/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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:39:32,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:39:32,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:39:32,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:39:32,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:39:32,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:39:32,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:39:32,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:39:32,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:39:32,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:39:32,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:39:32,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:39:32,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:39:32,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:39:32,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:39:32,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:39:32,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:39:32,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:39:32,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:39:32,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:39:32,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:39:32,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:39:32,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:39:32,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:39:32,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:39:32,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:39:32,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:39:32,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:39:32,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:39:32,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:39:32,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:39:32,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:39:32,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:39:32,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:39:32,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:39:32,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:39:32,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:39:32,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:39:32,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:39:32,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:39:32,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:39:32,633 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 16:39:32,660 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:39:32,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:39:32,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:39:32,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:39:32,662 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:39:32,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:39:32,662 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:39:32,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:39:32,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:39:32,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:39:32,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:39:32,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:39:32,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:39:32,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:39:32,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:39:32,664 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:39:32,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:39:32,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:39:32,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:39:32,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:39:32,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:39:32,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:39:32,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:39:32,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:39:32,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:39:32,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:39:32,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:39:32,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:39:32,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:39:32,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:39:33,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:39:33,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:39:33,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:39:33,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:39:33,133 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:39:33,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-10-28 16:39:33,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae001a4aa/bcd00022f060465d888a27f92afd336d/FLAG44671a9ac [2020-10-28 16:39:33,854 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:39:33,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-10-28 16:39:33,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae001a4aa/bcd00022f060465d888a27f92afd336d/FLAG44671a9ac [2020-10-28 16:39:34,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae001a4aa/bcd00022f060465d888a27f92afd336d [2020-10-28 16:39:34,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:39:34,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:39:34,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:34,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:39:34,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:39:34,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:34" (1/1) ... [2020-10-28 16:39:34,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6adc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34, skipping insertion in model container [2020-10-28 16:39:34,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:34" (1/1) ... [2020-10-28 16:39:34,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:39:34,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:39:34,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:34,589 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:39:34,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:34,744 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:39:34,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34 WrapperNode [2020-10-28 16:39:34,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:34,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:39:34,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:39:34,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:39:34,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34" (1/1) ... [2020-10-28 16:39:34,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34" (1/1) ... [2020-10-28 16:39:34,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34" (1/1) ... [2020-10-28 16:39:34,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34" (1/1) ... [2020-10-28 16:39:34,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34" (1/1) ... [2020-10-28 16:39:34,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34" (1/1) ... [2020-10-28 16:39:34,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34" (1/1) ... [2020-10-28 16:39:34,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:39:34,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:39:34,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:39:34,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:39:34,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34" (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 16:39:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:39:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:39:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:39:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:39:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:39:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:39:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:39:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:39:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:39:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:39:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:39:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:39:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:39:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:39:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:39:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:39:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:39:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:39:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:39:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:39:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:39:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:39:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:39:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:39:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:39:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:39:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:39:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:39:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:39:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:39:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:39:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:39:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:39:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:39:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:39:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:39:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:39:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:39:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:39:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:39:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:39:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:39:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:39:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:39:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:39:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:39:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:39:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:39:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:39:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:39:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:39:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:39:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:39:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:39:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:39:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:39:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:39:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:39:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:39:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:39:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:39:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:39:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:39:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:39:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:39:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:39:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:39:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:39:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:39:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:39:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:39:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:39:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:39:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:39:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:39:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:39:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:39:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:39:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:39:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:39:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:39:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:39:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:39:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:39:36,268 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:39:36,268 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:39:36,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:36 BoogieIcfgContainer [2020-10-28 16:39:36,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:39:36,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:39:36,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:39:36,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:39:36,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:39:34" (1/3) ... [2020-10-28 16:39:36,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eda44ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:36, skipping insertion in model container [2020-10-28 16:39:36,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:34" (2/3) ... [2020-10-28 16:39:36,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eda44ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:36, skipping insertion in model container [2020-10-28 16:39:36,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:36" (3/3) ... [2020-10-28 16:39:36,281 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-10-28 16:39:36,294 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:39:36,300 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:39:36,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:39:36,347 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:39:36,347 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:39:36,348 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:39:36,348 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:39:36,348 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:39:36,349 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:39:36,349 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:39:36,349 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:39:36,399 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-28 16:39:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:39:36,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:36,452 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 16:39:36,453 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 16:39:36,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:36,466 INFO L82 PathProgramCache]: Analyzing trace with hash 399775825, now seen corresponding path program 1 times [2020-10-28 16:39:36,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:36,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754822739] [2020-10-28 16:39:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:36,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:38,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:41,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:41,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:39:41,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:41,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 16:39:41,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:41,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:39:41,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-28 16:39:42,218 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:42,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:42,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:42,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:42,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:42,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:39:42,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:42,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:42,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:42,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:42,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:42,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:42,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:42,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:42,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:42,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:42,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:42,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:42,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:42,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:42,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:42,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:42,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:42,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:42,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:42,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:42,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:42,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:42,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:42,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:42,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:42,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:42,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:42,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:42,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:42,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:42,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:42,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:42,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:39:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:42,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:42,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:42,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:42,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:42,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:42,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:42,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:42,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:42,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:42,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:42,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:42,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:42,354 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 16:39:42,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754822739] [2020-10-28 16:39:42,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:42,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:39:42,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477373867] [2020-10-28 16:39:42,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:39:42,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:42,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:39:42,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:42,383 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-10-28 16:39:43,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:43,807 INFO L93 Difference]: Finished difference Result 275 states and 362 transitions. [2020-10-28 16:39:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:39:43,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:39:43,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:43,830 INFO L225 Difference]: With dead ends: 275 [2020-10-28 16:39:43,830 INFO L226 Difference]: Without dead ends: 148 [2020-10-28 16:39:43,837 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 16:39:43,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-28 16:39:43,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 115. [2020-10-28 16:39:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 16:39:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-10-28 16:39:43,981 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 47 [2020-10-28 16:39:43,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:43,985 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-10-28 16:39:43,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:39:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-10-28 16:39:43,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:39:43,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:43,992 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 16:39:43,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:39:43,992 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 16:39:43,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:43,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1324670232, now seen corresponding path program 1 times [2020-10-28 16:39:43,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:43,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116029614] [2020-10-28 16:39:43,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:44,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:44,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:44,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:46,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:46,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:49,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:49,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:39:49,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:49,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:39:49,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:49,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:39:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:39:49,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:49,382 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:49,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:49,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:49,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:49,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:49,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:49,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 16:39:49,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:49,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:49,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:49,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:49,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:49,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:49,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:49,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:49,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:49,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:49,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:49,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:49,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:49,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:49,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:49,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:49,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:49,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:49,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:49,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:49,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:49,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:49,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:49,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:49,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:49,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:49,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:49,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:49,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:49,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:49,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:49,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:49,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:49,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:49,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:49,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:49,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:49,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:49,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:49,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:49,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:49,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:39:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:49,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:49,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:49,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:49,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:49,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:49,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:49,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:49,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:49,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:49,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:39:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:49,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:49,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:49,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:49,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:49,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:49,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:49,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:49,475 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 16:39:49,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116029614] [2020-10-28 16:39:49,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:49,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:39:49,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611726956] [2020-10-28 16:39:49,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:39:49,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:49,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:39:49,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:39:49,479 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 4 states. [2020-10-28 16:39:50,082 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:50,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:50,975 INFO L93 Difference]: Finished difference Result 195 states and 237 transitions. [2020-10-28 16:39:50,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:50,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:39:50,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:50,981 INFO L225 Difference]: With dead ends: 195 [2020-10-28 16:39:50,981 INFO L226 Difference]: Without dead ends: 132 [2020-10-28 16:39:50,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:50,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-28 16:39:51,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 106. [2020-10-28 16:39:51,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-28 16:39:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-10-28 16:39:51,048 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 48 [2020-10-28 16:39:51,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:51,049 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-10-28 16:39:51,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:39:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-10-28 16:39:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:39:51,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:51,061 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 16:39:51,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:39:51,061 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 16:39:51,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:51,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1467875063, now seen corresponding path program 1 times [2020-10-28 16:39:51,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:51,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881087204] [2020-10-28 16:39:51,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:51,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:51,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:51,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:52,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:53,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:53,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:39:53,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:53,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2428 [2020-10-28 16:39:53,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:53,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:53,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:39:53,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:53,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:39:53,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:53,946 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:53,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:53,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:54,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:54,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:54,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:54,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 16:39:54,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:54,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:39:54,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:54,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:54,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:54,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:54,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:54,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:54,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:54,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:54,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:54,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:54,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:54,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:54,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:54,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:54,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:54,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:54,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:54,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:54,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:54,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:54,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:54,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:54,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:54,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:54,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:54,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:54,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 16:39:54,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:54,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:54,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:54,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:54,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:54,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:54,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:39:54,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:54,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:54,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:54,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:54,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:54,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:54,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:54,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:54,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:54,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:54,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:39:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:54,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:54,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:54,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:54,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:54,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:54,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:54,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:54,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:54,126 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 16:39:54,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881087204] [2020-10-28 16:39:54,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:54,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:39:54,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902074519] [2020-10-28 16:39:54,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:39:54,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:54,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:39:54,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:54,130 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 5 states. [2020-10-28 16:39:54,604 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:39:56,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:56,285 INFO L93 Difference]: Finished difference Result 306 states and 376 transitions. [2020-10-28 16:39:56,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:56,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:39:56,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:56,289 INFO L225 Difference]: With dead ends: 306 [2020-10-28 16:39:56,289 INFO L226 Difference]: Without dead ends: 224 [2020-10-28 16:39:56,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:39:56,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-28 16:39:56,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 177. [2020-10-28 16:39:56,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-28 16:39:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 210 transitions. [2020-10-28 16:39:56,383 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 210 transitions. Word has length 53 [2020-10-28 16:39:56,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:56,383 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 210 transitions. [2020-10-28 16:39:56,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:39:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 210 transitions. [2020-10-28 16:39:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:39:56,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:56,385 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] [2020-10-28 16:39:56,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:39:56,386 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 16:39:56,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:56,386 INFO L82 PathProgramCache]: Analyzing trace with hash -579018991, now seen corresponding path program 1 times [2020-10-28 16:39:56,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:56,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21307791] [2020-10-28 16:39:56,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:56,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:56,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:56,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:58,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:00,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:00,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:40:00,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:40:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3953 [2020-10-28 16:40:00,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:00,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:40:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:40:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:40:00,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:00,858 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:40:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:40:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:00,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:00,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:00,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:00,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:00,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:40:00,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:00,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:00,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:40:00,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:40:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:00,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:00,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:00,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:40:00,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:00,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:40:00,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:00,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:00,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:00,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:40:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:00,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:00,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:40:00,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:00,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:00,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:00,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:00,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:00,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:40:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:00,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:00,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:00,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:00,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:00,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:00,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:00,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:00,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:40:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:00,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:00,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:00,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:40:00,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:00,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:40:00,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:00,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:00,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:00,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:00,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:00,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:00,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:40:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:00,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:00,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:40:00,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:00,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:40:00,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:00,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:40:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:40:00,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:00,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:40:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:00,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:00,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:00,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:00,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:00,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:40:00,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:00,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:00,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:40:00,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:00,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:40:00,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:00,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 16:40:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:00,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:00,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:00,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:00,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:00,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:40:00,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:00,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:00,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:40:00,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:00,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:40:00,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:01,002 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 16:40:01,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21307791] [2020-10-28 16:40:01,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:40:01,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:40:01,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525831380] [2020-10-28 16:40:01,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:40:01,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:40:01,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:40:01,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:40:01,005 INFO L87 Difference]: Start difference. First operand 177 states and 210 transitions. Second operand 8 states. [2020-10-28 16:40:01,625 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:40:02,809 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:40:03,247 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:40:03,660 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:40:03,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:40:03,992 INFO L93 Difference]: Finished difference Result 316 states and 403 transitions. [2020-10-28 16:40:03,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:40:03,993 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 16:40:03,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:40:03,994 INFO L225 Difference]: With dead ends: 316 [2020-10-28 16:40:03,995 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:40:03,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:40:03,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:40:03,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:40:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:40:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:40:03,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-28 16:40:03,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:40:03,998 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:40:03,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:40:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:40:03,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:40:03,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:40:04,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:40:06,466 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:40:06,769 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:07,362 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:40:07,651 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:40:07,957 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:40:08,510 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:40:08,812 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:40:09,088 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 10 [2020-10-28 16:40:09,438 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:40:09,773 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:10,364 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:40:10,670 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:40:10,956 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:11,484 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:40:12,039 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:40:12,392 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:12,700 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:13,001 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:13,286 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:13,769 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:40:14,031 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:40:14,330 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:40:14,872 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:40:15,156 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:15,168 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:40:15,168 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:40:15,168 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:40:15,168 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:40:15,168 INFO L274 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-28 16:40:15,168 INFO L274 CegarLoopResult]: For program point L576-2(lines 576 597) no Hoare annotation was computed. [2020-10-28 16:40:15,168 INFO L274 CegarLoopResult]: For program point L598(lines 575 599) no Hoare annotation was computed. [2020-10-28 16:40:15,169 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 551 606) no Hoare annotation was computed. [2020-10-28 16:40:15,169 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 551 606) no Hoare annotation was computed. [2020-10-28 16:40:15,169 INFO L274 CegarLoopResult]: For program point L582(lines 582 586) no Hoare annotation was computed. [2020-10-28 16:40:15,169 INFO L274 CegarLoopResult]: For program point L582-1(lines 582 586) no Hoare annotation was computed. [2020-10-28 16:40:15,169 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 551 606) no Hoare annotation was computed. [2020-10-28 16:40:15,169 INFO L274 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-10-28 16:40:15,169 INFO L274 CegarLoopResult]: For program point L639-1(lines 639 643) no Hoare annotation was computed. [2020-10-28 16:40:15,170 INFO L274 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-10-28 16:40:15,170 INFO L274 CegarLoopResult]: For program point L633-2(lines 633 658) no Hoare annotation was computed. [2020-10-28 16:40:15,170 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 607 666) no Hoare annotation was computed. [2020-10-28 16:40:15,170 INFO L274 CegarLoopResult]: For program point L659(lines 632 660) no Hoare annotation was computed. [2020-10-28 16:40:15,170 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 607 666) no Hoare annotation was computed. [2020-10-28 16:40:15,170 INFO L274 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-10-28 16:40:15,170 INFO L274 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-10-28 16:40:15,171 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 607 666) no Hoare annotation was computed. [2020-10-28 16:40:15,171 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 883 889) the Hoare annotation is: true [2020-10-28 16:40:15,171 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 883 889) no Hoare annotation was computed. [2020-10-28 16:40:15,171 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 890 898) no Hoare annotation was computed. [2020-10-28 16:40:15,171 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 890 898) the Hoare annotation is: true [2020-10-28 16:40:15,171 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 890 898) no Hoare annotation was computed. [2020-10-28 16:40:15,171 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 131 153) 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 16:40:15,171 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2020-10-28 16:40:15,172 INFO L270 CegarLoopResult]: At program point L143(line 143) 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 16:40:15,172 INFO L270 CegarLoopResult]: At program point L143-1(line 143) 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 16:40:15,172 INFO L274 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-10-28 16:40:15,172 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2020-10-28 16:40:15,172 INFO L274 CegarLoopResult]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2020-10-28 16:40:15,172 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-28 16:40:15,172 INFO L270 CegarLoopResult]: At program point L138(line 138) 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 16:40:15,173 INFO L270 CegarLoopResult]: At program point L137(line 137) 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 16:40:15,173 INFO L270 CegarLoopResult]: At program point L137-1(line 137) 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 16:40:15,173 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-28 16:40:15,173 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 16:40:15,173 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 86 109) no Hoare annotation was computed. [2020-10-28 16:40:15,173 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 16:40:15,173 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-28 16:40:15,173 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 16:40:15,174 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 86 109) no Hoare annotation was computed. [2020-10-28 16:40:15,174 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 16:40:15,174 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 86 109) no Hoare annotation was computed. [2020-10-28 16:40:15,174 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-28 16:40:15,174 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-28 16:40:15,174 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-28 16:40:15,174 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 16:40:15,174 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-28 16:40:15,174 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-28 16:40:15,175 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 16:40:15,175 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-28 16:40:15,175 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2020-10-28 16:40:15,175 INFO L270 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:15,175 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 385 399) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:15,175 INFO L274 CegarLoopResult]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-10-28 16:40:15,175 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 385 399) no Hoare annotation was computed. [2020-10-28 16:40:15,175 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 321 329) no Hoare annotation was computed. [2020-10-28 16:40:15,175 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 321 329) the Hoare annotation is: true [2020-10-28 16:40:15,175 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 321 329) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 366 384) the Hoare annotation is: true [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 366 384) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L277 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: true [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 366 384) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point L349(lines 349 357) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point L349-2(lines 349 357) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point L337(lines 337 345) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 330 365) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-10-28 16:40:15,176 INFO L274 CegarLoopResult]: For program point L360-1(line 360) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 330 365) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 330 365) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 876 882) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 876 882) the Hoare annotation is: true [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 505 550) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 505 550) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 505 550) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point L832(lines 832 852) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point L832-1(lines 832 852) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 818 863) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point L849(lines 849 850) no Hoare annotation was computed. [2020-10-28 16:40:15,177 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 842 843) no Hoare annotation was computed. [2020-10-28 16:40:15,178 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 849 850) no Hoare annotation was computed. [2020-10-28 16:40:15,178 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 818 863) no Hoare annotation was computed. [2020-10-28 16:40:15,178 INFO L274 CegarLoopResult]: For program point L842(lines 842 843) no Hoare annotation was computed. [2020-10-28 16:40:15,178 INFO L274 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-10-28 16:40:15,178 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 818 863) no Hoare annotation was computed. [2020-10-28 16:40:15,178 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 118 127) 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 16:40:15,178 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 118 127) no Hoare annotation was computed. [2020-10-28 16:40:15,178 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 118 127) no Hoare annotation was computed. [2020-10-28 16:40:15,178 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 310 320) no Hoare annotation was computed. [2020-10-28 16:40:15,178 INFO L274 CegarLoopResult]: For program point L315(line 315) no Hoare annotation was computed. [2020-10-28 16:40:15,179 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 310 320) no Hoare annotation was computed. [2020-10-28 16:40:15,179 INFO L274 CegarLoopResult]: For program point L315-1(line 315) no Hoare annotation was computed. [2020-10-28 16:40:15,179 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 310 320) no Hoare annotation was computed. [2020-10-28 16:40:15,179 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 302 309) the Hoare annotation is: true [2020-10-28 16:40:15,179 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 302 309) no Hoare annotation was computed. [2020-10-28 16:40:15,179 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 302 309) no Hoare annotation was computed. [2020-10-28 16:40:15,179 INFO L270 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:40:15,179 INFO L274 CegarLoopResult]: For program point L288-1(lines 269 293) no Hoare annotation was computed. [2020-10-28 16:40:15,179 INFO L270 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:15,179 INFO L270 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:15,179 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 269 293) no Hoare annotation was computed. [2020-10-28 16:40:15,179 INFO L274 CegarLoopResult]: For program point L277(lines 277 285) no Hoare annotation was computed. [2020-10-28 16:40:15,179 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 269 293) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:40:15,180 INFO L270 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:15,180 INFO L274 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-28 16:40:15,180 INFO L274 CegarLoopResult]: For program point L273(lines 273 290) no Hoare annotation was computed. [2020-10-28 16:40:15,180 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 261 267) no Hoare annotation was computed. [2020-10-28 16:40:15,180 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 261 267) the Hoare annotation is: true [2020-10-28 16:40:15,180 INFO L270 CegarLoopResult]: At program point testENTRY(lines 157 224) 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 16:40:15,180 INFO L270 CegarLoopResult]: At program point L217(lines 166 218) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:15,180 INFO L274 CegarLoopResult]: For program point testFINAL(lines 157 224) no Hoare annotation was computed. [2020-10-28 16:40:15,180 INFO L270 CegarLoopResult]: At program point L207(line 207) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:15,181 INFO L274 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-10-28 16:40:15,181 INFO L270 CegarLoopResult]: At program point L205-1(lines 197 212) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:15,181 INFO L274 CegarLoopResult]: For program point L168(lines 167 216) no Hoare annotation was computed. [2020-10-28 16:40:15,181 INFO L270 CegarLoopResult]: At program point L199(line 199) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:15,181 INFO L274 CegarLoopResult]: For program point L197(lines 197 212) no Hoare annotation was computed. [2020-10-28 16:40:15,181 INFO L270 CegarLoopResult]: At program point L189(line 189) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:15,181 INFO L274 CegarLoopResult]: For program point L187(lines 187 193) no Hoare annotation was computed. [2020-10-28 16:40:15,182 INFO L274 CegarLoopResult]: For program point L187-1(lines 187 193) no Hoare annotation was computed. [2020-10-28 16:40:15,182 INFO L270 CegarLoopResult]: At program point L214(lines 167 216) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:15,182 INFO L270 CegarLoopResult]: At program point L179(line 179) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:15,182 INFO L274 CegarLoopResult]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-10-28 16:40:15,182 INFO L274 CegarLoopResult]: For program point L177-1(lines 177 183) no Hoare annotation was computed. [2020-10-28 16:40:15,182 INFO L274 CegarLoopResult]: For program point L169(lines 169 173) no Hoare annotation was computed. [2020-10-28 16:40:15,182 INFO L274 CegarLoopResult]: For program point testEXIT(lines 157 224) no Hoare annotation was computed. [2020-10-28 16:40:15,182 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 796 797) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 803 804) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point L796(lines 796 797) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 772 817) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point L792(lines 792 799) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 772 817) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point L786(lines 786 806) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point L786-1(lines 786 806) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 772 817) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point L803(lines 803 804) no Hoare annotation was computed. [2020-10-28 16:40:15,183 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 489 497) no Hoare annotation was computed. [2020-10-28 16:40:15,184 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 489 497) the Hoare annotation is: true [2020-10-28 16:40:15,184 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 489 497) no Hoare annotation was computed. [2020-10-28 16:40:15,184 INFO L274 CegarLoopResult]: For program point L465(lines 465 473) no Hoare annotation was computed. [2020-10-28 16:40:15,184 INFO L274 CegarLoopResult]: For program point L465-2(lines 465 473) no Hoare annotation was computed. [2020-10-28 16:40:15,184 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 457 479) no Hoare annotation was computed. [2020-10-28 16:40:15,184 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 457 479) no Hoare annotation was computed. [2020-10-28 16:40:15,184 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 457 479) no Hoare annotation was computed. [2020-10-28 16:40:15,184 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 669 771) no Hoare annotation was computed. [2020-10-28 16:40:15,184 INFO L274 CegarLoopResult]: For program point L698(lines 698 714) no Hoare annotation was computed. [2020-10-28 16:40:15,184 INFO L274 CegarLoopResult]: For program point L758(lines 758 765) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point L719(lines 718 738) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point L715(lines 715 756) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 669 771) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point L757(lines 757 768) no Hoare annotation was computed. [2020-10-28 16:40:15,185 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 669 771) no Hoare annotation was computed. [2020-10-28 16:40:15,186 INFO L274 CegarLoopResult]: For program point L720(lines 720 724) no Hoare annotation was computed. [2020-10-28 16:40:15,186 INFO L274 CegarLoopResult]: For program point L718-2(lines 718 738) no Hoare annotation was computed. [2020-10-28 16:40:15,186 INFO L274 CegarLoopResult]: For program point L739(lines 717 740) no Hoare annotation was computed. [2020-10-28 16:40:15,186 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 866 875) no Hoare annotation was computed. [2020-10-28 16:40:15,186 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 866 875) no Hoare annotation was computed. [2020-10-28 16:40:15,186 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 866 875) no Hoare annotation was computed. [2020-10-28 16:40:15,186 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:40:15,187 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~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~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#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~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.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~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:40:15,187 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:40:15,187 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 294 301) no Hoare annotation was computed. [2020-10-28 16:40:15,187 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 294 301) no Hoare annotation was computed. [2020-10-28 16:40:15,187 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 294 301) no Hoare annotation was computed. [2020-10-28 16:40:15,187 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 480 488) no Hoare annotation was computed. [2020-10-28 16:40:15,187 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 480 488) no Hoare annotation was computed. [2020-10-28 16:40:15,187 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 480 488) no Hoare annotation was computed. [2020-10-28 16:40:15,188 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 436 447) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:40:15,188 INFO L274 CegarLoopResult]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2020-10-28 16:40:15,188 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 436 447) no Hoare annotation was computed. [2020-10-28 16:40:15,188 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:40:15,188 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:40:15,188 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:40:15,188 INFO L270 CegarLoopResult]: At program point L250(line 250) 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)|))) [2020-10-28 16:40:15,188 INFO L270 CegarLoopResult]: At program point L248(lines 248 254) 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)|))) [2020-10-28 16:40:15,189 INFO L270 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:15,189 INFO L274 CegarLoopResult]: For program point L241(lines 240 259) no Hoare annotation was computed. [2020-10-28 16:40:15,189 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 237 260) 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)|))) [2020-10-28 16:40:15,189 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 237 260) no Hoare annotation was computed. [2020-10-28 16:40:15,189 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 237 260) no Hoare annotation was computed. [2020-10-28 16:40:15,189 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-28 16:40:15,189 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 53 82) no Hoare annotation was computed. [2020-10-28 16:40:15,189 INFO L277 CegarLoopResult]: At program point L63-2(lines 63 77) the Hoare annotation is: true [2020-10-28 16:40:15,190 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 53 82) the Hoare annotation is: true [2020-10-28 16:40:15,190 INFO L277 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: true [2020-10-28 16:40:15,190 INFO L274 CegarLoopResult]: For program point L59-1(line 59) no Hoare annotation was computed. [2020-10-28 16:40:15,191 INFO L277 CegarLoopResult]: At program point L78(lines 53 82) the Hoare annotation is: true [2020-10-28 16:40:15,191 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-28 16:40:15,192 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-28 16:40:15,192 INFO L277 CegarLoopResult]: At program point L67-1(lines 67 71) the Hoare annotation is: true [2020-10-28 16:40:15,192 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 448 456) the Hoare annotation is: true [2020-10-28 16:40:15,192 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 448 456) no Hoare annotation was computed. [2020-10-28 16:40:15,192 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 448 456) no Hoare annotation was computed. [2020-10-28 16:40:15,192 INFO L274 CegarLoopResult]: For program point L416-1(lines 412 423) no Hoare annotation was computed. [2020-10-28 16:40:15,192 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 412 423) the Hoare annotation is: true [2020-10-28 16:40:15,192 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 412 423) no Hoare annotation was computed. [2020-10-28 16:40:15,193 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 110 116) no Hoare annotation was computed. [2020-10-28 16:40:15,193 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 110 116) the Hoare annotation is: true [2020-10-28 16:40:15,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:40:15,194 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 16:40:15,194 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:40:15,194 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:40:15,194 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2020-10-28 16:40:15,194 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 400 407) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:40:15,194 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 400 407) no Hoare annotation was computed. [2020-10-28 16:40:15,194 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 424 435) no Hoare annotation was computed. [2020-10-28 16:40:15,194 INFO L274 CegarLoopResult]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2020-10-28 16:40:15,194 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 424 435) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:40:15,194 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2020-10-28 16:40:15,195 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-28 16:40:15,195 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2020-10-28 16:40:15,195 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2020-10-28 16:40:15,195 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 900 924) the Hoare annotation is: true [2020-10-28 16:40:15,195 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 900 924) no Hoare annotation was computed. [2020-10-28 16:40:15,195 INFO L270 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:40:15,195 INFO L274 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-10-28 16:40:15,195 INFO L277 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-10-28 16:40:15,195 INFO L274 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-10-28 16:40:15,195 INFO L274 CegarLoopResult]: For program point L908(lines 908 921) no Hoare annotation was computed. [2020-10-28 16:40:15,195 INFO L274 CegarLoopResult]: For program point L908-1(lines 900 924) no Hoare annotation was computed. [2020-10-28 16:40:15,196 INFO L277 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: true [2020-10-28 16:40:15,196 INFO L274 CegarLoopResult]: For program point L906-1(line 906) no Hoare annotation was computed. [2020-10-28 16:40:15,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:40:15 BoogieIcfgContainer [2020-10-28 16:40:15,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:40:15,218 INFO L168 Benchmark]: Toolchain (without parser) took 41072.95 ms. Allocated memory was 153.1 MB in the beginning and 607.1 MB in the end (delta: 454.0 MB). Free memory was 127.6 MB in the beginning and 345.9 MB in the end (delta: -218.2 MB). Peak memory consumption was 360.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:15,219 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 153.1 MB. Free memory is still 128.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:40:15,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.66 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 106.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:15,221 INFO L168 Benchmark]: Boogie Preprocessor took 103.72 ms. Allocated memory is still 153.1 MB. Free memory was 106.2 MB in the beginning and 102.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:15,222 INFO L168 Benchmark]: RCFGBuilder took 1420.35 ms. Allocated memory is still 153.1 MB. Free memory was 102.3 MB in the beginning and 55.4 MB in the end (delta: 46.9 MB). Peak memory consumption was 47.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:15,222 INFO L168 Benchmark]: TraceAbstraction took 38943.64 ms. Allocated memory was 153.1 MB in the beginning and 607.1 MB in the end (delta: 454.0 MB). Free memory was 54.9 MB in the beginning and 345.9 MB in the end (delta: -290.9 MB). Peak memory consumption was 287.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:15,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 153.1 MB. Free memory is still 128.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 589.66 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 106.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 103.72 ms. Allocated memory is still 153.1 MB. Free memory was 106.2 MB in the beginning and 102.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1420.35 ms. Allocated memory is still 153.1 MB. Free memory was 102.3 MB in the beginning and 55.4 MB in the end (delta: 46.9 MB). Peak memory consumption was 47.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38943.64 ms. Allocated memory was 153.1 MB in the beginning and 607.1 MB in the end (delta: 454.0 MB). Free memory was 54.9 MB in the beginning and 345.9 MB in the end (delta: -290.9 MB). Peak memory consumption was 287.1 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: 803]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 796]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 842]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 849]: 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: 167]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 405 SDtfs, 483 SDslu, 189 SDs, 0 SdLazy, 863 SolverSat, 286 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 244 PreInvPairs, 277 NumberOfFragments, 772 HoareAnnotationTreeSize, 244 FomulaSimplifications, 16782 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 55 FomulaSimplificationsInter, 8835 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 59026 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...