/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_spec5_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:05:30,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:05:30,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:05:30,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:05:30,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:05:30,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:05:30,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:05:30,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:05:30,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:05:30,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:05:30,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:05:30,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:05:30,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:05:30,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:05:30,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:05:30,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:05:30,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:05:30,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:05:30,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:05:30,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:05:30,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:05:30,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:05:30,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:05:30,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:05:30,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:05:30,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:05:30,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:05:30,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:05:30,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:05:30,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:05:30,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:05:30,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:05:30,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:05:30,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:05:30,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:05:30,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:05:30,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:05:30,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:05:30,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:05:30,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:05:30,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:05:30,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:05:30,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:05:30,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:05:30,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:05:30,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:05:30,649 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:05:30,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:05:30,649 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:05:30,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:05:30,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:05:30,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:05:30,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:05:30,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:05:30,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:05:30,651 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:05:30,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:05:30,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:05:30,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:05:30,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:05:30,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:05:30,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:05:30,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:05:30,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:05:30,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:05:30,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:05:30,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:05:30,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:05:30,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:05:30,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:05:30,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:05:30,655 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:05:31,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:05:31,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:05:31,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:05:31,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:05:31,079 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:05:31,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product11.cil.c [2020-10-28 17:05:31,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9a76990b/2d77061e1a514d0dba8db047555be549/FLAG4b85049dc [2020-10-28 17:05:31,900 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:05:31,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product11.cil.c [2020-10-28 17:05:31,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9a76990b/2d77061e1a514d0dba8db047555be549/FLAG4b85049dc [2020-10-28 17:05:32,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9a76990b/2d77061e1a514d0dba8db047555be549 [2020-10-28 17:05:32,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:05:32,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:05:32,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:32,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:05:32,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:05:32,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:32" (1/1) ... [2020-10-28 17:05:32,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2822bfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32, skipping insertion in model container [2020-10-28 17:05:32,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:32" (1/1) ... [2020-10-28 17:05:32,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:05:32,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:05:32,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:32,763 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:05:32,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:32,912 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:05:32,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32 WrapperNode [2020-10-28 17:05:32,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:32,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:05:32,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:05:32,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:05:32,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32" (1/1) ... [2020-10-28 17:05:32,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32" (1/1) ... [2020-10-28 17:05:32,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32" (1/1) ... [2020-10-28 17:05:32,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32" (1/1) ... [2020-10-28 17:05:32,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32" (1/1) ... [2020-10-28 17:05:33,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32" (1/1) ... [2020-10-28 17:05:33,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32" (1/1) ... [2020-10-28 17:05:33,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:05:33,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:05:33,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:05:33,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:05:33,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32" (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 17:05:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:05:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:05:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:05:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:05:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:05:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:05:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:05:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:05:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:05:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:05:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:05:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:05:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:05:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:05:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:05:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:05:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-28 17:05:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:05:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:05:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:05:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:05:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:05:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 17:05:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:05:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:05:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:05:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:05:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:33,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:33,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:05:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:05:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:05:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:05:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:05:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:05:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:05:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:05:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:05:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:05:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:05:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:05:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:05:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:05:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:05:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:05:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:05:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:05:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:05:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:05:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 17:05:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:05:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-28 17:05:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:05:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:05:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:05:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:05:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:05:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:05:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:05:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:05:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:05:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:05:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:05:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:05:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:05:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:05:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:05:34,545 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:05:34,546 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:05:34,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:05:34 BoogieIcfgContainer [2020-10-28 17:05:34,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:05:34,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:05:34,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:05:34,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:05:34,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:05:32" (1/3) ... [2020-10-28 17:05:34,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f33a5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:05:34, skipping insertion in model container [2020-10-28 17:05:34,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:32" (2/3) ... [2020-10-28 17:05:34,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f33a5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:05:34, skipping insertion in model container [2020-10-28 17:05:34,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:05:34" (3/3) ... [2020-10-28 17:05:34,558 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2020-10-28 17:05:34,571 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:05:34,577 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:05:34,609 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:05:34,638 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:05:34,638 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:05:34,638 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:05:34,638 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:05:34,639 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:05:34,639 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:05:34,639 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:05:34,639 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:05:34,662 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-10-28 17:05:34,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:05:34,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:34,673 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:05:34,674 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 17:05:34,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:34,681 INFO L82 PathProgramCache]: Analyzing trace with hash -460382999, now seen corresponding path program 1 times [2020-10-28 17:05:34,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:34,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712223916] [2020-10-28 17:05:34,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:36,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:36,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:37,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:05:40,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:05:40,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:05:40,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:05:40,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 17:05:40,613 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:05:40,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:40,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 17:05:40,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:05:40,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:05:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:40,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:05:40,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:40,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:05:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:40,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:40,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:40,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:05:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:40,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:40,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:40,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:05:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:40,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:40,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:40,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:40,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:05:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:40,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:40,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:40,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:05:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:05:40,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:05:40,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:05:40,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:40,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:40,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:40,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:40,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:05:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:40,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:40,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:40,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 17:05:40,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:05:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:40,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:40,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:40,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:40,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:40,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:40,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:40,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-28 17:05:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:05:40,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712223916] [2020-10-28 17:05:40,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:05:40,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:05:40,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472389458] [2020-10-28 17:05:40,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:05:40,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:05:40,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:05:40,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:05:40,955 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2020-10-28 17:05:42,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:05:42,169 INFO L93 Difference]: Finished difference Result 231 states and 303 transitions. [2020-10-28 17:05:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:05:42,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:05:42,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:05:42,185 INFO L225 Difference]: With dead ends: 231 [2020-10-28 17:05:42,185 INFO L226 Difference]: Without dead ends: 128 [2020-10-28 17:05:42,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:05:42,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-28 17:05:42,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 101. [2020-10-28 17:05:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-28 17:05:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-10-28 17:05:42,280 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 60 [2020-10-28 17:05:42,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:05:42,281 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-10-28 17:05:42,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:05:42,281 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-10-28 17:05:42,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 17:05:42,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:42,285 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:05:42,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:05:42,286 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 17:05:42,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:42,286 INFO L82 PathProgramCache]: Analyzing trace with hash 842261161, now seen corresponding path program 1 times [2020-10-28 17:05:42,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:42,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29588461] [2020-10-28 17:05:42,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:42,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:42,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:43,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:43,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:44,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 17:05:47,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:05:47,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:05:47,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:05:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:05:47,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:47,816 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:05:47,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:47,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 17:05:47,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:47,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:05:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:47,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:47,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:05:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:47,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:47,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:05:47,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:05:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:47,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:47,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:47,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:05:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:47,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:47,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:47,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:05:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:47,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:47,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:05:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:05:47,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:47,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:05:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:47,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:47,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:47,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:47,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:05:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:47,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:47,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:47,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:05:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:47,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:47,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:47,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:47,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:47,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:47,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:47,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:47,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:47,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:47,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:05:47,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29588461] [2020-10-28 17:05:47,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:05:47,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:05:47,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406708974] [2020-10-28 17:05:47,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:05:47,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:05:47,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:05:47,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:05:47,976 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 5 states. [2020-10-28 17:05:48,731 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:05:49,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:05:49,480 INFO L93 Difference]: Finished difference Result 164 states and 201 transitions. [2020-10-28 17:05:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:05:49,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 17:05:49,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:05:49,483 INFO L225 Difference]: With dead ends: 164 [2020-10-28 17:05:49,483 INFO L226 Difference]: Without dead ends: 118 [2020-10-28 17:05:49,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:05:49,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-28 17:05:49,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 92. [2020-10-28 17:05:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-28 17:05:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 105 transitions. [2020-10-28 17:05:49,534 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 105 transitions. Word has length 61 [2020-10-28 17:05:49,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:05:49,534 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 105 transitions. [2020-10-28 17:05:49,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:05:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2020-10-28 17:05:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 17:05:49,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:49,545 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:05:49,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:05:49,545 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 17:05:49,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:49,546 INFO L82 PathProgramCache]: Analyzing trace with hash -790757768, now seen corresponding path program 1 times [2020-10-28 17:05:49,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:49,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613677978] [2020-10-28 17:05:49,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:49,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:50,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-28 17:05:54,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:05:54,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4637 [2020-10-28 17:05:54,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:05:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 17:05:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,729 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:05:54,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:54,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 17:05:54,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:05:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:05:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:54,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:54,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:05:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:05:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:54,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:54,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:05:54,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:05:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:54,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:05:54,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:54,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:54,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:05:54,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:05:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:54,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:54,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:05:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:05:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:54,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:54,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:54,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:54,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:05:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:05:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:05:54,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:05:54,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:05:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:54,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:54,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:05:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:54,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:54,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:54,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:05:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:54,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:54,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:54,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:54,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:54,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:54,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:05:54,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613677978] [2020-10-28 17:05:54,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:05:54,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:05:54,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996266060] [2020-10-28 17:05:54,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:05:54,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:05:54,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:05:54,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:05:54,999 INFO L87 Difference]: Start difference. First operand 92 states and 105 transitions. Second operand 5 states. [2020-10-28 17:05:55,485 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:05:56,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:05:56,883 INFO L93 Difference]: Finished difference Result 250 states and 309 transitions. [2020-10-28 17:05:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:05:56,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-10-28 17:05:56,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:05:56,888 INFO L225 Difference]: With dead ends: 250 [2020-10-28 17:05:56,888 INFO L226 Difference]: Without dead ends: 186 [2020-10-28 17:05:56,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:05:56,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-10-28 17:05:56,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 143. [2020-10-28 17:05:56,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-28 17:05:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-10-28 17:05:56,993 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 65 [2020-10-28 17:05:56,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:05:56,996 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-10-28 17:05:56,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:05:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-10-28 17:05:56,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-28 17:05:56,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:56,999 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:05:56,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:05:57,000 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 17:05:57,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:57,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1598096023, now seen corresponding path program 1 times [2020-10-28 17:05:57,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:57,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613780836] [2020-10-28 17:05:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:57,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:57,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:57,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:59,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:59,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-28 17:05:59,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:05:59,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2696 [2020-10-28 17:05:59,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:59,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:59,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:05:59,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 17:05:59,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 17:05:59,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:00,286 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:00,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:00,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 17:06:00,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:00,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:00,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:00,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:00,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:00,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:00,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:00,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:00,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:00,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:00,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:00,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:00,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:00,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:00,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:00,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:06:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:00,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:06:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:06:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:06:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:06:00,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:06:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 17:06:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:00,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:00,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:00,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 17:06:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:00,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:00,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:00,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 17:06:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:00,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:00,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:00,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:00,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:06:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:00,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:00,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613780836] [2020-10-28 17:06:00,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:00,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 17:06:00,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184719991] [2020-10-28 17:06:00,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:06:00,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:00,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:06:00,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:06:00,511 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 10 states. [2020-10-28 17:06:01,166 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:06:02,251 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:02,732 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:03,340 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 17:06:04,126 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:06:04,630 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:06:05,151 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 17:06:05,622 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 17:06:06,129 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-28 17:06:06,649 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 17:06:07,872 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:06:08,321 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-28 17:06:08,780 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-28 17:06:09,295 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:06:09,908 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 17:06:10,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:10,471 INFO L93 Difference]: Finished difference Result 467 states and 596 transitions. [2020-10-28 17:06:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-28 17:06:10,472 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-10-28 17:06:10,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:10,473 INFO L225 Difference]: With dead ends: 467 [2020-10-28 17:06:10,473 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:06:10,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812 [2020-10-28 17:06:10,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:06:10,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:06:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:06:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:06:10,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-10-28 17:06:10,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:10,479 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:06:10,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:06:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:06:10,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:06:10,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:06:10,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:06:14,269 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2020-10-28 17:06:14,868 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 18 [2020-10-28 17:06:15,880 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-10-28 17:06:16,199 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-28 17:06:16,513 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 26 [2020-10-28 17:06:16,841 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-28 17:06:17,146 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-10-28 17:06:17,468 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-28 17:06:17,801 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-28 17:06:18,794 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 20 [2020-10-28 17:06:19,113 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-28 17:06:19,793 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 20 [2020-10-28 17:06:20,171 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:20,908 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 7 [2020-10-28 17:06:21,239 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-28 17:06:21,554 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-28 17:06:22,025 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-10-28 17:06:22,900 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 16 [2020-10-28 17:06:23,214 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 26 [2020-10-28 17:06:23,544 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-28 17:06:23,848 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-28 17:06:24,516 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 20 [2020-10-28 17:06:24,853 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-28 17:06:25,544 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 3 [2020-10-28 17:06:26,375 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 16 [2020-10-28 17:06:27,006 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 7 [2020-10-28 17:06:27,683 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 3 [2020-10-28 17:06:28,008 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-28 17:06:28,351 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-28 17:06:28,356 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:06:28,357 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:06:28,357 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:06:28,357 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:06:28,357 INFO L274 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-10-28 17:06:28,357 INFO L274 CegarLoopResult]: For program point L575-1(lines 575 579) no Hoare annotation was computed. [2020-10-28 17:06:28,358 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-28 17:06:28,358 INFO L274 CegarLoopResult]: For program point L569-2(lines 569 590) no Hoare annotation was computed. [2020-10-28 17:06:28,358 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 544 599) no Hoare annotation was computed. [2020-10-28 17:06:28,358 INFO L274 CegarLoopResult]: For program point L591(lines 568 592) no Hoare annotation was computed. [2020-10-28 17:06:28,358 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 544 599) no Hoare annotation was computed. [2020-10-28 17:06:28,358 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 544 599) no Hoare annotation was computed. [2020-10-28 17:06:28,358 INFO L274 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-10-28 17:06:28,359 INFO L274 CegarLoopResult]: For program point L632-1(lines 632 636) no Hoare annotation was computed. [2020-10-28 17:06:28,359 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 600 659) no Hoare annotation was computed. [2020-10-28 17:06:28,359 INFO L274 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-10-28 17:06:28,359 INFO L274 CegarLoopResult]: For program point L626-2(lines 626 651) no Hoare annotation was computed. [2020-10-28 17:06:28,359 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 600 659) no Hoare annotation was computed. [2020-10-28 17:06:28,359 INFO L274 CegarLoopResult]: For program point L652(lines 625 653) no Hoare annotation was computed. [2020-10-28 17:06:28,359 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 600 659) no Hoare annotation was computed. [2020-10-28 17:06:28,360 INFO L274 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-10-28 17:06:28,360 INFO L274 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-10-28 17:06:28,360 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 259 265) the Hoare annotation is: true [2020-10-28 17:06:28,360 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 259 265) no Hoare annotation was computed. [2020-10-28 17:06:28,360 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 266 274) no Hoare annotation was computed. [2020-10-28 17:06:28,360 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 266 274) the Hoare annotation is: true [2020-10-28 17:06:28,360 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 266 274) no Hoare annotation was computed. [2020-10-28 17:06:28,360 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 859 866) the Hoare annotation is: (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-10-28 17:06:28,360 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 859 866) no Hoare annotation was computed. [2020-10-28 17:06:28,360 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 859 866) no Hoare annotation was computed. [2020-10-28 17:06:28,360 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 867 876) the Hoare annotation is: (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) [2020-10-28 17:06:28,361 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 867 876) no Hoare annotation was computed. [2020-10-28 17:06:28,361 INFO L274 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-10-28 17:06:28,361 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 867 876) no Hoare annotation was computed. [2020-10-28 17:06:28,361 INFO L270 CegarLoopResult]: At program point L892(line 892) the Hoare annotation is: (or (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-10-28 17:06:28,361 INFO L274 CegarLoopResult]: For program point L890(lines 890 896) no Hoare annotation was computed. [2020-10-28 17:06:28,361 INFO L274 CegarLoopResult]: For program point L889(lines 889 899) no Hoare annotation was computed. [2020-10-28 17:06:28,361 INFO L277 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: true [2020-10-28 17:06:28,361 INFO L274 CegarLoopResult]: For program point L887-1(line 887) no Hoare annotation was computed. [2020-10-28 17:06:28,361 INFO L274 CegarLoopResult]: For program point L885(lines 885 902) no Hoare annotation was computed. [2020-10-28 17:06:28,362 INFO L274 CegarLoopResult]: For program point L885-1(lines 877 905) no Hoare annotation was computed. [2020-10-28 17:06:28,362 INFO L277 CegarLoopResult]: At program point L883(line 883) the Hoare annotation is: true [2020-10-28 17:06:28,362 INFO L274 CegarLoopResult]: For program point L883-1(line 883) no Hoare annotation was computed. [2020-10-28 17:06:28,362 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 877 905) the Hoare annotation is: true [2020-10-28 17:06:28,362 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 877 905) no Hoare annotation was computed. [2020-10-28 17:06:28,362 INFO L274 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-10-28 17:06:28,362 INFO L270 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-28 17:06:28,362 INFO L270 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-28 17:06:28,363 INFO L270 CegarLoopResult]: At program point L223-1(line 223) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-28 17:06:28,363 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 217 239) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-28 17:06:28,363 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 217 239) no Hoare annotation was computed. [2020-10-28 17:06:28,363 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 217 239) no Hoare annotation was computed. [2020-10-28 17:06:28,363 INFO L270 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-28 17:06:28,363 INFO L270 CegarLoopResult]: At program point L229-1(line 229) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point L227(lines 227 234) no Hoare annotation was computed. [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point L227-1(lines 227 234) no Hoare annotation was computed. [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 170 193) no Hoare annotation was computed. [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 170 193) no Hoare annotation was computed. [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 170 193) no Hoare annotation was computed. [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-28 17:06:28,364 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-28 17:06:28,365 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 409 423) no Hoare annotation was computed. [2020-10-28 17:06:28,366 INFO L270 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: (and (= |old(~systemActive~0)| ~systemActive~0) (or (<= 1 ~switchedOnBeforeTS~0) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (<= (+ ~switchedOnBeforeTS~0 1) 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:06:28,366 INFO L274 CegarLoopResult]: For program point L413(lines 413 419) no Hoare annotation was computed. [2020-10-28 17:06:28,366 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 409 423) the Hoare annotation is: (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:06:28,366 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 409 423) no Hoare annotation was computed. [2020-10-28 17:06:28,366 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 319 326) no Hoare annotation was computed. [2020-10-28 17:06:28,366 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 319 326) no Hoare annotation was computed. [2020-10-28 17:06:28,366 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 319 326) no Hoare annotation was computed. [2020-10-28 17:06:28,366 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 364 372) no Hoare annotation was computed. [2020-10-28 17:06:28,366 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 364 372) the Hoare annotation is: true [2020-10-28 17:06:28,367 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 364 372) no Hoare annotation was computed. [2020-10-28 17:06:28,367 INFO L274 CegarLoopResult]: For program point L380(lines 380 388) no Hoare annotation was computed. [2020-10-28 17:06:28,367 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 388) no Hoare annotation was computed. [2020-10-28 17:06:28,367 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 17:06:28,367 INFO L274 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-10-28 17:06:28,367 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 373 408) no Hoare annotation was computed. [2020-10-28 17:06:28,367 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-10-28 17:06:28,367 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 373 408) no Hoare annotation was computed. [2020-10-28 17:06:28,368 INFO L274 CegarLoopResult]: For program point L392-2(lines 392 400) no Hoare annotation was computed. [2020-10-28 17:06:28,368 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 373 408) no Hoare annotation was computed. [2020-10-28 17:06:28,368 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 252 258) no Hoare annotation was computed. [2020-10-28 17:06:28,368 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 252 258) the Hoare annotation is: true [2020-10-28 17:06:28,368 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 498 543) no Hoare annotation was computed. [2020-10-28 17:06:28,368 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 498 543) no Hoare annotation was computed. [2020-10-28 17:06:28,368 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 498 543) no Hoare annotation was computed. [2020-10-28 17:06:28,368 INFO L274 CegarLoopResult]: For program point L831(lines 831 838) no Hoare annotation was computed. [2020-10-28 17:06:28,368 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 811 856) no Hoare annotation was computed. [2020-10-28 17:06:28,369 INFO L274 CegarLoopResult]: For program point L825(lines 825 845) no Hoare annotation was computed. [2020-10-28 17:06:28,369 INFO L274 CegarLoopResult]: For program point L825-1(lines 825 845) no Hoare annotation was computed. [2020-10-28 17:06:28,369 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 835 836) no Hoare annotation was computed. [2020-10-28 17:06:28,369 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 842 843) no Hoare annotation was computed. [2020-10-28 17:06:28,369 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 811 856) no Hoare annotation was computed. [2020-10-28 17:06:28,369 INFO L274 CegarLoopResult]: For program point L842(lines 842 843) no Hoare annotation was computed. [2020-10-28 17:06:28,369 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 811 856) no Hoare annotation was computed. [2020-10-28 17:06:28,369 INFO L274 CegarLoopResult]: For program point L835(lines 835 836) no Hoare annotation was computed. [2020-10-28 17:06:28,370 INFO L270 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (= 1 ~systemActive~0) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-28 17:06:28,370 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 203 213) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-28 17:06:28,370 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 203 213) no Hoare annotation was computed. [2020-10-28 17:06:28,370 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 203 213) no Hoare annotation was computed. [2020-10-28 17:06:28,370 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 353 363) no Hoare annotation was computed. [2020-10-28 17:06:28,370 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 353 363) no Hoare annotation was computed. [2020-10-28 17:06:28,370 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 353 363) no Hoare annotation was computed. [2020-10-28 17:06:28,370 INFO L274 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-10-28 17:06:28,370 INFO L274 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-10-28 17:06:28,371 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 345 352) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-10-28 17:06:28,371 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 345 352) no Hoare annotation was computed. [2020-10-28 17:06:28,371 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 345 352) no Hoare annotation was computed. [2020-10-28 17:06:28,371 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 312 318) no Hoare annotation was computed. [2020-10-28 17:06:28,371 INFO L277 CegarLoopResult]: At program point processEnvironmentFINAL(lines 312 318) the Hoare annotation is: true [2020-10-28 17:06:28,371 INFO L270 CegarLoopResult]: At program point testENTRY(lines 425 490) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:06:28,371 INFO L270 CegarLoopResult]: At program point L473(line 473) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)))) [2020-10-28 17:06:28,371 INFO L274 CegarLoopResult]: For program point L471(lines 471 477) no Hoare annotation was computed. [2020-10-28 17:06:28,371 INFO L274 CegarLoopResult]: For program point testFINAL(lines 425 490) no Hoare annotation was computed. [2020-10-28 17:06:28,372 INFO L270 CegarLoopResult]: At program point L471-1(lines 465 478) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse0) (and .cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)))) [2020-10-28 17:06:28,372 INFO L274 CegarLoopResult]: For program point L436(lines 435 482) no Hoare annotation was computed. [2020-10-28 17:06:28,372 INFO L274 CegarLoopResult]: For program point L465(lines 465 478) no Hoare annotation was computed. [2020-10-28 17:06:28,372 INFO L270 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse0 (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)))) [2020-10-28 17:06:28,372 INFO L274 CegarLoopResult]: For program point L455(lines 455 461) no Hoare annotation was computed. [2020-10-28 17:06:28,372 INFO L274 CegarLoopResult]: For program point L455-1(lines 455 461) no Hoare annotation was computed. [2020-10-28 17:06:28,372 INFO L270 CegarLoopResult]: At program point L480(lines 435 482) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)))) [2020-10-28 17:06:28,372 INFO L270 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)))) [2020-10-28 17:06:28,373 INFO L274 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-10-28 17:06:28,373 INFO L274 CegarLoopResult]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2020-10-28 17:06:28,373 INFO L274 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-10-28 17:06:28,373 INFO L270 CegarLoopResult]: At program point L483(lines 434 484) the Hoare annotation is: (not (= |old(~systemActive~0)| 1)) [2020-10-28 17:06:28,373 INFO L274 CegarLoopResult]: For program point testEXIT(lines 425 490) no Hoare annotation was computed. [2020-10-28 17:06:28,373 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 789 790) no Hoare annotation was computed. [2020-10-28 17:06:28,373 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 796 797) no Hoare annotation was computed. [2020-10-28 17:06:28,373 INFO L274 CegarLoopResult]: For program point L796(lines 796 797) no Hoare annotation was computed. [2020-10-28 17:06:28,373 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 765 810) no Hoare annotation was computed. [2020-10-28 17:06:28,373 INFO L274 CegarLoopResult]: For program point L789(lines 789 790) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 765 810) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point L785(lines 785 792) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 765 810) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point L779(lines 779 799) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point L779-1(lines 779 799) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 242 251) no Hoare annotation was computed. [2020-10-28 17:06:28,374 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 242 251) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 242 251) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 662 764) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point L727-1(line 727) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point L686(lines 686 690) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point L750(lines 750 761) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 662 764) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point L711-2(lines 711 731) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point L732(lines 710 733) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point L691(lines 691 707) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 662 764) no Hoare annotation was computed. [2020-10-28 17:06:28,375 INFO L274 CegarLoopResult]: For program point L751(lines 751 758) no Hoare annotation was computed. [2020-10-28 17:06:28,376 INFO L274 CegarLoopResult]: For program point L712(lines 711 731) no Hoare annotation was computed. [2020-10-28 17:06:28,376 INFO L274 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-10-28 17:06:28,376 INFO L274 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-10-28 17:06:28,376 INFO L274 CegarLoopResult]: For program point L708(lines 708 749) no Hoare annotation was computed. [2020-10-28 17:06:28,376 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:28,376 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~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#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~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#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~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#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~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.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 17:06:28,376 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point L335(lines 335 341) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 328 344) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 328 344) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point L339-1(lines 328 344) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-10-28 17:06:28,377 INFO L274 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-10-28 17:06:28,378 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (not (= 1 ~systemActive~0)) .cse0))) [2020-10-28 17:06:28,378 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-10-28 17:06:28,378 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:28,378 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:06:28,378 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:28,378 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 86 94) no Hoare annotation was computed. [2020-10-28 17:06:28,378 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-10-28 17:06:28,378 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-10-28 17:06:28,378 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 285 311) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-10-28 17:06:28,378 INFO L270 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (<= 1 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (<= (+ ~switchedOnBeforeTS~0 1) 0)) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2020-10-28 17:06:28,378 INFO L270 CegarLoopResult]: At program point L299(lines 299 305) the Hoare annotation is: (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (<= 1 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (<= (+ ~switchedOnBeforeTS~0 1) 0)) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2020-10-28 17:06:28,379 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 285 311) no Hoare annotation was computed. [2020-10-28 17:06:28,379 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 285 311) no Hoare annotation was computed. [2020-10-28 17:06:28,379 INFO L270 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2020-10-28 17:06:28,379 INFO L274 CegarLoopResult]: For program point L292(lines 288 310) no Hoare annotation was computed. [2020-10-28 17:06:28,379 INFO L274 CegarLoopResult]: For program point L290(lines 288 310) no Hoare annotation was computed. [2020-10-28 17:06:28,379 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-28 17:06:28,379 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 139 168) no Hoare annotation was computed. [2020-10-28 17:06:28,379 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 139 168) the Hoare annotation is: true [2020-10-28 17:06:28,379 INFO L274 CegarLoopResult]: For program point L153(lines 153 157) no Hoare annotation was computed. [2020-10-28 17:06:28,379 INFO L277 CegarLoopResult]: At program point L153-1(lines 153 157) the Hoare annotation is: true [2020-10-28 17:06:28,380 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 17:06:28,380 INFO L277 CegarLoopResult]: At program point L149-2(lines 149 163) the Hoare annotation is: true [2020-10-28 17:06:28,380 INFO L277 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: true [2020-10-28 17:06:28,380 INFO L274 CegarLoopResult]: For program point L145-1(line 145) no Hoare annotation was computed. [2020-10-28 17:06:28,380 INFO L277 CegarLoopResult]: At program point L164(lines 139 168) the Hoare annotation is: true [2020-10-28 17:06:28,380 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-10-28 17:06:28,380 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-10-28 17:06:28,380 INFO L274 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-10-28 17:06:28,380 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 194 200) no Hoare annotation was computed. [2020-10-28 17:06:28,380 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 194 200) the Hoare annotation is: true [2020-10-28 17:06:28,381 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:28,381 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= 1 ~systemActive~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2020-10-28 17:06:28,381 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:06:28,381 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:28,381 INFO L274 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-10-28 17:06:28,381 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-10-28 17:06:28,381 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 1 ~systemActive~0))) (or (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2020-10-28 17:06:28,381 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 128 135) no Hoare annotation was computed. [2020-10-28 17:06:28,382 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 128 135) the Hoare annotation is: true [2020-10-28 17:06:28,382 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 17:06:28,382 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 128 135) no Hoare annotation was computed. [2020-10-28 17:06:28,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:06:28 BoogieIcfgContainer [2020-10-28 17:06:28,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:06:28,403 INFO L168 Benchmark]: Toolchain (without parser) took 56171.86 ms. Allocated memory was 155.2 MB in the beginning and 602.9 MB in the end (delta: 447.7 MB). Free memory was 129.9 MB in the beginning and 489.7 MB in the end (delta: -359.8 MB). Peak memory consumption was 365.5 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:28,403 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 128.0 MB in the end (delta: 102.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:06:28,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.54 ms. Allocated memory is still 155.2 MB. Free memory was 129.3 MB in the beginning and 108.7 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:28,405 INFO L168 Benchmark]: Boogie Preprocessor took 121.85 ms. Allocated memory is still 155.2 MB. Free memory was 108.7 MB in the beginning and 104.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:28,406 INFO L168 Benchmark]: RCFGBuilder took 1511.45 ms. Allocated memory is still 155.2 MB. Free memory was 104.7 MB in the beginning and 53.1 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:28,407 INFO L168 Benchmark]: TraceAbstraction took 53849.94 ms. Allocated memory was 155.2 MB in the beginning and 602.9 MB in the end (delta: 447.7 MB). Free memory was 52.6 MB in the beginning and 489.7 MB in the end (delta: -437.1 MB). Peak memory consumption was 287.4 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:28,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 128.0 MB in the end (delta: 102.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 676.54 ms. Allocated memory is still 155.2 MB. Free memory was 129.3 MB in the beginning and 108.7 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 121.85 ms. Allocated memory is still 155.2 MB. Free memory was 108.7 MB in the beginning and 104.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1511.45 ms. Allocated memory is still 155.2 MB. Free memory was 104.7 MB in the beginning and 53.1 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 53849.94 ms. Allocated memory was 155.2 MB in the beginning and 602.9 MB in the end (delta: 447.7 MB). Free memory was 52.6 MB in the beginning and 489.7 MB in the end (delta: -437.1 MB). Peak memory consumption was 287.4 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: 796]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 789]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 835]: 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((switchedOnBeforeTS <= pumpRunning && splverifierCounter <= 0) && pumpRunning <= switchedOnBeforeTS)) || (((((\old(systemActive) == systemActive && \old(waterLevel) == waterLevel) && splverifierCounter <= 0) && pumpRunning == \old(pumpRunning)) && switchedOnBeforeTS == \old(switchedOnBeforeTS)) && \old(methaneLevelCritical) == methaneLevelCritical) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 229 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 450 SDtfs, 471 SDslu, 385 SDs, 0 SdLazy, 1748 SolverSat, 340 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 96 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 269 PreInvPairs, 325 NumberOfFragments, 868 HoareAnnotationTreeSize, 269 FomulaSimplifications, 24952 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 48 FomulaSimplificationsInter, 19271 FormulaSimplificationTreeSizeReductionInter, 14.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 79676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...