUtils]: For program point L737(line 737) no Hoare annotation was computed. [2021-02-19 16:57:15,161 INFO L189 CegarLoopUtils]: For program point L736(line 736) no Hoare annotation was computed. [2021-02-19 16:57:15,161 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 725 748) no Hoare annotation was computed. [2021-02-19 16:57:15,161 INFO L189 CegarLoopUtils]: For program point L735(line 735) no Hoare annotation was computed. [2021-02-19 16:57:15,161 INFO L189 CegarLoopUtils]: For program point L734(line 734) no Hoare annotation was computed. [2021-02-19 16:57:15,161 INFO L189 CegarLoopUtils]: For program point L733(line 733) no Hoare annotation was computed. [2021-02-19 16:57:15,161 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 725 748) no Hoare annotation was computed. [2021-02-19 16:57:15,161 INFO L189 CegarLoopUtils]: For program point L732(line 732) no Hoare annotation was computed. [2021-02-19 16:57:15,161 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 725 748) no Hoare annotation was computed. [2021-02-19 16:57:15,162 INFO L189 CegarLoopUtils]: For program point L731(line 731) no Hoare annotation was computed. [2021-02-19 16:57:15,162 INFO L189 CegarLoopUtils]: For program point L730(line 730) no Hoare annotation was computed. [2021-02-19 16:57:15,162 INFO L189 CegarLoopUtils]: For program point L743(line 743) no Hoare annotation was computed. [2021-02-19 16:57:15,162 INFO L189 CegarLoopUtils]: For program point L742(line 742) no Hoare annotation was computed. [2021-02-19 16:57:15,162 INFO L189 CegarLoopUtils]: For program point L741(line 741) no Hoare annotation was computed. [2021-02-19 16:57:15,162 INFO L189 CegarLoopUtils]: For program point L740(line 740) no Hoare annotation was computed. [2021-02-19 16:57:15,162 INFO L189 CegarLoopUtils]: For program point L739(line 739) no Hoare annotation was computed. [2021-02-19 16:57:15,162 INFO L189 CegarLoopUtils]: For program point L738(line 738) no Hoare annotation was computed. [2021-02-19 16:57:15,162 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 257 271) no Hoare annotation was computed. [2021-02-19 16:57:15,163 INFO L185 CegarLoopUtils]: At program point L263(line 263) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:15,163 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 257 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:15,163 INFO L189 CegarLoopUtils]: For program point L261(lines 261 267) no Hoare annotation was computed. [2021-02-19 16:57:15,163 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 257 271) no Hoare annotation was computed. [2021-02-19 16:57:15,163 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2021-02-19 16:57:15,163 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2021-02-19 16:57:15,163 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2021-02-19 16:57:15,163 INFO L189 CegarLoopUtils]: For program point L251(line 251) no Hoare annotation was computed. [2021-02-19 16:57:15,163 INFO L189 CegarLoopUtils]: For program point L251-1(line 251) no Hoare annotation was computed. [2021-02-19 16:57:15,164 INFO L189 CegarLoopUtils]: For program point L240(lines 240 248) no Hoare annotation was computed. [2021-02-19 16:57:15,164 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 221 256) no Hoare annotation was computed. [2021-02-19 16:57:15,164 INFO L189 CegarLoopUtils]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2021-02-19 16:57:15,164 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 221 256) no Hoare annotation was computed. [2021-02-19 16:57:15,164 INFO L189 CegarLoopUtils]: For program point L228(lines 228 236) no Hoare annotation was computed. [2021-02-19 16:57:15,164 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 221 256) no Hoare annotation was computed. [2021-02-19 16:57:15,164 INFO L189 CegarLoopUtils]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2021-02-19 16:57:15,164 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 661 667) no Hoare annotation was computed. [2021-02-19 16:57:15,164 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 661 667) the Hoare annotation is: true [2021-02-19 16:57:15,164 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 287 332) no Hoare annotation was computed. [2021-02-19 16:57:15,165 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 287 332) no Hoare annotation was computed. [2021-02-19 16:57:15,165 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 287 332) no Hoare annotation was computed. [2021-02-19 16:57:15,165 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 600 645) no Hoare annotation was computed. [2021-02-19 16:57:15,165 INFO L189 CegarLoopUtils]: For program point L620(lines 620 627) no Hoare annotation was computed. [2021-02-19 16:57:15,165 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 600 645) no Hoare annotation was computed. [2021-02-19 16:57:15,165 INFO L189 CegarLoopUtils]: For program point L614(lines 614 634) no Hoare annotation was computed. [2021-02-19 16:57:15,165 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 600 645) no Hoare annotation was computed. [2021-02-19 16:57:15,165 INFO L189 CegarLoopUtils]: For program point L614-1(lines 614 634) no Hoare annotation was computed. [2021-02-19 16:57:15,165 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 756 765) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:15,165 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 756 765) no Hoare annotation was computed. [2021-02-19 16:57:15,166 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 756 765) no Hoare annotation was computed. [2021-02-19 16:57:15,166 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 201 211) the Hoare annotation is: true [2021-02-19 16:57:15,166 INFO L192 CegarLoopUtils]: At program point L206(line 206) the Hoare annotation is: true [2021-02-19 16:57:15,166 INFO L189 CegarLoopUtils]: For program point L206-1(line 206) no Hoare annotation was computed. [2021-02-19 16:57:15,166 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2021-02-19 16:57:15,166 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 201 211) no Hoare annotation was computed. [2021-02-19 16:57:15,166 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: true [2021-02-19 16:57:15,166 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2021-02-19 16:57:15,166 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2021-02-19 16:57:15,167 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 160 184) no Hoare annotation was computed. [2021-02-19 16:57:15,167 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 160 184) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:15,167 INFO L185 CegarLoopUtils]: At program point L179(line 179) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:15,167 INFO L189 CegarLoopUtils]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2021-02-19 16:57:15,167 INFO L185 CegarLoopUtils]: At program point L174(line 174) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:15,167 INFO L185 CegarLoopUtils]: At program point L170(line 170) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:15,167 INFO L189 CegarLoopUtils]: For program point L168(lines 168 176) no Hoare annotation was computed. [2021-02-19 16:57:15,167 INFO L185 CegarLoopUtils]: At program point L166(line 166) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:15,167 INFO L189 CegarLoopUtils]: For program point L166-1(line 166) no Hoare annotation was computed. [2021-02-19 16:57:15,168 INFO L189 CegarLoopUtils]: For program point L164(lines 164 181) no Hoare annotation was computed. [2021-02-19 16:57:15,168 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2021-02-19 16:57:15,168 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2021-02-19 16:57:15,168 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 48 115) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:15,168 INFO L189 CegarLoopUtils]: For program point L60(lines 60 64) no Hoare annotation was computed. [2021-02-19 16:57:15,168 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 48 115) no Hoare annotation was computed. [2021-02-19 16:57:15,168 INFO L185 CegarLoopUtils]: At program point L108(lines 57 109) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:15,168 INFO L185 CegarLoopUtils]: At program point L98(line 98) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:15,168 INFO L189 CegarLoopUtils]: For program point L96(lines 96 102) no Hoare annotation was computed. [2021-02-19 16:57:15,169 INFO L185 CegarLoopUtils]: At program point L96-1(lines 88 103) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:15,169 INFO L189 CegarLoopUtils]: For program point L59(lines 58 107) no Hoare annotation was computed. [2021-02-19 16:57:15,169 INFO L185 CegarLoopUtils]: At program point L90(line 90) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:15,169 INFO L189 CegarLoopUtils]: For program point L88(lines 88 103) no Hoare annotation was computed. [2021-02-19 16:57:15,169 INFO L185 CegarLoopUtils]: At program point L80(line 80) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:15,169 INFO L189 CegarLoopUtils]: For program point L78(lines 78 84) no Hoare annotation was computed. [2021-02-19 16:57:15,169 INFO L189 CegarLoopUtils]: For program point L78-1(lines 78 84) no Hoare annotation was computed. [2021-02-19 16:57:15,169 INFO L185 CegarLoopUtils]: At program point L105(lines 58 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:15,170 INFO L185 CegarLoopUtils]: At program point L70(line 70) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:15,170 INFO L189 CegarLoopUtils]: For program point L68(lines 68 74) no Hoare annotation was computed. [2021-02-19 16:57:15,170 INFO L189 CegarLoopUtils]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2021-02-19 16:57:15,170 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 48 115) no Hoare annotation was computed. [2021-02-19 16:57:15,170 INFO L189 CegarLoopUtils]: For program point L574(lines 574 581) no Hoare annotation was computed. [2021-02-19 16:57:15,170 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 554 599) no Hoare annotation was computed. [2021-02-19 16:57:15,170 INFO L189 CegarLoopUtils]: For program point L568(lines 568 588) no Hoare annotation was computed. [2021-02-19 16:57:15,170 INFO L189 CegarLoopUtils]: For program point L568-1(lines 568 588) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 554 599) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 554 599) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 864 886) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point L872(lines 872 880) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point L872-2(lines 872 880) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 864 886) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 864 886) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 451 553) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-02-19 16:57:15,171 INFO L189 CegarLoopUtils]: For program point L539(lines 539 550) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point L502(lines 502 506) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point L500-2(lines 500 520) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point L521(lines 499 522) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 451 553) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point L480(lines 480 496) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point L540(lines 540 547) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point L501(lines 500 520) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point L532(line 532) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point L532-1(line 532) no Hoare annotation was computed. [2021-02-19 16:57:15,172 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 451 553) no Hoare annotation was computed. [2021-02-19 16:57:15,173 INFO L189 CegarLoopUtils]: For program point L497(lines 497 538) no Hoare annotation was computed. [2021-02-19 16:57:15,173 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2021-02-19 16:57:15,173 INFO L189 CegarLoopUtils]: For program point L516-1(line 516) no Hoare annotation was computed. [2021-02-19 16:57:15,173 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 651 660) no Hoare annotation was computed. [2021-02-19 16:57:15,173 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 651 660) no Hoare annotation was computed. [2021-02-19 16:57:15,173 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 651 660) no Hoare annotation was computed. [2021-02-19 16:57:15,173 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:15,174 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)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:15,174 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:15,174 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 185 192) no Hoare annotation was computed. [2021-02-19 16:57:15,174 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2021-02-19 16:57:15,174 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 185 192) no Hoare annotation was computed. [2021-02-19 16:57:15,174 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 887 895) no Hoare annotation was computed. [2021-02-19 16:57:15,174 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2021-02-19 16:57:15,174 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2021-02-19 16:57:15,174 INFO L189 CegarLoopUtils]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2021-02-19 16:57:15,175 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:15,175 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2021-02-19 16:57:15,175 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:15,175 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:15,175 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:15,175 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:15,175 INFO L185 CegarLoopUtils]: At program point L141(line 141) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:15,175 INFO L185 CegarLoopUtils]: At program point L139(lines 139 145) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:15,175 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2021-02-19 16:57:15,176 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2021-02-19 16:57:15,176 INFO L185 CegarLoopUtils]: At program point L134(line 134) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:15,176 INFO L189 CegarLoopUtils]: For program point L132(lines 131 150) no Hoare annotation was computed. [2021-02-19 16:57:15,176 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 695 724) no Hoare annotation was computed. [2021-02-19 16:57:15,176 INFO L192 CegarLoopUtils]: At program point L705-2(lines 705 719) the Hoare annotation is: true [2021-02-19 16:57:15,176 INFO L192 CegarLoopUtils]: At program point L701(line 701) the Hoare annotation is: true [2021-02-19 16:57:15,176 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 695 724) the Hoare annotation is: true [2021-02-19 16:57:15,176 INFO L189 CegarLoopUtils]: For program point L701-1(line 701) no Hoare annotation was computed. [2021-02-19 16:57:15,176 INFO L192 CegarLoopUtils]: At program point L720(lines 695 724) the Hoare annotation is: true [2021-02-19 16:57:15,176 INFO L189 CegarLoopUtils]: For program point L716(line 716) no Hoare annotation was computed. [2021-02-19 16:57:15,177 INFO L189 CegarLoopUtils]: For program point L709(lines 709 713) no Hoare annotation was computed. [2021-02-19 16:57:15,177 INFO L192 CegarLoopUtils]: At program point L709-1(lines 709 713) the Hoare annotation is: true [2021-02-19 16:57:15,177 INFO L189 CegarLoopUtils]: For program point L706(line 706) no Hoare annotation was computed. [2021-02-19 16:57:15,177 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2021-02-19 16:57:15,177 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2021-02-19 16:57:15,177 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2021-02-19 16:57:15,177 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: true [2021-02-19 16:57:15,177 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2021-02-19 16:57:15,177 INFO L189 CegarLoopUtils]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2021-02-19 16:57:15,177 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 749 755) no Hoare annotation was computed. [2021-02-19 16:57:15,177 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 749 755) the Hoare annotation is: true [2021-02-19 16:57:15,178 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:15,178 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 16:57:15,178 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:15,178 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:15,178 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 272 279) no Hoare annotation was computed. [2021-02-19 16:57:15,178 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 272 279) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:15,178 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 272 279) no Hoare annotation was computed. [2021-02-19 16:57:15,178 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2021-02-19 16:57:15,178 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:15,179 INFO L189 CegarLoopUtils]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2021-02-19 16:57:15,179 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 685 692) no Hoare annotation was computed. [2021-02-19 16:57:15,179 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 689) no Hoare annotation was computed. [2021-02-19 16:57:15,179 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 685 692) the Hoare annotation is: true [2021-02-19 16:57:15,179 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 685 692) no Hoare annotation was computed. [2021-02-19 16:57:15,179 INFO L185 CegarLoopUtils]: At program point L800(line 800) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-19 16:57:15,179 INFO L189 CegarLoopUtils]: For program point L800-1(line 800) no Hoare annotation was computed. [2021-02-19 16:57:15,179 INFO L189 CegarLoopUtils]: For program point L798(lines 798 811) no Hoare annotation was computed. [2021-02-19 16:57:15,180 INFO L189 CegarLoopUtils]: For program point L798-1(lines 790 814) no Hoare annotation was computed. [2021-02-19 16:57:15,180 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 790 814) the Hoare annotation is: true [2021-02-19 16:57:15,180 INFO L192 CegarLoopUtils]: At program point L796(line 796) the Hoare annotation is: true [2021-02-19 16:57:15,180 INFO L189 CegarLoopUtils]: For program point L796-1(line 796) no Hoare annotation was computed. [2021-02-19 16:57:15,180 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 790 814) no Hoare annotation was computed. [2021-02-19 16:57:15,180 INFO L185 CegarLoopUtils]: At program point L804(line 804) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:15,180 INFO L189 CegarLoopUtils]: For program point L802(lines 802 808) no Hoare annotation was computed. [2021-02-19 16:57:15,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:15 BoogieIcfgContainer [2021-02-19 16:57:15,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:15,200 INFO L168 Benchmark]: Toolchain (without parser) took 36600.80 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 125.2 MB in the beginning and 327.5 MB in the end (delta: -202.3 MB). Peak memory consumption was 230.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:15,200 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:15,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.35 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 104.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:15,201 INFO L168 Benchmark]: Boogie Preprocessor took 173.59 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 133.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:15,202 INFO L168 Benchmark]: RCFGBuilder took 1551.64 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 130.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:15,202 INFO L168 Benchmark]: TraceAbstraction took 34234.13 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 129.8 MB in the beginning and 327.5 MB in the end (delta: -197.8 MB). Peak memory consumption was 234.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:15,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 617.35 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 104.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 173.59 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 133.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1551.64 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 130.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 34234.13 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 129.8 MB in the beginning and 327.5 MB in the end (delta: -197.8 MB). Peak memory consumption was 234.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 689]: 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: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 15.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 484 SDtfs, 712 SDslu, 466 SDs, 0 SdLazy, 2087 SolverSat, 486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 505 PreInvPairs, 608 NumberOfFragments, 722 HoareAnnotationTreeSize, 505 FomulaSimplifications, 118987 FormulaSimplificationTreeSizeReduction, 4.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 18824 FormulaSimplificationTreeSizeReductionInter, 10.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 78402 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...