/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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:10:58,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:10:58,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:10:58,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:10:58,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:10:58,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:10:58,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:10:58,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:10:58,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:10:58,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:10:58,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:10:58,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:10:58,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:10:58,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:10:58,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:10:58,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:10:58,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:10:58,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:10:58,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:10:58,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:10:58,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:10:58,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:10:58,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:10:58,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:10:58,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:10:58,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:10:58,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:10:58,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:10:58,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:10:58,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:10:58,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:10:58,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:10:58,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:10:58,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:10:58,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:10:58,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:10:58,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:10:58,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:10:58,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:10:58,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:10:58,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:10:58,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 17:10:58,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:10:58,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:10:58,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:10:58,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:10:58,898 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:10:58,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:10:58,898 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:10:58,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:10:58,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:10:58,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:10:58,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:10:58,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:10:58,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:10:58,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:10:58,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:10:58,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:10:58,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:10:58,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:10:58,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:10:58,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:10:58,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:10:58,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:10:58,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:10:58,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:10:58,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:10:58,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:10:58,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:10:58,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:10:58,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:10:59,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:10:59,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:10:59,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:10:59,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:10:59,345 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:10:59,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2021-02-19 17:10:59,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa314035/7fa834cfd27e4903a231290007594d56/FLAG92f6d1f12 [2021-02-19 17:11:00,029 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:11:00,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2021-02-19 17:11:00,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa314035/7fa834cfd27e4903a231290007594d56/FLAG92f6d1f12 [2021-02-19 17:11:00,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa314035/7fa834cfd27e4903a231290007594d56 [2021-02-19 17:11:00,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:11:00,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:11:00,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:11:00,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:11:00,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:11:00,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:11:00" (1/1) ... [2021-02-19 17:11:00,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c1f29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:00, skipping insertion in model container [2021-02-19 17:11:00,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:11:00" (1/1) ... [2021-02-19 17:11:00,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:11:00,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:11:00,851 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_product30.cil.c[16083,16096] [2021-02-19 17:11:00,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:11:00,910 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:11:01,008 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_product30.cil.c[16083,16096] [2021-02-19 17:11:01,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:11:01,117 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:11:01,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01 WrapperNode [2021-02-19 17:11:01,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:11:01,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:11:01,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:11:01,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:11:01,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01" (1/1) ... [2021-02-19 17:11:01,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01" (1/1) ... [2021-02-19 17:11:01,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01" (1/1) ... [2021-02-19 17:11:01,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01" (1/1) ... [2021-02-19 17:11:01,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01" (1/1) ... [2021-02-19 17:11:01,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01" (1/1) ... [2021-02-19 17:11:01,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01" (1/1) ... [2021-02-19 17:11:01,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:11:01,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:11:01,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:11:01,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:11:01,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:11:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:11:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:11:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:11:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:11:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:11:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 17:11:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 17:11:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:11:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:11:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:11:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:11:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:11:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:11:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:11:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 17:11:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 17:11:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:11:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:11:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:11:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:11:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:11:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:11:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:11:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:11:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:11:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:11:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:11:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:11:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:11:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:11:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:11:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:11:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:11:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:11:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:11:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:11:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:11:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:11:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:11:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:11:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:11:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:11:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 17:11:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:11:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:11:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:11:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:11:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:11:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:11:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:11:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:11:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:11:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 17:11:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:11:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:11:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:11:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:11:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:11:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 17:11:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:11:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:11:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:11:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 17:11:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 17:11:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 17:11:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:11:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:11:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:11:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:11:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:11:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:11:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:11:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:11:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:11:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:11:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:11:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:11:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:11:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:11:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:11:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:11:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:11:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:11:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:11:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:11:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:11:02,670 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:11:02,671 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:11:02,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:11:02 BoogieIcfgContainer [2021-02-19 17:11:02,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:11:02,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:11:02,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:11:02,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:11:02,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:11:00" (1/3) ... [2021-02-19 17:11:02,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57025430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:11:02, skipping insertion in model container [2021-02-19 17:11:02,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:11:01" (2/3) ... [2021-02-19 17:11:02,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57025430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:11:02, skipping insertion in model container [2021-02-19 17:11:02,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:11:02" (3/3) ... [2021-02-19 17:11:02,694 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product30.cil.c [2021-02-19 17:11:02,701 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:11:02,706 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:11:02,726 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:11:02,753 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:11:02,754 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:11:02,754 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:11:02,754 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:11:02,754 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:11:02,754 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:11:02,755 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:11:02,755 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:11:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2021-02-19 17:11:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 17:11:02,790 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:11:02,791 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:11:02,791 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:11:02,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:11:02,798 INFO L82 PathProgramCache]: Analyzing trace with hash 628518013, now seen corresponding path program 1 times [2021-02-19 17:11:02,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:11:02,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454583749] [2021-02-19 17:11:02,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:11:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,594 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:11:03,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:11:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:11:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:11:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:11:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:11:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 17:11:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:11:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:11:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:03,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:03,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:11:03,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454583749] [2021-02-19 17:11:03,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:11:03,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:11:03,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685288632] [2021-02-19 17:11:03,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:11:03,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:11:03,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:11:03,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:11:03,784 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 4 states. [2021-02-19 17:11:05,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:11:05,180 INFO L93 Difference]: Finished difference Result 301 states and 387 transitions. [2021-02-19 17:11:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:11:05,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-19 17:11:05,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:11:05,196 INFO L225 Difference]: With dead ends: 301 [2021-02-19 17:11:05,197 INFO L226 Difference]: Without dead ends: 166 [2021-02-19 17:11:05,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:11:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-02-19 17:11:05,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 136. [2021-02-19 17:11:05,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-19 17:11:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2021-02-19 17:11:05,302 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2021-02-19 17:11:05,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:11:05,303 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2021-02-19 17:11:05,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:11:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2021-02-19 17:11:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-19 17:11:05,307 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:11:05,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:11:05,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:11:05,308 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:11:05,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:11:05,309 INFO L82 PathProgramCache]: Analyzing trace with hash -275487311, now seen corresponding path program 1 times [2021-02-19 17:11:05,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:11:05,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54919224] [2021-02-19 17:11:05,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:11:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:05,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,744 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:11:05,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:11:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:11:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:11:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:11:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:11:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 17:11:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 17:11:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 17:11:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:05,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:05,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:11:05,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54919224] [2021-02-19 17:11:05,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:11:05,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:11:05,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117986883] [2021-02-19 17:11:05,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:11:05,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:11:05,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:11:05,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:11:05,850 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 5 states. [2021-02-19 17:11:06,519 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:11:07,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:11:07,505 INFO L93 Difference]: Finished difference Result 242 states and 295 transitions. [2021-02-19 17:11:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:11:07,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-02-19 17:11:07,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:11:07,517 INFO L225 Difference]: With dead ends: 242 [2021-02-19 17:11:07,517 INFO L226 Difference]: Without dead ends: 156 [2021-02-19 17:11:07,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:11:07,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-02-19 17:11:07,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2021-02-19 17:11:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2021-02-19 17:11:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2021-02-19 17:11:07,611 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2021-02-19 17:11:07,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:11:07,611 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2021-02-19 17:11:07,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:11:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2021-02-19 17:11:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-19 17:11:07,625 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:11:07,626 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:11:07,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:11:07,626 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:11:07,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:11:07,627 INFO L82 PathProgramCache]: Analyzing trace with hash -26082946, now seen corresponding path program 1 times [2021-02-19 17:11:07,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:11:07,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262267385] [2021-02-19 17:11:07,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:11:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:07,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:07,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:07,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:07,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:07,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:07,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:07,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:07,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:07,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:07,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:11:07,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:07,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:11:07,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:07,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:11:07,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:07,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:08,124 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:11:08,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:08,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:11:08,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:11:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:08,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:08,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:11:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:08,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:11:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,187 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 17:11:08,188 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 17:11:08,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:11:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:08,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:08,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:11:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:08,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:08,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:11:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:08,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:08,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:08,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:08,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:11:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:08,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:08,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-02-19 17:11:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:08,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:08,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:11:08,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262267385] [2021-02-19 17:11:08,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:11:08,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:11:08,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104258314] [2021-02-19 17:11:08,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:11:08,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:11:08,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:11:08,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:11:08,293 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 9 states. [2021-02-19 17:11:08,814 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:11:09,264 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:11:09,653 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:11:10,034 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:11:11,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:11:11,332 INFO L93 Difference]: Finished difference Result 255 states and 314 transitions. [2021-02-19 17:11:11,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 17:11:11,333 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2021-02-19 17:11:11,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:11:11,337 INFO L225 Difference]: With dead ends: 255 [2021-02-19 17:11:11,337 INFO L226 Difference]: Without dead ends: 156 [2021-02-19 17:11:11,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-19 17:11:11,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-02-19 17:11:11,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2021-02-19 17:11:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2021-02-19 17:11:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2021-02-19 17:11:11,385 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 65 [2021-02-19 17:11:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:11:11,385 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2021-02-19 17:11:11,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:11:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2021-02-19 17:11:11,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-02-19 17:11:11,387 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:11:11,387 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:11:11,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:11:11,388 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:11:11,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:11:11,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1711922340, now seen corresponding path program 1 times [2021-02-19 17:11:11,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:11:11,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864294516] [2021-02-19 17:11:11,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:11:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,766 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:11:11,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:11:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:11:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:11:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:11:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:11:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:11:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-19 17:11:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:11:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:11:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-02-19 17:11:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:11,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-19 17:11:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:11,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:11,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 17:11:11,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864294516] [2021-02-19 17:11:11,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:11:11,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:11:11,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582809394] [2021-02-19 17:11:11,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:11:11,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:11:11,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:11:11,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:11:11,893 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 9 states. [2021-02-19 17:11:12,499 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:11:13,455 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:11:14,317 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:11:14,736 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:11:14,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:11:14,835 INFO L93 Difference]: Finished difference Result 212 states and 264 transitions. [2021-02-19 17:11:14,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 17:11:14,836 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2021-02-19 17:11:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:11:14,838 INFO L225 Difference]: With dead ends: 212 [2021-02-19 17:11:14,838 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:11:14,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-19 17:11:14,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:11:14,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:11:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:11:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:11:14,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2021-02-19 17:11:14,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:11:14,840 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:11:14,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:11:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:11:14,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:11:14,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:11:14,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:11:16,286 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 17:11:16,589 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:16,871 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:17,163 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 17:11:17,463 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:17,813 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 17:11:18,104 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 11 [2021-02-19 17:11:18,471 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:11:18,787 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2021-02-19 17:11:19,113 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:11:19,442 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:11:19,754 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:11:20,028 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:11:20,300 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:11:20,577 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 17:11:20,906 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:21,178 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:11:21,478 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:21,776 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:21,845 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:11:21,846 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:11:21,846 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:11:21,846 INFO L189 CegarLoopUtils]: For program point L502(lines 502 506) no Hoare annotation was computed. [2021-02-19 17:11:21,846 INFO L189 CegarLoopUtils]: For program point L502-1(lines 502 506) no Hoare annotation was computed. [2021-02-19 17:11:21,846 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 471 526) no Hoare annotation was computed. [2021-02-19 17:11:21,846 INFO L189 CegarLoopUtils]: For program point L497(line 497) no Hoare annotation was computed. [2021-02-19 17:11:21,847 INFO L189 CegarLoopUtils]: For program point L496-2(lines 496 517) no Hoare annotation was computed. [2021-02-19 17:11:21,847 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 471 526) no Hoare annotation was computed. [2021-02-19 17:11:21,847 INFO L189 CegarLoopUtils]: For program point L518(lines 495 519) no Hoare annotation was computed. [2021-02-19 17:11:21,847 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 471 526) no Hoare annotation was computed. [2021-02-19 17:11:21,847 INFO L189 CegarLoopUtils]: For program point L572(line 572) no Hoare annotation was computed. [2021-02-19 17:11:21,848 INFO L189 CegarLoopUtils]: For program point L572-1(line 572) no Hoare annotation was computed. [2021-02-19 17:11:21,848 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 527 586) no Hoare annotation was computed. [2021-02-19 17:11:21,848 INFO L189 CegarLoopUtils]: For program point L559(lines 559 563) no Hoare annotation was computed. [2021-02-19 17:11:21,848 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 527 586) no Hoare annotation was computed. [2021-02-19 17:11:21,848 INFO L189 CegarLoopUtils]: For program point L559-1(lines 559 563) no Hoare annotation was computed. [2021-02-19 17:11:21,848 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2021-02-19 17:11:21,848 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 527 586) no Hoare annotation was computed. [2021-02-19 17:11:21,848 INFO L189 CegarLoopUtils]: For program point L553-2(lines 553 578) no Hoare annotation was computed. [2021-02-19 17:11:21,848 INFO L189 CegarLoopUtils]: For program point L579(lines 552 580) no Hoare annotation was computed. [2021-02-19 17:11:21,849 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 402 408) the Hoare annotation is: true [2021-02-19 17:11:21,849 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 402 408) no Hoare annotation was computed. [2021-02-19 17:11:21,849 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 409 417) no Hoare annotation was computed. [2021-02-19 17:11:21,849 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 409 417) the Hoare annotation is: true [2021-02-19 17:11:21,849 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 409 417) no Hoare annotation was computed. [2021-02-19 17:11:21,849 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 333 340) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-19 17:11:21,849 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 333 340) no Hoare annotation was computed. [2021-02-19 17:11:21,849 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 333 340) no Hoare annotation was computed. [2021-02-19 17:11:21,850 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 341 350) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-19 17:11:21,850 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 341 350) no Hoare annotation was computed. [2021-02-19 17:11:21,850 INFO L189 CegarLoopUtils]: For program point L346(line 346) no Hoare annotation was computed. [2021-02-19 17:11:21,850 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 341 350) no Hoare annotation was computed. [2021-02-19 17:11:21,850 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 351 379) the Hoare annotation is: true [2021-02-19 17:11:21,851 INFO L185 CegarLoopUtils]: At program point L366(line 366) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2021-02-19 17:11:21,851 INFO L189 CegarLoopUtils]: For program point L364(lines 364 370) no Hoare annotation was computed. [2021-02-19 17:11:21,851 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 351 379) no Hoare annotation was computed. [2021-02-19 17:11:21,851 INFO L189 CegarLoopUtils]: For program point L363(lines 363 373) no Hoare annotation was computed. [2021-02-19 17:11:21,852 INFO L192 CegarLoopUtils]: At program point L361(line 361) the Hoare annotation is: true [2021-02-19 17:11:21,852 INFO L189 CegarLoopUtils]: For program point L361-1(line 361) no Hoare annotation was computed. [2021-02-19 17:11:21,852 INFO L189 CegarLoopUtils]: For program point L359(lines 359 376) no Hoare annotation was computed. [2021-02-19 17:11:21,852 INFO L189 CegarLoopUtils]: For program point L359-1(lines 351 379) no Hoare annotation was computed. [2021-02-19 17:11:21,852 INFO L192 CegarLoopUtils]: At program point L357(line 357) the Hoare annotation is: true [2021-02-19 17:11:21,852 INFO L189 CegarLoopUtils]: For program point L357-1(line 357) no Hoare annotation was computed. [2021-02-19 17:11:21,852 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 867 889) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,852 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 867 889) no Hoare annotation was computed. [2021-02-19 17:11:21,852 INFO L185 CegarLoopUtils]: At program point L879(line 879) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,853 INFO L185 CegarLoopUtils]: At program point L879-1(line 879) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,853 INFO L189 CegarLoopUtils]: For program point L877(lines 877 884) no Hoare annotation was computed. [2021-02-19 17:11:21,853 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 867 889) no Hoare annotation was computed. [2021-02-19 17:11:21,853 INFO L189 CegarLoopUtils]: For program point L877-1(lines 877 884) no Hoare annotation was computed. [2021-02-19 17:11:21,853 INFO L189 CegarLoopUtils]: For program point L875(line 875) no Hoare annotation was computed. [2021-02-19 17:11:21,853 INFO L185 CegarLoopUtils]: At program point L874(line 874) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,853 INFO L185 CegarLoopUtils]: At program point L873(line 873) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,854 INFO L185 CegarLoopUtils]: At program point L873-1(line 873) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,854 INFO L189 CegarLoopUtils]: For program point L833(line 833) no Hoare annotation was computed. [2021-02-19 17:11:21,854 INFO L189 CegarLoopUtils]: For program point L832(line 832) no Hoare annotation was computed. [2021-02-19 17:11:21,854 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 825 848) no Hoare annotation was computed. [2021-02-19 17:11:21,854 INFO L189 CegarLoopUtils]: For program point L831(line 831) no Hoare annotation was computed. [2021-02-19 17:11:21,854 INFO L189 CegarLoopUtils]: For program point L830(line 830) no Hoare annotation was computed. [2021-02-19 17:11:21,854 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 825 848) no Hoare annotation was computed. [2021-02-19 17:11:21,854 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 825 848) no Hoare annotation was computed. [2021-02-19 17:11:21,854 INFO L189 CegarLoopUtils]: For program point L843(line 843) no Hoare annotation was computed. [2021-02-19 17:11:21,854 INFO L189 CegarLoopUtils]: For program point L842(line 842) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L841(line 841) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L840(line 840) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L839(line 839) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L838(line 838) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L837(line 837) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L836(line 836) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L835(line 835) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L834(line 834) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L98-1(line 98) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L189 CegarLoopUtils]: For program point L96(lines 96 113) no Hoare annotation was computed. [2021-02-19 17:11:21,855 INFO L185 CegarLoopUtils]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 92 116) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,856 INFO L185 CegarLoopUtils]: At program point L111(line 111) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,856 INFO L189 CegarLoopUtils]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2021-02-19 17:11:21,856 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 92 116) no Hoare annotation was computed. [2021-02-19 17:11:21,856 INFO L185 CegarLoopUtils]: At program point L106(line 106) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,856 INFO L185 CegarLoopUtils]: At program point L102(line 102) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,856 INFO L189 CegarLoopUtils]: For program point L100(lines 100 108) no Hoare annotation was computed. [2021-02-19 17:11:21,856 INFO L185 CegarLoopUtils]: At program point L98(line 98) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,856 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 187 195) no Hoare annotation was computed. [2021-02-19 17:11:21,856 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 187 195) the Hoare annotation is: true [2021-02-19 17:11:21,856 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 187 195) no Hoare annotation was computed. [2021-02-19 17:11:21,857 INFO L189 CegarLoopUtils]: For program point L241(lines 241 245) no Hoare annotation was computed. [2021-02-19 17:11:21,857 INFO L192 CegarLoopUtils]: At program point L239(line 239) the Hoare annotation is: true [2021-02-19 17:11:21,857 INFO L189 CegarLoopUtils]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2021-02-19 17:11:21,857 INFO L189 CegarLoopUtils]: For program point L239-1(line 239) no Hoare annotation was computed. [2021-02-19 17:11:21,857 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2021-02-19 17:11:21,857 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2021-02-19 17:11:21,857 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2021-02-19 17:11:21,857 INFO L189 CegarLoopUtils]: For program point L226-1(line 226) no Hoare annotation was computed. [2021-02-19 17:11:21,857 INFO L189 CegarLoopUtils]: For program point L215(lines 215 223) no Hoare annotation was computed. [2021-02-19 17:11:21,858 INFO L189 CegarLoopUtils]: For program point L215-2(lines 215 223) no Hoare annotation was computed. [2021-02-19 17:11:21,858 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 196 231) no Hoare annotation was computed. [2021-02-19 17:11:21,858 INFO L189 CegarLoopUtils]: For program point L203(lines 203 211) no Hoare annotation was computed. [2021-02-19 17:11:21,858 INFO L189 CegarLoopUtils]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2021-02-19 17:11:21,858 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 196 231) no Hoare annotation was computed. [2021-02-19 17:11:21,858 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 196 231) no Hoare annotation was computed. [2021-02-19 17:11:21,858 INFO L189 CegarLoopUtils]: For program point L226(line 226) no Hoare annotation was computed. [2021-02-19 17:11:21,858 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 395 401) no Hoare annotation was computed. [2021-02-19 17:11:21,858 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 395 401) the Hoare annotation is: true [2021-02-19 17:11:21,859 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 425 470) no Hoare annotation was computed. [2021-02-19 17:11:21,859 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 425 470) no Hoare annotation was computed. [2021-02-19 17:11:21,859 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 425 470) no Hoare annotation was computed. [2021-02-19 17:11:21,859 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 738 783) no Hoare annotation was computed. [2021-02-19 17:11:21,859 INFO L189 CegarLoopUtils]: For program point L758(lines 758 765) no Hoare annotation was computed. [2021-02-19 17:11:21,859 INFO L189 CegarLoopUtils]: For program point L752(lines 752 772) no Hoare annotation was computed. [2021-02-19 17:11:21,859 INFO L189 CegarLoopUtils]: For program point L752-1(lines 752 772) no Hoare annotation was computed. [2021-02-19 17:11:21,859 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 738 783) no Hoare annotation was computed. [2021-02-19 17:11:21,859 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 738 783) no Hoare annotation was computed. [2021-02-19 17:11:21,860 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 856 866) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,860 INFO L185 CegarLoopUtils]: At program point L861(line 861) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2021-02-19 17:11:21,860 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 856 866) no Hoare annotation was computed. [2021-02-19 17:11:21,860 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 856 866) no Hoare annotation was computed. [2021-02-19 17:11:21,860 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 176 186) the Hoare annotation is: true [2021-02-19 17:11:21,860 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 176 186) no Hoare annotation was computed. [2021-02-19 17:11:21,860 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 176 186) no Hoare annotation was computed. [2021-02-19 17:11:21,860 INFO L192 CegarLoopUtils]: At program point L181(line 181) the Hoare annotation is: true [2021-02-19 17:11:21,861 INFO L189 CegarLoopUtils]: For program point L181-1(line 181) no Hoare annotation was computed. [2021-02-19 17:11:21,861 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 168 175) the Hoare annotation is: true [2021-02-19 17:11:21,861 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 168 175) no Hoare annotation was computed. [2021-02-19 17:11:21,861 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 168 175) no Hoare annotation was computed. [2021-02-19 17:11:21,861 INFO L185 CegarLoopUtils]: At program point L128(line 128) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,861 INFO L189 CegarLoopUtils]: For program point L126(lines 126 134) no Hoare annotation was computed. [2021-02-19 17:11:21,861 INFO L185 CegarLoopUtils]: At program point L124(line 124) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,861 INFO L189 CegarLoopUtils]: For program point L124-1(line 124) no Hoare annotation was computed. [2021-02-19 17:11:21,862 INFO L189 CegarLoopUtils]: For program point L122(lines 122 139) no Hoare annotation was computed. [2021-02-19 17:11:21,862 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2021-02-19 17:11:21,862 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,862 INFO L185 CegarLoopUtils]: At program point L137(line 137) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,862 INFO L189 CegarLoopUtils]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2021-02-19 17:11:21,862 INFO L185 CegarLoopUtils]: At program point L132(line 132) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,862 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2021-02-19 17:11:21,862 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2021-02-19 17:11:21,863 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 263 328) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,863 INFO L185 CegarLoopUtils]: At program point L318(lines 273 320) 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))) [2021-02-19 17:11:21,863 INFO L185 CegarLoopUtils]: At program point L285(line 285) 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))) [2021-02-19 17:11:21,863 INFO L189 CegarLoopUtils]: For program point L283(lines 283 289) no Hoare annotation was computed. [2021-02-19 17:11:21,863 INFO L189 CegarLoopUtils]: For program point L283-1(lines 283 289) no Hoare annotation was computed. [2021-02-19 17:11:21,863 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 263 328) no Hoare annotation was computed. [2021-02-19 17:11:21,863 INFO L189 CegarLoopUtils]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-02-19 17:11:21,863 INFO L185 CegarLoopUtils]: At program point L321(lines 272 322) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,864 INFO L189 CegarLoopUtils]: For program point L311(lines 311 315) no Hoare annotation was computed. [2021-02-19 17:11:21,864 INFO L185 CegarLoopUtils]: At program point L311-2(lines 303 316) 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))) [2021-02-19 17:11:21,864 INFO L189 CegarLoopUtils]: For program point L274(lines 273 320) no Hoare annotation was computed. [2021-02-19 17:11:21,864 INFO L185 CegarLoopUtils]: At program point L305(line 305) 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))) [2021-02-19 17:11:21,864 INFO L189 CegarLoopUtils]: For program point L303(lines 303 316) no Hoare annotation was computed. [2021-02-19 17:11:21,864 INFO L185 CegarLoopUtils]: At program point L295(line 295) 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))) [2021-02-19 17:11:21,864 INFO L189 CegarLoopUtils]: For program point L293(lines 293 299) no Hoare annotation was computed. [2021-02-19 17:11:21,864 INFO L189 CegarLoopUtils]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 263 328) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point L706-1(lines 706 726) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 692 737) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 692 737) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 692 737) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point L712(lines 712 719) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point L706(lines 706 726) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2021-02-19 17:11:21,865 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 970 978) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 970 978) the Hoare annotation is: true [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 970 978) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point L946-2(lines 946 954) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 938 960) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 938 960) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 938 960) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point L946(lines 946 954) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 385 394) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 385 394) no Hoare annotation was computed. [2021-02-19 17:11:21,866 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 385 394) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 589 691) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point L638-2(lines 638 658) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point L659(lines 637 660) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point L618(lines 618 634) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point L678(lines 678 685) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 589 691) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point L639(lines 638 658) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point L670(line 670) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point L670-1(line 670) no Hoare annotation was computed. [2021-02-19 17:11:21,867 INFO L189 CegarLoopUtils]: For program point L635(lines 635 676) no Hoare annotation was computed. [2021-02-19 17:11:21,868 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 589 691) no Hoare annotation was computed. [2021-02-19 17:11:21,868 INFO L189 CegarLoopUtils]: For program point L654(line 654) no Hoare annotation was computed. [2021-02-19 17:11:21,868 INFO L189 CegarLoopUtils]: For program point L654-1(line 654) no Hoare annotation was computed. [2021-02-19 17:11:21,868 INFO L189 CegarLoopUtils]: For program point L613(lines 613 617) no Hoare annotation was computed. [2021-02-19 17:11:21,868 INFO L189 CegarLoopUtils]: For program point L677(lines 677 688) no Hoare annotation was computed. [2021-02-19 17:11:21,868 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:11:21,869 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string81.base| |old(#t~string81.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string81.offset| |old(#t~string81.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2021-02-19 17:11:21,869 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:11:21,869 INFO L189 CegarLoopUtils]: For program point L162-1(lines 151 167) no Hoare annotation was computed. [2021-02-19 17:11:21,869 INFO L189 CegarLoopUtils]: For program point L158(lines 158 164) no Hoare annotation was computed. [2021-02-19 17:11:21,869 INFO L189 CegarLoopUtils]: For program point L156(line 156) no Hoare annotation was computed. [2021-02-19 17:11:21,869 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 151 167) no Hoare annotation was computed. [2021-02-19 17:11:21,869 INFO L189 CegarLoopUtils]: For program point L156-1(line 156) no Hoare annotation was computed. [2021-02-19 17:11:21,869 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 151 167) no Hoare annotation was computed. [2021-02-19 17:11:21,869 INFO L189 CegarLoopUtils]: For program point L162(line 162) no Hoare annotation was computed. [2021-02-19 17:11:21,870 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 961 969) the Hoare annotation is: true [2021-02-19 17:11:21,870 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 961 969) no Hoare annotation was computed. [2021-02-19 17:11:21,870 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 961 969) no Hoare annotation was computed. [2021-02-19 17:11:21,870 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 917 928) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:11:21,870 INFO L189 CegarLoopUtils]: For program point L921-1(lines 917 928) no Hoare annotation was computed. [2021-02-19 17:11:21,870 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 917 928) no Hoare annotation was computed. [2021-02-19 17:11:21,870 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:11:21,870 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:11:21,870 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:11:21,871 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 929 937) the Hoare annotation is: true [2021-02-19 17:11:21,871 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 929 937) no Hoare annotation was computed. [2021-02-19 17:11:21,871 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 929 937) no Hoare annotation was computed. [2021-02-19 17:11:21,871 INFO L189 CegarLoopUtils]: For program point L64(lines 60 82) no Hoare annotation was computed. [2021-02-19 17:11:21,871 INFO L189 CegarLoopUtils]: For program point L62(lines 60 82) no Hoare annotation was computed. [2021-02-19 17:11:21,871 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 57 83) 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))) [2021-02-19 17:11:21,871 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2021-02-19 17:11:21,871 INFO L185 CegarLoopUtils]: At program point L73(line 73) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-19 17:11:21,872 INFO L185 CegarLoopUtils]: At program point L71(lines 71 77) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-19 17:11:21,872 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2021-02-19 17:11:21,872 INFO L185 CegarLoopUtils]: At program point L66(line 66) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:21,872 INFO L192 CegarLoopUtils]: At program point L801(line 801) the Hoare annotation is: true [2021-02-19 17:11:21,872 INFO L189 CegarLoopUtils]: For program point L801-1(line 801) no Hoare annotation was computed. [2021-02-19 17:11:21,872 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 795 824) no Hoare annotation was computed. [2021-02-19 17:11:21,872 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 795 824) the Hoare annotation is: true [2021-02-19 17:11:21,872 INFO L192 CegarLoopUtils]: At program point L820(lines 795 824) the Hoare annotation is: true [2021-02-19 17:11:21,872 INFO L189 CegarLoopUtils]: For program point L816(line 816) no Hoare annotation was computed. [2021-02-19 17:11:21,873 INFO L189 CegarLoopUtils]: For program point L809(lines 809 813) no Hoare annotation was computed. [2021-02-19 17:11:21,873 INFO L192 CegarLoopUtils]: At program point L809-1(lines 809 813) the Hoare annotation is: true [2021-02-19 17:11:21,873 INFO L189 CegarLoopUtils]: For program point L806(line 806) no Hoare annotation was computed. [2021-02-19 17:11:21,873 INFO L192 CegarLoopUtils]: At program point L805-2(lines 805 819) the Hoare annotation is: true [2021-02-19 17:11:21,873 INFO L189 CegarLoopUtils]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2021-02-19 17:11:21,873 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 893 904) the Hoare annotation is: true [2021-02-19 17:11:21,873 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 893 904) no Hoare annotation was computed. [2021-02-19 17:11:21,873 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 849 855) no Hoare annotation was computed. [2021-02-19 17:11:21,873 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 849 855) the Hoare annotation is: true [2021-02-19 17:11:21,873 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:11:21,874 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-19 17:11:21,874 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:11:21,874 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:11:21,874 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 251 258) no Hoare annotation was computed. [2021-02-19 17:11:21,874 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 251 258) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-19 17:11:21,874 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 251 258) no Hoare annotation was computed. [2021-02-19 17:11:21,874 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 905 916) no Hoare annotation was computed. [2021-02-19 17:11:21,874 INFO L189 CegarLoopUtils]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2021-02-19 17:11:21,874 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 905 916) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 17:11:21,875 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 785 792) no Hoare annotation was computed. [2021-02-19 17:11:21,875 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 789) no Hoare annotation was computed. [2021-02-19 17:11:21,875 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 785 792) the Hoare annotation is: true [2021-02-19 17:11:21,875 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 785 792) no Hoare annotation was computed. [2021-02-19 17:11:21,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:11:21 BoogieIcfgContainer [2021-02-19 17:11:21,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:11:21,893 INFO L168 Benchmark]: Toolchain (without parser) took 21537.68 ms. Allocated memory was 163.6 MB in the beginning and 358.6 MB in the end (delta: 195.0 MB). Free memory was 138.6 MB in the beginning and 178.0 MB in the end (delta: -39.4 MB). Peak memory consumption was 218.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:21,894 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 163.6 MB. Free memory is still 147.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:11:21,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.79 ms. Allocated memory is still 163.6 MB. Free memory was 137.5 MB in the beginning and 143.3 MB in the end (delta: -5.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:21,895 INFO L168 Benchmark]: Boogie Preprocessor took 93.49 ms. Allocated memory is still 163.6 MB. Free memory was 143.3 MB in the beginning and 139.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:21,896 INFO L168 Benchmark]: RCFGBuilder took 1452.44 ms. Allocated memory is still 163.6 MB. Free memory was 139.7 MB in the beginning and 88.2 MB in the end (delta: 51.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:21,896 INFO L168 Benchmark]: TraceAbstraction took 19205.95 ms. Allocated memory was 202.4 MB in the beginning and 358.6 MB in the end (delta: 156.2 MB). Free memory was 181.0 MB in the beginning and 178.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 219.6 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:21,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 163.6 MB. Free memory is still 147.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 744.79 ms. Allocated memory is still 163.6 MB. Free memory was 137.5 MB in the beginning and 143.3 MB in the end (delta: -5.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.49 ms. Allocated memory is still 163.6 MB. Free memory was 143.3 MB in the beginning and 139.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1452.44 ms. Allocated memory is still 163.6 MB. Free memory was 139.7 MB in the beginning and 88.2 MB in the end (delta: 51.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19205.95 ms. Allocated memory was 202.4 MB in the beginning and 358.6 MB in the end (delta: 156.2 MB). Free memory was 181.0 MB in the beginning and 178.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 219.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 789]: 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: 272]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 437 SDtfs, 603 SDslu, 270 SDs, 0 SdLazy, 1208 SolverSat, 408 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 88 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 249 PreInvPairs, 269 NumberOfFragments, 786 HoareAnnotationTreeSize, 249 FomulaSimplifications, 10859 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6479 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 82564 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...