/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:03:29,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:03:29,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:03:29,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:03:29,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:03:29,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:03:29,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:03:29,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:03:29,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:03:29,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:03:29,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:03:29,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:03:29,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:03:29,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:03:29,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:03:29,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:03:29,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:03:29,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:03:29,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:03:29,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:03:29,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:03:29,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:03:29,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:03:29,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:03:29,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 13:03:29,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 13:03:29,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 13:03:29,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 13:03:29,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 13:03:29,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 13:03:29,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 13:03:29,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 13:03:29,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 13:03:29,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 13:03:29,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 13:03:29,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 13:03:29,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 13:03:29,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 13:03:29,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:03:29,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:03:29,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:03:29,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:03:29,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:03:29,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:03:29,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:03:29,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:03:29,522 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:03:29,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:03:29,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:03:29,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:03:29,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:03:29,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:03:29,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:03:29,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:03:29,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:03:29,524 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:03:29,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:03:29,524 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:03:29,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:03:29,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:03:29,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:03:29,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:03:29,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:03:29,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:03:29,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:03:29,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:03:29,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:03:29,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:03:29,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:03:29,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:03:29,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:03:29,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:03:29,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:03:29,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:03:29,922 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:03:29,923 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:03:29,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2021-02-23 13:03:30,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ccbbefd/7a1943cbd43b427888b2599536e3ff92/FLAG1b34af02b [2021-02-23 13:03:30,848 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:03:30,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2021-02-23 13:03:30,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ccbbefd/7a1943cbd43b427888b2599536e3ff92/FLAG1b34af02b [2021-02-23 13:03:31,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ccbbefd/7a1943cbd43b427888b2599536e3ff92 [2021-02-23 13:03:31,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:03:31,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:03:31,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:03:31,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:03:31,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:03:31,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:03:31" (1/1) ... [2021-02-23 13:03:31,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554df810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31, skipping insertion in model container [2021-02-23 13:03:31,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:03:31" (1/1) ... [2021-02-23 13:03:31,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:03:31,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:03:31,398 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c[3403,3416] [2021-02-23 13:03:31,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:03:31,516 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:03:31,540 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c[3403,3416] [2021-02-23 13:03:31,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:03:31,660 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:03:31,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31 WrapperNode [2021-02-23 13:03:31,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:03:31,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:03:31,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:03:31,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:03:31,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31" (1/1) ... [2021-02-23 13:03:31,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31" (1/1) ... [2021-02-23 13:03:31,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31" (1/1) ... [2021-02-23 13:03:31,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31" (1/1) ... [2021-02-23 13:03:31,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31" (1/1) ... [2021-02-23 13:03:31,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31" (1/1) ... [2021-02-23 13:03:31,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31" (1/1) ... [2021-02-23 13:03:31,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:03:31,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:03:31,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:03:31,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:03:31,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:03:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:03:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:03:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 13:03:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:03:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 13:03:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 13:03:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 13:03:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 13:03:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:03:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-23 13:03:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-23 13:03:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-23 13:03:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 13:03:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 13:03:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 13:03:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 13:03:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 13:03:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 13:03:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 13:03:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-23 13:03:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 13:03:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 13:03:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 13:03:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 13:03:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 13:03:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 13:03:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 13:03:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 13:03:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 13:03:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 13:03:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 13:03:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 13:03:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 13:03:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-23 13:03:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 13:03:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 13:03:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 13:03:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 13:03:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 13:03:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 13:03:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-23 13:03:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:03:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:03:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:03:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:03:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 13:03:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 13:03:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 13:03:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 13:03:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 13:03:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 13:03:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 13:03:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 13:03:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 13:03:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-23 13:03:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 13:03:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 13:03:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 13:03:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 13:03:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 13:03:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:03:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 13:03:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 13:03:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 13:03:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-23 13:03:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-23 13:03:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 13:03:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 13:03:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 13:03:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-23 13:03:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 13:03:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 13:03:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 13:03:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 13:03:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 13:03:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 13:03:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:03:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 13:03:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 13:03:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:03:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 13:03:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 13:03:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:03:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 13:03:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 13:03:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 13:03:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 13:03:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 13:03:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 13:03:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 13:03:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-23 13:03:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-23 13:03:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 13:03:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:03:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:03:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:03:33,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:03:33,533 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 13:03:33,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:03:33 BoogieIcfgContainer [2021-02-23 13:03:33,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:03:33,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:03:33,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:03:33,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:03:33,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:03:31" (1/3) ... [2021-02-23 13:03:33,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452a2fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:03:33, skipping insertion in model container [2021-02-23 13:03:33,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:03:31" (2/3) ... [2021-02-23 13:03:33,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452a2fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:03:33, skipping insertion in model container [2021-02-23 13:03:33,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:03:33" (3/3) ... [2021-02-23 13:03:33,553 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product21.cil.c [2021-02-23 13:03:33,561 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:03:33,586 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:03:33,612 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:03:33,659 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:03:33,659 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:03:33,660 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:03:33,661 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:03:33,661 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:03:33,661 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:03:33,661 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:03:33,662 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:03:33,691 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2021-02-23 13:03:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 13:03:33,708 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:03:33,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:03:33,710 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:03:33,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:03:33,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2104291377, now seen corresponding path program 1 times [2021-02-23 13:03:33,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:03:33,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703061449] [2021-02-23 13:03:33,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:03:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:34,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:34,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:34,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:34,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:34,968 WARN L202 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 13:03:34,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:03:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:03:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 13:03:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:03:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 13:03:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 13:03:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-23 13:03:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:03:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-23 13:03:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-23 13:03:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:35,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:35,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-23 13:03:35,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703061449] [2021-02-23 13:03:35,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:03:35,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:03:35,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746703421] [2021-02-23 13:03:35,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:03:35,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:03:35,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:03:35,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:03:35,249 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 4 states. [2021-02-23 13:03:37,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:03:37,284 INFO L93 Difference]: Finished difference Result 291 states and 375 transitions. [2021-02-23 13:03:37,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:03:37,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-23 13:03:37,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:03:37,312 INFO L225 Difference]: With dead ends: 291 [2021-02-23 13:03:37,312 INFO L226 Difference]: Without dead ends: 160 [2021-02-23 13:03:37,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:03:37,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-02-23 13:03:37,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 132. [2021-02-23 13:03:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-02-23 13:03:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2021-02-23 13:03:37,417 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 59 [2021-02-23 13:03:37,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:03:37,418 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2021-02-23 13:03:37,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:03:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2021-02-23 13:03:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-02-23 13:03:37,422 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:03:37,423 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:03:37,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:03:37,423 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:03:37,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:03:37,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1283870336, now seen corresponding path program 1 times [2021-02-23 13:03:37,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:03:37,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23267807] [2021-02-23 13:03:37,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:03:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:37,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:37,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:37,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:37,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:37,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:37,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:37,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:37,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:03:37,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:37,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:38,243 WARN L202 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 13:03:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:03:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:03:38,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:03:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:38,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 13:03:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:38,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:03:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 13:03:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:38,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 13:03:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:38,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-23 13:03:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:38,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:03:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:38,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-23 13:03:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 13:03:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:38,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:38,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-23 13:03:38,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23267807] [2021-02-23 13:03:38,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:03:38,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 13:03:38,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007466371] [2021-02-23 13:03:38,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:03:38,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:03:38,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:03:38,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:03:38,415 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 9 states. [2021-02-23 13:03:39,302 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 13:03:40,160 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 13:03:40,930 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 13:03:41,650 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 13:03:43,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:03:43,888 INFO L93 Difference]: Finished difference Result 264 states and 330 transitions. [2021-02-23 13:03:43,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 13:03:43,890 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2021-02-23 13:03:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:03:43,894 INFO L225 Difference]: With dead ends: 264 [2021-02-23 13:03:43,894 INFO L226 Difference]: Without dead ends: 160 [2021-02-23 13:03:43,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-23 13:03:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-02-23 13:03:43,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 132. [2021-02-23 13:03:43,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-02-23 13:03:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2021-02-23 13:03:43,947 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 64 [2021-02-23 13:03:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:03:43,948 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2021-02-23 13:03:43,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:03:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2021-02-23 13:03:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-02-23 13:03:43,951 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:03:43,951 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:03:43,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:03:43,952 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:03:43,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:03:43,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1561338443, now seen corresponding path program 1 times [2021-02-23 13:03:43,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:03:43,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197953777] [2021-02-23 13:03:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:03:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:44,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,717 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 13:03:44,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:03:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:03:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 13:03:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:03:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 13:03:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 13:03:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 13:03:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:03:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-23 13:03:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:03:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:03:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 13:03:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-02-23 13:03:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:44,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:44,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-23 13:03:44,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197953777] [2021-02-23 13:03:44,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:03:44,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:03:44,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653447412] [2021-02-23 13:03:44,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:03:44,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:03:44,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:03:44,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:03:44,883 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 6 states. [2021-02-23 13:03:46,035 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 13:03:47,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:03:47,810 INFO L93 Difference]: Finished difference Result 251 states and 313 transitions. [2021-02-23 13:03:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:03:47,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2021-02-23 13:03:47,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:03:47,815 INFO L225 Difference]: With dead ends: 251 [2021-02-23 13:03:47,815 INFO L226 Difference]: Without dead ends: 165 [2021-02-23 13:03:47,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-02-23 13:03:47,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-02-23 13:03:47,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 123. [2021-02-23 13:03:47,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2021-02-23 13:03:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2021-02-23 13:03:47,859 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 73 [2021-02-23 13:03:47,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:03:47,859 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2021-02-23 13:03:47,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:03:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2021-02-23 13:03:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-02-23 13:03:47,862 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:03:47,862 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:03:47,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:03:47,863 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:03:47,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:03:47,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1410258953, now seen corresponding path program 1 times [2021-02-23 13:03:47,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:03:47,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748929948] [2021-02-23 13:03:47,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:03:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:47,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:47,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:47,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:47,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:47,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:47,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:47,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:47,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:47,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:47,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:47,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:47,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:47,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:47,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:47,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:47,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:47,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:47,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,634 WARN L202 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 13:03:48,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:03:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:03:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 13:03:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:03:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 13:03:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 13:03:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-23 13:03:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:03:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-23 13:03:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:48,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:03:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:03:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-02-23 13:03:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:03:48,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-02-23 13:03:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:03:48,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:03:48,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:03:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 13:03:48,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748929948] [2021-02-23 13:03:48,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:03:48,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 13:03:48,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412563453] [2021-02-23 13:03:48,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:03:48,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:03:48,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:03:48,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:03:48,802 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 9 states. [2021-02-23 13:03:49,676 WARN L202 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 13:03:51,007 WARN L202 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 13:03:52,402 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 13:03:53,074 WARN L202 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 13:03:53,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:03:53,220 INFO L93 Difference]: Finished difference Result 202 states and 252 transitions. [2021-02-23 13:03:53,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:03:53,221 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2021-02-23 13:03:53,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:03:53,222 INFO L225 Difference]: With dead ends: 202 [2021-02-23 13:03:53,222 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 13:03:53,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-23 13:03:53,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 13:03:53,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 13:03:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 13:03:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 13:03:53,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2021-02-23 13:03:53,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:03:53,227 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 13:03:53,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:03:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 13:03:53,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 13:03:53,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 13:03:53,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 13:03:54,970 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-23 13:03:55,482 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-23 13:03:55,957 WARN L202 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-23 13:03:56,546 WARN L202 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-23 13:03:57,285 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 13:03:57,882 WARN L202 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2021-02-23 13:03:58,537 WARN L202 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-23 13:03:59,211 WARN L202 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-23 13:03:59,859 WARN L202 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-23 13:04:00,409 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-23 13:04:00,979 WARN L202 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-23 13:04:01,538 WARN L202 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-23 13:04:02,184 WARN L202 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-23 13:04:02,794 WARN L202 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-23 13:04:03,406 WARN L202 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-23 13:04:04,000 WARN L202 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-23 13:04:04,591 WARN L202 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-23 13:04:05,206 WARN L202 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-23 13:04:05,278 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 13:04:05,278 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 13:04:05,278 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 13:04:05,278 INFO L189 CegarLoopUtils]: For program point L415(line 415) no Hoare annotation was computed. [2021-02-23 13:04:05,279 INFO L189 CegarLoopUtils]: For program point L414-2(lines 414 435) no Hoare annotation was computed. [2021-02-23 13:04:05,279 INFO L189 CegarLoopUtils]: For program point L436(lines 413 437) no Hoare annotation was computed. [2021-02-23 13:04:05,279 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 389 444) no Hoare annotation was computed. [2021-02-23 13:04:05,279 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 389 444) no Hoare annotation was computed. [2021-02-23 13:04:05,279 INFO L189 CegarLoopUtils]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-02-23 13:04:05,279 INFO L189 CegarLoopUtils]: For program point L420-1(lines 420 424) no Hoare annotation was computed. [2021-02-23 13:04:05,279 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 389 444) no Hoare annotation was computed. [2021-02-23 13:04:05,279 INFO L189 CegarLoopUtils]: For program point L477(lines 477 481) no Hoare annotation was computed. [2021-02-23 13:04:05,279 INFO L189 CegarLoopUtils]: For program point L477-1(lines 477 481) no Hoare annotation was computed. [2021-02-23 13:04:05,280 INFO L189 CegarLoopUtils]: For program point L472(line 472) no Hoare annotation was computed. [2021-02-23 13:04:05,280 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 445 504) no Hoare annotation was computed. [2021-02-23 13:04:05,280 INFO L189 CegarLoopUtils]: For program point L471-2(lines 471 496) no Hoare annotation was computed. [2021-02-23 13:04:05,280 INFO L189 CegarLoopUtils]: For program point L497(lines 470 498) no Hoare annotation was computed. [2021-02-23 13:04:05,280 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 445 504) no Hoare annotation was computed. [2021-02-23 13:04:05,280 INFO L189 CegarLoopUtils]: For program point L490(line 490) no Hoare annotation was computed. [2021-02-23 13:04:05,280 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 445 504) no Hoare annotation was computed. [2021-02-23 13:04:05,280 INFO L189 CegarLoopUtils]: For program point L490-1(line 490) no Hoare annotation was computed. [2021-02-23 13:04:05,281 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 320 326) the Hoare annotation is: true [2021-02-23 13:04:05,281 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 320 326) no Hoare annotation was computed. [2021-02-23 13:04:05,281 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 327 335) no Hoare annotation was computed. [2021-02-23 13:04:05,281 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 327 335) the Hoare annotation is: true [2021-02-23 13:04:05,281 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 327 335) no Hoare annotation was computed. [2021-02-23 13:04:05,281 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 152 159) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-23 13:04:05,281 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 152 159) no Hoare annotation was computed. [2021-02-23 13:04:05,282 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 152 159) no Hoare annotation was computed. [2021-02-23 13:04:05,282 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 160 169) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-23 13:04:05,282 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 160 169) no Hoare annotation was computed. [2021-02-23 13:04:05,282 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 160 169) no Hoare annotation was computed. [2021-02-23 13:04:05,282 INFO L189 CegarLoopUtils]: For program point L165(line 165) no Hoare annotation was computed. [2021-02-23 13:04:05,282 INFO L185 CegarLoopUtils]: At program point L185(line 185) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2021-02-23 13:04:05,282 INFO L189 CegarLoopUtils]: For program point L183(lines 183 189) no Hoare annotation was computed. [2021-02-23 13:04:05,282 INFO L189 CegarLoopUtils]: For program point L182(lines 182 192) no Hoare annotation was computed. [2021-02-23 13:04:05,283 INFO L192 CegarLoopUtils]: At program point L180(line 180) the Hoare annotation is: true [2021-02-23 13:04:05,285 INFO L189 CegarLoopUtils]: For program point L180-1(line 180) no Hoare annotation was computed. [2021-02-23 13:04:05,285 INFO L189 CegarLoopUtils]: For program point L178(lines 178 195) no Hoare annotation was computed. [2021-02-23 13:04:05,285 INFO L189 CegarLoopUtils]: For program point L178-1(lines 170 198) no Hoare annotation was computed. [2021-02-23 13:04:05,285 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 170 198) the Hoare annotation is: true [2021-02-23 13:04:05,285 INFO L192 CegarLoopUtils]: At program point L176(line 176) the Hoare annotation is: true [2021-02-23 13:04:05,285 INFO L189 CegarLoopUtils]: For program point L176-1(line 176) no Hoare annotation was computed. [2021-02-23 13:04:05,285 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 170 198) no Hoare annotation was computed. [2021-02-23 13:04:05,285 INFO L185 CegarLoopUtils]: At program point L130-1(line 130) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,286 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 124 146) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,286 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 124 146) no Hoare annotation was computed. [2021-02-23 13:04:05,286 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 124 146) no Hoare annotation was computed. [2021-02-23 13:04:05,286 INFO L185 CegarLoopUtils]: At program point L136(line 136) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,287 INFO L185 CegarLoopUtils]: At program point L136-1(line 136) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,287 INFO L189 CegarLoopUtils]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-02-23 13:04:05,287 INFO L189 CegarLoopUtils]: For program point L134-1(lines 134 141) no Hoare annotation was computed. [2021-02-23 13:04:05,287 INFO L189 CegarLoopUtils]: For program point L132(line 132) no Hoare annotation was computed. [2021-02-23 13:04:05,287 INFO L185 CegarLoopUtils]: At program point L131(line 131) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,287 INFO L185 CegarLoopUtils]: At program point L130(line 130) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,287 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point L90(line 90) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-02-23 13:04:05,288 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L189 CegarLoopUtils]: For program point L87(line 87) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 886 894) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 886 894) the Hoare annotation is: true [2021-02-23 13:04:05,289 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 886 894) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L189 CegarLoopUtils]: For program point L940(lines 940 944) no Hoare annotation was computed. [2021-02-23 13:04:05,289 INFO L192 CegarLoopUtils]: At program point L938(line 938) the Hoare annotation is: true [2021-02-23 13:04:05,290 INFO L189 CegarLoopUtils]: For program point L940-2(lines 940 944) no Hoare annotation was computed. [2021-02-23 13:04:05,290 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 931 949) the Hoare annotation is: true [2021-02-23 13:04:05,290 INFO L189 CegarLoopUtils]: For program point L938-1(line 938) no Hoare annotation was computed. [2021-02-23 13:04:05,291 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 931 949) no Hoare annotation was computed. [2021-02-23 13:04:05,291 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 931 949) no Hoare annotation was computed. [2021-02-23 13:04:05,291 INFO L189 CegarLoopUtils]: For program point L925(line 925) no Hoare annotation was computed. [2021-02-23 13:04:05,291 INFO L189 CegarLoopUtils]: For program point L925-1(line 925) no Hoare annotation was computed. [2021-02-23 13:04:05,291 INFO L189 CegarLoopUtils]: For program point L914(lines 914 922) no Hoare annotation was computed. [2021-02-23 13:04:05,291 INFO L189 CegarLoopUtils]: For program point L914-2(lines 914 922) no Hoare annotation was computed. [2021-02-23 13:04:05,291 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 895 930) no Hoare annotation was computed. [2021-02-23 13:04:05,291 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 895 930) no Hoare annotation was computed. [2021-02-23 13:04:05,291 INFO L189 CegarLoopUtils]: For program point L902(lines 902 910) no Hoare annotation was computed. [2021-02-23 13:04:05,292 INFO L189 CegarLoopUtils]: For program point L902-2(lines 902 910) no Hoare annotation was computed. [2021-02-23 13:04:05,292 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 895 930) no Hoare annotation was computed. [2021-02-23 13:04:05,292 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 313 319) no Hoare annotation was computed. [2021-02-23 13:04:05,293 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 313 319) the Hoare annotation is: true [2021-02-23 13:04:05,293 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 343 388) no Hoare annotation was computed. [2021-02-23 13:04:05,293 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 343 388) no Hoare annotation was computed. [2021-02-23 13:04:05,293 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 343 388) no Hoare annotation was computed. [2021-02-23 13:04:05,293 INFO L189 CegarLoopUtils]: For program point L670(lines 670 690) no Hoare annotation was computed. [2021-02-23 13:04:05,293 INFO L189 CegarLoopUtils]: For program point L670-1(lines 670 690) no Hoare annotation was computed. [2021-02-23 13:04:05,293 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 656 701) no Hoare annotation was computed. [2021-02-23 13:04:05,293 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 656 701) no Hoare annotation was computed. [2021-02-23 13:04:05,293 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 656 701) no Hoare annotation was computed. [2021-02-23 13:04:05,294 INFO L189 CegarLoopUtils]: For program point L676(lines 676 683) no Hoare annotation was computed. [2021-02-23 13:04:05,294 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 110 120) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,294 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 110 120) no Hoare annotation was computed. [2021-02-23 13:04:05,294 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 110 120) no Hoare annotation was computed. [2021-02-23 13:04:05,294 INFO L185 CegarLoopUtils]: At program point L115(line 115) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-23 13:04:05,294 INFO L192 CegarLoopUtils]: At program point L880(line 880) the Hoare annotation is: true [2021-02-23 13:04:05,294 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 875 885) the Hoare annotation is: true [2021-02-23 13:04:05,294 INFO L189 CegarLoopUtils]: For program point L880-1(line 880) no Hoare annotation was computed. [2021-02-23 13:04:05,294 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 875 885) no Hoare annotation was computed. [2021-02-23 13:04:05,295 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 875 885) no Hoare annotation was computed. [2021-02-23 13:04:05,295 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 867 874) the Hoare annotation is: true [2021-02-23 13:04:05,295 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 867 874) no Hoare annotation was computed. [2021-02-23 13:04:05,295 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 867 874) no Hoare annotation was computed. [2021-02-23 13:04:05,295 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 834 858) no Hoare annotation was computed. [2021-02-23 13:04:05,295 INFO L185 CegarLoopUtils]: At program point L853(line 853) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,296 INFO L189 CegarLoopUtils]: For program point L853-1(lines 834 858) no Hoare annotation was computed. [2021-02-23 13:04:05,296 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 834 858) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,296 INFO L185 CegarLoopUtils]: At program point L848(line 848) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,296 INFO L185 CegarLoopUtils]: At program point L844(line 844) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,296 INFO L189 CegarLoopUtils]: For program point L842(lines 842 850) no Hoare annotation was computed. [2021-02-23 13:04:05,296 INFO L185 CegarLoopUtils]: At program point L840(line 840) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,296 INFO L189 CegarLoopUtils]: For program point L840-1(line 840) no Hoare annotation was computed. [2021-02-23 13:04:05,297 INFO L189 CegarLoopUtils]: For program point L838(lines 838 855) no Hoare annotation was computed. [2021-02-23 13:04:05,297 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 800 806) no Hoare annotation was computed. [2021-02-23 13:04:05,297 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 800 806) the Hoare annotation is: true [2021-02-23 13:04:05,297 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 703 766) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,297 INFO L185 CegarLoopUtils]: At program point L735(line 735) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 13:04:05,297 INFO L189 CegarLoopUtils]: For program point L733(lines 733 739) no Hoare annotation was computed. [2021-02-23 13:04:05,297 INFO L189 CegarLoopUtils]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2021-02-23 13:04:05,298 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 703 766) no Hoare annotation was computed. [2021-02-23 13:04:05,298 INFO L185 CegarLoopUtils]: At program point L725(line 725) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 13:04:05,298 INFO L185 CegarLoopUtils]: At program point L756(lines 713 758) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 13:04:05,298 INFO L189 CegarLoopUtils]: For program point L723(lines 723 729) no Hoare annotation was computed. [2021-02-23 13:04:05,298 INFO L189 CegarLoopUtils]: For program point L723-1(lines 723 729) no Hoare annotation was computed. [2021-02-23 13:04:05,298 INFO L189 CegarLoopUtils]: For program point L715(lines 715 719) no Hoare annotation was computed. [2021-02-23 13:04:05,298 INFO L185 CegarLoopUtils]: At program point L759(lines 712 760) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,298 INFO L189 CegarLoopUtils]: For program point L749(lines 749 753) no Hoare annotation was computed. [2021-02-23 13:04:05,299 INFO L185 CegarLoopUtils]: At program point L749-2(lines 743 754) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 13:04:05,299 INFO L189 CegarLoopUtils]: For program point L714(lines 713 758) no Hoare annotation was computed. [2021-02-23 13:04:05,299 INFO L189 CegarLoopUtils]: For program point L743(lines 743 754) no Hoare annotation was computed. [2021-02-23 13:04:05,299 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 703 766) no Hoare annotation was computed. [2021-02-23 13:04:05,299 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 610 655) no Hoare annotation was computed. [2021-02-23 13:04:05,299 INFO L189 CegarLoopUtils]: For program point L630(lines 630 637) no Hoare annotation was computed. [2021-02-23 13:04:05,299 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 610 655) no Hoare annotation was computed. [2021-02-23 13:04:05,299 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 610 655) no Hoare annotation was computed. [2021-02-23 13:04:05,299 INFO L189 CegarLoopUtils]: For program point L624(lines 624 644) no Hoare annotation was computed. [2021-02-23 13:04:05,299 INFO L189 CegarLoopUtils]: For program point L624-1(lines 624 644) no Hoare annotation was computed. [2021-02-23 13:04:05,300 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 292 300) no Hoare annotation was computed. [2021-02-23 13:04:05,300 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 292 300) the Hoare annotation is: true [2021-02-23 13:04:05,300 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 292 300) no Hoare annotation was computed. [2021-02-23 13:04:05,300 INFO L189 CegarLoopUtils]: For program point L268(lines 268 276) no Hoare annotation was computed. [2021-02-23 13:04:05,300 INFO L189 CegarLoopUtils]: For program point L268-2(lines 268 276) no Hoare annotation was computed. [2021-02-23 13:04:05,300 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 260 282) no Hoare annotation was computed. [2021-02-23 13:04:05,300 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 260 282) no Hoare annotation was computed. [2021-02-23 13:04:05,300 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 260 282) no Hoare annotation was computed. [2021-02-23 13:04:05,300 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 303 312) no Hoare annotation was computed. [2021-02-23 13:04:05,300 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 303 312) no Hoare annotation was computed. [2021-02-23 13:04:05,301 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 303 312) no Hoare annotation was computed. [2021-02-23 13:04:05,301 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 507 609) no Hoare annotation was computed. [2021-02-23 13:04:05,301 INFO L189 CegarLoopUtils]: For program point L572(line 572) no Hoare annotation was computed. [2021-02-23 13:04:05,301 INFO L189 CegarLoopUtils]: For program point L572-1(line 572) no Hoare annotation was computed. [2021-02-23 13:04:05,301 INFO L189 CegarLoopUtils]: For program point L531(lines 531 535) no Hoare annotation was computed. [2021-02-23 13:04:05,302 INFO L189 CegarLoopUtils]: For program point L595(lines 595 606) no Hoare annotation was computed. [2021-02-23 13:04:05,302 INFO L189 CegarLoopUtils]: For program point L558(lines 558 562) no Hoare annotation was computed. [2021-02-23 13:04:05,302 INFO L189 CegarLoopUtils]: For program point L556-2(lines 556 576) no Hoare annotation was computed. [2021-02-23 13:04:05,302 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 507 609) no Hoare annotation was computed. [2021-02-23 13:04:05,303 INFO L189 CegarLoopUtils]: For program point L577(lines 555 578) no Hoare annotation was computed. [2021-02-23 13:04:05,303 INFO L189 CegarLoopUtils]: For program point L536(lines 536 552) no Hoare annotation was computed. [2021-02-23 13:04:05,303 INFO L189 CegarLoopUtils]: For program point L596(lines 596 603) no Hoare annotation was computed. [2021-02-23 13:04:05,303 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 507 609) no Hoare annotation was computed. [2021-02-23 13:04:05,304 INFO L189 CegarLoopUtils]: For program point L557(lines 556 576) no Hoare annotation was computed. [2021-02-23 13:04:05,304 INFO L189 CegarLoopUtils]: For program point L588(line 588) no Hoare annotation was computed. [2021-02-23 13:04:05,304 INFO L189 CegarLoopUtils]: For program point L588-1(line 588) no Hoare annotation was computed. [2021-02-23 13:04:05,304 INFO L189 CegarLoopUtils]: For program point L553(lines 553 594) no Hoare annotation was computed. [2021-02-23 13:04:05,304 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:04:05,304 INFO L185 CegarLoopUtils]: 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)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string12.offset| |old(#t~string12.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~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.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~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~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~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2021-02-23 13:04:05,305 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:04:05,305 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 859 866) no Hoare annotation was computed. [2021-02-23 13:04:05,305 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 859 866) no Hoare annotation was computed. [2021-02-23 13:04:05,305 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 859 866) no Hoare annotation was computed. [2021-02-23 13:04:05,305 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 283 291) the Hoare annotation is: true [2021-02-23 13:04:05,305 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 283 291) no Hoare annotation was computed. [2021-02-23 13:04:05,305 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 283 291) no Hoare annotation was computed. [2021-02-23 13:04:05,305 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 239 250) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-23 13:04:05,306 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 239 250) no Hoare annotation was computed. [2021-02-23 13:04:05,306 INFO L189 CegarLoopUtils]: For program point L243-1(lines 239 250) no Hoare annotation was computed. [2021-02-23 13:04:05,306 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:04:05,306 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-23 13:04:05,306 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:04:05,306 INFO L185 CegarLoopUtils]: At program point L789(line 789) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-23 13:04:05,306 INFO L185 CegarLoopUtils]: At program point L787(lines 787 793) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-23 13:04:05,306 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 773 799) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,307 INFO L185 CegarLoopUtils]: At program point L782(line 782) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,307 INFO L189 CegarLoopUtils]: For program point L780(lines 776 798) no Hoare annotation was computed. [2021-02-23 13:04:05,308 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 773 799) no Hoare annotation was computed. [2021-02-23 13:04:05,308 INFO L189 CegarLoopUtils]: For program point L778(lines 776 798) no Hoare annotation was computed. [2021-02-23 13:04:05,308 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 773 799) no Hoare annotation was computed. [2021-02-23 13:04:05,308 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-02-23 13:04:05,308 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2021-02-23 13:04:05,308 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2021-02-23 13:04:05,309 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-02-23 13:04:05,309 INFO L192 CegarLoopUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2021-02-23 13:04:05,309 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-02-23 13:04:05,309 INFO L192 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2021-02-23 13:04:05,309 INFO L192 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: true [2021-02-23 13:04:05,309 INFO L189 CegarLoopUtils]: For program point L50-1(line 50) no Hoare annotation was computed. [2021-02-23 13:04:05,309 INFO L192 CegarLoopUtils]: At program point L69(lines 44 73) the Hoare annotation is: true [2021-02-23 13:04:05,309 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 251 259) the Hoare annotation is: true [2021-02-23 13:04:05,309 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 251 259) no Hoare annotation was computed. [2021-02-23 13:04:05,311 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 251 259) no Hoare annotation was computed. [2021-02-23 13:04:05,311 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 215 226) the Hoare annotation is: true [2021-02-23 13:04:05,311 INFO L189 CegarLoopUtils]: For program point L219-1(lines 215 226) no Hoare annotation was computed. [2021-02-23 13:04:05,311 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 215 226) no Hoare annotation was computed. [2021-02-23 13:04:05,311 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2021-02-23 13:04:05,311 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2021-02-23 13:04:05,311 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:04:05,311 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-23 13:04:05,312 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 13:04:05,312 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:04:05,312 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 227 238) no Hoare annotation was computed. [2021-02-23 13:04:05,312 INFO L189 CegarLoopUtils]: For program point L231-1(lines 227 238) no Hoare annotation was computed. [2021-02-23 13:04:05,312 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 227 238) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-23 13:04:05,312 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 200 207) no Hoare annotation was computed. [2021-02-23 13:04:05,312 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 204) no Hoare annotation was computed. [2021-02-23 13:04:05,313 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 200 207) the Hoare annotation is: true [2021-02-23 13:04:05,313 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 200 207) no Hoare annotation was computed. [2021-02-23 13:04:05,313 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 808 832) no Hoare annotation was computed. [2021-02-23 13:04:05,313 INFO L185 CegarLoopUtils]: At program point L827(line 827) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,313 INFO L185 CegarLoopUtils]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 808 832) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,313 INFO L189 CegarLoopUtils]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2021-02-23 13:04:05,313 INFO L185 CegarLoopUtils]: At program point L822(line 822) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,313 INFO L185 CegarLoopUtils]: At program point L818(line 818) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,314 INFO L189 CegarLoopUtils]: For program point L816(lines 816 824) no Hoare annotation was computed. [2021-02-23 13:04:05,314 INFO L185 CegarLoopUtils]: At program point L814(line 814) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-23 13:04:05,314 INFO L189 CegarLoopUtils]: For program point L814-1(line 814) no Hoare annotation was computed. [2021-02-23 13:04:05,314 INFO L189 CegarLoopUtils]: For program point L812(lines 812 829) no Hoare annotation was computed. [2021-02-23 13:04:05,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:04:05 BoogieIcfgContainer [2021-02-23 13:04:05,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:04:05,333 INFO L168 Benchmark]: Toolchain (without parser) took 34240.97 ms. Allocated memory was 158.3 MB in the beginning and 339.7 MB in the end (delta: 181.4 MB). Free memory was 132.2 MB in the beginning and 271.1 MB in the end (delta: -138.9 MB). Peak memory consumption was 203.2 MB. Max. memory is 8.0 GB. [2021-02-23 13:04:05,334 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 158.3 MB. Free memory is still 129.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:04:05,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.49 ms. Allocated memory is still 158.3 MB. Free memory was 131.0 MB in the beginning and 109.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:04:05,335 INFO L168 Benchmark]: Boogie Preprocessor took 170.50 ms. Allocated memory is still 158.3 MB. Free memory was 109.4 MB in the beginning and 105.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-23 13:04:05,336 INFO L168 Benchmark]: RCFGBuilder took 1703.16 ms. Allocated memory is still 158.3 MB. Free memory was 105.4 MB in the beginning and 52.8 MB in the end (delta: 52.7 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:04:05,336 INFO L168 Benchmark]: TraceAbstraction took 31788.14 ms. Allocated memory was 158.3 MB in the beginning and 339.7 MB in the end (delta: 181.4 MB). Free memory was 52.2 MB in the beginning and 271.7 MB in the end (delta: -219.4 MB). Peak memory consumption was 121.9 MB. Max. memory is 8.0 GB. [2021-02-23 13:04:05,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 158.3 MB. Free memory is still 129.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 555.49 ms. Allocated memory is still 158.3 MB. Free memory was 131.0 MB in the beginning and 109.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 170.50 ms. Allocated memory is still 158.3 MB. Free memory was 109.4 MB in the beginning and 105.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1703.16 ms. Allocated memory is still 158.3 MB. Free memory was 105.4 MB in the beginning and 52.8 MB in the end (delta: 52.7 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 31788.14 ms. Allocated memory was 158.3 MB in the beginning and 339.7 MB in the end (delta: 181.4 MB). Free memory was 52.2 MB in the beginning and 271.7 MB in the end (delta: -219.4 MB). Peak memory consumption was 121.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 204]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: !(systemActive == 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, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.5s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 426 SDtfs, 709 SDslu, 294 SDs, 0 SdLazy, 1253 SolverSat, 449 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 98 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 255 PreInvPairs, 273 NumberOfFragments, 715 HoareAnnotationTreeSize, 255 FomulaSimplifications, 10916 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5684 FormulaSimplificationTreeSizeReductionInter, 10.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 269 ConstructedInterpolants, 0 QuantifiedInterpolants, 86108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...