/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_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:57:08,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:57:08,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:57:09,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:57:09,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:57:09,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:57:09,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:57:09,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:57:09,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:57:09,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:57:09,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:57:09,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:57:09,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:57:09,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:57:09,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:57:09,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:57:09,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:57:09,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:57:09,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:57:09,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:57:09,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:57:09,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:57:09,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:57:09,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:57:09,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:57:09,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:57:09,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:57:09,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:57:09,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:57:09,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:57:09,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:57:09,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:57:09,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:57:09,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:57:09,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:57:09,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:57:09,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:57:09,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:57:09,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:57:09,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:57:09,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:57:09,075 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 16:57:09,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:57:09,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:57:09,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:57:09,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:57:09,128 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:57:09,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:57:09,129 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:57:09,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:57:09,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:57:09,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:57:09,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:57:09,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:57:09,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:57:09,131 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:57:09,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:57:09,131 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:57:09,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:57:09,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:57:09,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:57:09,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:57:09,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:57:09,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:57:09,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:57:09,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:57:09,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:57:09,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:57:09,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:57:09,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:57:09,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:57:09,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:57:09,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:57:09,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:57:09,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:57:09,554 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:57:09,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2021-02-19 16:57:09,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d066ccf8/4a7e870556fd4f6296732a24c5eac3ba/FLAG91eac81fd [2021-02-19 16:57:10,268 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:57:10,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2021-02-19 16:57:10,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d066ccf8/4a7e870556fd4f6296732a24c5eac3ba/FLAG91eac81fd [2021-02-19 16:57:10,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d066ccf8/4a7e870556fd4f6296732a24c5eac3ba [2021-02-19 16:57:10,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:57:10,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:57:10,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:10,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:57:10,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:57:10,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:10" (1/1) ... [2021-02-19 16:57:10,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397fc408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:10, skipping insertion in model container [2021-02-19 16:57:10,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:10" (1/1) ... [2021-02-19 16:57:10,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:57:10,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:57:11,000 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_spec1_product22.cil.c[13152,13165] [2021-02-19 16:57:11,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:11,089 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:57:11,185 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_spec1_product22.cil.c[13152,13165] [2021-02-19 16:57:11,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:11,253 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:57:11,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11 WrapperNode [2021-02-19 16:57:11,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:11,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:57:11,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:57:11,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:57:11,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11" (1/1) ... [2021-02-19 16:57:11,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11" (1/1) ... [2021-02-19 16:57:11,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11" (1/1) ... [2021-02-19 16:57:11,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11" (1/1) ... [2021-02-19 16:57:11,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11" (1/1) ... [2021-02-19 16:57:11,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11" (1/1) ... [2021-02-19 16:57:11,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11" (1/1) ... [2021-02-19 16:57:11,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:57:11,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:57:11,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:57:11,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:57:11,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:57:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:57:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:57:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:57:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:57:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:57:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:57:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:57:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:57:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:57:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:57:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:57:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:57:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:57:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:57:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:57:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:57:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:57:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:57:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:57:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:57:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:57:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:57:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 16:57:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:57:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 16:57:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-19 16:57:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:57:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:57:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:57:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:57:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:57:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:57:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 16:57:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 16:57:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:57:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:57:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:57:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:57:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:57:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:57:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:57:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:57:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:57:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:57:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:57:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:57:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:57:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:57:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:57:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:57:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:57:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:57:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:57:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:57:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:57:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:57:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:57:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:57:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:57:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:57:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:57:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:57:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:57:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:57:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:57:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:57:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:57:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:57:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:57:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:57:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:57:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:57:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 16:57:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:57:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:57:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 16:57:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:57:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 16:57:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 16:57:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-19 16:57:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:57:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:57:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:57:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:57:12,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:57:12,720 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:57:12,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:12 BoogieIcfgContainer [2021-02-19 16:57:12,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:57:12,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:57:12,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:57:12,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:57:12,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:57:10" (1/3) ... [2021-02-19 16:57:12,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7be864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:12, skipping insertion in model container [2021-02-19 16:57:12,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:11" (2/3) ... [2021-02-19 16:57:12,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7be864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:12, skipping insertion in model container [2021-02-19 16:57:12,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:12" (3/3) ... [2021-02-19 16:57:12,736 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2021-02-19 16:57:12,746 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:57:12,752 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:57:12,771 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:57:12,803 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:57:12,804 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:57:12,804 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:57:12,822 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:57:12,822 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:57:12,823 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:57:12,823 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:57:12,824 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:57:12,849 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2021-02-19 16:57:12,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:57:12,858 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:12,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:12,859 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:12,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:12,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1512656443, now seen corresponding path program 1 times [2021-02-19 16:57:12,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:12,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100736899] [2021-02-19 16:57:12,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:13,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:13,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:13,563 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:13,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:13,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:13,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:13,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:13,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:13,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:13,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:13,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:13,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:13,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:57:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:13,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:57:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:13,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:13,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:13,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100736899] [2021-02-19 16:57:13,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:13,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:57:13,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306252976] [2021-02-19 16:57:13,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:57:13,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:13,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:57:13,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:57:13,741 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2021-02-19 16:57:15,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:15,008 INFO L93 Difference]: Finished difference Result 288 states and 380 transitions. [2021-02-19 16:57:15,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:57:15,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:57:15,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:15,033 INFO L225 Difference]: With dead ends: 288 [2021-02-19 16:57:15,034 INFO L226 Difference]: Without dead ends: 156 [2021-02-19 16:57:15,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:57:15,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-02-19 16:57:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 123. [2021-02-19 16:57:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2021-02-19 16:57:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2021-02-19 16:57:15,159 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 46 [2021-02-19 16:57:15,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:15,159 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2021-02-19 16:57:15,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:57:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2021-02-19 16:57:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:57:15,163 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:15,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:15,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:57:15,164 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:15,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:15,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1109162559, now seen corresponding path program 1 times [2021-02-19 16:57:15,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:15,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040622329] [2021-02-19 16:57:15,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:15,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:15,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,599 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:15,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:15,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:15,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:15,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:15,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:15,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:57:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:15,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:57:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:15,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:15,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040622329] [2021-02-19 16:57:15,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:15,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:57:15,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050302378] [2021-02-19 16:57:15,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:57:15,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:15,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:57:15,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:57:15,654 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 4 states. [2021-02-19 16:57:16,211 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:17,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:17,055 INFO L93 Difference]: Finished difference Result 217 states and 267 transitions. [2021-02-19 16:57:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:57:17,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:57:17,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:17,059 INFO L225 Difference]: With dead ends: 217 [2021-02-19 16:57:17,059 INFO L226 Difference]: Without dead ends: 140 [2021-02-19 16:57:17,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:57:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-19 16:57:17,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2021-02-19 16:57:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-02-19 16:57:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2021-02-19 16:57:17,110 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 47 [2021-02-19 16:57:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:17,111 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2021-02-19 16:57:17,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:57:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2021-02-19 16:57:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 16:57:17,113 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:17,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:17,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:57:17,114 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:17,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:17,114 INFO L82 PathProgramCache]: Analyzing trace with hash 882566188, now seen corresponding path program 1 times [2021-02-19 16:57:17,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:17,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879314468] [2021-02-19 16:57:17,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:17,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:17,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:17,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:17,579 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:17,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:57:17,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:17,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:17,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,641 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:57:17,643 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:57:17,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:17,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:57:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:17,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:57:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:17,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879314468] [2021-02-19 16:57:17,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:17,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:17,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425473988] [2021-02-19 16:57:17,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:17,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:17,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:17,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:17,680 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 8 states. [2021-02-19 16:57:18,175 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:18,577 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:18,980 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:19,327 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:20,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:20,601 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2021-02-19 16:57:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 16:57:20,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-02-19 16:57:20,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:20,607 INFO L225 Difference]: With dead ends: 230 [2021-02-19 16:57:20,607 INFO L226 Difference]: Without dead ends: 140 [2021-02-19 16:57:20,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-19 16:57:20,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-19 16:57:20,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2021-02-19 16:57:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-02-19 16:57:20,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2021-02-19 16:57:20,650 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2021-02-19 16:57:20,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:20,650 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2021-02-19 16:57:20,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2021-02-19 16:57:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-19 16:57:20,653 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:20,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:20,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:57:20,654 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:20,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:20,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1832532719, now seen corresponding path program 1 times [2021-02-19 16:57:20,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:20,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127231410] [2021-02-19 16:57:20,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:20,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:20,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:20,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:20,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:20,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:20,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:20,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:21,031 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:21,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:21,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:21,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:21,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:21,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:21,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 16:57:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:21,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:57:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:21,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:57:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:21,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 16:57:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:21,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-19 16:57:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:21,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:21,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:21,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127231410] [2021-02-19 16:57:21,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:21,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:21,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268696534] [2021-02-19 16:57:21,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:21,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:21,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:21,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:21,135 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 8 states. [2021-02-19 16:57:21,631 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:22,649 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:23,102 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:24,032 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:24,389 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:24,874 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:25,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:25,504 INFO L93 Difference]: Finished difference Result 358 states and 468 transitions. [2021-02-19 16:57:25,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:57:25,505 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2021-02-19 16:57:25,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:25,509 INFO L225 Difference]: With dead ends: 358 [2021-02-19 16:57:25,509 INFO L226 Difference]: Without dead ends: 268 [2021-02-19 16:57:25,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:57:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-02-19 16:57:25,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 195. [2021-02-19 16:57:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2021-02-19 16:57:25,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2021-02-19 16:57:25,600 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 65 [2021-02-19 16:57:25,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:25,601 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2021-02-19 16:57:25,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:25,601 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2021-02-19 16:57:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-02-19 16:57:25,603 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:25,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:57:25,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:57:25,604 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:25,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:25,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1757553323, now seen corresponding path program 1 times [2021-02-19 16:57:25,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:25,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330106715] [2021-02-19 16:57:25,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:25,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:25,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:25,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:25,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:25,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:25,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:25,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:25,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:25,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:25,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:25,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:25,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:25,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:25,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:25,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:25,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:25,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:25,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:25,998 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:26,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:26,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:57:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-19 16:57:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:26,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:57:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:26,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:57:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 16:57:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:26,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-02-19 16:57:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:26,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:26,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:26,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330106715] [2021-02-19 16:57:26,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:26,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:57:26,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326724657] [2021-02-19 16:57:26,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:57:26,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:26,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:57:26,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:57:26,107 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand 9 states. [2021-02-19 16:57:26,652 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:27,687 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:28,063 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:28,405 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:28,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:28,571 INFO L93 Difference]: Finished difference Result 331 states and 412 transitions. [2021-02-19 16:57:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:57:28,572 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2021-02-19 16:57:28,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:28,573 INFO L225 Difference]: With dead ends: 331 [2021-02-19 16:57:28,573 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:57:28,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:57:28,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:57:28,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:57:28,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:57:28,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:57:28,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2021-02-19 16:57:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:28,576 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:57:28,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:57:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:57:28,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:57:28,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:57:28,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:57:28,834 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 12 [2021-02-19 16:57:31,003 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:31,287 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:31,780 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:32,039 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:32,303 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:32,812 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:33,358 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2021-02-19 16:57:33,665 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:34,186 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:34,699 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2021-02-19 16:57:34,985 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:35,273 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:35,757 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:57:36,278 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:36,786 WARN L202 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:37,071 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:37,318 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:37,584 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:37,844 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:38,103 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:38,349 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:38,865 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:39,136 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point L288(line 288) no Hoare annotation was computed. [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point L287-2(lines 287 308) no Hoare annotation was computed. [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point L309(lines 286 310) no Hoare annotation was computed. [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 262 317) no Hoare annotation was computed. [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 262 317) no Hoare annotation was computed. [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point L293(lines 293 297) no Hoare annotation was computed. [2021-02-19 16:57:39,154 INFO L189 CegarLoopUtils]: For program point L293-1(lines 293 297) no Hoare annotation was computed. [2021-02-19 16:57:39,155 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 262 317) no Hoare annotation was computed. [2021-02-19 16:57:39,155 INFO L189 CegarLoopUtils]: For program point L350(lines 350 354) no Hoare annotation was computed. [2021-02-19 16:57:39,155 INFO L189 CegarLoopUtils]: For program point L350-1(lines 350 354) no Hoare annotation was computed. [2021-02-19 16:57:39,155 INFO L189 CegarLoopUtils]: For program point L345(line 345) no Hoare annotation was computed. [2021-02-19 16:57:39,155 INFO L189 CegarLoopUtils]: For program point L344-2(lines 344 369) no Hoare annotation was computed. [2021-02-19 16:57:39,155 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 318 377) no Hoare annotation was computed. [2021-02-19 16:57:39,155 INFO L189 CegarLoopUtils]: For program point L370(lines 343 371) no Hoare annotation was computed. [2021-02-19 16:57:39,156 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 318 377) no Hoare annotation was computed. [2021-02-19 16:57:39,156 INFO L189 CegarLoopUtils]: For program point L363(line 363) no Hoare annotation was computed. [2021-02-19 16:57:39,156 INFO L189 CegarLoopUtils]: For program point L363-1(line 363) no Hoare annotation was computed. [2021-02-19 16:57:39,156 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 318 377) no Hoare annotation was computed. [2021-02-19 16:57:39,156 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2021-02-19 16:57:39,157 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2021-02-19 16:57:39,157 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:57:39,157 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2021-02-19 16:57:39,157 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:57:39,157 INFO L185 CegarLoopUtils]: At program point L193(line 193) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,158 INFO L185 CegarLoopUtils]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,158 INFO L185 CegarLoopUtils]: At program point L192-1(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,158 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 186 208) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,158 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 186 208) no Hoare annotation was computed. [2021-02-19 16:57:39,158 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 186 208) no Hoare annotation was computed. [2021-02-19 16:57:39,158 INFO L185 CegarLoopUtils]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,159 INFO L185 CegarLoopUtils]: At program point L198-1(line 198) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,159 INFO L189 CegarLoopUtils]: For program point L196(lines 196 203) no Hoare annotation was computed. [2021-02-19 16:57:39,159 INFO L189 CegarLoopUtils]: For program point L196-1(lines 196 203) no Hoare annotation was computed. [2021-02-19 16:57:39,159 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-02-19 16:57:39,159 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-02-19 16:57:39,159 INFO L189 CegarLoopUtils]: For program point L160(line 160) no Hoare annotation was computed. [2021-02-19 16:57:39,159 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2021-02-19 16:57:39,159 INFO L189 CegarLoopUtils]: For program point L159(line 159) no Hoare annotation was computed. [2021-02-19 16:57:39,160 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-02-19 16:57:39,160 INFO L189 CegarLoopUtils]: For program point L157(line 157) no Hoare annotation was computed. [2021-02-19 16:57:39,160 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2021-02-19 16:57:39,160 INFO L189 CegarLoopUtils]: For program point L156(line 156) no Hoare annotation was computed. [2021-02-19 16:57:39,160 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2021-02-19 16:57:39,160 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-02-19 16:57:39,160 INFO L189 CegarLoopUtils]: For program point L154(line 154) no Hoare annotation was computed. [2021-02-19 16:57:39,160 INFO L189 CegarLoopUtils]: For program point L153(line 153) no Hoare annotation was computed. [2021-02-19 16:57:39,160 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-02-19 16:57:39,161 INFO L189 CegarLoopUtils]: For program point L151(line 151) no Hoare annotation was computed. [2021-02-19 16:57:39,161 INFO L189 CegarLoopUtils]: For program point L150(line 150) no Hoare annotation was computed. [2021-02-19 16:57:39,161 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-02-19 16:57:39,161 INFO L189 CegarLoopUtils]: For program point L162(line 162) no Hoare annotation was computed. [2021-02-19 16:57:39,161 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 794 802) no Hoare annotation was computed. [2021-02-19 16:57:39,161 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 794 802) the Hoare annotation is: true [2021-02-19 16:57:39,161 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 794 802) no Hoare annotation was computed. [2021-02-19 16:57:39,161 INFO L189 CegarLoopUtils]: For program point L848(lines 848 852) no Hoare annotation was computed. [2021-02-19 16:57:39,161 INFO L192 CegarLoopUtils]: At program point L846(line 846) the Hoare annotation is: true [2021-02-19 16:57:39,162 INFO L189 CegarLoopUtils]: For program point L848-2(lines 848 852) no Hoare annotation was computed. [2021-02-19 16:57:39,162 INFO L189 CegarLoopUtils]: For program point L846-1(line 846) no Hoare annotation was computed. [2021-02-19 16:57:39,162 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 839 857) the Hoare annotation is: true [2021-02-19 16:57:39,162 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 839 857) no Hoare annotation was computed. [2021-02-19 16:57:39,162 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 839 857) no Hoare annotation was computed. [2021-02-19 16:57:39,162 INFO L189 CegarLoopUtils]: For program point L833(line 833) no Hoare annotation was computed. [2021-02-19 16:57:39,162 INFO L189 CegarLoopUtils]: For program point L833-1(line 833) no Hoare annotation was computed. [2021-02-19 16:57:39,162 INFO L189 CegarLoopUtils]: For program point L822(lines 822 830) no Hoare annotation was computed. [2021-02-19 16:57:39,162 INFO L189 CegarLoopUtils]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2021-02-19 16:57:39,163 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 803 838) no Hoare annotation was computed. [2021-02-19 16:57:39,163 INFO L189 CegarLoopUtils]: For program point L810(lines 810 818) no Hoare annotation was computed. [2021-02-19 16:57:39,163 INFO L189 CegarLoopUtils]: For program point L810-2(lines 810 818) no Hoare annotation was computed. [2021-02-19 16:57:39,163 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 803 838) no Hoare annotation was computed. [2021-02-19 16:57:39,163 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 803 838) no Hoare annotation was computed. [2021-02-19 16:57:39,163 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2021-02-19 16:57:39,163 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2021-02-19 16:57:39,163 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 216 261) no Hoare annotation was computed. [2021-02-19 16:57:39,163 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 216 261) no Hoare annotation was computed. [2021-02-19 16:57:39,163 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 216 261) no Hoare annotation was computed. [2021-02-19 16:57:39,164 INFO L189 CegarLoopUtils]: For program point L543(lines 543 563) no Hoare annotation was computed. [2021-02-19 16:57:39,164 INFO L189 CegarLoopUtils]: For program point L543-1(lines 543 563) no Hoare annotation was computed. [2021-02-19 16:57:39,164 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 529 574) no Hoare annotation was computed. [2021-02-19 16:57:39,164 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 529 574) no Hoare annotation was computed. [2021-02-19 16:57:39,164 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 529 574) no Hoare annotation was computed. [2021-02-19 16:57:39,164 INFO L189 CegarLoopUtils]: For program point L549(lines 549 556) no Hoare annotation was computed. [2021-02-19 16:57:39,164 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 176 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,164 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 176 185) no Hoare annotation was computed. [2021-02-19 16:57:39,164 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 176 185) no Hoare annotation was computed. [2021-02-19 16:57:39,165 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 783 793) the Hoare annotation is: true [2021-02-19 16:57:39,165 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 783 793) no Hoare annotation was computed. [2021-02-19 16:57:39,165 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 783 793) no Hoare annotation was computed. [2021-02-19 16:57:39,165 INFO L192 CegarLoopUtils]: At program point L788(line 788) the Hoare annotation is: true [2021-02-19 16:57:39,165 INFO L189 CegarLoopUtils]: For program point L788-1(line 788) no Hoare annotation was computed. [2021-02-19 16:57:39,165 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 775 782) the Hoare annotation is: true [2021-02-19 16:57:39,165 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 775 782) no Hoare annotation was computed. [2021-02-19 16:57:39,165 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 775 782) no Hoare annotation was computed. [2021-02-19 16:57:39,165 INFO L185 CegarLoopUtils]: At program point L761(line 761) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,166 INFO L189 CegarLoopUtils]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2021-02-19 16:57:39,166 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 742 766) no Hoare annotation was computed. [2021-02-19 16:57:39,166 INFO L185 CegarLoopUtils]: At program point L756(line 756) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,166 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 742 766) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,166 INFO L185 CegarLoopUtils]: At program point L752(line 752) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,166 INFO L189 CegarLoopUtils]: For program point L750(lines 750 758) no Hoare annotation was computed. [2021-02-19 16:57:39,166 INFO L185 CegarLoopUtils]: At program point L748(line 748) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,166 INFO L189 CegarLoopUtils]: For program point L748-1(line 748) no Hoare annotation was computed. [2021-02-19 16:57:39,167 INFO L189 CegarLoopUtils]: For program point L746(lines 746 763) no Hoare annotation was computed. [2021-02-19 16:57:39,167 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 708 714) no Hoare annotation was computed. [2021-02-19 16:57:39,167 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 708 714) the Hoare annotation is: true [2021-02-19 16:57:39,167 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 867 932) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,167 INFO L185 CegarLoopUtils]: At program point L925(lines 876 926) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,167 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 867 932) no Hoare annotation was computed. [2021-02-19 16:57:39,167 INFO L189 CegarLoopUtils]: For program point L915(lines 915 919) no Hoare annotation was computed. [2021-02-19 16:57:39,167 INFO L185 CegarLoopUtils]: At program point L915-2(lines 907 920) 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)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,168 INFO L189 CegarLoopUtils]: For program point L878(lines 877 924) no Hoare annotation was computed. [2021-02-19 16:57:39,168 INFO L185 CegarLoopUtils]: At program point L909(line 909) 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)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,168 INFO L189 CegarLoopUtils]: For program point L907(lines 907 920) no Hoare annotation was computed. [2021-02-19 16:57:39,168 INFO L185 CegarLoopUtils]: At program point L899(line 899) 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)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,168 INFO L189 CegarLoopUtils]: For program point L897(lines 897 903) no Hoare annotation was computed. [2021-02-19 16:57:39,168 INFO L189 CegarLoopUtils]: For program point L897-1(lines 897 903) no Hoare annotation was computed. [2021-02-19 16:57:39,168 INFO L185 CegarLoopUtils]: At program point L922(lines 877 924) 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)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,168 INFO L185 CegarLoopUtils]: At program point L889(line 889) 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)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point L887(lines 887 893) no Hoare annotation was computed. [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point L887-1(lines 887 893) no Hoare annotation was computed. [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point L879(lines 879 883) no Hoare annotation was computed. [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 867 932) no Hoare annotation was computed. [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 483 528) no Hoare annotation was computed. [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point L503(lines 503 510) no Hoare annotation was computed. [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 483 528) no Hoare annotation was computed. [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point L497(lines 497 517) no Hoare annotation was computed. [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 483 528) no Hoare annotation was computed. [2021-02-19 16:57:39,169 INFO L189 CegarLoopUtils]: For program point L497-1(lines 497 517) no Hoare annotation was computed. [2021-02-19 16:57:39,170 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 668 676) no Hoare annotation was computed. [2021-02-19 16:57:39,170 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 668 676) the Hoare annotation is: true [2021-02-19 16:57:39,170 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 668 676) no Hoare annotation was computed. [2021-02-19 16:57:39,170 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 636 658) no Hoare annotation was computed. [2021-02-19 16:57:39,170 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 636 658) no Hoare annotation was computed. [2021-02-19 16:57:39,170 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 636 658) no Hoare annotation was computed. [2021-02-19 16:57:39,170 INFO L189 CegarLoopUtils]: For program point L644(lines 644 652) no Hoare annotation was computed. [2021-02-19 16:57:39,170 INFO L189 CegarLoopUtils]: For program point L644-2(lines 644 652) no Hoare annotation was computed. [2021-02-19 16:57:39,170 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:39,170 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 380 482) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point L409(lines 409 425) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point L469(lines 469 476) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point L430(lines 429 449) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point L461-1(line 461) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point L426(lines 426 467) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 380 482) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point L445(line 445) no Hoare annotation was computed. [2021-02-19 16:57:39,171 INFO L189 CegarLoopUtils]: For program point L445-1(line 445) no Hoare annotation was computed. [2021-02-19 16:57:39,172 INFO L189 CegarLoopUtils]: For program point L404(lines 404 408) no Hoare annotation was computed. [2021-02-19 16:57:39,172 INFO L189 CegarLoopUtils]: For program point L468(lines 468 479) no Hoare annotation was computed. [2021-02-19 16:57:39,172 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 380 482) no Hoare annotation was computed. [2021-02-19 16:57:39,172 INFO L189 CegarLoopUtils]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-02-19 16:57:39,172 INFO L189 CegarLoopUtils]: For program point L429-2(lines 429 449) no Hoare annotation was computed. [2021-02-19 16:57:39,172 INFO L189 CegarLoopUtils]: For program point L450(lines 428 451) no Hoare annotation was computed. [2021-02-19 16:57:39,172 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,173 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:39,173 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,173 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 767 774) no Hoare annotation was computed. [2021-02-19 16:57:39,173 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 767 774) no Hoare annotation was computed. [2021-02-19 16:57:39,173 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 767 774) no Hoare annotation was computed. [2021-02-19 16:57:39,173 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 659 667) no Hoare annotation was computed. [2021-02-19 16:57:39,173 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 659 667) no Hoare annotation was computed. [2021-02-19 16:57:39,173 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 659 667) no Hoare annotation was computed. [2021-02-19 16:57:39,173 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 615 626) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:39,173 INFO L189 CegarLoopUtils]: For program point L619-1(lines 615 626) no Hoare annotation was computed. [2021-02-19 16:57:39,174 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 615 626) no Hoare annotation was computed. [2021-02-19 16:57:39,174 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,174 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,174 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,174 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 627 635) the Hoare annotation is: true [2021-02-19 16:57:39,174 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 627 635) no Hoare annotation was computed. [2021-02-19 16:57:39,174 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 627 635) no Hoare annotation was computed. [2021-02-19 16:57:39,174 INFO L185 CegarLoopUtils]: At program point L697(line 697) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,174 INFO L185 CegarLoopUtils]: At program point L695(lines 695 701) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,175 INFO L185 CegarLoopUtils]: At program point L690(line 690) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,175 INFO L189 CegarLoopUtils]: For program point L688(lines 687 706) no Hoare annotation was computed. [2021-02-19 16:57:39,175 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 684 707) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,175 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 684 707) no Hoare annotation was computed. [2021-02-19 16:57:39,175 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 684 707) no Hoare annotation was computed. [2021-02-19 16:57:39,175 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 111 140) no Hoare annotation was computed. [2021-02-19 16:57:39,175 INFO L189 CegarLoopUtils]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-02-19 16:57:39,175 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 111 140) the Hoare annotation is: true [2021-02-19 16:57:39,175 INFO L192 CegarLoopUtils]: At program point L125-1(lines 125 129) the Hoare annotation is: true [2021-02-19 16:57:39,176 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-02-19 16:57:39,176 INFO L192 CegarLoopUtils]: At program point L121-2(lines 121 135) the Hoare annotation is: true [2021-02-19 16:57:39,176 INFO L192 CegarLoopUtils]: At program point L117(line 117) the Hoare annotation is: true [2021-02-19 16:57:39,176 INFO L189 CegarLoopUtils]: For program point L117-1(line 117) no Hoare annotation was computed. [2021-02-19 16:57:39,176 INFO L192 CegarLoopUtils]: At program point L136(lines 111 140) the Hoare annotation is: true [2021-02-19 16:57:39,176 INFO L189 CegarLoopUtils]: For program point L132(line 132) no Hoare annotation was computed. [2021-02-19 16:57:39,176 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 591 602) the Hoare annotation is: true [2021-02-19 16:57:39,176 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 591 602) no Hoare annotation was computed. [2021-02-19 16:57:39,176 INFO L189 CegarLoopUtils]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2021-02-19 16:57:39,177 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2021-02-19 16:57:39,177 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2021-02-19 16:57:39,177 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,177 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:57:39,177 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:39,177 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:39,177 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 858 865) no Hoare annotation was computed. [2021-02-19 16:57:39,177 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 858 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-19 16:57:39,177 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 858 865) no Hoare annotation was computed. [2021-02-19 16:57:39,178 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 603 614) no Hoare annotation was computed. [2021-02-19 16:57:39,178 INFO L189 CegarLoopUtils]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2021-02-19 16:57:39,178 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 603 614) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:39,178 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 576 583) no Hoare annotation was computed. [2021-02-19 16:57:39,178 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-02-19 16:57:39,178 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 576 583) the Hoare annotation is: true [2021-02-19 16:57:39,178 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 576 583) no Hoare annotation was computed. [2021-02-19 16:57:39,178 INFO L185 CegarLoopUtils]: At program point L97(line 97) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:39,179 INFO L189 CegarLoopUtils]: For program point L95(lines 95 101) no Hoare annotation was computed. [2021-02-19 16:57:39,179 INFO L185 CegarLoopUtils]: At program point L93(line 93) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:39,179 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 83 107) the Hoare annotation is: true [2021-02-19 16:57:39,179 INFO L189 CegarLoopUtils]: For program point L93-1(line 93) no Hoare annotation was computed. [2021-02-19 16:57:39,179 INFO L189 CegarLoopUtils]: For program point L91(lines 91 104) no Hoare annotation was computed. [2021-02-19 16:57:39,179 INFO L189 CegarLoopUtils]: For program point L91-1(lines 83 107) no Hoare annotation was computed. [2021-02-19 16:57:39,179 INFO L192 CegarLoopUtils]: At program point L89(line 89) the Hoare annotation is: true [2021-02-19 16:57:39,179 INFO L189 CegarLoopUtils]: For program point L89-1(line 89) no Hoare annotation was computed. [2021-02-19 16:57:39,179 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 83 107) no Hoare annotation was computed. [2021-02-19 16:57:39,180 INFO L185 CegarLoopUtils]: At program point L735(line 735) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,180 INFO L189 CegarLoopUtils]: For program point L735-1(lines 716 740) no Hoare annotation was computed. [2021-02-19 16:57:39,180 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 716 740) no Hoare annotation was computed. [2021-02-19 16:57:39,180 INFO L185 CegarLoopUtils]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 716 740) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,180 INFO L185 CegarLoopUtils]: At program point L730(line 730) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,180 INFO L185 CegarLoopUtils]: At program point L726(line 726) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,180 INFO L189 CegarLoopUtils]: For program point L724(lines 724 732) no Hoare annotation was computed. [2021-02-19 16:57:39,180 INFO L185 CegarLoopUtils]: At program point L722(line 722) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:39,180 INFO L189 CegarLoopUtils]: For program point L722-1(line 722) no Hoare annotation was computed. [2021-02-19 16:57:39,181 INFO L189 CegarLoopUtils]: For program point L720(lines 720 737) no Hoare annotation was computed. [2021-02-19 16:57:39,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:39 BoogieIcfgContainer [2021-02-19 16:57:39,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:39,198 INFO L168 Benchmark]: Toolchain (without parser) took 28675.54 ms. Allocated memory was 160.4 MB in the beginning and 402.7 MB in the end (delta: 242.2 MB). Free memory was 134.7 MB in the beginning and 217.0 MB in the end (delta: -82.3 MB). Peak memory consumption was 238.5 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,198 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 160.4 MB. Free memory is still 131.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:39,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.00 ms. Allocated memory is still 160.4 MB. Free memory was 133.7 MB in the beginning and 112.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,200 INFO L168 Benchmark]: Boogie Preprocessor took 105.46 ms. Allocated memory is still 160.4 MB. Free memory was 112.2 MB in the beginning and 108.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,200 INFO L168 Benchmark]: RCFGBuilder took 1363.59 ms. Allocated memory is still 160.4 MB. Free memory was 108.4 MB in the beginning and 57.3 MB in the end (delta: 51.1 MB). Peak memory consumption was 50.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,201 INFO L168 Benchmark]: TraceAbstraction took 26469.47 ms. Allocated memory was 160.4 MB in the beginning and 402.7 MB in the end (delta: 242.2 MB). Free memory was 56.8 MB in the beginning and 217.0 MB in the end (delta: -160.2 MB). Peak memory consumption was 161.4 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:39,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 160.4 MB. Free memory is still 131.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 715.00 ms. Allocated memory is still 160.4 MB. Free memory was 133.7 MB in the beginning and 112.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 105.46 ms. Allocated memory is still 160.4 MB. Free memory was 112.2 MB in the beginning and 108.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1363.59 ms. Allocated memory is still 160.4 MB. Free memory was 108.4 MB in the beginning and 57.3 MB in the end (delta: 51.1 MB). Peak memory consumption was 50.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26469.47 ms. Allocated memory was 160.4 MB in the beginning and 402.7 MB in the end (delta: 242.2 MB). Free memory was 56.8 MB in the beginning and 217.0 MB in the end (delta: -160.2 MB). Peak memory consumption was 161.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 482 SDtfs, 770 SDslu, 288 SDs, 0 SdLazy, 1750 SolverSat, 534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 339 PreInvPairs, 369 NumberOfFragments, 794 HoareAnnotationTreeSize, 339 FomulaSimplifications, 44741 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9089 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 84890 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...