/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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:39:46,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:39:46,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:39:46,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:39:46,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:39:46,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:39:46,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:39:46,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:39:46,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:39:46,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:39:46,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:39:46,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:39:46,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:39:46,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:39:46,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:39:46,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:39:46,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:39:46,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:39:46,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:39:46,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:39:46,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:39:46,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:39:46,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:39:46,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:39:46,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:39:46,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:39:46,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:39:46,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:39:46,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:39:46,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:39:46,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:39:46,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:39:46,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:39:46,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:39:46,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:39:46,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:39:46,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:39:46,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:39:46,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:39:46,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:39:46,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:39:46,480 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 03:39:46,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:39:46,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:39:46,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:39:46,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:39:46,507 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:39:46,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:39:46,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:39:46,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:39:46,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:39:46,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:39:46,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:39:46,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:39:46,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:39:46,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:39:46,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:39:46,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:39:46,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:39:46,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:39:46,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:39:46,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:39:46,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:39:46,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:39:46,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:39:46,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:39:46,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:39:46,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:39:46,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:39:46,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:39:46,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:39:46,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:39:46,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:39:46,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:39:46,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:39:46,904 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:39:46,905 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:39:46,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-10-27 03:39:46,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbc0f3592/0c515c546b3a4c53b23deaa04fde341a/FLAG2f498ed63 [2020-10-27 03:39:47,651 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:39:47,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-10-27 03:39:47,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbc0f3592/0c515c546b3a4c53b23deaa04fde341a/FLAG2f498ed63 [2020-10-27 03:39:47,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbc0f3592/0c515c546b3a4c53b23deaa04fde341a [2020-10-27 03:39:47,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:39:47,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:39:47,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:39:47,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:39:47,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:39:47,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:39:47" (1/1) ... [2020-10-27 03:39:47,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c17ab4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:47, skipping insertion in model container [2020-10-27 03:39:47,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:39:47" (1/1) ... [2020-10-27 03:39:47,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:39:47,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:39:48,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:39:48,506 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:39:48,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:39:48,688 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:39:48,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48 WrapperNode [2020-10-27 03:39:48,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:39:48,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:39:48,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:39:48,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:39:48,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48" (1/1) ... [2020-10-27 03:39:48,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48" (1/1) ... [2020-10-27 03:39:48,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48" (1/1) ... [2020-10-27 03:39:48,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48" (1/1) ... [2020-10-27 03:39:48,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48" (1/1) ... [2020-10-27 03:39:48,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48" (1/1) ... [2020-10-27 03:39:48,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48" (1/1) ... [2020-10-27 03:39:48,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:39:48,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:39:48,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:39:48,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:39:48,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48" (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 03:39:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:39:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:39:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:39:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:39:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:39:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:39:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:39:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:39:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:39:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:39:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:39:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:39:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:39:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:39:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:39:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:39:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:39:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:39:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:39:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-27 03:39:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:39:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:39:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:39:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:39:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:39:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 03:39:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:39:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:39:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:39:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:39:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:39:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:39:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:39:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:39:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:39:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:39:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:39:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:39:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:39:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:39:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:39:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:39:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:39:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:39:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:39:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:39:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:39:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:39:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:39:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:39:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:39:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:39:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:39:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:39:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:39:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:39:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:39:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:39:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:39:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:39:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:39:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:39:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:39:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:39:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:39:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:39:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:39:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:39:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:39:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:39:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:39:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:39:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:39:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:39:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:39:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:39:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:39:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:39:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:39:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:39:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 03:39:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:39:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-27 03:39:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:39:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:39:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:39:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:39:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:39:50,066 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:39:50,067 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:39:50,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:39:50 BoogieIcfgContainer [2020-10-27 03:39:50,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:39:50,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:39:50,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:39:50,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:39:50,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:39:47" (1/3) ... [2020-10-27 03:39:50,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ab4fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:39:50, skipping insertion in model container [2020-10-27 03:39:50,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:39:48" (2/3) ... [2020-10-27 03:39:50,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ab4fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:39:50, skipping insertion in model container [2020-10-27 03:39:50,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:39:50" (3/3) ... [2020-10-27 03:39:50,077 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2020-10-27 03:39:50,090 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:39:50,096 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:39:50,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:39:50,137 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:39:50,137 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:39:50,137 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:39:50,137 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:39:50,138 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:39:50,138 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:39:50,138 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:39:50,138 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:39:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-10-27 03:39:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:39:50,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:39:50,169 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 03:39:50,170 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 03:39:50,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:39:50,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1718459105, now seen corresponding path program 1 times [2020-10-27 03:39:50,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:39:50,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939477570] [2020-10-27 03:39:50,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:39:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:39:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:50,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:51,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:52,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:52,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:55,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:39:55,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:39:55,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:39:55,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 03:39:55,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:39:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:39:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:39:55,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 03:39:55,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 03:39:56,208 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:39:56,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:39:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:39:56,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:56,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:39:56,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:39:56,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:39:56,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 03:39:56,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:39:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:39:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:39:56,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:39:56,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:39:56,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:39:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:39:56,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:56,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:39:56,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:39:56,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:39:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:39:56,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:39:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:39:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:39:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:39:56,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:39:56,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:39:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:39:56,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:56,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:39:56,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:39:56,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:39:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:39:56,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:39:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:39:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:39:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:39:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:39:56,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:39:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:39:56,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:56,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:39:56,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:39:56,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:39:56,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:39:56,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:39:56,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:39:56,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:39:56,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:39:56,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:39:56,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:39:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:39:56,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:56,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:39:56,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:39:56,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:39:56,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:39:56,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:39:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:39:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:39:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:39:56,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:39:56,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:39:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:39:56,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:56,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:39:56,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:39:56,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:39:56,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:39:56,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:39:56,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:39:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:39:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:39:56,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:39:56,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:39:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:39:56,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:39:56,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:39:56,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:39:56,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:39:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:39:56,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:39:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:39:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:39:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:39:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:39:56,464 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 03:39:56,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939477570] [2020-10-27 03:39:56,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:39:56,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:39:56,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844338683] [2020-10-27 03:39:56,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:39:56,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:39:56,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:39:56,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:39:56,489 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 7 states. [2020-10-27 03:39:57,281 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:39:58,729 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:39:59,522 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:40:00,234 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:40:00,888 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:40:02,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:40:02,559 INFO L93 Difference]: Finished difference Result 272 states and 375 transitions. [2020-10-27 03:40:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:40:02,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 03:40:02,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:40:02,576 INFO L225 Difference]: With dead ends: 272 [2020-10-27 03:40:02,576 INFO L226 Difference]: Without dead ends: 163 [2020-10-27 03:40:02,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:40:02,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-27 03:40:02,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 143. [2020-10-27 03:40:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-27 03:40:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 176 transitions. [2020-10-27 03:40:02,692 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 176 transitions. Word has length 47 [2020-10-27 03:40:02,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:40:02,692 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 176 transitions. [2020-10-27 03:40:02,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:40:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2020-10-27 03:40:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 03:40:02,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:40:02,697 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 03:40:02,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:40:02,697 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 03:40:02,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:40:02,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1411257530, now seen corresponding path program 1 times [2020-10-27 03:40:02,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:40:02,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037145829] [2020-10-27 03:40:02,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:40:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:02,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:02,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:02,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:03,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:04,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:04,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:40:04,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:40:04,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1854 [2020-10-27 03:40:04,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:04,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:40:04,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 03:40:04,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:05,200 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:40:05,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:40:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:05,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:05,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:05,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:05,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:05,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 03:40:05,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:40:05,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:05,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:40:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:05,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:05,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:05,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:05,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:05,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:05,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:05,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:05,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:40:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:05,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:05,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:05,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:05,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:05,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:05,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:05,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:05,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:40:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:05,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:05,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:05,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:05,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:40:05,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:05,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:40:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:05,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:05,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:05,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:05,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:05,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:05,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:05,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:05,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:40:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:05,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:05,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:05,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:05,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:40:05,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:05,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:05,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:40:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:05,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:05,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:05,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:05,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:05,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 03:40:05,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:05,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:40:05,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:05,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:40:05,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:05,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 03:40:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:05,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:05,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:05,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:05,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:05,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:05,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:40:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:05,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:40:05,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:05,417 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 03:40:05,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037145829] [2020-10-27 03:40:05,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:40:05,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 03:40:05,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697908255] [2020-10-27 03:40:05,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 03:40:05,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:40:05,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 03:40:05,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:40:05,421 INFO L87 Difference]: Start difference. First operand 143 states and 176 transitions. Second operand 5 states. [2020-10-27 03:40:06,180 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:40:07,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:40:07,593 INFO L93 Difference]: Finished difference Result 282 states and 376 transitions. [2020-10-27 03:40:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 03:40:07,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-27 03:40:07,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:40:07,599 INFO L225 Difference]: With dead ends: 282 [2020-10-27 03:40:07,599 INFO L226 Difference]: Without dead ends: 163 [2020-10-27 03:40:07,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:40:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-27 03:40:07,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 143. [2020-10-27 03:40:07,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-27 03:40:07,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 173 transitions. [2020-10-27 03:40:07,654 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 173 transitions. Word has length 52 [2020-10-27 03:40:07,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:40:07,655 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 173 transitions. [2020-10-27 03:40:07,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 03:40:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 173 transitions. [2020-10-27 03:40:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-27 03:40:07,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:40:07,658 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] [2020-10-27 03:40:07,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:40:07,658 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 03:40:07,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:40:07,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1569640485, now seen corresponding path program 1 times [2020-10-27 03:40:07,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:40:07,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984315769] [2020-10-27 03:40:07,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:40:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:07,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:07,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:07,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 03:40:08,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:40:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-27 03:40:08,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 03:40:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,783 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:40:08,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:40:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:08,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:08,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 03:40:08,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:08,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:40:08,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:40:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:08,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:08,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:08,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:40:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:08,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:08,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:08,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:08,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:08,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:08,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:40:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:08,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:08,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:40:08,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:08,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:08,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:08,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:40:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:08,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:08,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:08,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:40:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:08,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:08,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:08,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:40:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:40:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:40:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:08,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:40:08,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:40:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 03:40:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:40:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:40:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:08,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:08,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:40:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:40:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 03:40:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:08,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:08,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:08,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:08,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:08,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:08,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:08,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:40:08,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:08,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:40:08,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:08,979 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 03:40:08,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984315769] [2020-10-27 03:40:08,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:40:08,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 03:40:08,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102148636] [2020-10-27 03:40:08,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 03:40:08,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:40:08,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 03:40:08,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:40:08,982 INFO L87 Difference]: Start difference. First operand 143 states and 173 transitions. Second operand 5 states. [2020-10-27 03:40:09,687 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:40:10,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:40:10,758 INFO L93 Difference]: Finished difference Result 217 states and 274 transitions. [2020-10-27 03:40:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 03:40:10,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-10-27 03:40:10,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:40:10,763 INFO L225 Difference]: With dead ends: 217 [2020-10-27 03:40:10,764 INFO L226 Difference]: Without dead ends: 134 [2020-10-27 03:40:10,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:40:10,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-27 03:40:10,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 121. [2020-10-27 03:40:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-27 03:40:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 137 transitions. [2020-10-27 03:40:10,841 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 137 transitions. Word has length 55 [2020-10-27 03:40:10,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:40:10,841 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 137 transitions. [2020-10-27 03:40:10,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 03:40:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 137 transitions. [2020-10-27 03:40:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 03:40:10,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:40:10,851 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] [2020-10-27 03:40:10,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:40:10,852 INFO L429 AbstractCegarLoop]: === Iteration 4 === [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 03:40:10,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:40:10,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1627605056, now seen corresponding path program 1 times [2020-10-27 03:40:10,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:40:10,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318574596] [2020-10-27 03:40:10,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:40:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:10,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:11,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:12,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:15,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:15,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 03:40:15,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:40:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4527 [2020-10-27 03:40:15,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:40:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:40:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 03:40:15,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,067 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:40:16,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:40:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:16,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:16,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:16,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:16,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:16,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 03:40:16,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:40:16,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:40:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:16,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:16,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:16,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:16,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:16,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:16,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:40:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:16,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:16,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:16,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:16,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:16,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:16,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:16,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:16,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:40:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:16,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:16,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:16,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:16,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:16,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:16,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:40:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:16,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:16,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:16,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:16,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:16,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:40:16,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:16,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:16,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:40:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:16,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:16,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:16,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:16,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:40:16,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:40:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:16,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:16,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:16,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:40:16,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:16,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:40:16,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:16,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:40:16,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 03:40:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:16,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:16,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:16,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:16,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:16,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:40:16,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:40:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 03:40:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:40:16,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:40:16,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:40:16,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:40:16,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:40:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:40:16,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:40:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:40:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:40:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:40:16,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:40:16,290 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 03:40:16,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318574596] [2020-10-27 03:40:16,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:40:16,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 03:40:16,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137274453] [2020-10-27 03:40:16,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:40:16,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:40:16,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:40:16,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:40:16,295 INFO L87 Difference]: Start difference. First operand 121 states and 137 transitions. Second operand 8 states. [2020-10-27 03:40:17,067 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:40:18,641 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:40:19,341 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:40:19,982 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:40:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:40:20,422 INFO L93 Difference]: Finished difference Result 136 states and 160 transitions. [2020-10-27 03:40:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:40:20,422 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-27 03:40:20,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:40:20,423 INFO L225 Difference]: With dead ends: 136 [2020-10-27 03:40:20,423 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 03:40:20,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:40:20,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 03:40:20,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 03:40:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 03:40:20,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 03:40:20,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-10-27 03:40:20,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:40:20,426 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 03:40:20,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:40:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 03:40:20,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 03:40:20,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:40:20,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 03:40:22,595 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-27 03:40:23,404 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-10-27 03:40:24,268 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-10-27 03:40:24,846 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-27 03:40:25,339 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:40:25,857 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-27 03:40:26,885 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-27 03:40:27,424 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-27 03:40:28,411 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-27 03:40:28,949 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-27 03:40:29,944 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2020-10-27 03:40:30,522 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:40:31,528 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-27 03:40:32,028 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:40:32,550 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-27 03:40:33,613 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2020-10-27 03:40:34,148 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-27 03:40:34,647 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:40:35,709 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-27 03:40:36,730 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-27 03:40:37,725 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-27 03:40:38,262 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:40:38,856 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-27 03:40:38,860 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 03:40:38,860 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 03:40:38,860 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 03:40:38,860 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 03:40:38,860 INFO L274 CegarLoopResult]: For program point L154(lines 154 158) no Hoare annotation was computed. [2020-10-27 03:40:38,860 INFO L274 CegarLoopResult]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2020-10-27 03:40:38,861 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 03:40:38,861 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 123 178) no Hoare annotation was computed. [2020-10-27 03:40:38,861 INFO L274 CegarLoopResult]: For program point L148-2(lines 148 169) no Hoare annotation was computed. [2020-10-27 03:40:38,861 INFO L274 CegarLoopResult]: For program point L170(lines 147 171) no Hoare annotation was computed. [2020-10-27 03:40:38,861 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 123 178) no Hoare annotation was computed. [2020-10-27 03:40:38,862 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 123 178) no Hoare annotation was computed. [2020-10-27 03:40:38,862 INFO L274 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-10-27 03:40:38,862 INFO L274 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-10-27 03:40:38,862 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 179 238) no Hoare annotation was computed. [2020-10-27 03:40:38,862 INFO L274 CegarLoopResult]: For program point L211(lines 211 215) no Hoare annotation was computed. [2020-10-27 03:40:38,862 INFO L274 CegarLoopResult]: For program point L211-1(lines 211 215) no Hoare annotation was computed. [2020-10-27 03:40:38,863 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 179 238) no Hoare annotation was computed. [2020-10-27 03:40:38,863 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 03:40:38,863 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 230) no Hoare annotation was computed. [2020-10-27 03:40:38,863 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 179 238) no Hoare annotation was computed. [2020-10-27 03:40:38,863 INFO L274 CegarLoopResult]: For program point L231(lines 204 232) no Hoare annotation was computed. [2020-10-27 03:40:38,863 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 854 860) the Hoare annotation is: true [2020-10-27 03:40:38,863 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 854 860) no Hoare annotation was computed. [2020-10-27 03:40:38,863 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 861 869) no Hoare annotation was computed. [2020-10-27 03:40:38,863 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 861 869) the Hoare annotation is: true [2020-10-27 03:40:38,864 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 861 869) no Hoare annotation was computed. [2020-10-27 03:40:38,864 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 45 69) the Hoare annotation is: true [2020-10-27 03:40:38,864 INFO L270 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,864 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-10-27 03:40:38,864 INFO L270 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,864 INFO L274 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-10-27 03:40:38,864 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-10-27 03:40:38,864 INFO L274 CegarLoopResult]: For program point L53-1(lines 45 69) no Hoare annotation was computed. [2020-10-27 03:40:38,865 INFO L277 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: true [2020-10-27 03:40:38,865 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 45 69) no Hoare annotation was computed. [2020-10-27 03:40:38,865 INFO L274 CegarLoopResult]: For program point L51-1(line 51) no Hoare annotation was computed. [2020-10-27 03:40:38,865 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 526 548) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-10-27 03:40:38,865 INFO L270 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-10-27 03:40:38,865 INFO L270 CegarLoopResult]: At program point L538-1(line 538) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-10-27 03:40:38,866 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 526 548) no Hoare annotation was computed. [2020-10-27 03:40:38,866 INFO L274 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-10-27 03:40:38,866 INFO L274 CegarLoopResult]: For program point L536-1(lines 536 543) no Hoare annotation was computed. [2020-10-27 03:40:38,866 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 03:40:38,866 INFO L270 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-10-27 03:40:38,866 INFO L270 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-10-27 03:40:38,866 INFO L270 CegarLoopResult]: At program point L532-1(line 532) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-10-27 03:40:38,867 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 526 548) no Hoare annotation was computed. [2020-10-27 03:40:38,867 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 481 504) no Hoare annotation was computed. [2020-10-27 03:40:38,867 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 481 504) no Hoare annotation was computed. [2020-10-27 03:40:38,867 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 481 504) no Hoare annotation was computed. [2020-10-27 03:40:38,867 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 03:40:38,867 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 03:40:38,867 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-27 03:40:38,867 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 03:40:38,867 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 03:40:38,868 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 590 597) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 590 597) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 590 597) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 635 643) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 635 643) the Hoare annotation is: true [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 635 643) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point L674-1(line 674) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point L663(lines 663 671) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 644 679) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point L651(lines 651 659) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point L651-2(lines 651 659) no Hoare annotation was computed. [2020-10-27 03:40:38,869 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 644 679) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 644 679) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point L674(line 674) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 847 853) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 847 853) the Hoare annotation is: true [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 77 122) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 77 122) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 77 122) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point L414(lines 414 415) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point L410(lines 410 417) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 390 435) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point L404(lines 404 424) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point L404-1(lines 404 424) no Hoare annotation was computed. [2020-10-27 03:40:38,870 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 414 415) no Hoare annotation was computed. [2020-10-27 03:40:38,871 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 421 422) no Hoare annotation was computed. [2020-10-27 03:40:38,871 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 390 435) no Hoare annotation was computed. [2020-10-27 03:40:38,871 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 390 435) no Hoare annotation was computed. [2020-10-27 03:40:38,871 INFO L274 CegarLoopResult]: For program point L421(lines 421 422) no Hoare annotation was computed. [2020-10-27 03:40:38,871 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 513 522) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-10-27 03:40:38,871 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2020-10-27 03:40:38,871 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2020-10-27 03:40:38,871 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 624 634) no Hoare annotation was computed. [2020-10-27 03:40:38,871 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 624 634) no Hoare annotation was computed. [2020-10-27 03:40:38,871 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 624 634) no Hoare annotation was computed. [2020-10-27 03:40:38,872 INFO L274 CegarLoopResult]: For program point L629(line 629) no Hoare annotation was computed. [2020-10-27 03:40:38,872 INFO L274 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-10-27 03:40:38,872 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 616 623) no Hoare annotation was computed. [2020-10-27 03:40:38,872 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 616 623) no Hoare annotation was computed. [2020-10-27 03:40:38,872 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 616 623) no Hoare annotation was computed. [2020-10-27 03:40:38,872 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 583 589) no Hoare annotation was computed. [2020-10-27 03:40:38,872 INFO L277 CegarLoopResult]: At program point processEnvironmentFINAL(lines 583 589) the Hoare annotation is: true [2020-10-27 03:40:38,872 INFO L274 CegarLoopResult]: For program point L737(lines 737 741) no Hoare annotation was computed. [2020-10-27 03:40:38,872 INFO L270 CegarLoopResult]: At program point testENTRY(lines 689 754) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-10-27 03:40:38,873 INFO L270 CegarLoopResult]: At program point L737-2(lines 729 742) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-27 03:40:38,873 INFO L274 CegarLoopResult]: For program point L700(lines 699 746) no Hoare annotation was computed. [2020-10-27 03:40:38,873 INFO L270 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-27 03:40:38,873 INFO L274 CegarLoopResult]: For program point L729(lines 729 742) no Hoare annotation was computed. [2020-10-27 03:40:38,873 INFO L274 CegarLoopResult]: For program point testFINAL(lines 689 754) no Hoare annotation was computed. [2020-10-27 03:40:38,873 INFO L270 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-27 03:40:38,873 INFO L274 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-10-27 03:40:38,873 INFO L274 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-10-27 03:40:38,874 INFO L270 CegarLoopResult]: At program point L744(lines 699 746) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-27 03:40:38,874 INFO L270 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-27 03:40:38,874 INFO L274 CegarLoopResult]: For program point L709(lines 709 715) no Hoare annotation was computed. [2020-10-27 03:40:38,874 INFO L274 CegarLoopResult]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2020-10-27 03:40:38,874 INFO L274 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-10-27 03:40:38,874 INFO L270 CegarLoopResult]: At program point L747(lines 698 748) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-27 03:40:38,874 INFO L274 CegarLoopResult]: For program point testEXIT(lines 689 754) no Hoare annotation was computed. [2020-10-27 03:40:38,874 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 368 369) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 375 376) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 344 389) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point L375(lines 375 376) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 344 389) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 344 389) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point L368(lines 368 369) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point L364(lines 364 371) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point L358(lines 358 378) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point L358-1(lines 358 378) no Hoare annotation was computed. [2020-10-27 03:40:38,875 INFO L274 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 803 825) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 803 825) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 803 825) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point L287(lines 287 328) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 241 343) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point L306-1(line 306) no Hoare annotation was computed. [2020-10-27 03:40:38,876 INFO L274 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-10-27 03:40:38,877 INFO L274 CegarLoopResult]: For program point L329(lines 329 340) no Hoare annotation was computed. [2020-10-27 03:40:38,877 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 241 343) no Hoare annotation was computed. [2020-10-27 03:40:38,877 INFO L274 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-10-27 03:40:38,877 INFO L274 CegarLoopResult]: For program point L290-2(lines 290 310) no Hoare annotation was computed. [2020-10-27 03:40:38,877 INFO L274 CegarLoopResult]: For program point L311(lines 289 312) no Hoare annotation was computed. [2020-10-27 03:40:38,877 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 241 343) no Hoare annotation was computed. [2020-10-27 03:40:38,877 INFO L274 CegarLoopResult]: For program point L270(lines 270 286) no Hoare annotation was computed. [2020-10-27 03:40:38,877 INFO L274 CegarLoopResult]: For program point L330(lines 330 337) no Hoare annotation was computed. [2020-10-27 03:40:38,877 INFO L274 CegarLoopResult]: For program point L291(lines 290 310) no Hoare annotation was computed. [2020-10-27 03:40:38,878 INFO L274 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-10-27 03:40:38,878 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 837 846) no Hoare annotation was computed. [2020-10-27 03:40:38,878 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 837 846) no Hoare annotation was computed. [2020-10-27 03:40:38,878 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 837 846) no Hoare annotation was computed. [2020-10-27 03:40:38,878 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:40:38,878 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 03:40:38,879 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:40:38,879 INFO L274 CegarLoopResult]: For program point L610-1(lines 599 615) no Hoare annotation was computed. [2020-10-27 03:40:38,879 INFO L274 CegarLoopResult]: For program point L606(lines 606 612) no Hoare annotation was computed. [2020-10-27 03:40:38,879 INFO L274 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-10-27 03:40:38,879 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 599 615) no Hoare annotation was computed. [2020-10-27 03:40:38,879 INFO L274 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-10-27 03:40:38,879 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 599 615) no Hoare annotation was computed. [2020-10-27 03:40:38,879 INFO L274 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-10-27 03:40:38,879 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2020-10-27 03:40:38,879 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2020-10-27 03:40:38,880 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2020-10-27 03:40:38,880 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:40:38,880 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 03:40:38,880 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:40:38,880 INFO L274 CegarLoopResult]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2020-10-27 03:40:38,880 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 782 793) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-27 03:40:38,880 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2020-10-27 03:40:38,880 INFO L270 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,881 INFO L270 CegarLoopResult]: At program point L570(lines 570 576) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,881 INFO L270 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,881 INFO L274 CegarLoopResult]: For program point L563(lines 562 581) no Hoare annotation was computed. [2020-10-27 03:40:38,881 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 559 582) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,881 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 559 582) no Hoare annotation was computed. [2020-10-27 03:40:38,882 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 559 582) no Hoare annotation was computed. [2020-10-27 03:40:38,882 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 448 477) no Hoare annotation was computed. [2020-10-27 03:40:38,882 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 448 477) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,882 INFO L277 CegarLoopResult]: At program point L473(lines 448 477) the Hoare annotation is: true [2020-10-27 03:40:38,882 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-27 03:40:38,882 INFO L274 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-10-27 03:40:38,882 INFO L270 CegarLoopResult]: At program point L462-1(lines 462 466) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,882 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 03:40:38,883 INFO L270 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,883 INFO L270 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,883 INFO L274 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-10-27 03:40:38,883 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 794 802) no Hoare annotation was computed. [2020-10-27 03:40:38,883 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2020-10-27 03:40:38,883 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2020-10-27 03:40:38,883 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 758 769) the Hoare annotation is: true [2020-10-27 03:40:38,883 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2020-10-27 03:40:38,883 INFO L274 CegarLoopResult]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2020-10-27 03:40:38,884 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 505 511) no Hoare annotation was computed. [2020-10-27 03:40:38,884 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 505 511) the Hoare annotation is: true [2020-10-27 03:40:38,884 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:40:38,884 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 03:40:38,884 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 03:40:38,884 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:40:38,884 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 680 687) no Hoare annotation was computed. [2020-10-27 03:40:38,884 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 680 687) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-27 03:40:38,884 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 680 687) no Hoare annotation was computed. [2020-10-27 03:40:38,884 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2020-10-27 03:40:38,885 INFO L274 CegarLoopResult]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2020-10-27 03:40:38,885 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 770 781) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:40:38,885 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 437 444) no Hoare annotation was computed. [2020-10-27 03:40:38,885 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 03:40:38,885 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 437 444) the Hoare annotation is: true [2020-10-27 03:40:38,885 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 437 444) no Hoare annotation was computed. [2020-10-27 03:40:38,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:40:38 BoogieIcfgContainer [2020-10-27 03:40:38,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:40:38,918 INFO L168 Benchmark]: Toolchain (without parser) took 51017.08 ms. Allocated memory was 155.2 MB in the beginning and 486.5 MB in the end (delta: 331.4 MB). Free memory was 109.4 MB in the beginning and 272.9 MB in the end (delta: -163.6 MB). Peak memory consumption was 270.4 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:38,919 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 155.2 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:40:38,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.34 ms. Allocated memory is still 155.2 MB. Free memory was 108.7 MB in the beginning and 128.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:38,920 INFO L168 Benchmark]: Boogie Preprocessor took 125.61 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 124.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:38,924 INFO L168 Benchmark]: RCFGBuilder took 1251.66 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 124.6 MB in the beginning and 115.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:38,925 INFO L168 Benchmark]: TraceAbstraction took 48845.42 ms. Allocated memory was 186.6 MB in the beginning and 486.5 MB in the end (delta: 299.9 MB). Free memory was 115.3 MB in the beginning and 272.9 MB in the end (delta: -157.7 MB). Peak memory consumption was 244.6 MB. Max. memory is 8.0 GB. [2020-10-27 03:40:38,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 155.2 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 783.34 ms. Allocated memory is still 155.2 MB. Free memory was 108.7 MB in the beginning and 128.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 125.61 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 124.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1251.66 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 124.6 MB in the beginning and 115.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 48845.42 ms. Allocated memory was 186.6 MB in the beginning and 486.5 MB in the end (delta: 299.9 MB). Free memory was 115.3 MB in the beginning and 272.9 MB in the end (delta: -157.7 MB). Peak memory consumption was 244.6 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: 375]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 368]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 414]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 421]: 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: 699]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0)) || 1 == systemActive - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (\old(waterLevel) == waterLevel || !(pumpRunning == 0)) || !(1 == systemActive) - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0)) || 1 == systemActive - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 306 SDtfs, 531 SDslu, 291 SDs, 0 SdLazy, 998 SolverSat, 313 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred 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, 4 MinimizatonAttempts, 53 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 216 PreInvPairs, 266 NumberOfFragments, 657 HoareAnnotationTreeSize, 216 FomulaSimplifications, 17702 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 43 FomulaSimplificationsInter, 9050 FormulaSimplificationTreeSizeReductionInter, 16.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 65430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...