/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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:10:12,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:10:12,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:10:12,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:10:12,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:10:12,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:10:12,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:10:12,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:10:12,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:10:12,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:10:12,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:10:12,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:10:12,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:10:12,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:10:12,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:10:12,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:10:12,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:10:12,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:10:12,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:10:12,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:10:12,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:10:12,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:10:12,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:10:12,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:10:12,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:10:12,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:10:12,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:10:12,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:10:12,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:10:12,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:10:12,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:10:12,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:10:12,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:10:12,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:10:12,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:10:12,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:10:12,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:10:12,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:10:12,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:10:12,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:10:12,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:10:12,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 17:10:12,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:10:12,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:10:12,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:10:12,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:10:12,560 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:10:12,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:10:12,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:10:12,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:10:12,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:10:12,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:10:12,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:10:12,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:10:12,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:10:12,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:10:12,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:10:12,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:10:12,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:10:12,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:10:12,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:10:12,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:10:12,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:10:12,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:10:12,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:10:12,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:10:12,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:10:12,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:10:12,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:10:12,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:10:12,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:10:12,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:10:13,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:10:13,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:10:13,028 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:10:13,029 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:10:13,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2021-02-19 17:10:13,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4359d6ae2/d9184bb993bb4fefbf65ecbdcd10e632/FLAG52d622aee [2021-02-19 17:10:13,790 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:10:13,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2021-02-19 17:10:13,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4359d6ae2/d9184bb993bb4fefbf65ecbdcd10e632/FLAG52d622aee [2021-02-19 17:10:14,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4359d6ae2/d9184bb993bb4fefbf65ecbdcd10e632 [2021-02-19 17:10:14,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:10:14,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:10:14,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:10:14,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:10:14,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:10:14,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:10:14" (1/1) ... [2021-02-19 17:10:14,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12da5e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14, skipping insertion in model container [2021-02-19 17:10:14,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:10:14" (1/1) ... [2021-02-19 17:10:14,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:10:14,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:10:14,408 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_product12.cil.c[5975,5988] [2021-02-19 17:10:14,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:10:14,543 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:10:14,655 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_product12.cil.c[5975,5988] [2021-02-19 17:10:14,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:10:14,808 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:10:14,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14 WrapperNode [2021-02-19 17:10:14,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:10:14,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:10:14,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:10:14,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:10:14,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14" (1/1) ... [2021-02-19 17:10:14,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14" (1/1) ... [2021-02-19 17:10:14,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14" (1/1) ... [2021-02-19 17:10:14,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14" (1/1) ... [2021-02-19 17:10:14,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14" (1/1) ... [2021-02-19 17:10:14,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14" (1/1) ... [2021-02-19 17:10:14,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14" (1/1) ... [2021-02-19 17:10:14,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:10:14,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:10:14,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:10:14,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:10:14,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:10:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:10:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:10:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:10:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:10:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:10:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:10:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:10:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:10:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:10:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-19 17:10:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:10:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:10:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:10:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:10:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:10:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 17:10:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 17:10:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:10:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:10:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:10:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:10:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:10:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:10:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:10:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:10:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:10:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:10:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:10:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:10:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:10:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:10:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:10:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:10:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:10:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:10:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:10:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:10:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:10:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:10:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:10:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:10:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:10:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:10:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:10:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:10:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:10:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:10:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:10:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:10:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:10:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:10:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:10:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:10:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:10:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:10:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:10:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:10:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:10:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:10:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 17:10:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 17:10:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:10:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-19 17:10:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:10:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:10:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:10:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:10:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:10:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:10:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:10:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:10:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:10:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:10:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:10:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:10:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:10:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:10:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:10:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:10:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:10:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:10:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:10:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:10:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:10:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:10:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:10:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:10:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:10:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:10:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:10:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:10:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:10:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:10:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:10:16,595 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:10:16,595 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:10:16,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:10:16 BoogieIcfgContainer [2021-02-19 17:10:16,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:10:16,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:10:16,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:10:16,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:10:16,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:10:14" (1/3) ... [2021-02-19 17:10:16,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512aad2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:10:16, skipping insertion in model container [2021-02-19 17:10:16,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:14" (2/3) ... [2021-02-19 17:10:16,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512aad2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:10:16, skipping insertion in model container [2021-02-19 17:10:16,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:10:16" (3/3) ... [2021-02-19 17:10:16,608 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2021-02-19 17:10:16,615 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:10:16,621 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:10:16,641 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:10:16,670 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:10:16,671 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:10:16,671 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:10:16,671 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:10:16,671 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:10:16,671 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:10:16,671 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:10:16,672 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:10:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2021-02-19 17:10:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 17:10:16,704 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:16,705 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] [2021-02-19 17:10:16,705 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:16,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:16,712 INFO L82 PathProgramCache]: Analyzing trace with hash -210391148, now seen corresponding path program 1 times [2021-02-19 17:10:16,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:16,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499380733] [2021-02-19 17:10:16,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,624 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:17,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 17:10:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:10:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:10:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:17,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:17,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:17,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:10:17,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499380733] [2021-02-19 17:10:17,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:17,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:10:17,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229692934] [2021-02-19 17:10:17,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:10:17,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:17,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:10:17,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:10:17,843 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2021-02-19 17:10:19,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:19,037 INFO L93 Difference]: Finished difference Result 236 states and 309 transitions. [2021-02-19 17:10:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:10:19,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-19 17:10:19,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:19,061 INFO L225 Difference]: With dead ends: 236 [2021-02-19 17:10:19,061 INFO L226 Difference]: Without dead ends: 133 [2021-02-19 17:10:19,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:10:19,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-02-19 17:10:19,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2021-02-19 17:10:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-02-19 17:10:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2021-02-19 17:10:19,153 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 59 [2021-02-19 17:10:19,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:19,153 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2021-02-19 17:10:19,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:10:19,154 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2021-02-19 17:10:19,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-19 17:10:19,157 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:19,158 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] [2021-02-19 17:10:19,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:10:19,158 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:19,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:19,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1954712926, now seen corresponding path program 1 times [2021-02-19 17:10:19,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:19,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285255851] [2021-02-19 17:10:19,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:19,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,717 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:19,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 17:10:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 17:10:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 17:10:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:19,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:19,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:10:19,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285255851] [2021-02-19 17:10:19,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:19,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:10:19,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521330500] [2021-02-19 17:10:19,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:10:19,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:19,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:10:19,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:10:19,805 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 5 states. [2021-02-19 17:10:20,481 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:10:21,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:21,225 INFO L93 Difference]: Finished difference Result 168 states and 207 transitions. [2021-02-19 17:10:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:10:21,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-02-19 17:10:21,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:21,229 INFO L225 Difference]: With dead ends: 168 [2021-02-19 17:10:21,229 INFO L226 Difference]: Without dead ends: 123 [2021-02-19 17:10:21,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:10:21,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-02-19 17:10:21,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2021-02-19 17:10:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2021-02-19 17:10:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2021-02-19 17:10:21,271 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 60 [2021-02-19 17:10:21,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:21,272 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2021-02-19 17:10:21,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:10:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-02-19 17:10:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-19 17:10:21,275 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:21,275 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] [2021-02-19 17:10:21,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:10:21,275 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:21,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:21,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1848917662, now seen corresponding path program 1 times [2021-02-19 17:10:21,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:21,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402274651] [2021-02-19 17:10:21,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:21,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:21,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:21,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:21,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:10:21,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:10:21,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:10:21,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:21,735 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:10:21,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:21,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:21,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:21,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:21,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:21,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:10:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:21,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:21,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:10:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:21,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-02-19 17:10:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:21,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:21,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:21,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:10:21,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402274651] [2021-02-19 17:10:21,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:21,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:10:21,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991809552] [2021-02-19 17:10:21,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:10:21,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:21,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:10:21,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:10:21,851 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 9 states. [2021-02-19 17:10:22,419 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:10:22,881 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:23,301 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:23,646 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:24,732 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:10:26,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:26,018 INFO L93 Difference]: Finished difference Result 326 states and 405 transitions. [2021-02-19 17:10:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:10:26,019 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2021-02-19 17:10:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:26,025 INFO L225 Difference]: With dead ends: 326 [2021-02-19 17:10:26,025 INFO L226 Difference]: Without dead ends: 259 [2021-02-19 17:10:26,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-02-19 17:10:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-02-19 17:10:26,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 194. [2021-02-19 17:10:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2021-02-19 17:10:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 232 transitions. [2021-02-19 17:10:26,092 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 232 transitions. Word has length 65 [2021-02-19 17:10:26,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:26,093 INFO L480 AbstractCegarLoop]: Abstraction has 194 states and 232 transitions. [2021-02-19 17:10:26,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:10:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2021-02-19 17:10:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-02-19 17:10:26,095 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:26,096 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] [2021-02-19 17:10:26,096 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:10:26,096 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:26,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:26,097 INFO L82 PathProgramCache]: Analyzing trace with hash -661390854, now seen corresponding path program 1 times [2021-02-19 17:10:26,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:26,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948708311] [2021-02-19 17:10:26,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:26,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:26,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:26,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:26,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:26,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:26,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,552 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:26,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:26,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:10:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-19 17:10:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-19 17:10:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:26,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-19 17:10:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:26,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:26,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 17:10:26,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948708311] [2021-02-19 17:10:26,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:26,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 17:10:26,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510900301] [2021-02-19 17:10:26,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 17:10:26,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:26,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 17:10:26,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 17:10:26,715 INFO L87 Difference]: Start difference. First operand 194 states and 232 transitions. Second operand 8 states. [2021-02-19 17:10:27,262 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:10:28,155 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:28,802 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:29,168 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:29,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:29,377 INFO L93 Difference]: Finished difference Result 374 states and 478 transitions. [2021-02-19 17:10:29,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 17:10:29,378 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2021-02-19 17:10:29,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:29,379 INFO L225 Difference]: With dead ends: 374 [2021-02-19 17:10:29,380 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:10:29,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 17:10:29,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:10:29,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:10:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:10:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:10:29,384 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2021-02-19 17:10:29,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:29,384 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:10:29,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 17:10:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:10:29,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:10:29,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:10:29,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:10:31,551 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:31,780 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:32,104 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:32,366 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:32,641 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:32,891 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:33,131 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2021-02-19 17:10:33,458 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:33,731 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:34,233 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2021-02-19 17:10:34,508 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:34,989 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:10:35,254 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 17:10:35,549 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:36,051 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:10:36,556 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:10:36,824 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:37,087 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:10:37,358 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:37,648 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:10:37,930 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:10:38,197 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2021-02-19 17:10:38,212 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:10:38,213 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:10:38,213 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:10:38,213 INFO L189 CegarLoopUtils]: For program point L598(lines 598 602) no Hoare annotation was computed. [2021-02-19 17:10:38,213 INFO L189 CegarLoopUtils]: For program point L598-1(lines 598 602) no Hoare annotation was computed. [2021-02-19 17:10:38,214 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 567 622) no Hoare annotation was computed. [2021-02-19 17:10:38,214 INFO L189 CegarLoopUtils]: For program point L593(line 593) no Hoare annotation was computed. [2021-02-19 17:10:38,214 INFO L189 CegarLoopUtils]: For program point L592-2(lines 592 613) no Hoare annotation was computed. [2021-02-19 17:10:38,214 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 567 622) no Hoare annotation was computed. [2021-02-19 17:10:38,214 INFO L189 CegarLoopUtils]: For program point L614(lines 591 615) no Hoare annotation was computed. [2021-02-19 17:10:38,215 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 567 622) no Hoare annotation was computed. [2021-02-19 17:10:38,215 INFO L189 CegarLoopUtils]: For program point L668(line 668) no Hoare annotation was computed. [2021-02-19 17:10:38,215 INFO L189 CegarLoopUtils]: For program point L668-1(line 668) no Hoare annotation was computed. [2021-02-19 17:10:38,215 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 623 682) no Hoare annotation was computed. [2021-02-19 17:10:38,215 INFO L189 CegarLoopUtils]: For program point L655(lines 655 659) no Hoare annotation was computed. [2021-02-19 17:10:38,216 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 623 682) no Hoare annotation was computed. [2021-02-19 17:10:38,216 INFO L189 CegarLoopUtils]: For program point L655-1(lines 655 659) no Hoare annotation was computed. [2021-02-19 17:10:38,216 INFO L189 CegarLoopUtils]: For program point L650(line 650) no Hoare annotation was computed. [2021-02-19 17:10:38,216 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 623 682) no Hoare annotation was computed. [2021-02-19 17:10:38,216 INFO L189 CegarLoopUtils]: For program point L649-2(lines 649 674) no Hoare annotation was computed. [2021-02-19 17:10:38,216 INFO L189 CegarLoopUtils]: For program point L675(lines 648 676) no Hoare annotation was computed. [2021-02-19 17:10:38,216 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 899 905) the Hoare annotation is: true [2021-02-19 17:10:38,217 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 899 905) no Hoare annotation was computed. [2021-02-19 17:10:38,217 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 906 914) no Hoare annotation was computed. [2021-02-19 17:10:38,217 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 906 914) the Hoare annotation is: true [2021-02-19 17:10:38,217 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 906 914) no Hoare annotation was computed. [2021-02-19 17:10:38,217 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 46 53) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-19 17:10:38,217 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 46 53) no Hoare annotation was computed. [2021-02-19 17:10:38,217 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 46 53) no Hoare annotation was computed. [2021-02-19 17:10:38,218 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 54 63) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2021-02-19 17:10:38,218 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-02-19 17:10:38,218 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 54 63) no Hoare annotation was computed. [2021-02-19 17:10:38,218 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 54 63) no Hoare annotation was computed. [2021-02-19 17:10:38,218 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 64 92) the Hoare annotation is: true [2021-02-19 17:10:38,218 INFO L185 CegarLoopUtils]: At program point L79(line 79) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 17:10:38,218 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-02-19 17:10:38,218 INFO L189 CegarLoopUtils]: For program point L76(lines 76 86) no Hoare annotation was computed. [2021-02-19 17:10:38,219 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 64 92) no Hoare annotation was computed. [2021-02-19 17:10:38,219 INFO L192 CegarLoopUtils]: At program point L74(line 74) the Hoare annotation is: true [2021-02-19 17:10:38,219 INFO L189 CegarLoopUtils]: For program point L74-1(line 74) no Hoare annotation was computed. [2021-02-19 17:10:38,219 INFO L189 CegarLoopUtils]: For program point L72(lines 72 89) no Hoare annotation was computed. [2021-02-19 17:10:38,219 INFO L189 CegarLoopUtils]: For program point L72-1(lines 64 92) no Hoare annotation was computed. [2021-02-19 17:10:38,219 INFO L192 CegarLoopUtils]: At program point L70(line 70) the Hoare annotation is: true [2021-02-19 17:10:38,219 INFO L189 CegarLoopUtils]: For program point L70-1(line 70) no Hoare annotation was computed. [2021-02-19 17:10:38,220 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 491 513) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:38,220 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 491 513) no Hoare annotation was computed. [2021-02-19 17:10:38,220 INFO L185 CegarLoopUtils]: At program point L503(line 503) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:38,220 INFO L185 CegarLoopUtils]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:38,220 INFO L189 CegarLoopUtils]: For program point L501(lines 501 508) no Hoare annotation was computed. [2021-02-19 17:10:38,220 INFO L189 CegarLoopUtils]: For program point L501-1(lines 501 508) no Hoare annotation was computed. [2021-02-19 17:10:38,220 INFO L189 CegarLoopUtils]: For program point L499(line 499) no Hoare annotation was computed. [2021-02-19 17:10:38,221 INFO L185 CegarLoopUtils]: At program point L498(line 498) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:38,221 INFO L185 CegarLoopUtils]: At program point L497(line 497) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:38,221 INFO L185 CegarLoopUtils]: At program point L497-1(line 497) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:38,221 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 491 513) no Hoare annotation was computed. [2021-02-19 17:10:38,221 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 446 469) no Hoare annotation was computed. [2021-02-19 17:10:38,221 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 446 469) no Hoare annotation was computed. [2021-02-19 17:10:38,222 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 446 469) no Hoare annotation was computed. [2021-02-19 17:10:38,222 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2021-02-19 17:10:38,222 INFO L189 CegarLoopUtils]: For program point L463(line 463) no Hoare annotation was computed. [2021-02-19 17:10:38,222 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2021-02-19 17:10:38,222 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2021-02-19 17:10:38,222 INFO L189 CegarLoopUtils]: For program point L460(line 460) no Hoare annotation was computed. [2021-02-19 17:10:38,222 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2021-02-19 17:10:38,222 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2021-02-19 17:10:38,223 INFO L189 CegarLoopUtils]: For program point L457(line 457) no Hoare annotation was computed. [2021-02-19 17:10:38,223 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2021-02-19 17:10:38,223 INFO L189 CegarLoopUtils]: For program point L455(line 455) no Hoare annotation was computed. [2021-02-19 17:10:38,223 INFO L189 CegarLoopUtils]: For program point L454(line 454) no Hoare annotation was computed. [2021-02-19 17:10:38,223 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2021-02-19 17:10:38,223 INFO L189 CegarLoopUtils]: For program point L452(line 452) no Hoare annotation was computed. [2021-02-19 17:10:38,223 INFO L189 CegarLoopUtils]: For program point L451(line 451) no Hoare annotation was computed. [2021-02-19 17:10:38,223 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 230 244) no Hoare annotation was computed. [2021-02-19 17:10:38,224 INFO L185 CegarLoopUtils]: At program point L236(line 236) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 17:10:38,224 INFO L189 CegarLoopUtils]: For program point L234(lines 234 240) no Hoare annotation was computed. [2021-02-19 17:10:38,224 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 230 244) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 17:10:38,224 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 230 244) no Hoare annotation was computed. [2021-02-19 17:10:38,224 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseEXIT(lines 140 147) no Hoare annotation was computed. [2021-02-19 17:10:38,224 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseENTRY(lines 140 147) no Hoare annotation was computed. [2021-02-19 17:10:38,224 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseFINAL(lines 140 147) no Hoare annotation was computed. [2021-02-19 17:10:38,225 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 185 193) no Hoare annotation was computed. [2021-02-19 17:10:38,225 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 185 193) the Hoare annotation is: true [2021-02-19 17:10:38,225 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 185 193) no Hoare annotation was computed. [2021-02-19 17:10:38,225 INFO L189 CegarLoopUtils]: For program point L224(line 224) no Hoare annotation was computed. [2021-02-19 17:10:38,225 INFO L189 CegarLoopUtils]: For program point L224-1(line 224) no Hoare annotation was computed. [2021-02-19 17:10:38,225 INFO L189 CegarLoopUtils]: For program point L213(lines 213 221) no Hoare annotation was computed. [2021-02-19 17:10:38,225 INFO L189 CegarLoopUtils]: For program point L213-2(lines 213 221) no Hoare annotation was computed. [2021-02-19 17:10:38,225 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 194 229) no Hoare annotation was computed. [2021-02-19 17:10:38,226 INFO L189 CegarLoopUtils]: For program point L201(lines 201 209) no Hoare annotation was computed. [2021-02-19 17:10:38,226 INFO L189 CegarLoopUtils]: For program point L201-2(lines 201 209) no Hoare annotation was computed. [2021-02-19 17:10:38,226 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 194 229) no Hoare annotation was computed. [2021-02-19 17:10:38,226 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 194 229) no Hoare annotation was computed. [2021-02-19 17:10:38,226 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 892 898) no Hoare annotation was computed. [2021-02-19 17:10:38,226 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 892 898) the Hoare annotation is: true [2021-02-19 17:10:38,226 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 521 566) no Hoare annotation was computed. [2021-02-19 17:10:38,226 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 521 566) no Hoare annotation was computed. [2021-02-19 17:10:38,227 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 521 566) no Hoare annotation was computed. [2021-02-19 17:10:38,227 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 834 879) no Hoare annotation was computed. [2021-02-19 17:10:38,227 INFO L189 CegarLoopUtils]: For program point L854(lines 854 861) no Hoare annotation was computed. [2021-02-19 17:10:38,227 INFO L189 CegarLoopUtils]: For program point L848(lines 848 868) no Hoare annotation was computed. [2021-02-19 17:10:38,227 INFO L189 CegarLoopUtils]: For program point L848-1(lines 848 868) no Hoare annotation was computed. [2021-02-19 17:10:38,227 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 834 879) no Hoare annotation was computed. [2021-02-19 17:10:38,227 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 834 879) no Hoare annotation was computed. [2021-02-19 17:10:38,228 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 477 487) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:38,228 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 477 487) no Hoare annotation was computed. [2021-02-19 17:10:38,228 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 477 487) no Hoare annotation was computed. [2021-02-19 17:10:38,228 INFO L185 CegarLoopUtils]: At program point L482(line 482) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2021-02-19 17:10:38,228 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 174 184) no Hoare annotation was computed. [2021-02-19 17:10:38,228 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 174 184) no Hoare annotation was computed. [2021-02-19 17:10:38,228 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 174 184) no Hoare annotation was computed. [2021-02-19 17:10:38,228 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-02-19 17:10:38,229 INFO L189 CegarLoopUtils]: For program point L179-1(line 179) no Hoare annotation was computed. [2021-02-19 17:10:38,229 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 166 173) the Hoare annotation is: true [2021-02-19 17:10:38,229 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2021-02-19 17:10:38,229 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 166 173) no Hoare annotation was computed. [2021-02-19 17:10:38,229 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 133 139) no Hoare annotation was computed. [2021-02-19 17:10:38,229 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 133 139) the Hoare annotation is: true [2021-02-19 17:10:38,229 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 337 404) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:38,230 INFO L189 CegarLoopUtils]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-02-19 17:10:38,230 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 337 404) no Hoare annotation was computed. [2021-02-19 17:10:38,230 INFO L185 CegarLoopUtils]: At program point L397(lines 346 398) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:38,230 INFO L185 CegarLoopUtils]: At program point L387(line 387) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:38,230 INFO L189 CegarLoopUtils]: For program point L385(lines 385 391) no Hoare annotation was computed. [2021-02-19 17:10:38,230 INFO L185 CegarLoopUtils]: At program point L385-1(lines 377 392) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:38,230 INFO L189 CegarLoopUtils]: For program point L348(lines 347 396) no Hoare annotation was computed. [2021-02-19 17:10:38,231 INFO L185 CegarLoopUtils]: At program point L379(line 379) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:38,231 INFO L189 CegarLoopUtils]: For program point L377(lines 377 392) no Hoare annotation was computed. [2021-02-19 17:10:38,231 INFO L185 CegarLoopUtils]: At program point L369(line 369) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:38,231 INFO L189 CegarLoopUtils]: For program point L367(lines 367 373) no Hoare annotation was computed. [2021-02-19 17:10:38,231 INFO L189 CegarLoopUtils]: For program point L367-1(lines 367 373) no Hoare annotation was computed. [2021-02-19 17:10:38,231 INFO L185 CegarLoopUtils]: At program point L394(lines 347 396) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:38,232 INFO L185 CegarLoopUtils]: At program point L359(line 359) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:38,232 INFO L189 CegarLoopUtils]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-02-19 17:10:38,232 INFO L189 CegarLoopUtils]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2021-02-19 17:10:38,232 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 337 404) no Hoare annotation was computed. [2021-02-19 17:10:38,232 INFO L189 CegarLoopUtils]: For program point L802-1(lines 802 822) no Hoare annotation was computed. [2021-02-19 17:10:38,232 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 788 833) no Hoare annotation was computed. [2021-02-19 17:10:38,232 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 788 833) no Hoare annotation was computed. [2021-02-19 17:10:38,232 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 788 833) no Hoare annotation was computed. [2021-02-19 17:10:38,232 INFO L189 CegarLoopUtils]: For program point L808(lines 808 815) no Hoare annotation was computed. [2021-02-19 17:10:38,233 INFO L189 CegarLoopUtils]: For program point L802(lines 802 822) no Hoare annotation was computed. [2021-02-19 17:10:38,233 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 303 325) no Hoare annotation was computed. [2021-02-19 17:10:38,233 INFO L189 CegarLoopUtils]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-02-19 17:10:38,233 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 303 325) no Hoare annotation was computed. [2021-02-19 17:10:38,233 INFO L189 CegarLoopUtils]: For program point L311-2(lines 311 319) no Hoare annotation was computed. [2021-02-19 17:10:38,233 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 303 325) no Hoare annotation was computed. [2021-02-19 17:10:38,233 INFO L189 CegarLoopUtils]: For program point L735(lines 734 754) no Hoare annotation was computed. [2021-02-19 17:10:38,233 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 685 787) no Hoare annotation was computed. [2021-02-19 17:10:38,234 INFO L189 CegarLoopUtils]: For program point L766(line 766) no Hoare annotation was computed. [2021-02-19 17:10:38,234 INFO L189 CegarLoopUtils]: For program point L766-1(line 766) no Hoare annotation was computed. [2021-02-19 17:10:38,234 INFO L189 CegarLoopUtils]: For program point L731(lines 731 772) no Hoare annotation was computed. [2021-02-19 17:10:38,234 INFO L189 CegarLoopUtils]: For program point L750(line 750) no Hoare annotation was computed. [2021-02-19 17:10:38,234 INFO L189 CegarLoopUtils]: For program point L750-1(line 750) no Hoare annotation was computed. [2021-02-19 17:10:38,234 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 685 787) no Hoare annotation was computed. [2021-02-19 17:10:38,234 INFO L189 CegarLoopUtils]: For program point L709(lines 709 713) no Hoare annotation was computed. [2021-02-19 17:10:38,234 INFO L189 CegarLoopUtils]: For program point L773(lines 773 784) no Hoare annotation was computed. [2021-02-19 17:10:38,234 INFO L189 CegarLoopUtils]: For program point L736(lines 736 740) no Hoare annotation was computed. [2021-02-19 17:10:38,235 INFO L189 CegarLoopUtils]: For program point L734-2(lines 734 754) no Hoare annotation was computed. [2021-02-19 17:10:38,235 INFO L189 CegarLoopUtils]: For program point L755(lines 733 756) no Hoare annotation was computed. [2021-02-19 17:10:38,235 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 685 787) no Hoare annotation was computed. [2021-02-19 17:10:38,235 INFO L189 CegarLoopUtils]: For program point L714(lines 714 730) no Hoare annotation was computed. [2021-02-19 17:10:38,235 INFO L189 CegarLoopUtils]: For program point L774(lines 774 781) no Hoare annotation was computed. [2021-02-19 17:10:38,235 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 882 891) no Hoare annotation was computed. [2021-02-19 17:10:38,235 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 882 891) no Hoare annotation was computed. [2021-02-19 17:10:38,236 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 882 891) no Hoare annotation was computed. [2021-02-19 17:10:38,236 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:38,236 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 17:10:38,236 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:38,236 INFO L189 CegarLoopUtils]: For program point L160(line 160) no Hoare annotation was computed. [2021-02-19 17:10:38,237 INFO L189 CegarLoopUtils]: For program point L160-1(lines 149 165) no Hoare annotation was computed. [2021-02-19 17:10:38,237 INFO L189 CegarLoopUtils]: For program point L156(lines 156 162) no Hoare annotation was computed. [2021-02-19 17:10:38,237 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 149 165) no Hoare annotation was computed. [2021-02-19 17:10:38,237 INFO L189 CegarLoopUtils]: For program point L154(line 154) no Hoare annotation was computed. [2021-02-19 17:10:38,237 INFO L189 CegarLoopUtils]: For program point L154-1(line 154) no Hoare annotation was computed. [2021-02-19 17:10:38,237 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 149 165) no Hoare annotation was computed. [2021-02-19 17:10:38,237 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 326 334) the Hoare annotation is: true [2021-02-19 17:10:38,237 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 326 334) no Hoare annotation was computed. [2021-02-19 17:10:38,237 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 326 334) no Hoare annotation was computed. [2021-02-19 17:10:38,238 INFO L189 CegarLoopUtils]: For program point L286-1(lines 282 293) no Hoare annotation was computed. [2021-02-19 17:10:38,238 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 282 293) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:10:38,238 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 282 293) no Hoare annotation was computed. [2021-02-19 17:10:38,238 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:38,238 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:10:38,238 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:38,238 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalENTRY(lines 294 302) no Hoare annotation was computed. [2021-02-19 17:10:38,238 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 294 302) no Hoare annotation was computed. [2021-02-19 17:10:38,239 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 294 302) no Hoare annotation was computed. [2021-02-19 17:10:38,239 INFO L185 CegarLoopUtils]: At program point L122(line 122) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2021-02-19 17:10:38,239 INFO L192 CegarLoopUtils]: At program point L120(lines 120 126) the Hoare annotation is: true [2021-02-19 17:10:38,239 INFO L185 CegarLoopUtils]: At program point L115(line 115) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 17:10:38,239 INFO L189 CegarLoopUtils]: For program point L113(lines 109 131) no Hoare annotation was computed. [2021-02-19 17:10:38,239 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 106 132) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2021-02-19 17:10:38,239 INFO L189 CegarLoopUtils]: For program point L111(lines 109 131) no Hoare annotation was computed. [2021-02-19 17:10:38,239 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 106 132) no Hoare annotation was computed. [2021-02-19 17:10:38,240 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 106 132) no Hoare annotation was computed. [2021-02-19 17:10:38,240 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 416 445) no Hoare annotation was computed. [2021-02-19 17:10:38,240 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 416 445) the Hoare annotation is: true [2021-02-19 17:10:38,240 INFO L192 CegarLoopUtils]: At program point L441(lines 416 445) the Hoare annotation is: true [2021-02-19 17:10:38,240 INFO L189 CegarLoopUtils]: For program point L437(line 437) no Hoare annotation was computed. [2021-02-19 17:10:38,240 INFO L189 CegarLoopUtils]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-02-19 17:10:38,240 INFO L192 CegarLoopUtils]: At program point L430-1(lines 430 434) the Hoare annotation is: true [2021-02-19 17:10:38,240 INFO L189 CegarLoopUtils]: For program point L427(line 427) no Hoare annotation was computed. [2021-02-19 17:10:38,240 INFO L192 CegarLoopUtils]: At program point L426-2(lines 426 440) the Hoare annotation is: true [2021-02-19 17:10:38,241 INFO L192 CegarLoopUtils]: At program point L422(line 422) the Hoare annotation is: true [2021-02-19 17:10:38,241 INFO L189 CegarLoopUtils]: For program point L422-1(line 422) no Hoare annotation was computed. [2021-02-19 17:10:38,241 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 258 269) the Hoare annotation is: true [2021-02-19 17:10:38,241 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 258 269) no Hoare annotation was computed. [2021-02-19 17:10:38,241 INFO L189 CegarLoopUtils]: For program point L262-1(lines 258 269) no Hoare annotation was computed. [2021-02-19 17:10:38,241 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 470 476) no Hoare annotation was computed. [2021-02-19 17:10:38,241 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 470 476) the Hoare annotation is: true [2021-02-19 17:10:38,241 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:38,242 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-19 17:10:38,242 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:10:38,242 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:38,242 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 245 252) no Hoare annotation was computed. [2021-02-19 17:10:38,242 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 245 252) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2021-02-19 17:10:38,242 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 245 252) no Hoare annotation was computed. [2021-02-19 17:10:38,242 INFO L189 CegarLoopUtils]: For program point L274-1(lines 270 281) no Hoare annotation was computed. [2021-02-19 17:10:38,242 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 270 281) no Hoare annotation was computed. [2021-02-19 17:10:38,242 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 270 281) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 17:10:38,243 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2021-02-19 17:10:38,243 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2021-02-19 17:10:38,243 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2021-02-19 17:10:38,243 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2021-02-19 17:10:38,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:10:38 BoogieIcfgContainer [2021-02-19 17:10:38,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:10:38,261 INFO L168 Benchmark]: Toolchain (without parser) took 24179.73 ms. Allocated memory was 151.0 MB in the beginning and 332.4 MB in the end (delta: 181.4 MB). Free memory was 106.4 MB in the beginning and 218.1 MB in the end (delta: -111.7 MB). Peak memory consumption was 176.8 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:38,262 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 124.2 MB in the end (delta: 100.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:10:38,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.39 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 126.9 MB in the end (delta: -21.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:38,263 INFO L168 Benchmark]: Boogie Preprocessor took 162.05 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 123.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:38,264 INFO L168 Benchmark]: RCFGBuilder took 1623.03 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 91.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 52.6 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:38,264 INFO L168 Benchmark]: TraceAbstraction took 21659.85 ms. Allocated memory was 151.0 MB in the beginning and 332.4 MB in the end (delta: 181.4 MB). Free memory was 91.0 MB in the beginning and 218.1 MB in the end (delta: -127.1 MB). Peak memory consumption was 160.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:38,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 124.2 MB in the end (delta: 100.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 713.39 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 126.9 MB in the end (delta: -21.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 162.05 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 123.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1623.03 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 91.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 52.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21659.85 ms. Allocated memory was 151.0 MB in the beginning and 332.4 MB in the end (delta: 181.4 MB). Free memory was 91.0 MB in the beginning and 218.1 MB in the end (delta: -127.1 MB). Peak memory consumption was 160.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 347]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 387 SDtfs, 486 SDslu, 399 SDs, 0 SdLazy, 1348 SolverSat, 321 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=3, 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, 122 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 223 PreInvPairs, 263 NumberOfFragments, 648 HoareAnnotationTreeSize, 223 FomulaSimplifications, 23188 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 49 FomulaSimplificationsInter, 9448 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 77206 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...