/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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:41:05,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:41:05,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:41:05,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:41:05,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:41:05,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:41:05,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:41:05,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:41:05,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:41:05,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:41:05,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:41:05,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:41:05,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:41:05,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:41:05,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:41:05,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:41:05,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:41:05,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:41:05,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:41:05,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:41:05,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:41:05,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:41:05,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:41:05,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:41:05,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:41:05,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:41:05,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:41:05,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:41:05,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:41:05,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:41:05,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:41:05,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:41:05,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:41:05,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:41:05,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:41:05,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:41:05,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:41:05,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:41:05,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:41:05,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:41:05,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:41:05,608 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 03:41:05,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:41:05,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:41:05,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:41:05,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:41:05,635 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:41:05,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:41:05,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:41:05,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:41:05,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:41:05,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:41:05,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:41:05,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:41:05,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:41:05,637 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:41:05,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:41:05,638 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:41:05,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:41:05,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:41:05,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:41:05,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:41:05,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:41:05,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:41:05,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:41:05,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:41:05,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:41:05,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:41:05,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:41:05,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:41:05,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:41:05,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:41:05,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:41:06,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:41:06,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:41:06,030 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:41:06,031 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:41:06,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-10-27 03:41:06,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b07b3d0b/01b1b13148e545d9904f826f2c624df5/FLAG91893dfb3 [2020-10-27 03:41:06,887 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:41:06,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-10-27 03:41:06,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b07b3d0b/01b1b13148e545d9904f826f2c624df5/FLAG91893dfb3 [2020-10-27 03:41:07,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b07b3d0b/01b1b13148e545d9904f826f2c624df5 [2020-10-27 03:41:07,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:41:07,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:41:07,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:07,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:41:07,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:41:07,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:07" (1/1) ... [2020-10-27 03:41:07,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b9a78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07, skipping insertion in model container [2020-10-27 03:41:07,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:07" (1/1) ... [2020-10-27 03:41:07,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:41:07,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:41:07,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:07,601 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:41:07,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:07,762 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:41:07,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07 WrapperNode [2020-10-27 03:41:07,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:07,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:41:07,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:41:07,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:41:07,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07" (1/1) ... [2020-10-27 03:41:07,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07" (1/1) ... [2020-10-27 03:41:07,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07" (1/1) ... [2020-10-27 03:41:07,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07" (1/1) ... [2020-10-27 03:41:07,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07" (1/1) ... [2020-10-27 03:41:07,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07" (1/1) ... [2020-10-27 03:41:07,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07" (1/1) ... [2020-10-27 03:41:07,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:41:07,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:41:07,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:41:07,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:41:07,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07" (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 03:41:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:41:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:41:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:41:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:41:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:41:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:41:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:41:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:41:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:41:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:41:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:41:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:41:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:41:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:41:07,984 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:41:07,984 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:41:07,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:41:07,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:41:07,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:41:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-27 03:41:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:41:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:41:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:41:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:41:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:41:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 03:41:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:41:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-27 03:41:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:41:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:41:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:41:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:41:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:41:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-27 03:41:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 03:41:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 03:41:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:41:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:41:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:41:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:41:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:41:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:41:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:41:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:41:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:41:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:41:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:41:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:41:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:41:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:41:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:41:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:41:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:41:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:41:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:41:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:41:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:41:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:41:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:41:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:41:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:41:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:41:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:41:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-27 03:41:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:41:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:41:07,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:07,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:41:07,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:41:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:41:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:41:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:41:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:41:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:41:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:41:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:41:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:41:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:41:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 03:41:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 03:41:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:41:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:41:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-27 03:41:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 03:41:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:41:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-27 03:41:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:41:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:41:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:41:09,457 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:41:09,457 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:41:09,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:09 BoogieIcfgContainer [2020-10-27 03:41:09,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:41:09,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:41:09,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:41:09,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:41:09,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:41:07" (1/3) ... [2020-10-27 03:41:09,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cd4b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:09, skipping insertion in model container [2020-10-27 03:41:09,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:07" (2/3) ... [2020-10-27 03:41:09,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cd4b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:09, skipping insertion in model container [2020-10-27 03:41:09,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:09" (3/3) ... [2020-10-27 03:41:09,475 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-10-27 03:41:09,487 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:41:09,493 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:41:09,506 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:41:09,534 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:41:09,534 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:41:09,534 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:41:09,535 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:41:09,535 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:41:09,535 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:41:09,535 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:41:09,535 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:41:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-10-27 03:41:09,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:41:09,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:09,591 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 03:41:09,592 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 03:41:09,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:09,599 INFO L82 PathProgramCache]: Analyzing trace with hash 938595372, now seen corresponding path program 1 times [2020-10-27 03:41:09,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:09,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058236345] [2020-10-27 03:41:09,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:10,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:10,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:10,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:12,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:12,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:14,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:14,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:41:14,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:41:14,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 03:41:14,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:14,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:41:14,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:14,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 03:41:14,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:41:15,381 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:41:15,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:41:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:15,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:15,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:15,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:15,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 03:41:15,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:41:15,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:41:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:15,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:15,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:15,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:15,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:41:15,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:15,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:15,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:15,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:15,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:41:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:15,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:15,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:15,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:15,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:15,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:15,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:15,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:15,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:15,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:15,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:15,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:41:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:15,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:15,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:15,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:15,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:15,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:41:15,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:15,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:41:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:15,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:15,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:15,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:15,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:15,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:41:15,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:15,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:15,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:15,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:41:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:15,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:15,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:15,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:15,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:15,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:41:15,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:15,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:41:15,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:15,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:15,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:41:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:15,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:15,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:15,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:15,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:15,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:15,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:15,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:15,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:15,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:41:15,687 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 03:41:15,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058236345] [2020-10-27 03:41:15,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:41:15,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:41:15,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115993424] [2020-10-27 03:41:15,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:41:15,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:41:15,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:41:15,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:41:15,715 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 7 states. [2020-10-27 03:41:16,394 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:17,478 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:41:18,031 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:41:18,521 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:41:18,927 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:21,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:41:21,189 INFO L93 Difference]: Finished difference Result 435 states and 585 transitions. [2020-10-27 03:41:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:41:21,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 03:41:21,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:41:21,206 INFO L225 Difference]: With dead ends: 435 [2020-10-27 03:41:21,206 INFO L226 Difference]: Without dead ends: 277 [2020-10-27 03:41:21,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:41:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-27 03:41:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 241. [2020-10-27 03:41:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-27 03:41:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 296 transitions. [2020-10-27 03:41:21,390 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 296 transitions. Word has length 47 [2020-10-27 03:41:21,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:41:21,391 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 296 transitions. [2020-10-27 03:41:21,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:41:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 296 transitions. [2020-10-27 03:41:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 03:41:21,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:21,396 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 03:41:21,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:41:21,397 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 03:41:21,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:21,398 INFO L82 PathProgramCache]: Analyzing trace with hash -857078394, now seen corresponding path program 1 times [2020-10-27 03:41:21,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:21,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398796820] [2020-10-27 03:41:21,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:21,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:21,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:21,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:23,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:24,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:24,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:41:24,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:41:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2806 [2020-10-27 03:41:24,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:41:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 03:41:24,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:24,612 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:41:24,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:41:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:24,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:24,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:24,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:24,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:24,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 03:41:24,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:41:24,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:41:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:24,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:24,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:24,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:24,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:24,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:24,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:24,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:41:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:24,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:24,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:24,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:24,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:24,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:24,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:24,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:24,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:24,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:24,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:24,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:41:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:24,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:24,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:24,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:24,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:24,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:24,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:24,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:24,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:24,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:41:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:24,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:24,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:24,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:24,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:24,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:24,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:24,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:24,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:41:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:24,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:24,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:24,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:24,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:41:24,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:24,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:41:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:24,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:24,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:24,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:24,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:24,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:24,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:24,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:24,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 03:41:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:24,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:24,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:24,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:24,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:24,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:24,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:24,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:24,806 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 03:41:24,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398796820] [2020-10-27 03:41:24,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:41:24,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 03:41:24,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157591652] [2020-10-27 03:41:24,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 03:41:24,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:41:24,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 03:41:24,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:41:24,814 INFO L87 Difference]: Start difference. First operand 241 states and 296 transitions. Second operand 5 states. [2020-10-27 03:41:25,290 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:27,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:41:27,958 INFO L93 Difference]: Finished difference Result 746 states and 977 transitions. [2020-10-27 03:41:27,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:41:27,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-27 03:41:27,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:41:27,968 INFO L225 Difference]: With dead ends: 746 [2020-10-27 03:41:27,969 INFO L226 Difference]: Without dead ends: 529 [2020-10-27 03:41:27,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:41:27,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-10-27 03:41:28,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 432. [2020-10-27 03:41:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-27 03:41:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 538 transitions. [2020-10-27 03:41:28,113 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 538 transitions. Word has length 52 [2020-10-27 03:41:28,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:41:28,113 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 538 transitions. [2020-10-27 03:41:28,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 03:41:28,114 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 538 transitions. [2020-10-27 03:41:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 03:41:28,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:28,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:41:28,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:41:28,119 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 03:41:28,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:28,120 INFO L82 PathProgramCache]: Analyzing trace with hash 801444987, now seen corresponding path program 1 times [2020-10-27 03:41:28,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:28,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37651356] [2020-10-27 03:41:28,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:29,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:29,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 03:41:33,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:41:33,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 03:41:33,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 03:41:33,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:33,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 03:41:33,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,602 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:41:33,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:41:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:33,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:33,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:33,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 03:41:33,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:33,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:33,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:41:33,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:41:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:33,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:33,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:33,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:33,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:41:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:33,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:33,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:33,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:33,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:33,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:41:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:33,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:33,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:33,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:33,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:33,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:33,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:41:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:33,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:33,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:33,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:41:33,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:33,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:41:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:33,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:33,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:33,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:41:33,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:41:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:41:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:41:33,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:41:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:33,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:41:33,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:33,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:41:33,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 03:41:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:33,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:33,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:33,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:41:33,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:41:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:33,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 03:41:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:33,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:33,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:33,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:33,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:33,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:33,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:33,874 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 03:41:33,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37651356] [2020-10-27 03:41:33,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:41:33,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:41:33,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354161273] [2020-10-27 03:41:33,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:41:33,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:41:33,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:41:33,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:41:33,879 INFO L87 Difference]: Start difference. First operand 432 states and 538 transitions. Second operand 11 states. [2020-10-27 03:41:34,426 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:35,407 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:41:36,619 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-27 03:41:37,341 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:41:37,877 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:41:38,354 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:41:38,833 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:41:39,186 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:39,743 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 03:41:40,282 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 03:41:41,124 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-27 03:41:41,499 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:41:42,426 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-27 03:41:43,296 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-27 03:41:44,956 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 205 [2020-10-27 03:41:45,921 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-27 03:41:46,748 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-27 03:41:50,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:41:50,468 INFO L93 Difference]: Finished difference Result 1443 states and 2052 transitions. [2020-10-27 03:41:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 03:41:50,469 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 62 [2020-10-27 03:41:50,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:41:50,487 INFO L225 Difference]: With dead ends: 1443 [2020-10-27 03:41:50,487 INFO L226 Difference]: Without dead ends: 1218 [2020-10-27 03:41:50,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=335, Invalid=1147, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 03:41:50,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-27 03:41:50,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 931. [2020-10-27 03:41:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-10-27 03:41:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1168 transitions. [2020-10-27 03:41:50,818 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1168 transitions. Word has length 62 [2020-10-27 03:41:50,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:41:50,818 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1168 transitions. [2020-10-27 03:41:50,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:41:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1168 transitions. [2020-10-27 03:41:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 03:41:50,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:50,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:41:50,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:41:50,823 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 03:41:50,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:50,824 INFO L82 PathProgramCache]: Analyzing trace with hash -224488037, now seen corresponding path program 1 times [2020-10-27 03:41:50,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:50,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953408288] [2020-10-27 03:41:50,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:50,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:51,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:51,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:51,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 03:41:53,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:41:53,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2402 [2020-10-27 03:41:53,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:41:53,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:53,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 03:41:53,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,670 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:41:53,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:41:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:53,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:53,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:53,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 03:41:53,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:41:53,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:41:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:53,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:53,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:53,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:53,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:53,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:41:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:53,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:53,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:53,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:53,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:41:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:53,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:53,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:53,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:53,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:53,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:41:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:53,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:53,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:53,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:41:53,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:53,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 03:41:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:53,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:41:53,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:41:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:41:53,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:41:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:41:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:41:53,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:41:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:53,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:53,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:53,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:53,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 03:41:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:53,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:53,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:53,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:53,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:53,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 03:41:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:53,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:53,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:53,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:53,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:53,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:41:53,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:53,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:53,857 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 03:41:53,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953408288] [2020-10-27 03:41:53,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:41:53,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:41:53,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582674514] [2020-10-27 03:41:53,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:41:53,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:41:53,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:41:53,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:41:53,860 INFO L87 Difference]: Start difference. First operand 931 states and 1168 transitions. Second operand 7 states. [2020-10-27 03:41:54,305 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:55,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:41:55,533 INFO L93 Difference]: Finished difference Result 1359 states and 1799 transitions. [2020-10-27 03:41:55,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 03:41:55,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-10-27 03:41:55,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:41:55,540 INFO L225 Difference]: With dead ends: 1359 [2020-10-27 03:41:55,540 INFO L226 Difference]: Without dead ends: 413 [2020-10-27 03:41:55,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:41:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-27 03:41:55,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 351. [2020-10-27 03:41:55,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-27 03:41:55,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 395 transitions. [2020-10-27 03:41:55,628 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 395 transitions. Word has length 62 [2020-10-27 03:41:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:41:55,628 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 395 transitions. [2020-10-27 03:41:55,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:41:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 395 transitions. [2020-10-27 03:41:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 03:41:55,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:55,632 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:41:55,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:41:55,632 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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 03:41:55,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:55,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1266859391, now seen corresponding path program 1 times [2020-10-27 03:41:55,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:55,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693216585] [2020-10-27 03:41:55,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:55,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:56,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:56,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:57,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:57,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:00,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:00,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 03:42:00,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:42:00,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 03:42:00,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:42:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 03:42:00,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,101 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:01,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 03:42:01,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:01,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:01,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:01,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:01,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:01,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:01,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:01,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:01,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:01,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:01,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:01,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:01,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:01,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:01,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:01,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:01,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:01,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:42:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:01,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:01,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:01,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:01,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:01,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:42:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:42:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:42:01,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:01,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:42:01,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:01,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:01,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:42:01,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:01,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:42:01,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:01,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:42:01,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:01,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:01,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 03:42:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:01,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:01,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:01,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:01,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 03:42:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:01,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:01,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:01,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:01,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 03:42:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:01,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:01,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:01,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:01,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:01,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:01,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:01,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:01,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:01,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:01,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 03:42:01,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693216585] [2020-10-27 03:42:01,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:42:01,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:42:01,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962953222] [2020-10-27 03:42:01,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:42:01,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:01,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:42:01,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:42:01,526 INFO L87 Difference]: Start difference. First operand 351 states and 395 transitions. Second operand 12 states. [2020-10-27 03:42:02,056 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:03,626 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:04,001 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:04,368 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:42:04,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:04,657 INFO L93 Difference]: Finished difference Result 411 states and 492 transitions. [2020-10-27 03:42:04,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 03:42:04,658 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-27 03:42:04,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:04,659 INFO L225 Difference]: With dead ends: 411 [2020-10-27 03:42:04,659 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 03:42:04,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2020-10-27 03:42:04,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 03:42:04,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 03:42:04,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 03:42:04,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 03:42:04,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2020-10-27 03:42:04,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:04,663 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 03:42:04,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:42:04,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 03:42:04,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 03:42:04,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:42:04,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 03:42:10,348 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 7 [2020-10-27 03:42:10,622 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:42:10,892 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 03:42:11,457 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 7 [2020-10-27 03:42:11,720 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 03:42:12,022 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:42:12,312 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:42:12,870 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-10-27 03:42:13,353 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2020-10-27 03:42:13,673 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:13,977 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 7 [2020-10-27 03:42:14,511 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-10-27 03:42:14,785 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 03:42:15,041 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-27 03:42:15,568 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 8 [2020-10-27 03:42:16,035 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 8 [2020-10-27 03:42:16,304 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 03:42:16,599 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:42:17,131 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 7 [2020-10-27 03:42:17,446 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:42:17,976 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 7 [2020-10-27 03:42:18,552 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-10-27 03:42:18,828 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:42:19,389 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-10-27 03:42:19,684 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:42:20,222 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-10-27 03:42:20,521 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-27 03:42:21,074 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-10-27 03:42:21,598 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2020-10-27 03:42:22,143 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 11 [2020-10-27 03:42:22,148 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 03:42:22,148 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 03:42:22,148 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 03:42:22,148 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 03:42:22,149 INFO L274 CegarLoopResult]: For program point L411(lines 388 412) no Hoare annotation was computed. [2020-10-27 03:42:22,149 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 364 419) no Hoare annotation was computed. [2020-10-27 03:42:22,149 INFO L274 CegarLoopResult]: For program point L395(lines 395 399) no Hoare annotation was computed. [2020-10-27 03:42:22,149 INFO L274 CegarLoopResult]: For program point L395-1(lines 395 399) no Hoare annotation was computed. [2020-10-27 03:42:22,149 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 364 419) no Hoare annotation was computed. [2020-10-27 03:42:22,149 INFO L274 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-10-27 03:42:22,149 INFO L274 CegarLoopResult]: For program point L389-2(lines 389 410) no Hoare annotation was computed. [2020-10-27 03:42:22,149 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 364 419) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point L446-2(lines 446 471) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point L472(lines 445 473) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 420 479) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point L465-1(line 465) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 420 479) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 420 479) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-10-27 03:42:22,150 INFO L274 CegarLoopResult]: For program point L452-1(lines 452 456) no Hoare annotation was computed. [2020-10-27 03:42:22,151 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 92 98) the Hoare annotation is: true [2020-10-27 03:42:22,151 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 92 98) no Hoare annotation was computed. [2020-10-27 03:42:22,151 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 99 107) no Hoare annotation was computed. [2020-10-27 03:42:22,151 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 99 107) the Hoare annotation is: true [2020-10-27 03:42:22,151 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 99 107) no Hoare annotation was computed. [2020-10-27 03:42:22,151 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 45 69) the Hoare annotation is: true [2020-10-27 03:42:22,151 INFO L270 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-27 03:42:22,151 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-10-27 03:42:22,152 INFO L270 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~waterLevel~0 0)) [2020-10-27 03:42:22,152 INFO L274 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-10-27 03:42:22,152 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-10-27 03:42:22,152 INFO L274 CegarLoopResult]: For program point L53-1(lines 45 69) no Hoare annotation was computed. [2020-10-27 03:42:22,152 INFO L277 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: true [2020-10-27 03:42:22,152 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 45 69) no Hoare annotation was computed. [2020-10-27 03:42:22,152 INFO L274 CegarLoopResult]: For program point L51-1(line 51) no Hoare annotation was computed. [2020-10-27 03:42:22,152 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 195 217) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:42:22,153 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 195 217) no Hoare annotation was computed. [2020-10-27 03:42:22,153 INFO L270 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:42:22,153 INFO L270 CegarLoopResult]: At program point L207-1(line 207) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:42:22,153 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 03:42:22,153 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 195 217) no Hoare annotation was computed. [2020-10-27 03:42:22,153 INFO L274 CegarLoopResult]: For program point L205-1(lines 205 212) no Hoare annotation was computed. [2020-10-27 03:42:22,154 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 03:42:22,154 INFO L270 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:42:22,154 INFO L270 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:42:22,154 INFO L270 CegarLoopResult]: At program point L201-1(line 201) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:42:22,154 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 03:42:22,154 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-27 03:42:22,154 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 153 176) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 153 176) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 153 176) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 03:42:22,155 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-27 03:42:22,156 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 03:42:22,156 INFO L270 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,156 INFO L274 CegarLoopResult]: For program point L736-1(lines 717 741) no Hoare annotation was computed. [2020-10-27 03:42:22,156 INFO L270 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-27 03:42:22,156 INFO L270 CegarLoopResult]: At program point L727(line 727) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-27 03:42:22,156 INFO L274 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-10-27 03:42:22,156 INFO L270 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-27 03:42:22,156 INFO L274 CegarLoopResult]: For program point L723-1(line 723) no Hoare annotation was computed. [2020-10-27 03:42:22,156 INFO L274 CegarLoopResult]: For program point L721(lines 721 738) no Hoare annotation was computed. [2020-10-27 03:42:22,157 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 717 741) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,157 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 717 741) no Hoare annotation was computed. [2020-10-27 03:42:22,157 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 876 890) no Hoare annotation was computed. [2020-10-27 03:42:22,157 INFO L274 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-10-27 03:42:22,157 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 876 890) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-27 03:42:22,157 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 876 890) no Hoare annotation was computed. [2020-10-27 03:42:22,157 INFO L270 CegarLoopResult]: At program point L882(line 882) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-27 03:42:22,157 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 812 820) no Hoare annotation was computed. [2020-10-27 03:42:22,157 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 812 820) the Hoare annotation is: true [2020-10-27 03:42:22,157 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 812 820) no Hoare annotation was computed. [2020-10-27 03:42:22,157 INFO L277 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: true [2020-10-27 03:42:22,157 INFO L274 CegarLoopResult]: For program point L866-2(lines 866 870) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 857 875) the Hoare annotation is: true [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 857 875) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 857 875) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point L828-2(lines 828 836) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point L851-1(line 851) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 821 856) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point L840(lines 840 848) no Hoare annotation was computed. [2020-10-27 03:42:22,158 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 821 856) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point L840-2(lines 840 848) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 821 856) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 85 91) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 85 91) the Hoare annotation is: true [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 318 363) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 318 363) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 318 363) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 631 676) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point L662(lines 662 663) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point L655(lines 655 656) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 655 656) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 662 663) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point L651(lines 651 658) no Hoare annotation was computed. [2020-10-27 03:42:22,159 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 631 676) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 631 676) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point L645(lines 645 665) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point L645-1(lines 645 665) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 185 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 185 194) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 185 194) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 801 811) the Hoare annotation is: true [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 801 811) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 801 811) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L277 CegarLoopResult]: At program point L806(line 806) the Hoare annotation is: true [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 793 800) the Hoare annotation is: true [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 793 800) no Hoare annotation was computed. [2020-10-27 03:42:22,160 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 793 800) no Hoare annotation was computed. [2020-10-27 03:42:22,161 INFO L270 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,161 INFO L274 CegarLoopResult]: For program point L762-1(lines 743 767) no Hoare annotation was computed. [2020-10-27 03:42:22,161 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 743 767) no Hoare annotation was computed. [2020-10-27 03:42:22,161 INFO L270 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-27 03:42:22,161 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 743 767) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,161 INFO L270 CegarLoopResult]: At program point L753(line 753) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-27 03:42:22,161 INFO L274 CegarLoopResult]: For program point L751(lines 751 759) no Hoare annotation was computed. [2020-10-27 03:42:22,161 INFO L270 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-27 03:42:22,161 INFO L274 CegarLoopResult]: For program point L749-1(line 749) no Hoare annotation was computed. [2020-10-27 03:42:22,161 INFO L274 CegarLoopResult]: For program point L747(lines 747 764) no Hoare annotation was computed. [2020-10-27 03:42:22,161 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 709 715) no Hoare annotation was computed. [2020-10-27 03:42:22,161 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 709 715) the Hoare annotation is: true [2020-10-27 03:42:22,161 INFO L270 CegarLoopResult]: At program point L960(lines 909 961) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:42:22,162 INFO L270 CegarLoopResult]: At program point testENTRY(lines 900 967) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:42:22,162 INFO L274 CegarLoopResult]: For program point testFINAL(lines 900 967) no Hoare annotation was computed. [2020-10-27 03:42:22,162 INFO L270 CegarLoopResult]: At program point L950(line 950) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:42:22,162 INFO L274 CegarLoopResult]: For program point L948(lines 948 954) no Hoare annotation was computed. [2020-10-27 03:42:22,162 INFO L270 CegarLoopResult]: At program point L948-1(lines 940 955) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:42:22,162 INFO L274 CegarLoopResult]: For program point L911(lines 910 959) no Hoare annotation was computed. [2020-10-27 03:42:22,162 INFO L270 CegarLoopResult]: At program point L942(line 942) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:42:22,162 INFO L274 CegarLoopResult]: For program point L940(lines 940 955) no Hoare annotation was computed. [2020-10-27 03:42:22,162 INFO L270 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:42:22,162 INFO L274 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2020-10-27 03:42:22,162 INFO L274 CegarLoopResult]: For program point L930-1(lines 930 936) no Hoare annotation was computed. [2020-10-27 03:42:22,162 INFO L270 CegarLoopResult]: At program point L957(lines 910 959) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:42:22,162 INFO L270 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point L920-1(lines 920 926) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point testEXIT(lines 900 967) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point L609(lines 609 610) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 609 610) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point L605(lines 605 612) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 616 617) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 585 630) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point L599(lines 599 619) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point L599-1(lines 599 619) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 585 630) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 585 630) no Hoare annotation was computed. [2020-10-27 03:42:22,163 INFO L274 CegarLoopResult]: For program point L616(lines 616 617) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 768 775) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 768 775) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 768 775) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 302 310) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 302 310) the Hoare annotation is: true [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 302 310) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 270 292) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point L278(lines 278 286) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 270 292) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 270 292) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point L278-2(lines 278 286) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 75 84) no Hoare annotation was computed. [2020-10-27 03:42:22,164 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 75 84) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 75 84) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 482 584) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L506(lines 506 510) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L531-2(lines 531 551) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L552(lines 530 553) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 482 584) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L511(lines 511 527) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L571(lines 571 578) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L532(lines 531 551) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L563-1(line 563) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 482 584) no Hoare annotation was computed. [2020-10-27 03:42:22,165 INFO L274 CegarLoopResult]: For program point L528(lines 528 569) no Hoare annotation was computed. [2020-10-27 03:42:22,166 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-27 03:42:22,166 INFO L274 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-10-27 03:42:22,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:42:22,166 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 03:42:22,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:42:22,166 INFO L274 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-10-27 03:42:22,166 INFO L274 CegarLoopResult]: For program point L781(line 781) no Hoare annotation was computed. [2020-10-27 03:42:22,166 INFO L274 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 776 792) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 776 792) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point L787-1(lines 776 792) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 293 301) the Hoare annotation is: true [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 293 301) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 293 301) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point L253-1(lines 249 260) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 249 260) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 249 260) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 03:42:22,167 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:42:22,168 INFO L270 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,168 INFO L270 CegarLoopResult]: At program point L696(lines 696 702) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,168 INFO L270 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-27 03:42:22,168 INFO L274 CegarLoopResult]: For program point L689(lines 688 707) no Hoare annotation was computed. [2020-10-27 03:42:22,168 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 685 708) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,168 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 685 708) no Hoare annotation was computed. [2020-10-27 03:42:22,168 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 685 708) no Hoare annotation was computed. [2020-10-27 03:42:22,168 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 144) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,168 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 120 149) no Hoare annotation was computed. [2020-10-27 03:42:22,168 INFO L270 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,168 INFO L274 CegarLoopResult]: For program point L126-1(line 126) no Hoare annotation was computed. [2020-10-27 03:42:22,169 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 120 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,169 INFO L277 CegarLoopResult]: At program point L145(lines 120 149) the Hoare annotation is: true [2020-10-27 03:42:22,169 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 03:42:22,169 INFO L274 CegarLoopResult]: For program point L134(lines 134 138) no Hoare annotation was computed. [2020-10-27 03:42:22,169 INFO L270 CegarLoopResult]: At program point L134-1(lines 134 138) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:42:22,169 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 03:42:22,169 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 261 269) the Hoare annotation is: true [2020-10-27 03:42:22,169 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 261 269) no Hoare annotation was computed. [2020-10-27 03:42:22,169 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 261 269) no Hoare annotation was computed. [2020-10-27 03:42:22,169 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 225 236) the Hoare annotation is: true [2020-10-27 03:42:22,169 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 225 236) no Hoare annotation was computed. [2020-10-27 03:42:22,169 INFO L274 CegarLoopResult]: For program point L229-1(lines 225 236) no Hoare annotation was computed. [2020-10-27 03:42:22,169 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 177 183) no Hoare annotation was computed. [2020-10-27 03:42:22,169 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 177 183) the Hoare annotation is: true [2020-10-27 03:42:22,170 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:42:22,170 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 03:42:22,170 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 03:42:22,170 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:42:22,170 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 891 898) no Hoare annotation was computed. [2020-10-27 03:42:22,170 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 891 898) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-27 03:42:22,170 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 891 898) no Hoare annotation was computed. [2020-10-27 03:42:22,170 INFO L274 CegarLoopResult]: For program point L241-1(lines 237 248) no Hoare annotation was computed. [2020-10-27 03:42:22,170 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 237 248) no Hoare annotation was computed. [2020-10-27 03:42:22,170 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 237 248) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-27 03:42:22,170 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 03:42:22,170 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 109 116) no Hoare annotation was computed. [2020-10-27 03:42:22,170 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 109 116) the Hoare annotation is: true [2020-10-27 03:42:22,170 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 109 116) no Hoare annotation was computed. [2020-10-27 03:42:22,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:42:22 BoogieIcfgContainer [2020-10-27 03:42:22,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:42:22,189 INFO L168 Benchmark]: Toolchain (without parser) took 74982.56 ms. Allocated memory was 151.0 MB in the beginning and 692.1 MB in the end (delta: 541.1 MB). Free memory was 125.4 MB in the beginning and 270.0 MB in the end (delta: -144.6 MB). Peak memory consumption was 424.1 MB. Max. memory is 8.0 GB. [2020-10-27 03:42:22,190 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:42:22,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.05 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.0 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:42:22,191 INFO L168 Benchmark]: Boogie Preprocessor took 104.42 ms. Allocated memory is still 151.0 MB. Free memory was 103.0 MB in the beginning and 99.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:42:22,192 INFO L168 Benchmark]: RCFGBuilder took 1591.66 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 54.6 MB in the end (delta: 44.5 MB). Peak memory consumption was 45.3 MB. Max. memory is 8.0 GB. [2020-10-27 03:42:22,193 INFO L168 Benchmark]: TraceAbstraction took 72720.35 ms. Allocated memory was 151.0 MB in the beginning and 692.1 MB in the end (delta: 541.1 MB). Free memory was 54.1 MB in the beginning and 270.0 MB in the end (delta: -215.9 MB). Peak memory consumption was 352.6 MB. Max. memory is 8.0 GB. [2020-10-27 03:42:22,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 546.05 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.0 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 104.42 ms. Allocated memory is still 151.0 MB. Free memory was 103.0 MB in the beginning and 99.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1591.66 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 54.6 MB in the end (delta: 44.5 MB). Peak memory consumption was 45.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 72720.35 ms. Allocated memory was 151.0 MB in the beginning and 692.1 MB in the end (delta: 541.1 MB). Free memory was 54.1 MB in the beginning and 270.0 MB in the end (delta: -215.9 MB). Peak memory consumption was 352.6 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: 616]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 609]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 655]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 662]: 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: 130]: Loop Invariant Derived loop invariant: (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 253 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.1s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 30.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 649 SDtfs, 1658 SDslu, 778 SDs, 0 SdLazy, 4290 SolverSat, 1319 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=931occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 482 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1121 PreInvPairs, 1293 NumberOfFragments, 749 HoareAnnotationTreeSize, 1121 FomulaSimplifications, 181705 FormulaSimplificationTreeSizeReduction, 5.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 26888 FormulaSimplificationTreeSizeReductionInter, 12.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 313 NumberOfCodeBlocks, 313 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 116014 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 23/24 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...