/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:40:03,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:40:03,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:40:03,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:40:03,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:40:03,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:40:03,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:40:03,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:40:03,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:40:03,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:40:03,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:40:03,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:40:03,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:40:03,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:40:03,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:40:03,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:40:03,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:40:03,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:40:03,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:40:03,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:40:03,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:40:03,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:40:03,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:40:03,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:40:03,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:40:03,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:40:03,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:40:03,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:40:03,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:40:03,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:40:03,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:40:03,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:40:03,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:40:03,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:40:03,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:40:03,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:40:03,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:40:03,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:40:03,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:40:03,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:40:03,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:40:03,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:40:03,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:40:03,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:40:03,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:40:03,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:40:03,564 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:40:03,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:40:03,565 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:40:03,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:40:03,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:40:03,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:40:03,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:40:03,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:40:03,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:40:03,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:40:03,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:40:03,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:40:03,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:40:03,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:40:03,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:40:03,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:40:03,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:40:03,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:40:03,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:40:03,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:40:03,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:40:03,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:40:03,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:40:03,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:40:03,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:40:03,572 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:40:03,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:40:04,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:40:04,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:40:04,028 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:40:04,029 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:40:04,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-10-27 03:40:04,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/520cce8e1/73a0678ce7dc4727a7acd1d577db012c/FLAG8317005e1 [2020-10-27 03:40:04,963 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:40:04,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-10-27 03:40:04,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/520cce8e1/73a0678ce7dc4727a7acd1d577db012c/FLAG8317005e1 [2020-10-27 03:40:05,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/520cce8e1/73a0678ce7dc4727a7acd1d577db012c [2020-10-27 03:40:05,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:40:05,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:40:05,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:40:05,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:40:05,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:40:05,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:40:05" (1/1) ... [2020-10-27 03:40:05,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b5ae32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05, skipping insertion in model container [2020-10-27 03:40:05,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:40:05" (1/1) ... [2020-10-27 03:40:05,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:40:05,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:40:05,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:40:05,734 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:40:05,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:40:05,918 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:40:05,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05 WrapperNode [2020-10-27 03:40:05,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:40:05,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:40:05,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:40:05,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:40:05,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05" (1/1) ... [2020-10-27 03:40:05,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05" (1/1) ... [2020-10-27 03:40:05,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05" (1/1) ... [2020-10-27 03:40:05,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05" (1/1) ... [2020-10-27 03:40:06,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05" (1/1) ... [2020-10-27 03:40:06,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05" (1/1) ... [2020-10-27 03:40:06,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05" (1/1) ... [2020-10-27 03:40:06,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:40:06,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:40:06,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:40:06,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:40:06,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 03:40:06,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:40:06,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:40:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:40:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:40:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:40:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:40:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:40:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:40:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:40:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:40:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:40:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:40:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:40:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:40:06,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:40:06,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:40:06,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:40:06,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:40:06,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:40:06,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:40:06,197 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:40:06,197 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:40:06,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 03:40:06,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:40:06,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-27 03:40:06,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:40:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:40:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:40:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:40:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:40:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 03:40:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:40:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:40:06,199 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:40:06,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:40:06,199 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:40:06,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:40:06,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:40:06,199 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:40:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:40:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:40:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:40:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:40:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:40:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:40:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:40:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:40:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:40:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:40:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:40:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:40:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:40:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:40:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:40:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:40:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:40:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:40:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:40:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:40:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:40:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:40:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:40:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:40:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:40:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:40:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:40:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:40:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:40:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:40:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 03:40:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:40:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:40:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:40:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:40:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:40:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:40:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:40:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:40:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:40:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 03:40:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:40:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-27 03:40:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:40:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:40:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:40:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:40:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:40:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:40:06,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:40:06,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:40:07,475 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:40:07,475 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:40:07,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:40:07 BoogieIcfgContainer [2020-10-27 03:40:07,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:40:07,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:40:07,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:40:07,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:40:07,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:40:05" (1/3) ... [2020-10-27 03:40:07,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e67c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:40:07, skipping insertion in model container [2020-10-27 03:40:07,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:40:05" (2/3) ... [2020-10-27 03:40:07,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e67c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:40:07, skipping insertion in model container [2020-10-27 03:40:07,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:40:07" (3/3) ... [2020-10-27 03:40:07,488 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-10-27 03:40:07,501 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:40:07,507 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:40:07,522 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:40:07,552 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:40:07,553 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:40:07,553 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:40:07,553 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:40:07,553 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:40:07,553 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:40:07,553 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:40:07,554 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:40:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-10-27 03:40:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:40:07,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:40:07,590 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] [2020-10-27 03:40:07,590 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:40:07,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:40:07,597 INFO L82 PathProgramCache]: Analyzing trace with hash 537812287, now seen corresponding path program 1 times [2020-10-27 03:40:07,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:40:07,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705536348] [2020-10-27 03:40:07,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:40:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:10,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:11,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:13,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:13,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:40:13,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:40:13,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 03:40:13,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:40:13,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:13,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 03:40:13,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 03:40:13,513 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:40:13,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:40:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:13,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:13,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:13,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:13,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 03:40:13,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:40:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:13,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:40:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:13,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:13,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:13,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:13,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:40:13,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:13,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:13,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:40:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:13,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:13,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:13,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:13,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:13,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:40:13,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:13,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:13,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:40:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:13,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:13,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:13,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:13,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:13,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:40:13,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:13,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:13,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:40:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:13,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:13,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:13,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:13,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:13,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:40:13,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:13,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:13,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:13,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:40:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:13,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:13,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:13,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:13,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:13,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:40:13,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:40:13,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:13,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:40:13,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:40:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:13,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:13,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:13,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:13,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:13,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:40:13,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:13,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:40:13,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:13,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:40:13,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:13,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:40:13,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705536348] [2020-10-27 03:40:13,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:40:13,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:40:13,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850372731] [2020-10-27 03:40:13,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:40:13,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:40:13,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:40:13,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:40:13,863 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 7 states. [2020-10-27 03:40:14,511 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:40:15,492 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:40:16,036 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:40:16,567 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:40:17,067 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:40:18,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:40:18,744 INFO L93 Difference]: Finished difference Result 350 states and 476 transitions. [2020-10-27 03:40:18,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:40:18,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 03:40:18,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:40:18,764 INFO L225 Difference]: With dead ends: 350 [2020-10-27 03:40:18,764 INFO L226 Difference]: Without dead ends: 218 [2020-10-27 03:40:18,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:40:18,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-27 03:40:18,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 187. [2020-10-27 03:40:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-27 03:40:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 227 transitions. [2020-10-27 03:40:18,908 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 227 transitions. Word has length 47 [2020-10-27 03:40:18,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:40:18,909 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 227 transitions. [2020-10-27 03:40:18,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:40:18,909 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 227 transitions. [2020-10-27 03:40:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 03:40:18,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:40:18,914 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] [2020-10-27 03:40:18,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:40:18,915 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:40:18,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:40:18,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1775137895, now seen corresponding path program 1 times [2020-10-27 03:40:18,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:40:18,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909924402] [2020-10-27 03:40:18,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:40:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:18,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:19,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:21,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:22,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:22,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:40:22,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:40:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3103 [2020-10-27 03:40:22,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:40:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 03:40:22,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:22,457 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:40:22,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:40:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:22,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:22,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:22,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:22,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:22,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 03:40:22,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:40:22,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:22,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:40:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:22,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:22,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:22,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:22,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:22,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:40:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:22,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:22,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:22,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:22,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:22,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:22,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:22,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:22,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:22,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:22,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:40:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:22,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:22,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:22,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:22,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:22,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:40:22,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:22,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:22,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:40:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:22,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:22,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:22,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:22,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:22,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:22,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:22,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:22,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:40:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:22,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:22,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:22,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:22,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:40:22,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:22,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:40:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:22,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:22,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:22,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:22,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:22,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:40:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:40:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:22,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 03:40:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:22,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:22,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:22,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:22,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:22,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:40:22,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:22,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:40:22,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:22,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:40:22,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:40:22,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909924402] [2020-10-27 03:40:22,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:40:22,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 03:40:22,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946758887] [2020-10-27 03:40:22,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 03:40:22,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:40:22,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 03:40:22,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:40:22,679 INFO L87 Difference]: Start difference. First operand 187 states and 227 transitions. Second operand 5 states. [2020-10-27 03:40:23,237 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:40:24,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:40:24,572 INFO L93 Difference]: Finished difference Result 390 states and 516 transitions. [2020-10-27 03:40:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 03:40:24,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-27 03:40:24,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:40:24,578 INFO L225 Difference]: With dead ends: 390 [2020-10-27 03:40:24,578 INFO L226 Difference]: Without dead ends: 227 [2020-10-27 03:40:24,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:40:24,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-27 03:40:24,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 185. [2020-10-27 03:40:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-27 03:40:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 221 transitions. [2020-10-27 03:40:24,699 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 221 transitions. Word has length 52 [2020-10-27 03:40:24,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:40:24,699 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 221 transitions. [2020-10-27 03:40:24,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 03:40:24,700 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 221 transitions. [2020-10-27 03:40:24,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 03:40:24,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:40:24,703 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] [2020-10-27 03:40:24,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:40:24,704 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:40:24,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:40:24,704 INFO L82 PathProgramCache]: Analyzing trace with hash 2118663208, now seen corresponding path program 1 times [2020-10-27 03:40:24,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:40:24,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584173714] [2020-10-27 03:40:24,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:40:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:24,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:24,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:25,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:27,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:29,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:29,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 03:40:29,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:40:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 03:40:29,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:29,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:40:29,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:29,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 03:40:29,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,197 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:40:30,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:40:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:30,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:30,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 03:40:30,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:40:30,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:40:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:30,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:30,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:40:30,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:30,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:40:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:30,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:30,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:30,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:30,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:30,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:40:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:40:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:30,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:40:30,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:30,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:40:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:30,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:40:30,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:40:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:30,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:30,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:40:30,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:30,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:40:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:40:30,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:40:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:40:30,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:40:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:40:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:40:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:40:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:30,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:40:30,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:30,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 03:40:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:30,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:30,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:40:30,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:30,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 03:40:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:30,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:30,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:30,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:30,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:40:30,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:40:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:30,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:40:30,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584173714] [2020-10-27 03:40:30,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:40:30,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 03:40:30,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841734892] [2020-10-27 03:40:30,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:40:30,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:40:30,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:40:30,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:40:30,506 INFO L87 Difference]: Start difference. First operand 185 states and 221 transitions. Second operand 10 states. [2020-10-27 03:40:31,254 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:40:32,508 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:40:32,950 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:40:33,349 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:40:33,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:40:33,648 INFO L93 Difference]: Finished difference Result 313 states and 398 transitions. [2020-10-27 03:40:33,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:40:33,650 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2020-10-27 03:40:33,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:40:33,651 INFO L225 Difference]: With dead ends: 313 [2020-10-27 03:40:33,652 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 03:40:33,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:40:33,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 03:40:33,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 03:40:33,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 03:40:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 03:40:33,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-10-27 03:40:33,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:40:33,663 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 03:40:33,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:40:33,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 03:40:33,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 03:40:33,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:40:33,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 03:40:37,041 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-27 03:40:37,331 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:40:37,905 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-27 03:40:38,286 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:40:38,593 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:40:39,198 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:40:39,794 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2020-10-27 03:40:40,151 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:40:40,731 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:40:41,027 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:40:41,626 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2020-10-27 03:40:42,186 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-27 03:40:42,490 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:40:42,775 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:40:43,336 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:40:43,639 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:40:43,947 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:40:44,230 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:40:44,759 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:40:45,026 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:40:45,334 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:40:45,651 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:40:46,210 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:40:46,773 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:40:47,341 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:40:47,400 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 03:40:47,400 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 03:40:47,400 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 03:40:47,400 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 03:40:47,400 INFO L274 CegarLoopResult]: For program point L249(lines 249 253) no Hoare annotation was computed. [2020-10-27 03:40:47,401 INFO L274 CegarLoopResult]: For program point L249-1(lines 249 253) no Hoare annotation was computed. [2020-10-27 03:40:47,401 INFO L274 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-10-27 03:40:47,401 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 218 273) no Hoare annotation was computed. [2020-10-27 03:40:47,401 INFO L274 CegarLoopResult]: For program point L243-2(lines 243 264) no Hoare annotation was computed. [2020-10-27 03:40:47,401 INFO L274 CegarLoopResult]: For program point L265(lines 242 266) no Hoare annotation was computed. [2020-10-27 03:40:47,401 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 218 273) no Hoare annotation was computed. [2020-10-27 03:40:47,401 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 218 273) no Hoare annotation was computed. [2020-10-27 03:40:47,402 INFO L274 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-10-27 03:40:47,402 INFO L274 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2020-10-27 03:40:47,402 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 274 333) no Hoare annotation was computed. [2020-10-27 03:40:47,402 INFO L274 CegarLoopResult]: For program point L306(lines 306 310) no Hoare annotation was computed. [2020-10-27 03:40:47,402 INFO L274 CegarLoopResult]: For program point L306-1(lines 306 310) no Hoare annotation was computed. [2020-10-27 03:40:47,403 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 274 333) no Hoare annotation was computed. [2020-10-27 03:40:47,403 INFO L274 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-10-27 03:40:47,403 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 325) no Hoare annotation was computed. [2020-10-27 03:40:47,403 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 274 333) no Hoare annotation was computed. [2020-10-27 03:40:47,403 INFO L274 CegarLoopResult]: For program point L326(lines 299 327) no Hoare annotation was computed. [2020-10-27 03:40:47,403 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-10-27 03:40:47,403 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-27 03:40:47,404 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-10-27 03:40:47,404 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-10-27 03:40:47,404 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-10-27 03:40:47,404 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 870 894) the Hoare annotation is: true [2020-10-27 03:40:47,404 INFO L270 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:47,404 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 870 894) no Hoare annotation was computed. [2020-10-27 03:40:47,404 INFO L274 CegarLoopResult]: For program point L882(lines 882 888) no Hoare annotation was computed. [2020-10-27 03:40:47,404 INFO L270 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:47,405 INFO L274 CegarLoopResult]: For program point L880-1(line 880) no Hoare annotation was computed. [2020-10-27 03:40:47,405 INFO L274 CegarLoopResult]: For program point L878(lines 878 891) no Hoare annotation was computed. [2020-10-27 03:40:47,405 INFO L274 CegarLoopResult]: For program point L878-1(lines 870 894) no Hoare annotation was computed. [2020-10-27 03:40:47,405 INFO L277 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: true [2020-10-27 03:40:47,405 INFO L274 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-10-27 03:40:47,405 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 846 868) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:40:47,405 INFO L270 CegarLoopResult]: At program point L858(line 858) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:40:47,406 INFO L270 CegarLoopResult]: At program point L858-1(line 858) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:40:47,406 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2020-10-27 03:40:47,406 INFO L274 CegarLoopResult]: For program point L856(lines 856 863) no Hoare annotation was computed. [2020-10-27 03:40:47,406 INFO L274 CegarLoopResult]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2020-10-27 03:40:47,406 INFO L274 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-10-27 03:40:47,406 INFO L270 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:40:47,406 INFO L270 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:40:47,407 INFO L270 CegarLoopResult]: At program point L852-1(line 852) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:40:47,407 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 846 868) no Hoare annotation was computed. [2020-10-27 03:40:47,407 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 805 828) no Hoare annotation was computed. [2020-10-27 03:40:47,407 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 805 828) no Hoare annotation was computed. [2020-10-27 03:40:47,407 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 805 828) no Hoare annotation was computed. [2020-10-27 03:40:47,407 INFO L274 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-10-27 03:40:47,407 INFO L274 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-10-27 03:40:47,407 INFO L274 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-10-27 03:40:47,408 INFO L274 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-10-27 03:40:47,408 INFO L274 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-10-27 03:40:47,408 INFO L274 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-10-27 03:40:47,408 INFO L274 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-10-27 03:40:47,408 INFO L274 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-10-27 03:40:47,408 INFO L274 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-10-27 03:40:47,408 INFO L274 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-10-27 03:40:47,408 INFO L274 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-10-27 03:40:47,408 INFO L274 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-10-27 03:40:47,409 INFO L274 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-10-27 03:40:47,409 INFO L274 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-10-27 03:40:47,409 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 634 640) no Hoare annotation was computed. [2020-10-27 03:40:47,409 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 634 640) the Hoare annotation is: true [2020-10-27 03:40:47,409 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 667 674) no Hoare annotation was computed. [2020-10-27 03:40:47,409 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 667 674) no Hoare annotation was computed. [2020-10-27 03:40:47,409 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 667 674) no Hoare annotation was computed. [2020-10-27 03:40:47,409 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 711 719) no Hoare annotation was computed. [2020-10-27 03:40:47,409 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 711 719) the Hoare annotation is: true [2020-10-27 03:40:47,410 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 711 719) no Hoare annotation was computed. [2020-10-27 03:40:47,410 INFO L274 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-10-27 03:40:47,410 INFO L274 CegarLoopResult]: For program point L727(lines 727 735) no Hoare annotation was computed. [2020-10-27 03:40:47,410 INFO L274 CegarLoopResult]: For program point L727-2(lines 727 735) no Hoare annotation was computed. [2020-10-27 03:40:47,410 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 720 755) no Hoare annotation was computed. [2020-10-27 03:40:47,410 INFO L274 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-10-27 03:40:47,410 INFO L274 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-10-27 03:40:47,410 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 720 755) no Hoare annotation was computed. [2020-10-27 03:40:47,411 INFO L274 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-10-27 03:40:47,411 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 720 755) no Hoare annotation was computed. [2020-10-27 03:40:47,411 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-10-27 03:40:47,411 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-10-27 03:40:47,411 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 172 217) no Hoare annotation was computed. [2020-10-27 03:40:47,411 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 172 217) no Hoare annotation was computed. [2020-10-27 03:40:47,411 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 172 217) no Hoare annotation was computed. [2020-10-27 03:40:47,411 INFO L274 CegarLoopResult]: For program point L509(lines 509 510) no Hoare annotation was computed. [2020-10-27 03:40:47,411 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 485 530) no Hoare annotation was computed. [2020-10-27 03:40:47,412 INFO L274 CegarLoopResult]: For program point L505(lines 505 512) no Hoare annotation was computed. [2020-10-27 03:40:47,412 INFO L274 CegarLoopResult]: For program point L499(lines 499 519) no Hoare annotation was computed. [2020-10-27 03:40:47,412 INFO L274 CegarLoopResult]: For program point L499-1(lines 499 519) no Hoare annotation was computed. [2020-10-27 03:40:47,412 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 509 510) no Hoare annotation was computed. [2020-10-27 03:40:47,412 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 516 517) no Hoare annotation was computed. [2020-10-27 03:40:47,412 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 485 530) no Hoare annotation was computed. [2020-10-27 03:40:47,412 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 485 530) no Hoare annotation was computed. [2020-10-27 03:40:47,412 INFO L274 CegarLoopResult]: For program point L516(lines 516 517) no Hoare annotation was computed. [2020-10-27 03:40:47,413 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 836 845) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:40:47,413 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2020-10-27 03:40:47,413 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2020-10-27 03:40:47,413 INFO L277 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: true [2020-10-27 03:40:47,413 INFO L274 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-10-27 03:40:47,413 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 700 710) the Hoare annotation is: true [2020-10-27 03:40:47,413 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 700 710) no Hoare annotation was computed. [2020-10-27 03:40:47,413 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 700 710) no Hoare annotation was computed. [2020-10-27 03:40:47,414 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 692 699) the Hoare annotation is: true [2020-10-27 03:40:47,414 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 692 699) no Hoare annotation was computed. [2020-10-27 03:40:47,414 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 692 699) no Hoare annotation was computed. [2020-10-27 03:40:47,414 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 642 666) no Hoare annotation was computed. [2020-10-27 03:40:47,414 INFO L270 CegarLoopResult]: At program point L661(line 661) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:40:47,414 INFO L274 CegarLoopResult]: For program point L661-1(lines 642 666) no Hoare annotation was computed. [2020-10-27 03:40:47,414 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 642 666) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:40:47,415 INFO L270 CegarLoopResult]: At program point L656(line 656) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:40:47,415 INFO L270 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:40:47,415 INFO L274 CegarLoopResult]: For program point L650(lines 650 658) no Hoare annotation was computed. [2020-10-27 03:40:47,415 INFO L270 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:40:47,415 INFO L274 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-10-27 03:40:47,415 INFO L274 CegarLoopResult]: For program point L646(lines 646 663) no Hoare annotation was computed. [2020-10-27 03:40:47,415 INFO L270 CegarLoopResult]: At program point testENTRY(lines 535 600) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:40:47,415 INFO L274 CegarLoopResult]: For program point testFINAL(lines 535 600) no Hoare annotation was computed. [2020-10-27 03:40:47,416 INFO L270 CegarLoopResult]: At program point L593(lines 544 594) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:40:47,416 INFO L274 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2020-10-27 03:40:47,416 INFO L270 CegarLoopResult]: At program point L583-2(lines 575 588) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:40:47,416 INFO L274 CegarLoopResult]: For program point L546(lines 545 592) no Hoare annotation was computed. [2020-10-27 03:40:47,416 INFO L270 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:40:47,416 INFO L274 CegarLoopResult]: For program point L575(lines 575 588) no Hoare annotation was computed. [2020-10-27 03:40:47,416 INFO L270 CegarLoopResult]: At program point L567(line 567) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:40:47,417 INFO L274 CegarLoopResult]: For program point L565(lines 565 571) no Hoare annotation was computed. [2020-10-27 03:40:47,417 INFO L274 CegarLoopResult]: For program point L565-1(lines 565 571) no Hoare annotation was computed. [2020-10-27 03:40:47,417 INFO L270 CegarLoopResult]: At program point L590(lines 545 592) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:40:47,417 INFO L270 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:40:47,417 INFO L274 CegarLoopResult]: For program point L555(lines 555 561) no Hoare annotation was computed. [2020-10-27 03:40:47,417 INFO L274 CegarLoopResult]: For program point L555-1(lines 555 561) no Hoare annotation was computed. [2020-10-27 03:40:47,417 INFO L274 CegarLoopResult]: For program point L547(lines 547 551) no Hoare annotation was computed. [2020-10-27 03:40:47,417 INFO L274 CegarLoopResult]: For program point testEXIT(lines 535 600) no Hoare annotation was computed. [2020-10-27 03:40:47,418 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 463 464) no Hoare annotation was computed. [2020-10-27 03:40:47,418 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 470 471) no Hoare annotation was computed. [2020-10-27 03:40:47,418 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 439 484) no Hoare annotation was computed. [2020-10-27 03:40:47,418 INFO L274 CegarLoopResult]: For program point L470(lines 470 471) no Hoare annotation was computed. [2020-10-27 03:40:47,418 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 439 484) no Hoare annotation was computed. [2020-10-27 03:40:47,418 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 439 484) no Hoare annotation was computed. [2020-10-27 03:40:47,418 INFO L274 CegarLoopResult]: For program point L463(lines 463 464) no Hoare annotation was computed. [2020-10-27 03:40:47,418 INFO L274 CegarLoopResult]: For program point L459(lines 459 466) no Hoare annotation was computed. [2020-10-27 03:40:47,418 INFO L274 CegarLoopResult]: For program point L453(lines 453 473) no Hoare annotation was computed. [2020-10-27 03:40:47,419 INFO L274 CegarLoopResult]: For program point L453-1(lines 453 473) no Hoare annotation was computed. [2020-10-27 03:40:47,419 INFO L274 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2020-10-27 03:40:47,419 INFO L274 CegarLoopResult]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2020-10-27 03:40:47,419 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2020-10-27 03:40:47,419 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2020-10-27 03:40:47,419 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2020-10-27 03:40:47,419 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-10-27 03:40:47,419 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-10-27 03:40:47,419 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point L417-1(line 417) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 336 438) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point L382(lines 382 423) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point L360(lines 360 364) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point L424(lines 424 435) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 336 438) no Hoare annotation was computed. [2020-10-27 03:40:47,420 INFO L274 CegarLoopResult]: For program point L387(lines 387 391) no Hoare annotation was computed. [2020-10-27 03:40:47,421 INFO L274 CegarLoopResult]: For program point L385-2(lines 385 405) no Hoare annotation was computed. [2020-10-27 03:40:47,421 INFO L274 CegarLoopResult]: For program point L406(lines 384 407) no Hoare annotation was computed. [2020-10-27 03:40:47,421 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 336 438) no Hoare annotation was computed. [2020-10-27 03:40:47,421 INFO L274 CegarLoopResult]: For program point L365(lines 365 381) no Hoare annotation was computed. [2020-10-27 03:40:47,421 INFO L274 CegarLoopResult]: For program point L425(lines 425 432) no Hoare annotation was computed. [2020-10-27 03:40:47,421 INFO L274 CegarLoopResult]: For program point L386(lines 385 405) no Hoare annotation was computed. [2020-10-27 03:40:47,421 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:40:47,422 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 03:40:47,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:40:47,422 INFO L274 CegarLoopResult]: For program point L686(line 686) no Hoare annotation was computed. [2020-10-27 03:40:47,422 INFO L274 CegarLoopResult]: For program point L686-1(lines 675 691) no Hoare annotation was computed. [2020-10-27 03:40:47,422 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 675 691) no Hoare annotation was computed. [2020-10-27 03:40:47,422 INFO L274 CegarLoopResult]: For program point L682(lines 682 688) no Hoare annotation was computed. [2020-10-27 03:40:47,422 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 675 691) no Hoare annotation was computed. [2020-10-27 03:40:47,422 INFO L274 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-10-27 03:40:47,423 INFO L274 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-10-27 03:40:47,423 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 156 164) the Hoare annotation is: true [2020-10-27 03:40:47,423 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2020-10-27 03:40:47,423 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2020-10-27 03:40:47,423 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-27 03:40:47,423 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2020-10-27 03:40:47,423 INFO L274 CegarLoopResult]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2020-10-27 03:40:47,423 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:40:47,423 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 03:40:47,424 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:40:47,424 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2020-10-27 03:40:47,424 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2020-10-27 03:40:47,424 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2020-10-27 03:40:47,424 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 610 633) 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))) [2020-10-27 03:40:47,424 INFO L270 CegarLoopResult]: At program point L623(line 623) 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))) [2020-10-27 03:40:47,424 INFO L270 CegarLoopResult]: At program point L621(lines 621 627) 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))) [2020-10-27 03:40:47,424 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 610 633) no Hoare annotation was computed. [2020-10-27 03:40:47,425 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:40:47,425 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 610 633) no Hoare annotation was computed. [2020-10-27 03:40:47,425 INFO L274 CegarLoopResult]: For program point L614(lines 613 632) no Hoare annotation was computed. [2020-10-27 03:40:47,425 INFO L277 CegarLoopResult]: At program point L800(lines 775 804) the Hoare annotation is: true [2020-10-27 03:40:47,425 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2020-10-27 03:40:47,425 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 775 804) 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))) [2020-10-27 03:40:47,425 INFO L274 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-10-27 03:40:47,425 INFO L274 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2020-10-27 03:40:47,426 INFO L270 CegarLoopResult]: At program point L789-1(lines 789 793) 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))) [2020-10-27 03:40:47,426 INFO L274 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-10-27 03:40:47,426 INFO L270 CegarLoopResult]: At program point L785-2(lines 785 799) 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))) [2020-10-27 03:40:47,426 INFO L270 CegarLoopResult]: At program point L781(line 781) 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))) [2020-10-27 03:40:47,426 INFO L274 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-10-27 03:40:47,426 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2020-10-27 03:40:47,426 INFO L274 CegarLoopResult]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2020-10-27 03:40:47,427 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2020-10-27 03:40:47,427 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2020-10-27 03:40:47,427 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2020-10-27 03:40:47,427 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:40:47,427 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-27 03:40:47,427 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 03:40:47,427 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:40:47,427 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 756 763) no Hoare annotation was computed. [2020-10-27 03:40:47,428 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 756 763) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-27 03:40:47,428 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 756 763) no Hoare annotation was computed. [2020-10-27 03:40:47,428 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2020-10-27 03:40:47,428 INFO L274 CegarLoopResult]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2020-10-27 03:40:47,428 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:47,428 INFO L274 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-10-27 03:40:47,428 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 765 772) no Hoare annotation was computed. [2020-10-27 03:40:47,428 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 765 772) the Hoare annotation is: true [2020-10-27 03:40:47,428 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 765 772) no Hoare annotation was computed. [2020-10-27 03:40:47,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:40:47 BoogieIcfgContainer [2020-10-27 03:40:47,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:40:47,450 INFO L168 Benchmark]: Toolchain (without parser) took 42209.21 ms. Allocated memory was 151.0 MB in the beginning and 601.9 MB in the end (delta: 450.9 MB). Free memory was 125.7 MB in the beginning and 242.3 MB in the end (delta: -116.5 MB). Peak memory consumption was 359.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:47,450 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:40:47,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.61 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 104.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:47,452 INFO L168 Benchmark]: Boogie Preprocessor took 130.83 ms. Allocated memory is still 151.0 MB. Free memory was 104.6 MB in the beginning and 100.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:47,453 INFO L168 Benchmark]: RCFGBuilder took 1424.22 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 130.5 MB in the end (delta: -29.7 MB). Peak memory consumption was 55.9 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:47,454 INFO L168 Benchmark]: TraceAbstraction took 39968.28 ms. Allocated memory was 151.0 MB in the beginning and 601.9 MB in the end (delta: 450.9 MB). Free memory was 130.0 MB in the beginning and 242.3 MB in the end (delta: -112.3 MB). Peak memory consumption was 362.8 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:47,457 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 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 669.61 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 104.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 130.83 ms. Allocated memory is still 151.0 MB. Free memory was 104.6 MB in the beginning and 100.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1424.22 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 130.5 MB in the end (delta: -29.7 MB). Peak memory consumption was 55.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39968.28 ms. Allocated memory was 151.0 MB in the beginning and 601.9 MB in the end (delta: 450.9 MB). Free memory was 130.0 MB in the beginning and 242.3 MB in the end (delta: -112.3 MB). Peak memory consumption was 362.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 470]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 463]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 509]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 516]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 227 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 522 SDslu, 283 SDs, 0 SdLazy, 1107 SolverSat, 327 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=1, 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, 3 MinimizatonAttempts, 73 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 308 PreInvPairs, 364 NumberOfFragments, 788 HoareAnnotationTreeSize, 308 FomulaSimplifications, 14924 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 52 FomulaSimplificationsInter, 9894 FormulaSimplificationTreeSizeReductionInter, 10.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 52706 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...