/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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 15:37:14,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 15:37:14,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 15:37:14,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 15:37:14,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 15:37:14,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 15:37:14,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 15:37:14,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 15:37:14,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 15:37:14,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 15:37:14,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 15:37:14,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 15:37:14,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 15:37:14,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 15:37:14,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 15:37:14,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 15:37:14,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 15:37:14,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 15:37:14,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 15:37:14,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 15:37:14,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 15:37:14,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 15:37:14,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 15:37:14,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 15:37:14,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 15:37:14,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 15:37:14,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 15:37:14,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 15:37:14,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 15:37:14,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 15:37:14,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 15:37:14,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 15:37:14,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 15:37:14,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 15:37:14,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 15:37:14,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 15:37:14,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 15:37:14,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 15:37:14,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 15:37:14,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 15:37:14,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 15:37:14,355 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 [2021-02-21 15:37:14,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 15:37:14,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 15:37:14,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 15:37:14,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 15:37:14,410 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 15:37:14,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 15:37:14,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 15:37:14,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 15:37:14,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 15:37:14,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 15:37:14,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 15:37:14,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 15:37:14,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 15:37:14,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 15:37:14,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 15:37:14,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 15:37:14,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 15:37:14,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 15:37:14,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 15:37:14,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 15:37:14,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 15:37:14,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 15:37:14,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 15:37:14,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 15:37:14,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 15:37:14,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 15:37:14,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 15:37:14,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 15:37:14,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 15:37:14,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 15:37:14,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 15:37:14,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 15:37:14,945 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 15:37:14,946 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 15:37:14,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2021-02-21 15:37:15,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7837a984/2959d4f691674f06a991677f0adce1d3/FLAG668339592 [2021-02-21 15:37:15,581 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 15:37:15,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2021-02-21 15:37:15,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7837a984/2959d4f691674f06a991677f0adce1d3/FLAG668339592 [2021-02-21 15:37:15,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7837a984/2959d4f691674f06a991677f0adce1d3 [2021-02-21 15:37:15,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 15:37:15,894 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 15:37:15,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 15:37:15,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 15:37:15,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 15:37:15,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:37:15" (1/1) ... [2021-02-21 15:37:15,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58534d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:15, skipping insertion in model container [2021-02-21 15:37:15,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:37:15" (1/1) ... [2021-02-21 15:37:15,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 15:37:15,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 15:37:16,315 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_product14.cil.c[17487,17500] [2021-02-21 15:37:16,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:37:16,331 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 15:37:16,401 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_product14.cil.c[17487,17500] [2021-02-21 15:37:16,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:37:16,437 INFO L208 MainTranslator]: Completed translation [2021-02-21 15:37:16,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16 WrapperNode [2021-02-21 15:37:16,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 15:37:16,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 15:37:16,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 15:37:16,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 15:37:16,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16" (1/1) ... [2021-02-21 15:37:16,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16" (1/1) ... [2021-02-21 15:37:16,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16" (1/1) ... [2021-02-21 15:37:16,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16" (1/1) ... [2021-02-21 15:37:16,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16" (1/1) ... [2021-02-21 15:37:16,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16" (1/1) ... [2021-02-21 15:37:16,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16" (1/1) ... [2021-02-21 15:37:16,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 15:37:16,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 15:37:16,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 15:37:16,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 15:37:16,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16" (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 [2021-02-21 15:37:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 15:37:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 15:37:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 15:37:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 15:37:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-21 15:37:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-21 15:37:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-21 15:37:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 15:37:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 15:37:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 15:37:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 15:37:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 15:37:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 15:37:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 15:37:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 15:37:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 15:37:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 15:37:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 15:37:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 15:37:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 15:37:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 15:37:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-21 15:37:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 15:37:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 15:37:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 15:37:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 15:37:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 15:37:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-21 15:37:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 15:37:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 15:37:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 15:37:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 15:37:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 15:37:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 15:37:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 15:37:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 15:37:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 15:37:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 15:37:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 15:37:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 15:37:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 15:37:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 15:37:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 15:37:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 15:37:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 15:37:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 15:37:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 15:37:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 15:37:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 15:37:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-21 15:37:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-21 15:37:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-21 15:37:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 15:37:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 15:37:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 15:37:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 15:37:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 15:37:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 15:37:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 15:37:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 15:37:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 15:37:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 15:37:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 15:37:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 15:37:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 15:37:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 15:37:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 15:37:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 15:37:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 15:37:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 15:37:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 15:37:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 15:37:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 15:37:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 15:37:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 15:37:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 15:37:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 15:37:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 15:37:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 15:37:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 15:37:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 15:37:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 15:37:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 15:37:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 15:37:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 15:37:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-21 15:37:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 15:37:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 15:37:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 15:37:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-21 15:37:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 15:37:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 15:37:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 15:37:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 15:37:18,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 15:37:18,040 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 15:37:18,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:37:18 BoogieIcfgContainer [2021-02-21 15:37:18,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 15:37:18,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 15:37:18,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 15:37:18,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 15:37:18,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:37:15" (1/3) ... [2021-02-21 15:37:18,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d27d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:37:18, skipping insertion in model container [2021-02-21 15:37:18,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:16" (2/3) ... [2021-02-21 15:37:18,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d27d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:37:18, skipping insertion in model container [2021-02-21 15:37:18,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:37:18" (3/3) ... [2021-02-21 15:37:18,051 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2021-02-21 15:37:18,058 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 15:37:18,063 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 15:37:18,082 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 15:37:18,110 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 15:37:18,110 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 15:37:18,110 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 15:37:18,110 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 15:37:18,110 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 15:37:18,110 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 15:37:18,111 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 15:37:18,111 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 15:37:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2021-02-21 15:37:18,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-21 15:37:18,142 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:37:18,143 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] [2021-02-21 15:37:18,143 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:37:18,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:37:18,150 INFO L82 PathProgramCache]: Analyzing trace with hash 578691920, now seen corresponding path program 1 times [2021-02-21 15:37:18,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:37:18,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067900661] [2021-02-21 15:37:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:37:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:18,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:18,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:18,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:18,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,089 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:19,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:37:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:37:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:37:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:37:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:37:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-21 15:37:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-21 15:37:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-21 15:37:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:19,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:19,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-21 15:37:19,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067900661] [2021-02-21 15:37:19,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:37:19,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 15:37:19,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201476055] [2021-02-21 15:37:19,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 15:37:19,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:37:19,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 15:37:19,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:37:19,271 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2021-02-21 15:37:20,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:37:20,452 INFO L93 Difference]: Finished difference Result 259 states and 334 transitions. [2021-02-21 15:37:20,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 15:37:20,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-21 15:37:20,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:37:20,467 INFO L225 Difference]: With dead ends: 259 [2021-02-21 15:37:20,467 INFO L226 Difference]: Without dead ends: 144 [2021-02-21 15:37:20,471 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 [2021-02-21 15:37:20,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-02-21 15:37:20,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 116. [2021-02-21 15:37:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2021-02-21 15:37:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2021-02-21 15:37:20,560 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2021-02-21 15:37:20,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:37:20,561 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2021-02-21 15:37:20,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 15:37:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2021-02-21 15:37:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-21 15:37:20,565 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:37:20,565 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] [2021-02-21 15:37:20,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 15:37:20,566 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:37:20,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:37:20,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1046484682, now seen corresponding path program 1 times [2021-02-21 15:37:20,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:37:20,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20333538] [2021-02-21 15:37:20,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:37:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:20,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:20,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:20,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:20,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:20,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:20,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,082 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:21,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:37:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:37:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:37:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:37:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:37:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 15:37:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-21 15:37:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 15:37:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:21,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:21,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:21,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-21 15:37:21,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20333538] [2021-02-21 15:37:21,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:37:21,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 15:37:21,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498337697] [2021-02-21 15:37:21,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 15:37:21,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:37:21,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 15:37:21,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 15:37:21,228 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 5 states. [2021-02-21 15:37:21,828 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 15:37:22,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:37:22,755 INFO L93 Difference]: Finished difference Result 200 states and 242 transitions. [2021-02-21 15:37:22,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 15:37:22,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-02-21 15:37:22,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:37:22,760 INFO L225 Difference]: With dead ends: 200 [2021-02-21 15:37:22,761 INFO L226 Difference]: Without dead ends: 134 [2021-02-21 15:37:22,762 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 [2021-02-21 15:37:22,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-02-21 15:37:22,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 107. [2021-02-21 15:37:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-02-21 15:37:22,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2021-02-21 15:37:22,812 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 60 [2021-02-21 15:37:22,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:37:22,812 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2021-02-21 15:37:22,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 15:37:22,812 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2021-02-21 15:37:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-21 15:37:22,814 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:37:22,815 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] [2021-02-21 15:37:22,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 15:37:22,815 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:37:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:37:22,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1178919745, now seen corresponding path program 1 times [2021-02-21 15:37:22,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:37:22,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712559841] [2021-02-21 15:37:22,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:37:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:22,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:22,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:22,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:22,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:22,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:22,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:22,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:22,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:22,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:22,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:37:22,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:22,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:37:22,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:22,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:37:22,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:22,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:23,307 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:23,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 15:37:23,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:37:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:23,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:37:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:23,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:37:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:23,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:37:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:23,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:37:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:23,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 15:37:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:23,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:23,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-21 15:37:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:23,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-02-21 15:37:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:23,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:23,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-21 15:37:23,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712559841] [2021-02-21 15:37:23,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:37:23,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 15:37:23,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565796930] [2021-02-21 15:37:23,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 15:37:23,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:37:23,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 15:37:23,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-21 15:37:23,451 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 9 states. [2021-02-21 15:37:23,978 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:37:24,474 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:24,888 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:25,300 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:26,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:37:26,332 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2021-02-21 15:37:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 15:37:26,333 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2021-02-21 15:37:26,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:37:26,340 INFO L225 Difference]: With dead ends: 213 [2021-02-21 15:37:26,345 INFO L226 Difference]: Without dead ends: 134 [2021-02-21 15:37:26,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-21 15:37:26,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-02-21 15:37:26,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 107. [2021-02-21 15:37:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-02-21 15:37:26,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2021-02-21 15:37:26,391 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 65 [2021-02-21 15:37:26,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:37:26,392 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2021-02-21 15:37:26,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 15:37:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2021-02-21 15:37:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-02-21 15:37:26,394 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:37:26,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:37:26,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 15:37:26,394 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:37:26,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:37:26,395 INFO L82 PathProgramCache]: Analyzing trace with hash 770404639, now seen corresponding path program 1 times [2021-02-21 15:37:26,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:37:26,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797610917] [2021-02-21 15:37:26,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:37:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,846 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:37:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:37:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:37:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:37:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:37:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 15:37:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 15:37:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 15:37:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-21 15:37:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:26,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-02-21 15:37:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:26,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:26,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:26,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-21 15:37:26,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797610917] [2021-02-21 15:37:26,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:37:26,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 15:37:26,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985653604] [2021-02-21 15:37:26,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 15:37:26,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:37:26,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 15:37:26,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-21 15:37:26,980 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 9 states. [2021-02-21 15:37:27,467 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:37:28,391 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:29,199 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:29,604 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:29,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:37:29,701 INFO L93 Difference]: Finished difference Result 187 states and 232 transitions. [2021-02-21 15:37:29,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 15:37:29,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 73 [2021-02-21 15:37:29,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:37:29,703 INFO L225 Difference]: With dead ends: 187 [2021-02-21 15:37:29,703 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 15:37:29,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-21 15:37:29,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 15:37:29,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 15:37:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 15:37:29,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 15:37:29,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-02-21 15:37:29,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:37:29,707 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 15:37:29,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 15:37:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 15:37:29,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 15:37:29,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 15:37:29,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 15:37:31,249 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-21 15:37:31,490 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:31,751 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:32,055 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-21 15:37:32,407 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 11 [2021-02-21 15:37:32,763 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:33,048 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2021-02-21 15:37:33,312 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-21 15:37:33,591 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-21 15:37:33,876 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-21 15:37:34,128 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-21 15:37:34,346 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-21 15:37:34,613 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:34,880 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-21 15:37:35,174 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:35,453 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:35,741 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:35,784 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 15:37:35,784 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 15:37:35,784 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 15:37:35,784 INFO L189 CegarLoopUtils]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-02-21 15:37:35,784 INFO L189 CegarLoopUtils]: For program point L282-1(lines 282 286) no Hoare annotation was computed. [2021-02-21 15:37:35,785 INFO L189 CegarLoopUtils]: For program point L277(line 277) no Hoare annotation was computed. [2021-02-21 15:37:35,785 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 251 306) no Hoare annotation was computed. [2021-02-21 15:37:35,785 INFO L189 CegarLoopUtils]: For program point L276-2(lines 276 297) no Hoare annotation was computed. [2021-02-21 15:37:35,785 INFO L189 CegarLoopUtils]: For program point L298(lines 275 299) no Hoare annotation was computed. [2021-02-21 15:37:35,785 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 251 306) no Hoare annotation was computed. [2021-02-21 15:37:35,785 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 251 306) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point L352(line 352) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point L352-1(line 352) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 307 366) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point L339-1(lines 339 343) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 307 366) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point L334(line 334) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point L333-2(lines 333 358) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 307 366) no Hoare annotation was computed. [2021-02-21 15:37:35,786 INFO L189 CegarLoopUtils]: For program point L359(lines 332 360) no Hoare annotation was computed. [2021-02-21 15:37:35,787 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 897 903) the Hoare annotation is: true [2021-02-21 15:37:35,787 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 897 903) no Hoare annotation was computed. [2021-02-21 15:37:35,787 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 904 912) no Hoare annotation was computed. [2021-02-21 15:37:35,787 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 904 912) the Hoare annotation is: true [2021-02-21 15:37:35,787 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 904 912) no Hoare annotation was computed. [2021-02-21 15:37:35,787 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))) [2021-02-21 15:37:35,788 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 46 53) no Hoare annotation was computed. [2021-02-21 15:37:35,788 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 46 53) no Hoare annotation was computed. [2021-02-21 15:37:35,788 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)|) (not (= 1 ~systemActive~0))) [2021-02-21 15:37:35,788 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-02-21 15:37:35,788 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 54 63) no Hoare annotation was computed. [2021-02-21 15:37:35,788 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 54 63) no Hoare annotation was computed. [2021-02-21 15:37:35,788 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 64 92) the Hoare annotation is: true [2021-02-21 15:37:35,788 INFO L185 CegarLoopUtils]: At program point L79(line 79) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2021-02-21 15:37:35,789 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-02-21 15:37:35,789 INFO L189 CegarLoopUtils]: For program point L76(lines 76 86) no Hoare annotation was computed. [2021-02-21 15:37:35,789 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 64 92) no Hoare annotation was computed. [2021-02-21 15:37:35,789 INFO L192 CegarLoopUtils]: At program point L74(line 74) the Hoare annotation is: true [2021-02-21 15:37:35,789 INFO L189 CegarLoopUtils]: For program point L74-1(line 74) no Hoare annotation was computed. [2021-02-21 15:37:35,789 INFO L189 CegarLoopUtils]: For program point L72(lines 72 89) no Hoare annotation was computed. [2021-02-21 15:37:35,789 INFO L189 CegarLoopUtils]: For program point L72-1(lines 64 92) no Hoare annotation was computed. [2021-02-21 15:37:35,789 INFO L192 CegarLoopUtils]: At program point L70(line 70) the Hoare annotation is: true [2021-02-21 15:37:35,789 INFO L189 CegarLoopUtils]: For program point L70-1(line 70) no Hoare annotation was computed. [2021-02-21 15:37:35,790 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 175 197) 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))) [2021-02-21 15:37:35,790 INFO L185 CegarLoopUtils]: At program point L187(line 187) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-21 15:37:35,790 INFO L185 CegarLoopUtils]: At program point L187-1(line 187) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-21 15:37:35,790 INFO L189 CegarLoopUtils]: For program point L185(lines 185 192) no Hoare annotation was computed. [2021-02-21 15:37:35,790 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 175 197) no Hoare annotation was computed. [2021-02-21 15:37:35,790 INFO L189 CegarLoopUtils]: For program point L185-1(lines 185 192) no Hoare annotation was computed. [2021-02-21 15:37:35,790 INFO L189 CegarLoopUtils]: For program point L183(line 183) no Hoare annotation was computed. [2021-02-21 15:37:35,791 INFO L185 CegarLoopUtils]: At program point L182(line 182) 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))) [2021-02-21 15:37:35,791 INFO L185 CegarLoopUtils]: At program point L181(line 181) 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))) [2021-02-21 15:37:35,791 INFO L185 CegarLoopUtils]: At program point L181-1(line 181) 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))) [2021-02-21 15:37:35,791 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 175 197) no Hoare annotation was computed. [2021-02-21 15:37:35,791 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 129 152) no Hoare annotation was computed. [2021-02-21 15:37:35,791 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 129 152) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 129 152) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L147(line 147) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L145(line 145) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L144(line 144) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L142(line 142) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L141(line 141) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L139(line 139) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L138(line 138) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L136(line 136) no Hoare annotation was computed. [2021-02-21 15:37:35,792 INFO L189 CegarLoopUtils]: For program point L135(line 135) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 601 607) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 601 607) the Hoare annotation is: true [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseEXIT(lines 634 641) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseENTRY(lines 634 641) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseFINAL(lines 634 641) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 678 686) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 678 686) the Hoare annotation is: true [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 678 686) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point L694(lines 694 702) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point L694-2(lines 694 702) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 687 722) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point L717(line 717) no Hoare annotation was computed. [2021-02-21 15:37:35,793 INFO L189 CegarLoopUtils]: For program point L717-1(line 717) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 687 722) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 687 722) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point L706(lines 706 714) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 890 896) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 890 896) the Hoare annotation is: true [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 205 250) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 205 250) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 205 250) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point L538(lines 538 545) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 518 563) no Hoare annotation was computed. [2021-02-21 15:37:35,794 INFO L189 CegarLoopUtils]: For program point L532(lines 532 552) no Hoare annotation was computed. [2021-02-21 15:37:35,795 INFO L189 CegarLoopUtils]: For program point L532-1(lines 532 552) no Hoare annotation was computed. [2021-02-21 15:37:35,795 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 518 563) no Hoare annotation was computed. [2021-02-21 15:37:35,795 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 518 563) no Hoare annotation was computed. [2021-02-21 15:37:35,795 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 161 171) 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))) [2021-02-21 15:37:35,795 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 161 171) no Hoare annotation was computed. [2021-02-21 15:37:35,795 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 161 171) no Hoare annotation was computed. [2021-02-21 15:37:35,795 INFO L185 CegarLoopUtils]: At program point L166(line 166) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2021-02-21 15:37:35,795 INFO L192 CegarLoopUtils]: At program point L672(line 672) the Hoare annotation is: true [2021-02-21 15:37:35,795 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 667 677) the Hoare annotation is: true [2021-02-21 15:37:35,795 INFO L189 CegarLoopUtils]: For program point L672-1(line 672) no Hoare annotation was computed. [2021-02-21 15:37:35,796 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 667 677) no Hoare annotation was computed. [2021-02-21 15:37:35,796 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 667 677) no Hoare annotation was computed. [2021-02-21 15:37:35,796 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 659 666) the Hoare annotation is: true [2021-02-21 15:37:35,796 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 659 666) no Hoare annotation was computed. [2021-02-21 15:37:35,796 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 659 666) no Hoare annotation was computed. [2021-02-21 15:37:35,796 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 609 633) no Hoare annotation was computed. [2021-02-21 15:37:35,796 INFO L185 CegarLoopUtils]: At program point L628(line 628) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,796 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 609 633) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,796 INFO L189 CegarLoopUtils]: For program point L628-1(lines 609 633) no Hoare annotation was computed. [2021-02-21 15:37:35,797 INFO L185 CegarLoopUtils]: At program point L623(line 623) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,797 INFO L185 CegarLoopUtils]: At program point L619(line 619) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,797 INFO L189 CegarLoopUtils]: For program point L617(lines 617 625) no Hoare annotation was computed. [2021-02-21 15:37:35,797 INFO L185 CegarLoopUtils]: At program point L615(line 615) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,797 INFO L189 CegarLoopUtils]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-02-21 15:37:35,797 INFO L189 CegarLoopUtils]: For program point L613(lines 613 630) no Hoare annotation was computed. [2021-02-21 15:37:35,797 INFO L189 CegarLoopUtils]: For program point L832(lines 832 838) no Hoare annotation was computed. [2021-02-21 15:37:35,797 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 812 877) 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))) [2021-02-21 15:37:35,797 INFO L189 CegarLoopUtils]: For program point L832-1(lines 832 838) no Hoare annotation was computed. [2021-02-21 15:37:35,797 INFO L189 CegarLoopUtils]: For program point L824(lines 824 828) no Hoare annotation was computed. [2021-02-21 15:37:35,798 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 812 877) no Hoare annotation was computed. [2021-02-21 15:37:35,798 INFO L185 CegarLoopUtils]: At program point L870(lines 821 871) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,798 INFO L189 CegarLoopUtils]: For program point L860(lines 860 864) no Hoare annotation was computed. [2021-02-21 15:37:35,798 INFO L185 CegarLoopUtils]: At program point L860-2(lines 852 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,798 INFO L189 CegarLoopUtils]: For program point L823(lines 822 869) no Hoare annotation was computed. [2021-02-21 15:37:35,798 INFO L185 CegarLoopUtils]: At program point L854(line 854) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,798 INFO L189 CegarLoopUtils]: For program point L852(lines 852 865) no Hoare annotation was computed. [2021-02-21 15:37:35,798 INFO L185 CegarLoopUtils]: At program point L844(line 844) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,798 INFO L189 CegarLoopUtils]: For program point L842(lines 842 848) no Hoare annotation was computed. [2021-02-21 15:37:35,798 INFO L189 CegarLoopUtils]: For program point L842-1(lines 842 848) no Hoare annotation was computed. [2021-02-21 15:37:35,798 INFO L185 CegarLoopUtils]: At program point L867(lines 822 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,798 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 812 877) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L185 CegarLoopUtils]: At program point L834(line 834) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 472 517) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 472 517) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 472 517) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point L492(lines 492 499) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point L486(lines 486 506) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point L486-1(lines 486 506) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point L787-2(lines 787 795) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 779 801) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 779 801) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 779 801) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point L787(lines 787 795) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point L450-1(line 450) no Hoare annotation was computed. [2021-02-21 15:37:35,799 INFO L189 CegarLoopUtils]: For program point L415(lines 415 456) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 369 471) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point L434(line 434) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point L434-1(line 434) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point L457(lines 457 468) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 369 471) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point L418-2(lines 418 438) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point L439(lines 417 440) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 369 471) no Hoare annotation was computed. [2021-02-21 15:37:35,800 INFO L189 CegarLoopUtils]: For program point L398(lines 398 414) no Hoare annotation was computed. [2021-02-21 15:37:35,801 INFO L189 CegarLoopUtils]: For program point L458(lines 458 465) no Hoare annotation was computed. [2021-02-21 15:37:35,801 INFO L189 CegarLoopUtils]: For program point L419(lines 418 438) no Hoare annotation was computed. [2021-02-21 15:37:35,801 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2021-02-21 15:37:35,801 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 880 889) no Hoare annotation was computed. [2021-02-21 15:37:35,801 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 880 889) no Hoare annotation was computed. [2021-02-21 15:37:35,801 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 880 889) no Hoare annotation was computed. [2021-02-21 15:37:35,801 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:37:35,801 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#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)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-21 15:37:35,801 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L189 CegarLoopUtils]: For program point L653(line 653) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L189 CegarLoopUtils]: For program point L653-1(lines 642 658) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 642 658) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L189 CegarLoopUtils]: For program point L649(lines 649 655) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 642 658) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L189 CegarLoopUtils]: For program point L647(line 647) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L189 CegarLoopUtils]: For program point L647-1(line 647) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 802 810) the Hoare annotation is: true [2021-02-21 15:37:35,802 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 802 810) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 802 810) no Hoare annotation was computed. [2021-02-21 15:37:35,802 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 758 769) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-21 15:37:35,803 INFO L189 CegarLoopUtils]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2021-02-21 15:37:35,803 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 758 769) no Hoare annotation was computed. [2021-02-21 15:37:35,803 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:37:35,803 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-21 15:37:35,803 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:37:35,803 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 574 600) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,803 INFO L185 CegarLoopUtils]: At program point L590(line 590) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-21 15:37:35,803 INFO L185 CegarLoopUtils]: At program point L588(lines 588 594) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-21 15:37:35,804 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 574 600) no Hoare annotation was computed. [2021-02-21 15:37:35,804 INFO L185 CegarLoopUtils]: At program point L583(line 583) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:35,804 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 574 600) no Hoare annotation was computed. [2021-02-21 15:37:35,804 INFO L189 CegarLoopUtils]: For program point L581(lines 577 599) no Hoare annotation was computed. [2021-02-21 15:37:35,804 INFO L189 CegarLoopUtils]: For program point L579(lines 577 599) no Hoare annotation was computed. [2021-02-21 15:37:35,804 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 96 125) no Hoare annotation was computed. [2021-02-21 15:37:35,804 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 96 125) the Hoare annotation is: true [2021-02-21 15:37:35,804 INFO L192 CegarLoopUtils]: At program point L121(lines 96 125) the Hoare annotation is: true [2021-02-21 15:37:35,804 INFO L189 CegarLoopUtils]: For program point L117(line 117) no Hoare annotation was computed. [2021-02-21 15:37:35,804 INFO L189 CegarLoopUtils]: For program point L110(lines 110 114) no Hoare annotation was computed. [2021-02-21 15:37:35,805 INFO L192 CegarLoopUtils]: At program point L110-1(lines 110 114) the Hoare annotation is: true [2021-02-21 15:37:35,805 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-02-21 15:37:35,805 INFO L192 CegarLoopUtils]: At program point L106-2(lines 106 120) the Hoare annotation is: true [2021-02-21 15:37:35,805 INFO L192 CegarLoopUtils]: At program point L102(line 102) the Hoare annotation is: true [2021-02-21 15:37:35,805 INFO L189 CegarLoopUtils]: For program point L102-1(line 102) no Hoare annotation was computed. [2021-02-21 15:37:35,805 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 770 778) the Hoare annotation is: true [2021-02-21 15:37:35,805 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 770 778) no Hoare annotation was computed. [2021-02-21 15:37:35,805 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 770 778) no Hoare annotation was computed. [2021-02-21 15:37:35,805 INFO L189 CegarLoopUtils]: For program point L738-1(lines 734 745) no Hoare annotation was computed. [2021-02-21 15:37:35,805 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 734 745) the Hoare annotation is: true [2021-02-21 15:37:35,805 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 734 745) no Hoare annotation was computed. [2021-02-21 15:37:35,806 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 153 159) no Hoare annotation was computed. [2021-02-21 15:37:35,806 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 153 159) the Hoare annotation is: true [2021-02-21 15:37:35,806 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:37:35,806 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-21 15:37:35,806 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 15:37:35,806 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:37:35,806 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 723 730) no Hoare annotation was computed. [2021-02-21 15:37:35,806 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 723 730) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-21 15:37:35,806 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 723 730) no Hoare annotation was computed. [2021-02-21 15:37:35,806 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 746 757) no Hoare annotation was computed. [2021-02-21 15:37:35,807 INFO L189 CegarLoopUtils]: For program point L750-1(lines 746 757) no Hoare annotation was computed. [2021-02-21 15:37:35,807 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 746 757) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:37:35,807 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 914 921) no Hoare annotation was computed. [2021-02-21 15:37:35,807 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 918) no Hoare annotation was computed. [2021-02-21 15:37:35,807 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 914 921) the Hoare annotation is: true [2021-02-21 15:37:35,807 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 914 921) no Hoare annotation was computed. [2021-02-21 15:37:35,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:37:35 BoogieIcfgContainer [2021-02-21 15:37:35,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 15:37:35,827 INFO L168 Benchmark]: Toolchain (without parser) took 19942.59 ms. Allocated memory was 152.0 MB in the beginning and 404.8 MB in the end (delta: 252.7 MB). Free memory was 105.9 MB in the beginning and 199.4 MB in the end (delta: -93.4 MB). Peak memory consumption was 223.4 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:35,827 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 15:37:35,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.34 ms. Allocated memory is still 152.0 MB. Free memory was 104.7 MB in the beginning and 115.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:35,828 INFO L168 Benchmark]: Boogie Preprocessor took 143.31 ms. Allocated memory is still 152.0 MB. Free memory was 115.7 MB in the beginning and 130.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:35,829 INFO L168 Benchmark]: RCFGBuilder took 1453.05 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 130.8 MB in the beginning and 126.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:35,830 INFO L168 Benchmark]: TraceAbstraction took 17780.85 ms. Allocated memory was 182.5 MB in the beginning and 404.8 MB in the end (delta: 222.3 MB). Free memory was 126.3 MB in the beginning and 199.4 MB in the end (delta: -73.1 MB). Peak memory consumption was 211.8 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:35,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 542.34 ms. Allocated memory is still 152.0 MB. Free memory was 104.7 MB in the beginning and 115.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 143.31 ms. Allocated memory is still 152.0 MB. Free memory was 115.7 MB in the beginning and 130.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1453.05 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 130.8 MB in the beginning and 126.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17780.85 ms. Allocated memory was 182.5 MB in the beginning and 404.8 MB in the end (delta: 222.3 MB). Free memory was 126.3 MB in the beginning and 199.4 MB in the end (delta: -73.1 MB). Peak memory consumption was 211.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 918]: 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: 822]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 383 SDtfs, 556 SDslu, 257 SDs, 0 SdLazy, 1065 SolverSat, 385 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 82 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 188 PreInvPairs, 208 NumberOfFragments, 732 HoareAnnotationTreeSize, 188 FomulaSimplifications, 11486 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 5439 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 79897 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...