/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:58:18,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:58:18,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:58:18,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:58:18,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:58:18,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:58:18,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:58:18,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:58:18,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:58:18,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:58:18,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:58:18,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:58:18,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:58:18,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:58:18,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:58:18,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:58:18,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:58:18,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:58:18,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:58:18,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:58:18,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:58:18,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:58:18,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:58:18,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:58:18,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:58:18,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:58:18,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:58:18,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:58:18,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:58:18,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:58:18,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:58:18,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:58:18,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:58:18,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:58:18,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:58:18,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:58:18,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:58:18,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:58:18,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:58:18,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:58:18,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:58:18,600 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 [2020-10-28 16:58:18,657 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:58:18,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:58:18,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:58:18,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:58:18,661 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:58:18,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:58:18,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:58:18,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:58:18,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:58:18,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:58:18,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:58:18,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:58:18,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:58:18,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:58:18,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:58:18,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:58:18,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:58:18,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:58:18,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:58:18,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:58:18,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:58:18,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:58:18,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:58:18,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:58:18,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:58:18,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:58:18,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:58:18,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:58:18,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:58:18,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:58:19,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:58:19,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:58:19,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:58:19,089 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:58:19,090 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:58:19,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-10-28 16:58:19,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/747f746d6/e8a54f5576674622aabfccdb9038d23d/FLAGdb93d606b [2020-10-28 16:58:19,986 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:58:19,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-10-28 16:58:20,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/747f746d6/e8a54f5576674622aabfccdb9038d23d/FLAGdb93d606b [2020-10-28 16:58:20,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/747f746d6/e8a54f5576674622aabfccdb9038d23d [2020-10-28 16:58:20,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:58:20,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:58:20,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:58:20,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:58:20,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:58:20,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:58:20" (1/1) ... [2020-10-28 16:58:20,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec3cd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20, skipping insertion in model container [2020-10-28 16:58:20,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:58:20" (1/1) ... [2020-10-28 16:58:20,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:58:20,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:58:20,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:58:20,407 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:58:20,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:58:20,591 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:58:20,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20 WrapperNode [2020-10-28 16:58:20,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:58:20,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:58:20,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:58:20,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:58:20,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20" (1/1) ... [2020-10-28 16:58:20,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20" (1/1) ... [2020-10-28 16:58:20,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20" (1/1) ... [2020-10-28 16:58:20,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20" (1/1) ... [2020-10-28 16:58:20,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20" (1/1) ... [2020-10-28 16:58:20,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20" (1/1) ... [2020-10-28 16:58:20,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20" (1/1) ... [2020-10-28 16:58:20,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:58:20,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:58:20,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:58:20,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:58:20,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20" (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 [2020-10-28 16:58:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:58:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:58:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:58:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:58:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:58:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:58:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:58:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:58:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:58:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:58:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:58:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:58:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:58:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:58:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:58:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-28 16:58:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:58:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:58:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:58:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:58:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:58:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:58:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:58:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:58:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:58:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:58:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:58:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:58:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:58:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:58:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:58:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:58:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:58:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:58:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:58:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:58:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:58:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:58:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:58:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:58:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:58:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:58:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:58:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:58:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:58:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:58:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:58:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:58:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:58:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:58:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:58:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:58:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:58:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:58:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:58:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:58:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:58:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:58:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:58:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:58:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:58:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:58:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-28 16:58:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:58:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:58:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:58:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:58:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:58:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:58:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:58:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:58:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:58:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:58:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:58:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:58:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:58:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:58:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:58:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:58:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:58:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:58:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:58:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:58:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:58:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:58:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:58:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:58:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:58:22,013 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:58:22,014 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:58:22,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:58:22 BoogieIcfgContainer [2020-10-28 16:58:22,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:58:22,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:58:22,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:58:22,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:58:22,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:58:20" (1/3) ... [2020-10-28 16:58:22,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e11b7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:58:22, skipping insertion in model container [2020-10-28 16:58:22,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:20" (2/3) ... [2020-10-28 16:58:22,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e11b7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:58:22, skipping insertion in model container [2020-10-28 16:58:22,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:58:22" (3/3) ... [2020-10-28 16:58:22,031 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2020-10-28 16:58:22,044 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:58:22,049 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:58:22,065 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:58:22,124 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:58:22,124 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:58:22,124 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:58:22,124 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:58:22,125 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:58:22,125 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:58:22,125 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:58:22,125 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:58:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-10-28 16:58:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:58:22,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:22,158 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] [2020-10-28 16:58:22,158 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]=== [2020-10-28 16:58:22,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:22,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1628872722, now seen corresponding path program 1 times [2020-10-28 16:58:22,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:22,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008548700] [2020-10-28 16:58:22,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:22,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:22,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:23,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:24,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:25,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:27,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:27,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:58:27,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:58:27,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-28 16:58:27,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:27,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:27,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:27,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:58:27,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:27,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 16:58:27,917 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:27,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:58:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:27,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:28,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:28,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:28,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:28,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 16:58:28,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:28,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:28,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:58:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:28,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:28,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:28,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:28,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:28,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:28,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:58:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:58:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:28,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:28,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:28,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:28,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:28,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:58:28,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:28,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:28,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:28,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:58:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:28,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:28,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:28,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:28,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:28,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:28,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:28,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:58:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:28,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:28,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:28,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:28,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:28,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:58:28,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:28,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:28,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:28,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:58:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:28,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:28,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:28,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:28,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:28,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:28,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:28,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:58:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:28,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:28,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:28,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:28,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:28,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:28,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:28,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:58:28,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008548700] [2020-10-28 16:58:28,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:58:28,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:58:28,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794192745] [2020-10-28 16:58:28,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:58:28,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:58:28,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:58:28,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:58:28,173 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-10-28 16:58:29,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:58:29,444 INFO L93 Difference]: Finished difference Result 257 states and 337 transitions. [2020-10-28 16:58:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:58:29,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:58:29,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:58:29,460 INFO L225 Difference]: With dead ends: 257 [2020-10-28 16:58:29,461 INFO L226 Difference]: Without dead ends: 138 [2020-10-28 16:58:29,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:58:29,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-28 16:58:29,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 107. [2020-10-28 16:58:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-28 16:58:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2020-10-28 16:58:29,559 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 47 [2020-10-28 16:58:29,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:58:29,560 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2020-10-28 16:58:29,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:58:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2020-10-28 16:58:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:58:29,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:29,563 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] [2020-10-28 16:58:29,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:58:29,564 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]=== [2020-10-28 16:58:29,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:29,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1797003195, now seen corresponding path program 1 times [2020-10-28 16:58:29,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:29,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383497265] [2020-10-28 16:58:29,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:29,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:29,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:29,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:32,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:32,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:34,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:34,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:58:34,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:58:34,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 16:58:34,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:34,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:58:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:58:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:35,038 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:35,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:58:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:35,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:35,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:35,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:35,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:35,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 16:58:35,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:35,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:35,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:35,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:35,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:58:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:35,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:35,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:35,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:35,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:35,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:35,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:35,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:35,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:58:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:35,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:35,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:35,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:35,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:35,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:35,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:35,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:35,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:58:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:35,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:35,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:35,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:35,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:35,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:35,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:35,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:35,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:35,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:58:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:35,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:35,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:35,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:35,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:35,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:35,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:35,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:35,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:35,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:35,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:35,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:35,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:58:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:35,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:35,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:35,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:35,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:58:35,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:35,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:35,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:35,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:35,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:58:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:35,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:35,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:35,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:35,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:35,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:35,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:35,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:35,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:58:35,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383497265] [2020-10-28 16:58:35,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:58:35,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:58:35,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138337593] [2020-10-28 16:58:35,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:58:35,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:58:35,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:58:35,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:58:35,196 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand 4 states. [2020-10-28 16:58:35,859 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:58:36,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:58:36,742 INFO L93 Difference]: Finished difference Result 183 states and 220 transitions. [2020-10-28 16:58:36,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:58:36,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:58:36,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:58:36,746 INFO L225 Difference]: With dead ends: 183 [2020-10-28 16:58:36,746 INFO L226 Difference]: Without dead ends: 122 [2020-10-28 16:58:36,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:58:36,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-28 16:58:36,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 98. [2020-10-28 16:58:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-28 16:58:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 111 transitions. [2020-10-28 16:58:36,794 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 111 transitions. Word has length 48 [2020-10-28 16:58:36,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:58:36,794 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 111 transitions. [2020-10-28 16:58:36,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:58:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2020-10-28 16:58:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:58:36,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:36,797 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] [2020-10-28 16:58:36,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:58:36,797 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]=== [2020-10-28 16:58:36,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:36,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1153756511, now seen corresponding path program 1 times [2020-10-28 16:58:36,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:36,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372686445] [2020-10-28 16:58:36,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:36,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:37,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:37,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:38,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:41,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:41,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:58:41,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:58:41,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4262 [2020-10-28 16:58:41,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:41,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:58:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:41,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:58:41,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:41,504 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:41,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:58:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:41,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:41,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:41,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:41,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-28 16:58:41,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:41,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:41,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:58:41,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:58:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:41,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:41,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:41,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:41,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:41,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:58:41,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:41,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:41,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:41,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:41,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:41,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:41,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:58:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:41,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:41,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:41,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:41,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:41,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:41,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:41,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:41,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:41,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:41,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:58:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:41,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:41,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:41,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:41,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:41,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:41,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:41,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:58:41,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:41,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:58:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:41,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:41,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:41,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:41,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:41,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:41,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:41,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:41,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:58:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:41,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:41,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:41,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:41,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:41,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:41,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:41,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:41,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:41,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:58:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:41,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:41,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:41,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:41,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:41,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:41,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:41,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:41,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:58:41,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372686445] [2020-10-28 16:58:41,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:58:41,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:58:41,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11618139] [2020-10-28 16:58:41,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:58:41,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:58:41,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:58:41,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:58:41,725 INFO L87 Difference]: Start difference. First operand 98 states and 111 transitions. Second operand 5 states. [2020-10-28 16:58:42,186 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:58:43,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:58:43,037 INFO L93 Difference]: Finished difference Result 196 states and 238 transitions. [2020-10-28 16:58:43,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:58:43,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:58:43,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:58:43,040 INFO L225 Difference]: With dead ends: 196 [2020-10-28 16:58:43,041 INFO L226 Difference]: Without dead ends: 122 [2020-10-28 16:58:43,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:58:43,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-28 16:58:43,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 98. [2020-10-28 16:58:43,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-28 16:58:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2020-10-28 16:58:43,084 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 53 [2020-10-28 16:58:43,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:58:43,084 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2020-10-28 16:58:43,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:58:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2020-10-28 16:58:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 16:58:43,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:43,087 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] [2020-10-28 16:58:43,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:58:43,087 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]=== [2020-10-28 16:58:43,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:43,088 INFO L82 PathProgramCache]: Analyzing trace with hash 875827960, now seen corresponding path program 1 times [2020-10-28 16:58:43,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:43,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1500943838] [2020-10-28 16:58:43,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:43,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:43,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:43,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:44,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:47,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 16:58:47,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:58:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4444 [2020-10-28 16:58:47,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:47,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:58:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:58:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 16:58:47,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,033 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:58:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:48,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:48,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:48,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:48,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 16:58:48,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:48,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:48,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:58:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:48,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:48,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:48,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:48,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:48,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:58:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:48,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:48,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:48,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:48,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:58:48,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:48,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:48,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:58:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:48,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:48,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:48,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:48,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:48,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:48,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:48,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:58:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:48,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:48,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:48,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:48,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:48,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:48,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:58:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:48,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:48,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:58:48,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:58:48,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:58:48,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:48,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:58:48,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:58:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:48,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:48,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:48,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:48,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:48,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:48,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 16:58:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:48,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:48,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:48,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:48,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:48,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:48,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:48,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:48,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:48,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:58:48,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 16:58:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:48,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:48,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:48,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:48,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:58:48,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:48,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:58:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:58:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:58:48,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1500943838] [2020-10-28 16:58:48,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:58:48,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:58:48,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381222384] [2020-10-28 16:58:48,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:58:48,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:58:48,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:58:48,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:58:48,245 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 8 states. [2020-10-28 16:58:48,920 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:58:50,079 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:58:50,570 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:58:51,010 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:58:51,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:58:51,200 INFO L93 Difference]: Finished difference Result 165 states and 199 transitions. [2020-10-28 16:58:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:58:51,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-10-28 16:58:51,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:58:51,202 INFO L225 Difference]: With dead ends: 165 [2020-10-28 16:58:51,202 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:58:51,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:58:51,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:58:51,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:58:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:58:51,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:58:51,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-10-28 16:58:51,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:58:51,210 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:58:51,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:58:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:58:51,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:58:51,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:58:51,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:58:52,817 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-10-28 16:58:53,099 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:58:53,425 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:58:53,681 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:58:53,982 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 13 [2020-10-28 16:58:54,320 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:54,632 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:58:55,011 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-28 16:58:55,380 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:58:55,649 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-28 16:58:55,990 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:58:56,346 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:58:56,658 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:58:56,964 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:58:57,272 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:58:57,581 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:58:57,938 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-10-28 16:58:57,942 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:58:57,943 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:58:57,943 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:58:57,943 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:58:57,943 INFO L274 CegarLoopResult]: For program point L546-2(lines 546 567) no Hoare annotation was computed. [2020-10-28 16:58:57,943 INFO L274 CegarLoopResult]: For program point L568(lines 545 569) no Hoare annotation was computed. [2020-10-28 16:58:57,944 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 521 576) no Hoare annotation was computed. [2020-10-28 16:58:57,944 INFO L274 CegarLoopResult]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-10-28 16:58:57,944 INFO L274 CegarLoopResult]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2020-10-28 16:58:57,944 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 521 576) no Hoare annotation was computed. [2020-10-28 16:58:57,944 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 16:58:57,944 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 521 576) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point L609-1(lines 609 613) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point L603-2(lines 603 628) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 577 636) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point L629(lines 602 630) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 577 636) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-10-28 16:58:57,945 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 577 636) no Hoare annotation was computed. [2020-10-28 16:58:57,946 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 853 859) the Hoare annotation is: true [2020-10-28 16:58:57,946 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 853 859) no Hoare annotation was computed. [2020-10-28 16:58:57,946 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 860 868) no Hoare annotation was computed. [2020-10-28 16:58:57,946 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 860 868) the Hoare annotation is: true [2020-10-28 16:58:57,946 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 860 868) no Hoare annotation was computed. [2020-10-28 16:58:57,946 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 232 256) the Hoare annotation is: true [2020-10-28 16:58:57,946 INFO L270 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-28 16:58:57,946 INFO L274 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2020-10-28 16:58:57,946 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 232 256) no Hoare annotation was computed. [2020-10-28 16:58:57,947 INFO L277 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: true [2020-10-28 16:58:57,947 INFO L274 CegarLoopResult]: For program point L242-1(line 242) no Hoare annotation was computed. [2020-10-28 16:58:57,947 INFO L274 CegarLoopResult]: For program point L240(lines 240 253) no Hoare annotation was computed. [2020-10-28 16:58:57,947 INFO L274 CegarLoopResult]: For program point L240-1(lines 232 256) no Hoare annotation was computed. [2020-10-28 16:58:57,947 INFO L277 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: true [2020-10-28 16:58:57,947 INFO L274 CegarLoopResult]: For program point L238-1(line 238) no Hoare annotation was computed. [2020-10-28 16:58:57,947 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:58:57,948 INFO L270 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:58:57,948 INFO L270 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:58:57,948 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:58:57,948 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-28 16:58:57,948 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-28 16:58:57,948 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:58:57,949 INFO L270 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:58:57,949 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-28 16:58:57,949 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-28 16:58:57,949 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-28 16:58:57,949 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:58:57,949 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 16:58:57,949 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-28 16:58:57,949 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 16:58:57,949 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-28 16:58:57,950 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 16:58:57,951 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 16:58:57,951 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-28 16:58:57,951 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 348 356) no Hoare annotation was computed. [2020-10-28 16:58:57,951 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 348 356) the Hoare annotation is: true [2020-10-28 16:58:57,951 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 348 356) no Hoare annotation was computed. [2020-10-28 16:58:57,951 INFO L274 CegarLoopResult]: For program point L376(lines 376 384) no Hoare annotation was computed. [2020-10-28 16:58:57,951 INFO L274 CegarLoopResult]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2020-10-28 16:58:57,951 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 357 392) no Hoare annotation was computed. [2020-10-28 16:58:57,951 INFO L274 CegarLoopResult]: For program point L364(lines 364 372) no Hoare annotation was computed. [2020-10-28 16:58:57,952 INFO L274 CegarLoopResult]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2020-10-28 16:58:57,952 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 357 392) no Hoare annotation was computed. [2020-10-28 16:58:57,952 INFO L274 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-10-28 16:58:57,952 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 357 392) no Hoare annotation was computed. [2020-10-28 16:58:57,952 INFO L274 CegarLoopResult]: For program point L387-1(line 387) no Hoare annotation was computed. [2020-10-28 16:58:57,952 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 846 852) no Hoare annotation was computed. [2020-10-28 16:58:57,952 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 846 852) the Hoare annotation is: true [2020-10-28 16:58:57,952 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 475 520) no Hoare annotation was computed. [2020-10-28 16:58:57,952 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 475 520) no Hoare annotation was computed. [2020-10-28 16:58:57,952 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 475 520) no Hoare annotation was computed. [2020-10-28 16:58:57,953 INFO L274 CegarLoopResult]: For program point L802-1(lines 802 822) no Hoare annotation was computed. [2020-10-28 16:58:57,953 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 788 833) no Hoare annotation was computed. [2020-10-28 16:58:57,953 INFO L274 CegarLoopResult]: For program point L819(lines 819 820) no Hoare annotation was computed. [2020-10-28 16:58:57,953 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 812 813) no Hoare annotation was computed. [2020-10-28 16:58:57,953 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 819 820) no Hoare annotation was computed. [2020-10-28 16:58:57,953 INFO L274 CegarLoopResult]: For program point L812(lines 812 813) no Hoare annotation was computed. [2020-10-28 16:58:57,953 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 788 833) no Hoare annotation was computed. [2020-10-28 16:58:57,953 INFO L274 CegarLoopResult]: For program point L808(lines 808 815) no Hoare annotation was computed. [2020-10-28 16:58:57,953 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 788 833) no Hoare annotation was computed. [2020-10-28 16:58:57,954 INFO L274 CegarLoopResult]: For program point L802(lines 802 822) no Hoare annotation was computed. [2020-10-28 16:58:57,954 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:58:57,954 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2020-10-28 16:58:57,954 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2020-10-28 16:58:57,954 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 337 347) the Hoare annotation is: true [2020-10-28 16:58:57,954 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 337 347) no Hoare annotation was computed. [2020-10-28 16:58:57,954 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 337 347) no Hoare annotation was computed. [2020-10-28 16:58:57,954 INFO L277 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: true [2020-10-28 16:58:57,955 INFO L274 CegarLoopResult]: For program point L342-1(line 342) no Hoare annotation was computed. [2020-10-28 16:58:57,955 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 329 336) the Hoare annotation is: true [2020-10-28 16:58:57,955 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 329 336) no Hoare annotation was computed. [2020-10-28 16:58:57,955 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 329 336) no Hoare annotation was computed. [2020-10-28 16:58:57,955 INFO L270 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:57,955 INFO L274 CegarLoopResult]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2020-10-28 16:58:57,955 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 296 320) no Hoare annotation was computed. [2020-10-28 16:58:57,955 INFO L270 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:57,955 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 296 320) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:57,956 INFO L270 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:57,956 INFO L274 CegarLoopResult]: For program point L304(lines 304 312) no Hoare annotation was computed. [2020-10-28 16:58:57,956 INFO L270 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:57,956 INFO L274 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-10-28 16:58:57,956 INFO L274 CegarLoopResult]: For program point L300(lines 300 317) no Hoare annotation was computed. [2020-10-28 16:58:57,956 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2020-10-28 16:58:57,956 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2020-10-28 16:58:57,956 INFO L270 CegarLoopResult]: At program point L450-2(lines 442 455) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:58:57,957 INFO L270 CegarLoopResult]: At program point testENTRY(lines 402 467) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:58:57,957 INFO L274 CegarLoopResult]: For program point L413(lines 412 459) no Hoare annotation was computed. [2020-10-28 16:58:57,957 INFO L270 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:58:57,957 INFO L274 CegarLoopResult]: For program point L442(lines 442 455) no Hoare annotation was computed. [2020-10-28 16:58:57,957 INFO L274 CegarLoopResult]: For program point testFINAL(lines 402 467) no Hoare annotation was computed. [2020-10-28 16:58:57,957 INFO L270 CegarLoopResult]: At program point L434(line 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:58:57,957 INFO L274 CegarLoopResult]: For program point L432(lines 432 438) no Hoare annotation was computed. [2020-10-28 16:58:57,957 INFO L274 CegarLoopResult]: For program point L432-1(lines 432 438) no Hoare annotation was computed. [2020-10-28 16:58:57,958 INFO L270 CegarLoopResult]: At program point L457(lines 412 459) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:58:57,958 INFO L270 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:58:57,958 INFO L274 CegarLoopResult]: For program point L422(lines 422 428) no Hoare annotation was computed. [2020-10-28 16:58:57,958 INFO L274 CegarLoopResult]: For program point L422-1(lines 422 428) no Hoare annotation was computed. [2020-10-28 16:58:57,958 INFO L274 CegarLoopResult]: For program point L414(lines 414 418) no Hoare annotation was computed. [2020-10-28 16:58:57,958 INFO L270 CegarLoopResult]: At program point L460(lines 411 461) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:57,958 INFO L274 CegarLoopResult]: For program point testEXIT(lines 402 467) no Hoare annotation was computed. [2020-10-28 16:58:57,958 INFO L274 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-10-28 16:58:57,958 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 766 767) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point L766(lines 766 767) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 773 774) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point L762(lines 762 769) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 742 787) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 742 787) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point L756(lines 756 776) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point L756-1(lines 756 776) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 742 787) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point L773(lines 773 774) no Hoare annotation was computed. [2020-10-28 16:58:57,959 INFO L274 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 197 219) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 197 219) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 197 219) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 639 741) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point L663(lines 663 667) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point L727(lines 727 738) no Hoare annotation was computed. [2020-10-28 16:58:57,960 INFO L274 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-10-28 16:58:57,961 INFO L274 CegarLoopResult]: For program point L688-2(lines 688 708) no Hoare annotation was computed. [2020-10-28 16:58:57,961 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 639 741) no Hoare annotation was computed. [2020-10-28 16:58:57,961 INFO L274 CegarLoopResult]: For program point L709(lines 687 710) no Hoare annotation was computed. [2020-10-28 16:58:57,961 INFO L274 CegarLoopResult]: For program point L668(lines 668 684) no Hoare annotation was computed. [2020-10-28 16:58:57,961 INFO L274 CegarLoopResult]: For program point L728(lines 728 735) no Hoare annotation was computed. [2020-10-28 16:58:57,961 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 639 741) no Hoare annotation was computed. [2020-10-28 16:58:57,961 INFO L274 CegarLoopResult]: For program point L689(lines 688 708) no Hoare annotation was computed. [2020-10-28 16:58:57,961 INFO L274 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-10-28 16:58:57,961 INFO L274 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-10-28 16:58:57,962 INFO L274 CegarLoopResult]: For program point L685(lines 685 726) no Hoare annotation was computed. [2020-10-28 16:58:57,962 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 836 845) no Hoare annotation was computed. [2020-10-28 16:58:57,962 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 836 845) no Hoare annotation was computed. [2020-10-28 16:58:57,962 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 836 845) no Hoare annotation was computed. [2020-10-28 16:58:57,962 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:58:57,962 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:58:57,963 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:58:57,963 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 321 328) no Hoare annotation was computed. [2020-10-28 16:58:57,963 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 321 328) no Hoare annotation was computed. [2020-10-28 16:58:57,963 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 321 328) no Hoare annotation was computed. [2020-10-28 16:58:57,963 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 220 228) the Hoare annotation is: true [2020-10-28 16:58:57,963 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:58:57,963 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:58:57,963 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:58:57,964 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2020-10-28 16:58:57,964 INFO L274 CegarLoopResult]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2020-10-28 16:58:57,964 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:58:57,964 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:58:57,964 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:58:57,964 INFO L270 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:57,964 INFO L270 CegarLoopResult]: At program point L275(lines 275 281) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:57,964 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:57,965 INFO L270 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:57,965 INFO L274 CegarLoopResult]: For program point L268(lines 267 286) no Hoare annotation was computed. [2020-10-28 16:58:57,965 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2020-10-28 16:58:57,965 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2020-10-28 16:58:57,965 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 16:58:57,965 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-28 16:58:57,965 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-28 16:58:57,965 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-28 16:58:57,965 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-28 16:58:57,965 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-28 16:58:57,966 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-28 16:58:57,966 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-28 16:58:57,966 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-28 16:58:57,966 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-28 16:58:57,966 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2020-10-28 16:58:57,966 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2020-10-28 16:58:57,966 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2020-10-28 16:58:57,966 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: true [2020-10-28 16:58:57,966 INFO L274 CegarLoopResult]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2020-10-28 16:58:57,967 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2020-10-28 16:58:57,967 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-28 16:58:57,967 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-28 16:58:57,967 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:58:57,967 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 16:58:57,968 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:58:57,968 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:58:57,968 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 393 400) no Hoare annotation was computed. [2020-10-28 16:58:57,970 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 393 400) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:58:57,970 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 393 400) no Hoare annotation was computed. [2020-10-28 16:58:57,970 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2020-10-28 16:58:57,970 INFO L274 CegarLoopResult]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2020-10-28 16:58:57,970 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:58:57,970 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 870 877) no Hoare annotation was computed. [2020-10-28 16:58:57,970 INFO L274 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-10-28 16:58:57,970 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 870 877) the Hoare annotation is: true [2020-10-28 16:58:57,970 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 870 877) no Hoare annotation was computed. [2020-10-28 16:58:57,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:58:57 BoogieIcfgContainer [2020-10-28 16:58:57,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:58:58,002 INFO L168 Benchmark]: Toolchain (without parser) took 37974.18 ms. Allocated memory was 151.0 MB in the beginning and 599.8 MB in the end (delta: 448.8 MB). Free memory was 125.8 MB in the beginning and 511.2 MB in the end (delta: -385.5 MB). Peak memory consumption was 357.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:58,004 INFO L168 Benchmark]: CDTParser took 1.60 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:58:58,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.21 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 105.2 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:58,015 INFO L168 Benchmark]: Boogie Preprocessor took 147.87 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 101.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:58,015 INFO L168 Benchmark]: RCFGBuilder took 1276.84 ms. Allocated memory is still 151.0 MB. Free memory was 101.3 MB in the beginning and 51.9 MB in the end (delta: 49.4 MB). Peak memory consumption was 50.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:58,016 INFO L168 Benchmark]: TraceAbstraction took 35976.53 ms. Allocated memory was 151.0 MB in the beginning and 599.8 MB in the end (delta: 448.8 MB). Free memory was 51.4 MB in the beginning and 511.2 MB in the end (delta: -459.9 MB). Peak memory consumption was 282.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:58,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 559.21 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 105.2 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 147.87 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 101.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1276.84 ms. Allocated memory is still 151.0 MB. Free memory was 101.3 MB in the beginning and 51.9 MB in the end (delta: 49.4 MB). Peak memory consumption was 50.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35976.53 ms. Allocated memory was 151.0 MB in the beginning and 599.8 MB in the end (delta: 448.8 MB). Free memory was 51.4 MB in the beginning and 511.2 MB in the end (delta: -459.9 MB). Peak memory consumption was 282.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 773]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 766]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 812]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 819]: 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: 412]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 1 == systemActive) && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 220 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 341 SDtfs, 468 SDslu, 92 SDs, 0 SdLazy, 600 SolverSat, 307 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 174 PreInvPairs, 190 NumberOfFragments, 791 HoareAnnotationTreeSize, 174 FomulaSimplifications, 8119 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 5481 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.2s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 60262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...