/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_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 17:42:09,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 17:42:09,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 17:42:09,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 17:42:09,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 17:42:09,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 17:42:09,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 17:42:09,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 17:42:09,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 17:42:09,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 17:42:09,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 17:42:09,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 17:42:09,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 17:42:09,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 17:42:09,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 17:42:09,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 17:42:09,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 17:42:09,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 17:42:09,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 17:42:09,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 17:42:09,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 17:42:09,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 17:42:09,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 17:42:09,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 17:42:09,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 17:42:09,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 17:42:09,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 17:42:09,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 17:42:09,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 17:42:09,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 17:42:09,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 17:42:09,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 17:42:09,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 17:42:09,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 17:42:09,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 17:42:09,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 17:42:09,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 17:42:09,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 17:42:09,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 17:42:09,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 17:42:09,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 17:42:09,414 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 [2020-10-23 17:42:09,474 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 17:42:09,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 17:42:09,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 17:42:09,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 17:42:09,480 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 17:42:09,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 17:42:09,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 17:42:09,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 17:42:09,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 17:42:09,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 17:42:09,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 17:42:09,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 17:42:09,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 17:42:09,483 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 17:42:09,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 17:42:09,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 17:42:09,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 17:42:09,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 17:42:09,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 17:42:09,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 17:42:09,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 17:42:09,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 17:42:09,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 17:42:09,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 17:42:09,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 17:42:09,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 17:42:09,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 17:42:09,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 17:42:09,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 17:42:09,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 17:42:09,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 17:42:09,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 17:42:09,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 17:42:09,915 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 17:42:09,916 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 17:42:09,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-10-23 17:42:10,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b14e2c8/e0df83e3dc2b4e47bd951e5a9d7bbd87/FLAGff7d7cf02 [2020-10-23 17:42:10,683 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 17:42:10,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-10-23 17:42:10,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b14e2c8/e0df83e3dc2b4e47bd951e5a9d7bbd87/FLAGff7d7cf02 [2020-10-23 17:42:11,000 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b14e2c8/e0df83e3dc2b4e47bd951e5a9d7bbd87 [2020-10-23 17:42:11,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 17:42:11,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 17:42:11,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 17:42:11,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 17:42:11,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 17:42:11,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:42:11" (1/1) ... [2020-10-23 17:42:11,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ae7ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11, skipping insertion in model container [2020-10-23 17:42:11,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:42:11" (1/1) ... [2020-10-23 17:42:11,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 17:42:11,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 17:42:11,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:42:11,406 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 17:42:11,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:42:11,542 INFO L208 MainTranslator]: Completed translation [2020-10-23 17:42:11,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11 WrapperNode [2020-10-23 17:42:11,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 17:42:11,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 17:42:11,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 17:42:11,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 17:42:11,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11" (1/1) ... [2020-10-23 17:42:11,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11" (1/1) ... [2020-10-23 17:42:11,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11" (1/1) ... [2020-10-23 17:42:11,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11" (1/1) ... [2020-10-23 17:42:11,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11" (1/1) ... [2020-10-23 17:42:11,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11" (1/1) ... [2020-10-23 17:42:11,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11" (1/1) ... [2020-10-23 17:42:11,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 17:42:11,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 17:42:11,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 17:42:11,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 17:42:11,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11" (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 [2020-10-23 17:42:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 17:42:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 17:42:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 17:42:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 17:42:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 17:42:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 17:42:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 17:42:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 17:42:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 17:42:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 17:42:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 17:42:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 17:42:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 17:42:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 17:42:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 17:42:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 17:42:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 17:42:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 17:42:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 17:42:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 17:42:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 17:42:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 17:42:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 17:42:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 17:42:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 17:42:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 17:42:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 17:42:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 17:42:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 17:42:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 17:42:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 17:42:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 17:42:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 17:42:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 17:42:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 17:42:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 17:42:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 17:42:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 17:42:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 17:42:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 17:42:11,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 17:42:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 17:42:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 17:42:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 17:42:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 17:42:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 17:42:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 17:42:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 17:42:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 17:42:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 17:42:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 17:42:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 17:42:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 17:42:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 17:42:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 17:42:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 17:42:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 17:42:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 17:42:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 17:42:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 17:42:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 17:42:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 17:42:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 17:42:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 17:42:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 17:42:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 17:42:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 17:42:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 17:42:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 17:42:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 17:42:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 17:42:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 17:42:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 17:42:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 17:42:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 17:42:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 17:42:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 17:42:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 17:42:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 17:42:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 17:42:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 17:42:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 17:42:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 17:42:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 17:42:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 17:42:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 17:42:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 17:42:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 17:42:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 17:42:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 17:42:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 17:42:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 17:42:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 17:42:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 17:42:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 17:42:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 17:42:13,139 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 17:42:13,139 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 17:42:13,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:42:13 BoogieIcfgContainer [2020-10-23 17:42:13,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 17:42:13,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 17:42:13,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 17:42:13,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 17:42:13,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 05:42:11" (1/3) ... [2020-10-23 17:42:13,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582a18d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:42:13, skipping insertion in model container [2020-10-23 17:42:13,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:11" (2/3) ... [2020-10-23 17:42:13,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582a18d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:42:13, skipping insertion in model container [2020-10-23 17:42:13,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:42:13" (3/3) ... [2020-10-23 17:42:13,158 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2020-10-23 17:42:13,173 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 17:42:13,179 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 17:42:13,193 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 17:42:13,237 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 17:42:13,238 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 17:42:13,238 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 17:42:13,238 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 17:42:13,238 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 17:42:13,239 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 17:42:13,240 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 17:42:13,240 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 17:42:13,271 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-10-23 17:42:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-23 17:42:13,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:42:13,288 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] [2020-10-23 17:42:13,290 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:42:13,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:42:13,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1911051094, now seen corresponding path program 1 times [2020-10-23 17:42:13,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:42:13,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575204431] [2020-10-23 17:42:13,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:42:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:14,002 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:42:14,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:42:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:14,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:42:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:42:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:14,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:42:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:14,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:42:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:14,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:42:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:14,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 17:42:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:42:14,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575204431] [2020-10-23 17:42:14,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:42:14,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 17:42:14,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133153569] [2020-10-23 17:42:14,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 17:42:14,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:42:14,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 17:42:14,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 17:42:14,135 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2020-10-23 17:42:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:42:15,412 INFO L93 Difference]: Finished difference Result 304 states and 399 transitions. [2020-10-23 17:42:15,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 17:42:15,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-23 17:42:15,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:42:15,427 INFO L225 Difference]: With dead ends: 304 [2020-10-23 17:42:15,428 INFO L226 Difference]: Without dead ends: 163 [2020-10-23 17:42:15,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 17:42:15,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-23 17:42:15,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 129. [2020-10-23 17:42:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-23 17:42:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2020-10-23 17:42:15,562 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 47 [2020-10-23 17:42:15,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:42:15,564 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2020-10-23 17:42:15,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 17:42:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2020-10-23 17:42:15,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-23 17:42:15,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:42:15,575 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] [2020-10-23 17:42:15,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 17:42:15,576 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:42:15,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:42:15,577 INFO L82 PathProgramCache]: Analyzing trace with hash 975929337, now seen corresponding path program 1 times [2020-10-23 17:42:15,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:42:15,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413453582] [2020-10-23 17:42:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:42:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:16,168 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:42:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:42:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:16,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:42:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:16,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:42:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:16,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:42:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:16,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:42:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 17:42:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-23 17:42:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:42:16,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413453582] [2020-10-23 17:42:16,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:42:16,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 17:42:16,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537917608] [2020-10-23 17:42:16,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 17:42:16,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:42:16,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 17:42:16,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 17:42:16,256 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 4 states. [2020-10-23 17:42:16,791 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:42:17,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:42:17,610 INFO L93 Difference]: Finished difference Result 228 states and 278 transitions. [2020-10-23 17:42:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 17:42:17,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-23 17:42:17,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:42:17,614 INFO L225 Difference]: With dead ends: 228 [2020-10-23 17:42:17,615 INFO L226 Difference]: Without dead ends: 147 [2020-10-23 17:42:17,616 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 [2020-10-23 17:42:17,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-23 17:42:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 120. [2020-10-23 17:42:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-23 17:42:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2020-10-23 17:42:17,673 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 48 [2020-10-23 17:42:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:42:17,674 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2020-10-23 17:42:17,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 17:42:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2020-10-23 17:42:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-23 17:42:17,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:42:17,677 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] [2020-10-23 17:42:17,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 17:42:17,678 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:42:17,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:42:17,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1102885460, now seen corresponding path program 1 times [2020-10-23 17:42:17,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:42:17,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935991874] [2020-10-23 17:42:17,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:42:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:18,131 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:42:18,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:42:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:18,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:42:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:18,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:42:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:18,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:42:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:42:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:18,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:42:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:18,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 17:42:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:42:18,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935991874] [2020-10-23 17:42:18,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:42:18,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 17:42:18,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933661333] [2020-10-23 17:42:18,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 17:42:18,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:42:18,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 17:42:18,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-23 17:42:18,262 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 8 states. [2020-10-23 17:42:18,696 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 17:42:19,053 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:19,373 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:19,681 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:20,512 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:42:22,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:42:22,368 INFO L93 Difference]: Finished difference Result 413 states and 513 transitions. [2020-10-23 17:42:22,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 17:42:22,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-10-23 17:42:22,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:42:22,377 INFO L225 Difference]: With dead ends: 413 [2020-10-23 17:42:22,378 INFO L226 Difference]: Without dead ends: 317 [2020-10-23 17:42:22,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-23 17:42:22,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-10-23 17:42:22,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 257. [2020-10-23 17:42:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-23 17:42:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 311 transitions. [2020-10-23 17:42:22,489 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 311 transitions. Word has length 52 [2020-10-23 17:42:22,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:42:22,490 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 311 transitions. [2020-10-23 17:42:22,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 17:42:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 311 transitions. [2020-10-23 17:42:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-23 17:42:22,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:42:22,493 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] [2020-10-23 17:42:22,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 17:42:22,493 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:42:22,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:42:22,494 INFO L82 PathProgramCache]: Analyzing trace with hash -750512128, now seen corresponding path program 1 times [2020-10-23 17:42:22,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:42:22,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598917832] [2020-10-23 17:42:22,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:42:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:22,875 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:42:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:42:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:42:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:22,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:42:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:22,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:42:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:22,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:42:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:22,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 17:42:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:22,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 17:42:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:22,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-23 17:42:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:42:22,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598917832] [2020-10-23 17:42:22,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:42:22,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-23 17:42:22,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707186133] [2020-10-23 17:42:22,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 17:42:22,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:42:23,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 17:42:23,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-23 17:42:23,001 INFO L87 Difference]: Start difference. First operand 257 states and 311 transitions. Second operand 12 states. [2020-10-23 17:42:23,468 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 17:42:23,852 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:24,154 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:24,442 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:25,036 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:42:25,958 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:26,440 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:42:26,902 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:42:27,215 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:42:27,534 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 17:42:27,987 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:42:28,382 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:42:28,766 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:42:30,343 INFO L93 Difference]: Finished difference Result 1029 states and 1370 transitions. [2020-10-23 17:42:30,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-23 17:42:30,344 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2020-10-23 17:42:30,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:42:30,363 INFO L225 Difference]: With dead ends: 1029 [2020-10-23 17:42:30,363 INFO L226 Difference]: Without dead ends: 796 [2020-10-23 17:42:30,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-10-23 17:42:30,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-10-23 17:42:30,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 695. [2020-10-23 17:42:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-10-23 17:42:30,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 863 transitions. [2020-10-23 17:42:30,618 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 863 transitions. Word has length 58 [2020-10-23 17:42:30,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:42:30,618 INFO L481 AbstractCegarLoop]: Abstraction has 695 states and 863 transitions. [2020-10-23 17:42:30,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 17:42:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 863 transitions. [2020-10-23 17:42:30,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-23 17:42:30,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:42:30,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:42:30,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 17:42:30,623 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:42:30,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:42:30,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1404792518, now seen corresponding path program 1 times [2020-10-23 17:42:30,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:42:30,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342708178] [2020-10-23 17:42:30,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:42:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:30,938 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:42:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:42:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:30,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:42:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:30,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:42:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:30,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:42:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:30,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:42:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:30,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 17:42:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:31,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:42:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:31,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-23 17:42:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:31,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-23 17:42:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:42:31,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342708178] [2020-10-23 17:42:31,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:42:31,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 17:42:31,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422430048] [2020-10-23 17:42:31,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 17:42:31,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:42:31,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 17:42:31,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 17:42:31,037 INFO L87 Difference]: Start difference. First operand 695 states and 863 transitions. Second operand 6 states. [2020-10-23 17:42:31,409 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 17:42:32,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:42:32,294 INFO L93 Difference]: Finished difference Result 1117 states and 1439 transitions. [2020-10-23 17:42:32,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 17:42:32,298 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-10-23 17:42:32,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:42:32,301 INFO L225 Difference]: With dead ends: 1117 [2020-10-23 17:42:32,301 INFO L226 Difference]: Without dead ends: 446 [2020-10-23 17:42:32,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-23 17:42:32,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-10-23 17:42:32,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 421. [2020-10-23 17:42:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-23 17:42:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 480 transitions. [2020-10-23 17:42:32,409 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 480 transitions. Word has length 62 [2020-10-23 17:42:32,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:42:32,409 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 480 transitions. [2020-10-23 17:42:32,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 17:42:32,409 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 480 transitions. [2020-10-23 17:42:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-23 17:42:32,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:42:32,412 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:42:32,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 17:42:32,412 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:42:32,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:42:32,413 INFO L82 PathProgramCache]: Analyzing trace with hash 711562620, now seen corresponding path program 1 times [2020-10-23 17:42:32,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:42:32,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204609567] [2020-10-23 17:42:32,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:42:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,731 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:42:32,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:42:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:42:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:42:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:42:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:42:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-23 17:42:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:42:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-23 17:42:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:42:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:42:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-23 17:42:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-23 17:42:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-23 17:42:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-23 17:42:32,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204609567] [2020-10-23 17:42:32,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185648668] [2020-10-23 17:42:32,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:42:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:42:33,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-23 17:42:33,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:42:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 17:42:33,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 17:42:33,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2020-10-23 17:42:33,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994990106] [2020-10-23 17:42:33,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-23 17:42:33,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:42:33,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-23 17:42:33,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-23 17:42:33,340 INFO L87 Difference]: Start difference. First operand 421 states and 480 transitions. Second operand 15 states. [2020-10-23 17:42:33,872 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:34,596 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:42:35,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:42:35,744 INFO L93 Difference]: Finished difference Result 563 states and 655 transitions. [2020-10-23 17:42:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 17:42:35,745 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2020-10-23 17:42:35,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:42:35,747 INFO L225 Difference]: With dead ends: 563 [2020-10-23 17:42:35,747 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 17:42:35,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2020-10-23 17:42:35,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 17:42:35,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 17:42:35,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 17:42:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 17:42:35,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-10-23 17:42:35,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:42:35,750 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 17:42:35,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-23 17:42:35,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 17:42:35,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 17:42:35,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-23 17:42:35,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 17:42:36,217 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 21 [2020-10-23 17:42:39,845 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2020-10-23 17:42:40,075 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-10-23 17:42:40,293 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-23 17:42:40,962 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2020-10-23 17:42:41,258 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-10-23 17:42:41,484 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-10-23 17:42:42,241 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 22 [2020-10-23 17:42:42,520 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:42:43,292 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 19 [2020-10-23 17:42:43,526 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-23 17:42:44,188 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 17 [2020-10-23 17:42:44,826 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 17 [2020-10-23 17:42:45,053 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-23 17:42:45,284 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-23 17:42:45,940 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2020-10-23 17:42:46,162 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-10-23 17:42:46,525 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-10-23 17:42:47,228 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2020-10-23 17:42:47,594 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-10-23 17:42:48,331 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 19 [2020-10-23 17:42:48,677 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-10-23 17:42:48,913 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-10-23 17:42:49,576 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 20 [2020-10-23 17:42:49,581 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-23 17:42:49,581 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-23 17:42:49,581 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-23 17:42:49,581 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-23 17:42:49,581 INFO L274 CegarLoopResult]: For program point L258-2(lines 258 279) no Hoare annotation was computed. [2020-10-23 17:42:49,582 INFO L274 CegarLoopResult]: For program point L280(lines 257 281) no Hoare annotation was computed. [2020-10-23 17:42:49,582 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 233 288) no Hoare annotation was computed. [2020-10-23 17:42:49,582 INFO L274 CegarLoopResult]: For program point L264(lines 264 268) no Hoare annotation was computed. [2020-10-23 17:42:49,582 INFO L274 CegarLoopResult]: For program point L264-1(lines 264 268) no Hoare annotation was computed. [2020-10-23 17:42:49,582 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 233 288) no Hoare annotation was computed. [2020-10-23 17:42:49,582 INFO L274 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-10-23 17:42:49,582 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 233 288) no Hoare annotation was computed. [2020-10-23 17:42:49,582 INFO L274 CegarLoopResult]: For program point L321(lines 321 325) no Hoare annotation was computed. [2020-10-23 17:42:49,582 INFO L274 CegarLoopResult]: For program point L321-1(lines 321 325) no Hoare annotation was computed. [2020-10-23 17:42:49,583 INFO L274 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-10-23 17:42:49,583 INFO L274 CegarLoopResult]: For program point L315-2(lines 315 340) no Hoare annotation was computed. [2020-10-23 17:42:49,583 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 289 348) no Hoare annotation was computed. [2020-10-23 17:42:49,583 INFO L274 CegarLoopResult]: For program point L341(lines 314 342) no Hoare annotation was computed. [2020-10-23 17:42:49,583 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 289 348) no Hoare annotation was computed. [2020-10-23 17:42:49,583 INFO L274 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-10-23 17:42:49,583 INFO L274 CegarLoopResult]: For program point L334-1(line 334) no Hoare annotation was computed. [2020-10-23 17:42:49,583 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 289 348) no Hoare annotation was computed. [2020-10-23 17:42:49,583 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 164 170) the Hoare annotation is: true [2020-10-23 17:42:49,584 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 164 170) no Hoare annotation was computed. [2020-10-23 17:42:49,584 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 171 179) no Hoare annotation was computed. [2020-10-23 17:42:49,584 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 171 179) the Hoare annotation is: true [2020-10-23 17:42:49,584 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 171 179) no Hoare annotation was computed. [2020-10-23 17:42:49,584 INFO L274 CegarLoopResult]: For program point L930-1(line 930) no Hoare annotation was computed. [2020-10-23 17:42:49,584 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 924 948) the Hoare annotation is: true [2020-10-23 17:42:49,584 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 924 948) no Hoare annotation was computed. [2020-10-23 17:42:49,584 INFO L270 CegarLoopResult]: At program point L938(line 938) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-10-23 17:42:49,585 INFO L274 CegarLoopResult]: For program point L936(lines 936 942) no Hoare annotation was computed. [2020-10-23 17:42:49,585 INFO L270 CegarLoopResult]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-10-23 17:42:49,585 INFO L274 CegarLoopResult]: For program point L934-1(line 934) no Hoare annotation was computed. [2020-10-23 17:42:49,585 INFO L274 CegarLoopResult]: For program point L932(lines 932 945) no Hoare annotation was computed. [2020-10-23 17:42:49,585 INFO L274 CegarLoopResult]: For program point L932-1(lines 924 948) no Hoare annotation was computed. [2020-10-23 17:42:49,585 INFO L277 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: true [2020-10-23 17:42:49,585 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:42:49,586 INFO L270 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:42:49,586 INFO L270 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:42:49,586 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:42:49,586 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-23 17:42:49,586 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-23 17:42:49,586 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:42:49,587 INFO L270 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:42:49,587 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-23 17:42:49,587 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-23 17:42:49,587 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-23 17:42:49,587 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-23 17:42:49,587 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-23 17:42:49,587 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-23 17:42:49,587 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 17:42:49,587 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 17:42:49,588 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-23 17:42:49,589 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-23 17:42:49,589 INFO L270 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-23 17:42:49,589 INFO L274 CegarLoopResult]: For program point L767-1(lines 748 772) no Hoare annotation was computed. [2020-10-23 17:42:49,589 INFO L270 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-10-23 17:42:49,589 INFO L270 CegarLoopResult]: At program point L758(line 758) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-10-23 17:42:49,589 INFO L274 CegarLoopResult]: For program point L756(lines 756 764) no Hoare annotation was computed. [2020-10-23 17:42:49,590 INFO L270 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-10-23 17:42:49,590 INFO L274 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-10-23 17:42:49,590 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 748 772) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-23 17:42:49,590 INFO L274 CegarLoopResult]: For program point L752(lines 752 769) no Hoare annotation was computed. [2020-10-23 17:42:49,590 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 748 772) no Hoare annotation was computed. [2020-10-23 17:42:49,591 INFO L270 CegarLoopResult]: At program point L913(line 913) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-10-23 17:42:49,591 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 907 921) no Hoare annotation was computed. [2020-10-23 17:42:49,591 INFO L274 CegarLoopResult]: For program point L911(lines 911 917) no Hoare annotation was computed. [2020-10-23 17:42:49,591 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 907 921) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-23 17:42:49,591 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 907 921) no Hoare annotation was computed. [2020-10-23 17:42:49,591 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 843 851) no Hoare annotation was computed. [2020-10-23 17:42:49,591 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 843 851) the Hoare annotation is: true [2020-10-23 17:42:49,592 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 843 851) no Hoare annotation was computed. [2020-10-23 17:42:49,592 INFO L274 CegarLoopResult]: For program point L897(lines 897 901) no Hoare annotation was computed. [2020-10-23 17:42:49,592 INFO L277 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: true [2020-10-23 17:42:49,592 INFO L274 CegarLoopResult]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2020-10-23 17:42:49,592 INFO L274 CegarLoopResult]: For program point L895-1(line 895) no Hoare annotation was computed. [2020-10-23 17:42:49,592 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 888 906) the Hoare annotation is: true [2020-10-23 17:42:49,592 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 888 906) no Hoare annotation was computed. [2020-10-23 17:42:49,592 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 888 906) no Hoare annotation was computed. [2020-10-23 17:42:49,592 INFO L274 CegarLoopResult]: For program point L859(lines 859 867) no Hoare annotation was computed. [2020-10-23 17:42:49,592 INFO L274 CegarLoopResult]: For program point L859-2(lines 859 867) no Hoare annotation was computed. [2020-10-23 17:42:49,593 INFO L274 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-10-23 17:42:49,593 INFO L274 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-10-23 17:42:49,593 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 852 887) no Hoare annotation was computed. [2020-10-23 17:42:49,593 INFO L274 CegarLoopResult]: For program point L871(lines 871 879) no Hoare annotation was computed. [2020-10-23 17:42:49,593 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 852 887) no Hoare annotation was computed. [2020-10-23 17:42:49,593 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 879) no Hoare annotation was computed. [2020-10-23 17:42:49,593 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 852 887) no Hoare annotation was computed. [2020-10-23 17:42:49,593 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 157 163) no Hoare annotation was computed. [2020-10-23 17:42:49,593 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 157 163) the Hoare annotation is: true [2020-10-23 17:42:49,594 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 187 232) no Hoare annotation was computed. [2020-10-23 17:42:49,594 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 187 232) no Hoare annotation was computed. [2020-10-23 17:42:49,594 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 187 232) no Hoare annotation was computed. [2020-10-23 17:42:49,594 INFO L274 CegarLoopResult]: For program point L514-1(lines 514 534) no Hoare annotation was computed. [2020-10-23 17:42:49,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 500 545) no Hoare annotation was computed. [2020-10-23 17:42:49,594 INFO L274 CegarLoopResult]: For program point L531(lines 531 532) no Hoare annotation was computed. [2020-10-23 17:42:49,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 524 525) no Hoare annotation was computed. [2020-10-23 17:42:49,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 531 532) no Hoare annotation was computed. [2020-10-23 17:42:49,594 INFO L274 CegarLoopResult]: For program point L524(lines 524 525) no Hoare annotation was computed. [2020-10-23 17:42:49,595 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 500 545) no Hoare annotation was computed. [2020-10-23 17:42:49,595 INFO L274 CegarLoopResult]: For program point L520(lines 520 527) no Hoare annotation was computed. [2020-10-23 17:42:49,595 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 500 545) no Hoare annotation was computed. [2020-10-23 17:42:49,595 INFO L274 CegarLoopResult]: For program point L514(lines 514 534) no Hoare annotation was computed. [2020-10-23 17:42:49,595 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:42:49,595 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2020-10-23 17:42:49,595 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2020-10-23 17:42:49,595 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 832 842) the Hoare annotation is: true [2020-10-23 17:42:49,595 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 832 842) no Hoare annotation was computed. [2020-10-23 17:42:49,596 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 832 842) no Hoare annotation was computed. [2020-10-23 17:42:49,596 INFO L277 CegarLoopResult]: At program point L837(line 837) the Hoare annotation is: true [2020-10-23 17:42:49,596 INFO L274 CegarLoopResult]: For program point L837-1(line 837) no Hoare annotation was computed. [2020-10-23 17:42:49,596 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 824 831) the Hoare annotation is: true [2020-10-23 17:42:49,596 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 824 831) no Hoare annotation was computed. [2020-10-23 17:42:49,596 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 824 831) no Hoare annotation was computed. [2020-10-23 17:42:49,596 INFO L270 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-23 17:42:49,596 INFO L274 CegarLoopResult]: For program point L793-1(lines 774 798) no Hoare annotation was computed. [2020-10-23 17:42:49,596 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 774 798) no Hoare annotation was computed. [2020-10-23 17:42:49,596 INFO L270 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-10-23 17:42:49,597 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 774 798) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-23 17:42:49,597 INFO L270 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-10-23 17:42:49,597 INFO L274 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-10-23 17:42:49,597 INFO L270 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-10-23 17:42:49,597 INFO L274 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-10-23 17:42:49,597 INFO L274 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-10-23 17:42:49,597 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 740 746) no Hoare annotation was computed. [2020-10-23 17:42:49,597 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 740 746) the Hoare annotation is: true [2020-10-23 17:42:49,597 INFO L270 CegarLoopResult]: At program point testENTRY(lines 642 707) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:42:49,597 INFO L270 CegarLoopResult]: At program point L700(lines 651 701) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:42:49,597 INFO L274 CegarLoopResult]: For program point testFINAL(lines 642 707) no Hoare annotation was computed. [2020-10-23 17:42:49,598 INFO L270 CegarLoopResult]: At program point L690(line 690) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:42:49,598 INFO L274 CegarLoopResult]: For program point L688(lines 688 694) no Hoare annotation was computed. [2020-10-23 17:42:49,598 INFO L270 CegarLoopResult]: At program point L688-1(lines 682 695) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:42:49,598 INFO L274 CegarLoopResult]: For program point L653(lines 652 699) no Hoare annotation was computed. [2020-10-23 17:42:49,598 INFO L274 CegarLoopResult]: For program point L682(lines 682 695) no Hoare annotation was computed. [2020-10-23 17:42:49,598 INFO L270 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:42:49,598 INFO L274 CegarLoopResult]: For program point L672(lines 672 678) no Hoare annotation was computed. [2020-10-23 17:42:49,598 INFO L274 CegarLoopResult]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2020-10-23 17:42:49,598 INFO L270 CegarLoopResult]: At program point L697(lines 652 699) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:42:49,598 INFO L270 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:42:49,598 INFO L274 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-10-23 17:42:49,598 INFO L274 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-10-23 17:42:49,599 INFO L274 CegarLoopResult]: For program point L654(lines 654 658) no Hoare annotation was computed. [2020-10-23 17:42:49,599 INFO L274 CegarLoopResult]: For program point testEXIT(lines 642 707) no Hoare annotation was computed. [2020-10-23 17:42:49,599 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 478 479) no Hoare annotation was computed. [2020-10-23 17:42:49,599 INFO L274 CegarLoopResult]: For program point L478(lines 478 479) no Hoare annotation was computed. [2020-10-23 17:42:49,599 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 485 486) no Hoare annotation was computed. [2020-10-23 17:42:49,599 INFO L274 CegarLoopResult]: For program point L474(lines 474 481) no Hoare annotation was computed. [2020-10-23 17:42:49,599 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 454 499) no Hoare annotation was computed. [2020-10-23 17:42:49,599 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 454 499) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point L468(lines 468 488) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point L468-1(lines 468 488) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 454 499) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point L485(lines 485 486) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 799 806) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 799 806) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 799 806) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 631 639) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 631 639) the Hoare annotation is: true [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 631 639) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point L607(lines 607 615) no Hoare annotation was computed. [2020-10-23 17:42:49,600 INFO L274 CegarLoopResult]: For program point L607-2(lines 607 615) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 599 621) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 599 621) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 599 621) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 147 156) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 147 156) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 147 156) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 351 453) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point L380(lines 380 396) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point L440(lines 440 447) no Hoare annotation was computed. [2020-10-23 17:42:49,601 INFO L274 CegarLoopResult]: For program point L401(lines 400 420) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point L397(lines 397 438) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 351 453) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point L439(lines 439 450) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point L402(lines 402 406) no Hoare annotation was computed. [2020-10-23 17:42:49,602 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 351 453) no Hoare annotation was computed. [2020-10-23 17:42:49,603 INFO L274 CegarLoopResult]: For program point L400-2(lines 400 420) no Hoare annotation was computed. [2020-10-23 17:42:49,603 INFO L274 CegarLoopResult]: For program point L421(lines 399 422) no Hoare annotation was computed. [2020-10-23 17:42:49,603 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:42:49,603 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-23 17:42:49,603 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:42:49,604 INFO L274 CegarLoopResult]: For program point L818-1(lines 807 823) no Hoare annotation was computed. [2020-10-23 17:42:49,604 INFO L274 CegarLoopResult]: For program point L814(lines 814 820) no Hoare annotation was computed. [2020-10-23 17:42:49,604 INFO L274 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-10-23 17:42:49,604 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 807 823) no Hoare annotation was computed. [2020-10-23 17:42:49,604 INFO L274 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-10-23 17:42:49,604 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 807 823) no Hoare annotation was computed. [2020-10-23 17:42:49,604 INFO L274 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-10-23 17:42:49,604 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 622 630) the Hoare annotation is: true [2020-10-23 17:42:49,604 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 622 630) no Hoare annotation was computed. [2020-10-23 17:42:49,604 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 622 630) no Hoare annotation was computed. [2020-10-23 17:42:49,605 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 578 589) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-23 17:42:49,605 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 578 589) no Hoare annotation was computed. [2020-10-23 17:42:49,605 INFO L274 CegarLoopResult]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2020-10-23 17:42:49,605 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:42:49,605 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-23 17:42:49,605 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:42:49,605 INFO L270 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-10-23 17:42:49,606 INFO L270 CegarLoopResult]: At program point L727(lines 727 733) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-23 17:42:49,606 INFO L270 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-10-23 17:42:49,606 INFO L274 CegarLoopResult]: For program point L720(lines 719 738) no Hoare annotation was computed. [2020-10-23 17:42:49,606 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 716 739) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-23 17:42:49,606 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 716 739) no Hoare annotation was computed. [2020-10-23 17:42:49,606 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 716 739) no Hoare annotation was computed. [2020-10-23 17:42:49,606 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-23 17:42:49,606 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-23 17:42:49,607 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-23 17:42:49,607 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-23 17:42:49,607 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-23 17:42:49,607 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-23 17:42:49,607 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-23 17:42:49,607 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-23 17:42:49,607 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-23 17:42:49,607 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-23 17:42:49,607 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 590 598) the Hoare annotation is: true [2020-10-23 17:42:49,608 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 590 598) no Hoare annotation was computed. [2020-10-23 17:42:49,608 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 590 598) no Hoare annotation was computed. [2020-10-23 17:42:49,608 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 554 565) the Hoare annotation is: true [2020-10-23 17:42:49,608 INFO L274 CegarLoopResult]: For program point L558-1(lines 554 565) no Hoare annotation was computed. [2020-10-23 17:42:49,608 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 554 565) no Hoare annotation was computed. [2020-10-23 17:42:49,608 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-23 17:42:49,608 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-23 17:42:49,608 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:42:49,608 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-23 17:42:49,609 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 17:42:49,609 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:42:49,609 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 566 577) no Hoare annotation was computed. [2020-10-23 17:42:49,609 INFO L274 CegarLoopResult]: For program point L570-1(lines 566 577) no Hoare annotation was computed. [2020-10-23 17:42:49,609 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 566 577) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-10-23 17:42:49,609 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 950 957) no Hoare annotation was computed. [2020-10-23 17:42:49,609 INFO L274 CegarLoopResult]: For program point L954(line 954) no Hoare annotation was computed. [2020-10-23 17:42:49,609 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 950 957) the Hoare annotation is: true [2020-10-23 17:42:49,609 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 950 957) no Hoare annotation was computed. [2020-10-23 17:42:49,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 05:42:49 BoogieIcfgContainer [2020-10-23 17:42:49,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 17:42:49,632 INFO L168 Benchmark]: Toolchain (without parser) took 38627.87 ms. Allocated memory was 151.0 MB in the beginning and 610.3 MB in the end (delta: 459.3 MB). Free memory was 125.3 MB in the beginning and 525.0 MB in the end (delta: -399.6 MB). Peak memory consumption was 362.8 MB. Max. memory is 8.0 GB. [2020-10-23 17:42:49,633 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 17:42:49,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 17:42:49,635 INFO L168 Benchmark]: Boogie Preprocessor took 118.04 ms. Allocated memory is still 151.0 MB. Free memory was 103.8 MB in the beginning and 99.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 17:42:49,636 INFO L168 Benchmark]: RCFGBuilder took 1476.75 ms. Allocated memory was 151.0 MB in the beginning and 203.4 MB in the end (delta: 52.4 MB). Free memory was 99.6 MB in the beginning and 181.7 MB in the end (delta: -82.1 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. [2020-10-23 17:42:49,637 INFO L168 Benchmark]: TraceAbstraction took 36482.53 ms. Allocated memory was 203.4 MB in the beginning and 610.3 MB in the end (delta: 406.8 MB). Free memory was 181.2 MB in the beginning and 525.0 MB in the end (delta: -343.7 MB). Peak memory consumption was 365.5 MB. Max. memory is 8.0 GB. [2020-10-23 17:42:49,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 533.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.04 ms. Allocated memory is still 151.0 MB. Free memory was 103.8 MB in the beginning and 99.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1476.75 ms. Allocated memory was 151.0 MB in the beginning and 203.4 MB in the end (delta: 52.4 MB). Free memory was 99.6 MB in the beginning and 181.7 MB in the end (delta: -82.1 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 36482.53 ms. Allocated memory was 203.4 MB in the beginning and 610.3 MB in the end (delta: 406.8 MB). Free memory was 181.2 MB in the beginning and 525.0 MB in the end (delta: -343.7 MB). Peak memory consumption was 365.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 485]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 478]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 524]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 531]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 249 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 649 SDtfs, 1344 SDslu, 706 SDs, 0 SdLazy, 3662 SolverSat, 888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=695occurred 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: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 247 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 818 PreInvPairs, 869 NumberOfFragments, 1119 HoareAnnotationTreeSize, 818 FomulaSimplifications, 75553 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 19043 FormulaSimplificationTreeSizeReductionInter, 10.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 438 ConstructedInterpolants, 0 QuantifiedInterpolants, 133597 SizeOfPredicates, 3 NumberOfNonLiveVariables, 800 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 43/46 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...