/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_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:55:12,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:55:12,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:55:12,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:55:12,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:55:12,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:55:12,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:55:12,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:55:12,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:55:12,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:55:12,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:55:12,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:55:12,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:55:12,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:55:12,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:55:12,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:55:12,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:55:12,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:55:12,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:55:12,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:55:12,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:55:12,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:55:12,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:55:12,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:55:12,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:55:12,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:55:12,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:55:12,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:55:12,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:55:12,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:55:12,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:55:12,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:55:12,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:55:12,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:55:12,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:55:12,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:55:12,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:55:12,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:55:12,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:55:12,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:55:12,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:55:12,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:55:13,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:55:13,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:55:13,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:55:13,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:55:13,006 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:55:13,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:55:13,007 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:55:13,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:55:13,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:55:13,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:55:13,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:55:13,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:55:13,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:55:13,008 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:55:13,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:55:13,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:55:13,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:55:13,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:55:13,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:55:13,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:55:13,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:55:13,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:55:13,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:55:13,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:55:13,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:55:13,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:55:13,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:55:13,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:55:13,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:55:13,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:55:13,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:55:13,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:55:13,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:55:13,471 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:55:13,471 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:55:13,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-10-28 16:55:13,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e84935f7/da5e29096ad64a71881f866ad125fbc3/FLAGecf685707 [2020-10-28 16:55:14,220 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:55:14,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-10-28 16:55:14,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e84935f7/da5e29096ad64a71881f866ad125fbc3/FLAGecf685707 [2020-10-28 16:55:14,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e84935f7/da5e29096ad64a71881f866ad125fbc3 [2020-10-28 16:55:14,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:55:14,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:55:14,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:55:14,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:55:14,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:55:14,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:55:14" (1/1) ... [2020-10-28 16:55:14,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e160d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:14, skipping insertion in model container [2020-10-28 16:55:14,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:55:14" (1/1) ... [2020-10-28 16:55:14,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:55:14,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:55:15,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:55:15,032 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:55:15,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:55:15,151 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:55:15,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15 WrapperNode [2020-10-28 16:55:15,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:55:15,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:55:15,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:55:15,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:55:15,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15" (1/1) ... [2020-10-28 16:55:15,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15" (1/1) ... [2020-10-28 16:55:15,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15" (1/1) ... [2020-10-28 16:55:15,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15" (1/1) ... [2020-10-28 16:55:15,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15" (1/1) ... [2020-10-28 16:55:15,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15" (1/1) ... [2020-10-28 16:55:15,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15" (1/1) ... [2020-10-28 16:55:15,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:55:15,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:55:15,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:55:15,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:55:15,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:55:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:55:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:55:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:55:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:55:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:55:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:55:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:55:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:55:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:55:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:55:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:55:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:55:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:55:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-28 16:55:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:55:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:55:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:55:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:55:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:55:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 16:55:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:55:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:55:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:55:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:55:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:55:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:55:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:55:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 16:55:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:55:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:55:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:55:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:55:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:55:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:55:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:55:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:55:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:55:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:55:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:55:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-28 16:55:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:55:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:55:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:55:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:55:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:55:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:55:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:55:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:55:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:55:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:55:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:55:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:55:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:55:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:55:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:55:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:55:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:55:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:55:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:55:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:55:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:55:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:55:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:55:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 16:55:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:55:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:55:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:55:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-28 16:55:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:55:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:55:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 16:55:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-28 16:55:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:55:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:55:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:55:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:55:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:55:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:55:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:55:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:55:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:55:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:55:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:55:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:55:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:55:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:55:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:55:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:55:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:55:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:55:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:55:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:55:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:55:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:55:16,707 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:55:16,708 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:55:16,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:55:16 BoogieIcfgContainer [2020-10-28 16:55:16,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:55:16,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:55:16,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:55:16,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:55:16,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:55:14" (1/3) ... [2020-10-28 16:55:16,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b9329f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:55:16, skipping insertion in model container [2020-10-28 16:55:16,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:15" (2/3) ... [2020-10-28 16:55:16,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b9329f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:55:16, skipping insertion in model container [2020-10-28 16:55:16,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:55:16" (3/3) ... [2020-10-28 16:55:16,719 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-10-28 16:55:16,731 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:55:16,737 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:55:16,750 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:55:16,778 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:55:16,778 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:55:16,778 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:55:16,779 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:55:16,779 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:55:16,779 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:55:16,779 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:55:16,779 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:55:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-10-28 16:55:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:55:16,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:16,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:16,813 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:55:16,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:16,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1525045945, now seen corresponding path program 1 times [2020-10-28 16:55:16,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:16,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244875152] [2020-10-28 16:55:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:17,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:19,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:19,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:55:19,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:55:19,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2664 [2020-10-28 16:55:19,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:19,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:55:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:55:20,258 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:20,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:20,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:20,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:20,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:20,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:20,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 16:55:20,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:20,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:20,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:20,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:20,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:20,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:20,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:20,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:20,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:20,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:20,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:20,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:20,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:20,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:20,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:20,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:20,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:20,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:20,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:20,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:20,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:20,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:20,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:20,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:20,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:20,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:20,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:20,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:20,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:20,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:20,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:20,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:20,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:20,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:20,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:20,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:20,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:20,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:20,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:20,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:20,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:55:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:20,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:20,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:20,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:20,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:20,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:20,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:20,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:20,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:20,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:20,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:20,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:20,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:55:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:20,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:20,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:20,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:20,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:20,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:20,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:20,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:55:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:20,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:20,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:20,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:55:20,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244875152] [2020-10-28 16:55:20,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:20,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:55:20,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211256117] [2020-10-28 16:55:20,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:55:20,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:20,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:55:20,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:55:20,468 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 3 states. [2020-10-28 16:55:21,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:21,742 INFO L93 Difference]: Finished difference Result 301 states and 391 transitions. [2020-10-28 16:55:21,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:55:21,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-28 16:55:21,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:21,758 INFO L225 Difference]: With dead ends: 301 [2020-10-28 16:55:21,758 INFO L226 Difference]: Without dead ends: 161 [2020-10-28 16:55:21,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:55:21,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-28 16:55:21,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 128. [2020-10-28 16:55:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-28 16:55:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2020-10-28 16:55:21,856 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 53 [2020-10-28 16:55:21,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:21,857 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2020-10-28 16:55:21,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:55:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2020-10-28 16:55:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 16:55:21,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:21,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:21,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:55:21,862 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:55:21,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:21,862 INFO L82 PathProgramCache]: Analyzing trace with hash 556207127, now seen corresponding path program 1 times [2020-10-28 16:55:21,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:21,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359880162] [2020-10-28 16:55:21,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:21,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:21,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:25,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:25,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 16:55:25,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:55:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3176 [2020-10-28 16:55:25,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:25,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:55:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:55:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:25,481 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:25,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:25,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:25,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:25,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:25,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:25,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 16:55:25,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:25,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:25,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:25,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:25,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:25,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:25,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:25,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:25,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:25,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:25,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:25,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:25,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:25,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:25,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:25,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:25,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:25,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:25,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:25,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:25,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:25,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:25,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:25,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:25,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:25,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:25,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:25,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:25,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:55:25,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:25,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:25,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:55:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:25,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:25,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:25,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:25,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:25,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:25,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:25,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:55:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:25,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:25,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:25,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:25,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:25,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:25,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:25,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:25,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 16:55:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:25,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:25,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:25,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:25,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:25,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:25,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:25,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:25,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:55:25,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359880162] [2020-10-28 16:55:25,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:25,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:55:25,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68294519] [2020-10-28 16:55:25,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:55:25,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:25,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:55:25,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:55:25,596 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 4 states. [2020-10-28 16:55:26,266 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:55:27,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:27,226 INFO L93 Difference]: Finished difference Result 227 states and 274 transitions. [2020-10-28 16:55:27,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:55:27,228 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-28 16:55:27,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:27,230 INFO L225 Difference]: With dead ends: 227 [2020-10-28 16:55:27,230 INFO L226 Difference]: Without dead ends: 145 [2020-10-28 16:55:27,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:55:27,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-28 16:55:27,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 119. [2020-10-28 16:55:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-28 16:55:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2020-10-28 16:55:27,279 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 54 [2020-10-28 16:55:27,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:27,279 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2020-10-28 16:55:27,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:55:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2020-10-28 16:55:27,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-28 16:55:27,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:27,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:27,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:55:27,282 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:55:27,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:27,283 INFO L82 PathProgramCache]: Analyzing trace with hash 277127144, now seen corresponding path program 1 times [2020-10-28 16:55:27,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:27,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968786503] [2020-10-28 16:55:27,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:27,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:27,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:28,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:28,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 16:55:28,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:55:28,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-28 16:55:28,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:28,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:55:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:55:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:29,096 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:29,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:29,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:29,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:29,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:29,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 16:55:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:29,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:55:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:29,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:29,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:29,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:29,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:29,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:29,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:29,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:29,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:29,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:29,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:29,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:29,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:29,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:29,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:29,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:29,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:29,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:29,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:29,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:29,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:29,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:29,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:55:29,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:29,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:29,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:29,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:29,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:55:29,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:29,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:29,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:29,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:29,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:29,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:29,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:29,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:29,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:55:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:29,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:29,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:29,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:29,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:29,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:29,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:29,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:29,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:29,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:55:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:29,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:29,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:29,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:29,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:29,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:29,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:29,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:29,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 16:55:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:29,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:29,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:29,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:29,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:29,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:29,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:29,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:29,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:55:29,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968786503] [2020-10-28 16:55:29,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:29,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:55:29,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852363052] [2020-10-28 16:55:29,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:55:29,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:29,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:55:29,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:55:29,308 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 5 states. [2020-10-28 16:55:29,792 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:55:30,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:30,786 INFO L93 Difference]: Finished difference Result 240 states and 292 transitions. [2020-10-28 16:55:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:55:30,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-28 16:55:30,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:30,789 INFO L225 Difference]: With dead ends: 240 [2020-10-28 16:55:30,789 INFO L226 Difference]: Without dead ends: 145 [2020-10-28 16:55:30,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:55:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-28 16:55:30,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 119. [2020-10-28 16:55:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-28 16:55:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2020-10-28 16:55:30,836 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 59 [2020-10-28 16:55:30,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:30,836 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2020-10-28 16:55:30,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:55:30,837 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2020-10-28 16:55:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-28 16:55:30,839 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:30,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:30,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:55:30,839 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:55:30,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:30,840 INFO L82 PathProgramCache]: Analyzing trace with hash 708582893, now seen corresponding path program 1 times [2020-10-28 16:55:30,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:30,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908057033] [2020-10-28 16:55:30,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:30,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:31,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:31,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:33,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:35,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:35,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-28 16:55:35,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:55:35,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:55:35,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:35,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:55:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:55:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 16:55:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:36,325 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:36,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:36,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 16:55:36,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:36,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:36,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:36,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:36,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:36,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:36,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:36,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:36,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:36,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:36,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:36,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:36,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:36,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:36,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:36,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:36,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:55:36,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:36,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:36,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:36,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:55:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:55:36,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:36,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:36,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:55:36,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:36,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:55:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:36,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:36,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:55:36,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 16:55:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:36,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:36,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:36,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:36,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 16:55:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:36,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:36,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:36,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:36,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 16:55:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:36,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:36,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:36,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:36,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:36,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:55:36,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:36,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:55:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:36,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:55:36,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908057033] [2020-10-28 16:55:36,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:36,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:55:36,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334172098] [2020-10-28 16:55:36,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:55:36,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:36,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:55:36,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:55:36,528 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 8 states. [2020-10-28 16:55:37,581 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:55:37,950 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:55:38,986 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-28 16:55:39,888 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 16:55:40,283 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 16:55:41,303 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:55:41,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:41,897 INFO L93 Difference]: Finished difference Result 333 states and 427 transitions. [2020-10-28 16:55:41,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 16:55:41,898 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-10-28 16:55:41,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:41,900 INFO L225 Difference]: With dead ends: 333 [2020-10-28 16:55:41,900 INFO L226 Difference]: Without dead ends: 127 [2020-10-28 16:55:41,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:55:41,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-28 16:55:41,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 110. [2020-10-28 16:55:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-28 16:55:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2020-10-28 16:55:41,937 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 67 [2020-10-28 16:55:41,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:41,938 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2020-10-28 16:55:41,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:55:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2020-10-28 16:55:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 16:55:41,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:41,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:41,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:55:41,940 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:55:41,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:41,941 INFO L82 PathProgramCache]: Analyzing trace with hash 177808399, now seen corresponding path program 1 times [2020-10-28 16:55:41,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:41,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846682866] [2020-10-28 16:55:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:41,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:42,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 16:55:43,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:55:43,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1115 [2020-10-28 16:55:43,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:55:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-28 16:55:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 16:55:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,460 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:43,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:43,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:55:43,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:43,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:43,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:43,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:43,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:43,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:43,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:55:43,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:43,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:55:43,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:43,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:43,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:43,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:55:43,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:43,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:43,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:55:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:55:43,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:55:43,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:55:43,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:55:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:55:43,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:55:43,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:55:43,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:55:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:55:43,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:43,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:55:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:55:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:43,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:43,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:43,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 16:55:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:43,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:43,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:43,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:43,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 16:55:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:43,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:55:43,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:55:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:43,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 16:55:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:43,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:43,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:43,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:43,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:43,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:43,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:43,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:43,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:43,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:55:43,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846682866] [2020-10-28 16:55:43,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:43,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:55:43,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171755914] [2020-10-28 16:55:43,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:55:43,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:43,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:55:43,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:55:43,651 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand 8 states. [2020-10-28 16:55:44,237 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:55:46,317 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-28 16:55:46,743 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:55:47,113 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:55:47,597 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:55:48,017 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:55:48,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:48,256 INFO L93 Difference]: Finished difference Result 289 states and 347 transitions. [2020-10-28 16:55:48,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:55:48,256 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-28 16:55:48,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:48,259 INFO L225 Difference]: With dead ends: 289 [2020-10-28 16:55:48,260 INFO L226 Difference]: Without dead ends: 203 [2020-10-28 16:55:48,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:55:48,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-28 16:55:48,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2020-10-28 16:55:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-28 16:55:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 212 transitions. [2020-10-28 16:55:48,313 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 212 transitions. Word has length 81 [2020-10-28 16:55:48,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:48,313 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 212 transitions. [2020-10-28 16:55:48,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:55:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 212 transitions. [2020-10-28 16:55:48,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-28 16:55:48,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:48,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:48,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:55:48,316 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:55:48,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:48,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1062510388, now seen corresponding path program 1 times [2020-10-28 16:55:48,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:48,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [133072729] [2020-10-28 16:55:48,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:48,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:48,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 16:55:48,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-28 16:55:48,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:48,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:55:48,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-28 16:55:48,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:48,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:48,975 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:48,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:48,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:49,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 16:55:49,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:49,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:49,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:55:49,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:49,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:49,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:55:49,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:49,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:49,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:49,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:49,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:49,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:55:49,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:55:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:49,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:49,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:55:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:55:49,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 16:55:49,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:55:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 16:55:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:55:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:55:49,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:55:49,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:55:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:55:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:55:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:55:49,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:55:49,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:55:49,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:49,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:49,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:55:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:49,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:55:49,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 16:55:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 16:55:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:49,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:49,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:49,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 16:55:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:49,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:49,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:49,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 16:55:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:49,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:49,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:49,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:49,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:49,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:49,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:49,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:49,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:49,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:49,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:49,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:55:49,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [133072729] [2020-10-28 16:55:49,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:49,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:55:49,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353023504] [2020-10-28 16:55:49,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:55:49,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:49,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:55:49,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:55:49,247 INFO L87 Difference]: Start difference. First operand 186 states and 212 transitions. Second operand 8 states. [2020-10-28 16:55:50,696 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:55:51,063 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:55:51,453 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:55:52,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:52,123 INFO L93 Difference]: Finished difference Result 377 states and 449 transitions. [2020-10-28 16:55:52,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 16:55:52,128 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-10-28 16:55:52,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:52,133 INFO L225 Difference]: With dead ends: 377 [2020-10-28 16:55:52,133 INFO L226 Difference]: Without dead ends: 215 [2020-10-28 16:55:52,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:55:52,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-28 16:55:52,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 186. [2020-10-28 16:55:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-28 16:55:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 211 transitions. [2020-10-28 16:55:52,189 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 211 transitions. Word has length 85 [2020-10-28 16:55:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:52,190 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 211 transitions. [2020-10-28 16:55:52,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:55:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 211 transitions. [2020-10-28 16:55:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-28 16:55:52,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:52,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:52,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:55:52,192 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:55:52,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:52,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1181472910, now seen corresponding path program 1 times [2020-10-28 16:55:52,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:52,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459597547] [2020-10-28 16:55:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:52,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:52,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:52,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 16:55:52,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:52,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-28 16:55:52,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:52,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:55:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-28 16:55:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:55:52,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:52,941 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:52,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:52,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:53,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 16:55:53,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:53,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:53,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:53,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:55:53,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:53,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:53,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:53,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:53,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:55:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:53,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:53,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:55:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:55:53,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 16:55:53,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:55:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 16:55:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:55:53,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:55:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:55:53,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 16:55:53,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:55:53,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:53,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:55:53,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:53,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:55:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:55:53,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:53,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:53,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:55:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:53,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:53,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 16:55:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 16:55:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:53,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:53,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:53,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 16:55:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:53,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:53,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:53,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 16:55:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:53,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:53,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:53,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:53,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:53,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:53,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:53,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:55:53,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459597547] [2020-10-28 16:55:53,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:53,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 16:55:53,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76183558] [2020-10-28 16:55:53,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 16:55:53,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:53,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 16:55:53,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 16:55:53,258 INFO L87 Difference]: Start difference. First operand 186 states and 211 transitions. Second operand 9 states. [2020-10-28 16:55:54,588 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:55:54,959 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:55:55,363 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:55:55,722 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:55:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:56,427 INFO L93 Difference]: Finished difference Result 379 states and 457 transitions. [2020-10-28 16:55:56,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:55:56,428 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-10-28 16:55:56,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:56,430 INFO L225 Difference]: With dead ends: 379 [2020-10-28 16:55:56,430 INFO L226 Difference]: Without dead ends: 217 [2020-10-28 16:55:56,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-28 16:55:56,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-28 16:55:56,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 188. [2020-10-28 16:55:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-28 16:55:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 213 transitions. [2020-10-28 16:55:56,477 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 213 transitions. Word has length 85 [2020-10-28 16:55:56,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:56,477 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 213 transitions. [2020-10-28 16:55:56,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 16:55:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 213 transitions. [2020-10-28 16:55:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-28 16:55:56,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:56,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:56,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 16:55:56,480 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:55:56,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:56,480 INFO L82 PathProgramCache]: Analyzing trace with hash 2021268258, now seen corresponding path program 1 times [2020-10-28 16:55:56,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:56,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763100400] [2020-10-28 16:55:56,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:56,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:56,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:59,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:59,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 16:55:59,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:55:59,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3150 [2020-10-28 16:55:59,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:59,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-28 16:55:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 16:55:59,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,009 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:00,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:00,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 16:56:00,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:56:00,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:00,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:00,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:00,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:56:00,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:00,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:00,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:56:00,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:00,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:00,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:00,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:00,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:00,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:00,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:56:00,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:56:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:00,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:00,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:00,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:56:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 16:56:00,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 16:56:00,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:56:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 16:56:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 16:56:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:56:00,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:00,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:00,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:00,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:56:00,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:00,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:56:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:56:00,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 16:56:00,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:56:00,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 16:56:00,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:56:00,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:56:00,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:56:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:56:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:00,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:00,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:56:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:56:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 16:56:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:00,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:00,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 16:56:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:00,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:00,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 16:56:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:00,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:00,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:00,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:00,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:00,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:00,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:00,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:00,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 16:56:00,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763100400] [2020-10-28 16:56:00,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:56:00,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 16:56:00,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757722573] [2020-10-28 16:56:00,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 16:56:00,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:00,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 16:56:00,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:56:00,482 INFO L87 Difference]: Start difference. First operand 188 states and 213 transitions. Second operand 12 states. [2020-10-28 16:56:01,240 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:56:02,220 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:56:03,333 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:03,788 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:04,218 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:56:04,612 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:56:05,049 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:56:05,446 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:56:06,194 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-10-28 16:56:06,609 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 16:56:07,010 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 16:56:07,416 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 16:56:08,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:56:08,343 INFO L93 Difference]: Finished difference Result 516 states and 626 transitions. [2020-10-28 16:56:08,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 16:56:08,344 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-28 16:56:08,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:56:08,347 INFO L225 Difference]: With dead ends: 516 [2020-10-28 16:56:08,347 INFO L226 Difference]: Without dead ends: 315 [2020-10-28 16:56:08,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2020-10-28 16:56:08,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-28 16:56:08,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 254. [2020-10-28 16:56:08,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-10-28 16:56:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 283 transitions. [2020-10-28 16:56:08,420 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 283 transitions. Word has length 97 [2020-10-28 16:56:08,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:56:08,420 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 283 transitions. [2020-10-28 16:56:08,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 16:56:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 283 transitions. [2020-10-28 16:56:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-28 16:56:08,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:56:08,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:56:08,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 16:56:08,423 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:56:08,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:56:08,423 INFO L82 PathProgramCache]: Analyzing trace with hash 321558470, now seen corresponding path program 1 times [2020-10-28 16:56:08,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:56:08,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109496315] [2020-10-28 16:56:08,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:56:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:08,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:08,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:09,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:09,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 16:56:09,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:56:09,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1114 [2020-10-28 16:56:09,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:09,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:56:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-28 16:56:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 16:56:09,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:09,915 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:09,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:09,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:09,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:09,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:09,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 16:56:09,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:09,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:09,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:09,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:09,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:09,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:09,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:09,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:09,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:09,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:09,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:09,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:09,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:09,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:09,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:09,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:09,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:09,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:09,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:09,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:09,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:09,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:09,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:09,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:09,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:09,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:09,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:09,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:09,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:09,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:09,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:09,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:09,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:56:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:09,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:09,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:09,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:09,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:09,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:09,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:09,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:09,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:09,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:09,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:09,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 16:56:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:10,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:56:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:56:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 16:56:10,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 16:56:10,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 16:56:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:56:10,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:10,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:56:10,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:10,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:56:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:56:10,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:10,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:56:10,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:10,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 16:56:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:10,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:56:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:56:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:10,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 16:56:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:10,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 16:56:10,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109496315] [2020-10-28 16:56:10,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:56:10,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 16:56:10,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275298879] [2020-10-28 16:56:10,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 16:56:10,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:10,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 16:56:10,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:56:10,147 INFO L87 Difference]: Start difference. First operand 254 states and 283 transitions. Second operand 10 states. [2020-10-28 16:56:11,268 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:56:12,255 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:56:12,960 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-28 16:56:13,388 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:13,970 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:56:14,372 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:56:15,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:56:15,025 INFO L93 Difference]: Finished difference Result 532 states and 637 transitions. [2020-10-28 16:56:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 16:56:15,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 101 [2020-10-28 16:56:15,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:56:15,027 INFO L225 Difference]: With dead ends: 532 [2020-10-28 16:56:15,027 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:56:15,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2020-10-28 16:56:15,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:56:15,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:56:15,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:56:15,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:56:15,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 101 [2020-10-28 16:56:15,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:56:15,030 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:56:15,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 16:56:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:56:15,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:56:15,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 16:56:15,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:56:15,307 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-28 16:56:15,618 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-28 16:56:16,603 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 216 [2020-10-28 16:56:16,719 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 217 [2020-10-28 16:56:16,833 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 217 [2020-10-28 16:56:17,992 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 232 [2020-10-28 16:56:19,303 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 235 [2020-10-28 16:56:20,980 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 235 [2020-10-28 16:56:21,654 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 232 [2020-10-28 16:56:21,816 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 235 [2020-10-28 16:56:22,161 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-10-28 16:56:23,162 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-10-28 16:56:23,442 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-28 16:56:23,728 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:56:24,037 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 18 [2020-10-28 16:56:24,245 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-28 16:56:25,166 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 35 [2020-10-28 16:56:25,453 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 33 [2020-10-28 16:56:25,751 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:56:26,594 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 24 [2020-10-28 16:56:26,884 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:56:27,904 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 170 DAG size of output: 25 [2020-10-28 16:56:28,232 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:28,606 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-10-28 16:56:28,878 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:56:29,900 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 175 DAG size of output: 30 [2020-10-28 16:56:30,210 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 30 [2020-10-28 16:56:31,244 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 172 DAG size of output: 25 [2020-10-28 16:56:31,461 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-10-28 16:56:32,222 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-10-28 16:56:32,597 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 33 [2020-10-28 16:56:33,618 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-10-28 16:56:33,831 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-10-28 16:56:34,122 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:56:35,025 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 34 [2020-10-28 16:56:35,295 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 16 [2020-10-28 16:56:35,682 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 30 [2020-10-28 16:56:35,955 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-28 16:56:36,269 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 8 [2020-10-28 16:56:36,476 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-28 16:56:36,759 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:56:37,543 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-10-28 16:56:37,813 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-28 16:56:38,095 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:56:38,308 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-10-28 16:56:39,488 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-10-28 16:56:39,828 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:56:40,113 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 33 [2020-10-28 16:56:40,396 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:56:40,790 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 30 [2020-10-28 16:56:41,629 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-10-28 16:56:41,838 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-28 16:56:41,843 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:56:41,843 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:56:41,843 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:56:41,844 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:56:41,844 INFO L274 CegarLoopResult]: For program point L638(lines 615 639) no Hoare annotation was computed. [2020-10-28 16:56:41,844 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 591 646) no Hoare annotation was computed. [2020-10-28 16:56:41,844 INFO L274 CegarLoopResult]: For program point L622(lines 622 626) no Hoare annotation was computed. [2020-10-28 16:56:41,844 INFO L274 CegarLoopResult]: For program point L622-1(lines 622 626) no Hoare annotation was computed. [2020-10-28 16:56:41,845 INFO L274 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-10-28 16:56:41,845 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 591 646) no Hoare annotation was computed. [2020-10-28 16:56:41,845 INFO L274 CegarLoopResult]: For program point L616-2(lines 616 637) no Hoare annotation was computed. [2020-10-28 16:56:41,845 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 591 646) no Hoare annotation was computed. [2020-10-28 16:56:41,845 INFO L274 CegarLoopResult]: For program point L673-2(lines 673 698) no Hoare annotation was computed. [2020-10-28 16:56:41,845 INFO L274 CegarLoopResult]: For program point L699(lines 672 700) no Hoare annotation was computed. [2020-10-28 16:56:41,845 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 647 706) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 647 706) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 647 706) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point L679(lines 679 683) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point L679-1(lines 679 683) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point L674(line 674) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2020-10-28 16:56:41,846 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2020-10-28 16:56:41,846 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2020-10-28 16:56:41,847 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:56:41,847 INFO L270 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:56:41,847 INFO L270 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:56:41,847 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:56:41,847 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-28 16:56:41,847 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-28 16:56:41,848 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:56:41,848 INFO L270 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:56:41,848 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-28 16:56:41,848 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-28 16:56:41,848 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-28 16:56:41,848 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:56:41,848 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 16:56:41,848 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-28 16:56:41,848 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 16:56:41,849 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 327 335) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 327 335) the Hoare annotation is: true [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 327 335) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point L355-2(lines 355 363) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 336 371) no Hoare annotation was computed. [2020-10-28 16:56:41,850 INFO L274 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point L366-1(line 366) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 336 371) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point L355(lines 355 363) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 336 371) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 545 590) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 545 590) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 545 590) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 858 903) no Hoare annotation was computed. [2020-10-28 16:56:41,851 INFO L274 CegarLoopResult]: For program point L889(lines 889 890) no Hoare annotation was computed. [2020-10-28 16:56:41,852 INFO L274 CegarLoopResult]: For program point L882(lines 882 883) no Hoare annotation was computed. [2020-10-28 16:56:41,852 INFO L274 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-10-28 16:56:41,852 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 882 883) no Hoare annotation was computed. [2020-10-28 16:56:41,852 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 889 890) no Hoare annotation was computed. [2020-10-28 16:56:41,852 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 858 903) no Hoare annotation was computed. [2020-10-28 16:56:41,852 INFO L274 CegarLoopResult]: For program point L872(lines 872 892) no Hoare annotation was computed. [2020-10-28 16:56:41,852 INFO L274 CegarLoopResult]: For program point L872-1(lines 872 892) no Hoare annotation was computed. [2020-10-28 16:56:41,852 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 858 903) no Hoare annotation was computed. [2020-10-28 16:56:41,852 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:56:41,853 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2020-10-28 16:56:41,853 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2020-10-28 16:56:41,853 INFO L277 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: true [2020-10-28 16:56:41,853 INFO L274 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2020-10-28 16:56:41,853 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 316 326) the Hoare annotation is: true [2020-10-28 16:56:41,853 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 316 326) no Hoare annotation was computed. [2020-10-28 16:56:41,853 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 316 326) no Hoare annotation was computed. [2020-10-28 16:56:41,853 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 308 315) no Hoare annotation was computed. [2020-10-28 16:56:41,853 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 308 315) no Hoare annotation was computed. [2020-10-28 16:56:41,853 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 308 315) no Hoare annotation was computed. [2020-10-28 16:56:41,853 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 480 493) no Hoare annotation was computed. [2020-10-28 16:56:41,854 INFO L274 CegarLoopResult]: For program point L484(lines 484 490) no Hoare annotation was computed. [2020-10-28 16:56:41,854 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 480 493) the Hoare annotation is: true [2020-10-28 16:56:41,854 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 480 493) no Hoare annotation was computed. [2020-10-28 16:56:41,854 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 257 281) no Hoare annotation was computed. [2020-10-28 16:56:41,854 INFO L270 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0))) (let ((.cse0 (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not .cse2))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0 .cse1)))) [2020-10-28 16:56:41,854 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 257 281) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-10-28 16:56:41,854 INFO L274 CegarLoopResult]: For program point L276-1(lines 257 281) no Hoare annotation was computed. [2020-10-28 16:56:41,855 INFO L270 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-10-28 16:56:41,855 INFO L270 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse2 (and (<= ~waterLevel~0 1) .cse0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 (<= 1 processEnvironment_~tmp~2)) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse1)))) [2020-10-28 16:56:41,855 INFO L274 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-10-28 16:56:41,855 INFO L270 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse1))) [2020-10-28 16:56:41,855 INFO L274 CegarLoopResult]: For program point L263-1(line 263) no Hoare annotation was computed. [2020-10-28 16:56:41,855 INFO L274 CegarLoopResult]: For program point L261(lines 261 278) no Hoare annotation was computed. [2020-10-28 16:56:41,855 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 249 255) no Hoare annotation was computed. [2020-10-28 16:56:41,857 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 249 255) the Hoare annotation is: true [2020-10-28 16:56:41,857 INFO L270 CegarLoopResult]: At program point testENTRY(lines 147 212) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:56:41,857 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-10-28 16:56:41,857 INFO L274 CegarLoopResult]: For program point testFINAL(lines 147 212) no Hoare annotation was computed. [2020-10-28 16:56:41,857 INFO L270 CegarLoopResult]: At program point L205(lines 156 206) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:56:41,857 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-10-28 16:56:41,857 INFO L270 CegarLoopResult]: At program point L195-2(lines 187 200) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (not (= |old(~methaneLevelCritical~0)| 0)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-28 16:56:41,859 INFO L274 CegarLoopResult]: For program point L158(lines 157 204) no Hoare annotation was computed. [2020-10-28 16:56:41,859 INFO L270 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (not (= |old(~methaneLevelCritical~0)| 0)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-28 16:56:41,859 INFO L274 CegarLoopResult]: For program point L187(lines 187 200) no Hoare annotation was computed. [2020-10-28 16:56:41,859 INFO L270 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-28 16:56:41,859 INFO L274 CegarLoopResult]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-10-28 16:56:41,860 INFO L274 CegarLoopResult]: For program point L177-1(lines 177 183) no Hoare annotation was computed. [2020-10-28 16:56:41,860 INFO L270 CegarLoopResult]: At program point L202(lines 157 204) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-28 16:56:41,860 INFO L270 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0)) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-28 16:56:41,860 INFO L274 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-10-28 16:56:41,860 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 173) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point testEXIT(lines 147 212) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point L832(lines 832 839) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 836 837) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 843 844) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point L826(lines 826 846) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 812 857) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point L826-1(lines 826 846) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 812 857) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 812 857) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point L843(lines 843 844) no Hoare annotation was computed. [2020-10-28 16:56:41,861 INFO L274 CegarLoopResult]: For program point L836(lines 836 837) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L270 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 282 289) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 282 289) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 282 289) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 448 470) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point L456(lines 456 464) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point L456-2(lines 456 464) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 448 470) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 448 470) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 505 514) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 505 514) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 505 514) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 709 811) no Hoare annotation was computed. [2020-10-28 16:56:41,862 INFO L274 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L797(lines 797 808) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L758-2(lines 758 778) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L779(lines 757 780) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 709 811) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L738(lines 738 754) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L759(lines 758 778) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-10-28 16:56:41,863 INFO L274 CegarLoopResult]: For program point L755(lines 755 796) no Hoare annotation was computed. [2020-10-28 16:56:41,864 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 709 811) no Hoare annotation was computed. [2020-10-28 16:56:41,864 INFO L274 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-10-28 16:56:41,864 INFO L274 CegarLoopResult]: For program point L774-1(line 774) no Hoare annotation was computed. [2020-10-28 16:56:41,864 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:56:41,864 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string73.offset| |old(#t~string73.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~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:56:41,864 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:56:41,864 INFO L270 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0))) (let ((.cse0 (and .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not .cse2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1)))) [2020-10-28 16:56:41,865 INFO L274 CegarLoopResult]: For program point L302-1(lines 291 307) no Hoare annotation was computed. [2020-10-28 16:56:41,865 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 291 307) no Hoare annotation was computed. [2020-10-28 16:56:41,865 INFO L274 CegarLoopResult]: For program point L298(lines 298 304) no Hoare annotation was computed. [2020-10-28 16:56:41,865 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 291 307) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-10-28 16:56:41,866 INFO L270 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-10-28 16:56:41,866 INFO L274 CegarLoopResult]: For program point L296-1(line 296) no Hoare annotation was computed. [2020-10-28 16:56:41,866 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 372 390) no Hoare annotation was computed. [2020-10-28 16:56:41,866 INFO L274 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-10-28 16:56:41,867 INFO L277 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: true [2020-10-28 16:56:41,867 INFO L274 CegarLoopResult]: For program point L381-2(lines 381 385) no Hoare annotation was computed. [2020-10-28 16:56:41,867 INFO L274 CegarLoopResult]: For program point L379-1(line 379) no Hoare annotation was computed. [2020-10-28 16:56:41,867 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 372 390) the Hoare annotation is: true [2020-10-28 16:56:41,867 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 372 390) no Hoare annotation was computed. [2020-10-28 16:56:41,867 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 471 479) the Hoare annotation is: true [2020-10-28 16:56:41,867 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 471 479) no Hoare annotation was computed. [2020-10-28 16:56:41,867 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 471 479) no Hoare annotation was computed. [2020-10-28 16:56:41,868 INFO L274 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-10-28 16:56:41,868 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 427 438) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (= ~methaneLevelCritical~0 0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-10-28 16:56:41,868 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 427 438) no Hoare annotation was computed. [2020-10-28 16:56:41,868 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:56:41,868 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:56:41,868 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:56:41,868 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 225 248) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-28 16:56:41,868 INFO L270 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse1 (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse3 .cse4)) (.cse2 (not .cse3))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse1 .cse2)))) [2020-10-28 16:56:41,869 INFO L270 CegarLoopResult]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse3)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not .cse3))) (and (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and (<= ~waterLevel~0 1) .cse2) .cse0)))) [2020-10-28 16:56:41,869 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 225 248) no Hoare annotation was computed. [2020-10-28 16:56:41,869 INFO L270 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0))) (let ((.cse0 (not .cse2)) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1)))) [2020-10-28 16:56:41,869 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 225 248) no Hoare annotation was computed. [2020-10-28 16:56:41,869 INFO L274 CegarLoopResult]: For program point L229(lines 228 247) no Hoare annotation was computed. [2020-10-28 16:56:41,870 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 16:56:41,870 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-28 16:56:41,870 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-28 16:56:41,870 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-28 16:56:41,871 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-28 16:56:41,871 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-28 16:56:41,871 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-28 16:56:41,872 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-28 16:56:41,872 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-28 16:56:41,872 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-28 16:56:41,872 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 439 447) the Hoare annotation is: true [2020-10-28 16:56:41,872 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 439 447) no Hoare annotation was computed. [2020-10-28 16:56:41,872 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 439 447) no Hoare annotation was computed. [2020-10-28 16:56:41,872 INFO L270 CegarLoopResult]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0))) [2020-10-28 16:56:41,873 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 905 937) no Hoare annotation was computed. [2020-10-28 16:56:41,873 INFO L274 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-10-28 16:56:41,873 INFO L270 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0))) [2020-10-28 16:56:41,874 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 905 937) the Hoare annotation is: true [2020-10-28 16:56:41,874 INFO L274 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-10-28 16:56:41,874 INFO L274 CegarLoopResult]: For program point L920(lines 920 933) no Hoare annotation was computed. [2020-10-28 16:56:41,874 INFO L274 CegarLoopResult]: For program point L920-1(lines 905 937) no Hoare annotation was computed. [2020-10-28 16:56:41,874 INFO L270 CegarLoopResult]: At program point L918(line 918) the Hoare annotation is: (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:56:41,874 INFO L274 CegarLoopResult]: For program point L918-1(line 918) no Hoare annotation was computed. [2020-10-28 16:56:41,874 INFO L274 CegarLoopResult]: For program point L914(lines 914 934) no Hoare annotation was computed. [2020-10-28 16:56:41,874 INFO L277 CegarLoopResult]: At program point L912(line 912) the Hoare annotation is: true [2020-10-28 16:56:41,874 INFO L274 CegarLoopResult]: For program point L912-1(line 912) no Hoare annotation was computed. [2020-10-28 16:56:41,874 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 403 414) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) (not (= 1 ~systemActive~0))) [2020-10-28 16:56:41,875 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 403 414) no Hoare annotation was computed. [2020-10-28 16:56:41,875 INFO L274 CegarLoopResult]: For program point L407-1(lines 403 414) no Hoare annotation was computed. [2020-10-28 16:56:41,875 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-28 16:56:41,875 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-28 16:56:41,875 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:56:41,875 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0)) [2020-10-28 16:56:41,875 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:56:41,875 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:56:41,876 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2020-10-28 16:56:41,876 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (let ((.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse0 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) (= 1 ~systemActive~0)))) [2020-10-28 16:56:41,876 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2020-10-28 16:56:41,876 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 415 426) no Hoare annotation was computed. [2020-10-28 16:56:41,877 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 415 426) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-10-28 16:56:41,877 INFO L274 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-10-28 16:56:41,877 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 495 502) no Hoare annotation was computed. [2020-10-28 16:56:41,877 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 495 502) the Hoare annotation is: true [2020-10-28 16:56:41,877 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 495 502) no Hoare annotation was computed. [2020-10-28 16:56:41,877 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 16:56:41,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:56:41 BoogieIcfgContainer [2020-10-28 16:56:41,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:56:41,909 INFO L168 Benchmark]: Toolchain (without parser) took 87350.03 ms. Allocated memory was 162.5 MB in the beginning and 620.8 MB in the end (delta: 458.2 MB). Free memory was 137.5 MB in the beginning and 445.4 MB in the end (delta: -307.8 MB). Peak memory consumption was 380.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:56:41,913 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory was 134.8 MB in the beginning and 134.7 MB in the end (delta: 89.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:56:41,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.56 ms. Allocated memory is still 162.5 MB. Free memory was 136.9 MB in the beginning and 116.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:56:41,915 INFO L168 Benchmark]: Boogie Preprocessor took 87.45 ms. Allocated memory is still 162.5 MB. Free memory was 116.0 MB in the beginning and 112.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:56:41,921 INFO L168 Benchmark]: RCFGBuilder took 1468.87 ms. Allocated memory is still 162.5 MB. Free memory was 112.2 MB in the beginning and 60.2 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:56:41,926 INFO L168 Benchmark]: TraceAbstraction took 85194.03 ms. Allocated memory was 162.5 MB in the beginning and 620.8 MB in the end (delta: 458.2 MB). Free memory was 59.6 MB in the beginning and 445.4 MB in the end (delta: -385.7 MB). Peak memory consumption was 301.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:56:41,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory was 134.8 MB in the beginning and 134.7 MB in the end (delta: 89.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 587.56 ms. Allocated memory is still 162.5 MB. Free memory was 136.9 MB in the beginning and 116.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 87.45 ms. Allocated memory is still 162.5 MB. Free memory was 116.0 MB in the beginning and 112.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1468.87 ms. Allocated memory is still 162.5 MB. Free memory was 112.2 MB in the beginning and 60.2 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 85194.03 ms. Allocated memory was 162.5 MB in the beginning and 620.8 MB in the end (delta: 458.2 MB). Free memory was 59.6 MB in the beginning and 445.4 MB in the end (delta: -385.7 MB). Peak memory consumption was 301.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 843]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 836]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 882]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 889]: 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: 157]: Loop Invariant Derived loop invariant: ((((!(\old(systemActive) == 1) || ((((waterLevel <= 1 && splverifierCounter <= 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning))) || (((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 1)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning + 1 <= 0 || 0 < pumpRunning) && splverifierCounter <= 0) && 1 == systemActive) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) <= 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 241 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.2s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 33.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1020 SDtfs, 1551 SDslu, 751 SDs, 0 SdLazy, 4825 SolverSat, 908 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 226 SyntacticMatches, 3 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 19.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 238 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 660 PreInvPairs, 855 NumberOfFragments, 1646 HoareAnnotationTreeSize, 660 FomulaSimplifications, 2854248 FormulaSimplificationTreeSizeReduction, 6.8s HoareSimplificationTime, 59 FomulaSimplificationsInter, 33201 FormulaSimplificationTreeSizeReductionInter, 19.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 673 ConstructedInterpolants, 0 QuantifiedInterpolants, 224682 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 4/6 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...