/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:59:57,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:59:57,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:59:57,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:59:57,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:59:57,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:59:57,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:59:57,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:59:57,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:59:57,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:59:57,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:59:57,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:59:57,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:59:57,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:59:57,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:59:57,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:59:57,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:59:57,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:59:57,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:59:57,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:59:57,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:59:57,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:59:57,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:59:57,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:59:57,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:59:57,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:59:57,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:59:57,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:59:57,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:59:57,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:59:57,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:59:57,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:59:57,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:59:57,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:59:57,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:59:57,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:59:57,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:59:57,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:59:57,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:59:57,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:59:57,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:59:57,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:59:57,993 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:59:57,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:59:57,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:59:57,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:59:57,996 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:59:57,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:59:57,996 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:59:57,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:59:57,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:59:57,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:59:57,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:59:57,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:59:57,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:59:57,998 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:59:57,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:59:57,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:59:57,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:59:57,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:59:58,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:59:58,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:59:58,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:59:58,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:59:58,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:59:58,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:59:58,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:59:58,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:59:58,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:59:58,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:59:58,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:59:58,002 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:59:58,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:59:58,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:59:58,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:59:58,493 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:59:58,494 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:59:58,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product51.cil.c [2020-10-27 21:59:58,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44c606f69/1b10c19dc74f447f8cab933caa8037be/FLAGb7a463b23 [2020-10-27 21:59:59,231 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:59:59,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product51.cil.c [2020-10-27 21:59:59,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44c606f69/1b10c19dc74f447f8cab933caa8037be/FLAGb7a463b23 [2020-10-27 21:59:59,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44c606f69/1b10c19dc74f447f8cab933caa8037be [2020-10-27 21:59:59,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:59:59,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:59:59,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:59:59,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:59:59,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:59:59,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:59:59" (1/1) ... [2020-10-27 21:59:59,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49acb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:59, skipping insertion in model container [2020-10-27 21:59:59,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:59:59" (1/1) ... [2020-10-27 21:59:59,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:59:59,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:59:59,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:00:00,019 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:00:00,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:00:00,175 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:00:00,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00 WrapperNode [2020-10-27 22:00:00,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:00:00,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:00:00,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:00:00,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:00:00,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00" (1/1) ... [2020-10-27 22:00:00,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00" (1/1) ... [2020-10-27 22:00:00,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00" (1/1) ... [2020-10-27 22:00:00,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00" (1/1) ... [2020-10-27 22:00:00,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00" (1/1) ... [2020-10-27 22:00:00,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00" (1/1) ... [2020-10-27 22:00:00,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00" (1/1) ... [2020-10-27 22:00:00,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:00:00,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:00:00,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:00:00,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:00:00,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:00:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:00:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:00:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:00:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:00:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:00:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:00:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:00:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 22:00:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:00:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:00:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:00:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:00:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:00:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:00:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:00:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-27 22:00:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 22:00:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:00:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:00:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:00:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:00:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:00:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:00:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:00:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:00:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:00:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:00:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:00:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 22:00:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:00:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:00:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:00:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:00:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:00:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:00:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:00:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:00:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:00:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:00:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:00:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:00:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-27 22:00:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:00:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:00:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:00:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:00:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:00:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:00:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:00:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:00:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 22:00:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:00:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:00:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:00:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:00:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:00:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:00:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:00:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-27 22:00:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:00:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:00:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:00:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:00:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 22:00:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:00:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:00:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:00:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 22:00:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-27 22:00:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:00:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:00:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:00:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:00:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:00:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:00:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:00:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:00:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:00:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:00:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:00:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:00:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:00:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:00:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:00:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:00:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:00:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:00:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:00:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:00:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:00:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:00:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:00:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:00:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:00:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:00:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:00:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:00:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:00:01,648 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:00:01,649 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:00:01,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:00:01 BoogieIcfgContainer [2020-10-27 22:00:01,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:00:01,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:00:01,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:00:01,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:00:01,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:59:59" (1/3) ... [2020-10-27 22:00:01,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a2018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:00:01, skipping insertion in model container [2020-10-27 22:00:01,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:00:00" (2/3) ... [2020-10-27 22:00:01,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a2018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:00:01, skipping insertion in model container [2020-10-27 22:00:01,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:00:01" (3/3) ... [2020-10-27 22:00:01,660 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product51.cil.c [2020-10-27 22:00:01,673 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:00:01,678 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:00:01,692 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:00:01,721 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:00:01,721 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:00:01,721 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:00:01,721 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:00:01,721 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:00:01,722 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:00:01,722 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:00:01,722 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:00:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2020-10-27 22:00:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 22:00:01,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:01,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:00:01,757 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:00:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:01,763 INFO L82 PathProgramCache]: Analyzing trace with hash -283789967, now seen corresponding path program 1 times [2020-10-27 22:00:01,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:01,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1620846078] [2020-10-27 22:00:01,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:02,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:02,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:02,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:07,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:07,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:00:07,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:00:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:00:07,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:07,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:00:07,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 22:00:07,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:00:07,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:00:07,590 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:07,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:07,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:07,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:07,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:07,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 22:00:07,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:07,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:07,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:07,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:07,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:07,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:07,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:07,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:07,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:07,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:07,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:07,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:07,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:07,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:07,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:07,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:07,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:07,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:07,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:07,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:07,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:07,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:07,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:07,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:07,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:07,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:07,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:07,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:07,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:07,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:07,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:07,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:07,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:00:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:07,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:07,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:07,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:07,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:07,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:07,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:07,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:07,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:00:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:07,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:07,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:07,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:07,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:07,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:00:07,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:07,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:07,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:07,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:07,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:00:07,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1620846078] [2020-10-27 22:00:07,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:00:07,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:00:07,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191681015] [2020-10-27 22:00:07,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:00:07,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:07,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:00:07,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:00:07,770 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 7 states. [2020-10-27 22:00:08,496 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:09,724 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:00:10,237 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:10,711 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:11,653 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:12,133 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:00:13,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:13,820 INFO L93 Difference]: Finished difference Result 406 states and 562 transitions. [2020-10-27 22:00:13,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:00:13,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 22:00:13,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:13,846 INFO L225 Difference]: With dead ends: 406 [2020-10-27 22:00:13,846 INFO L226 Difference]: Without dead ends: 246 [2020-10-27 22:00:13,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:00:13,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-27 22:00:13,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 211. [2020-10-27 22:00:13,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-27 22:00:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 266 transitions. [2020-10-27 22:00:13,987 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 266 transitions. Word has length 47 [2020-10-27 22:00:13,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:13,988 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 266 transitions. [2020-10-27 22:00:13,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:00:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 266 transitions. [2020-10-27 22:00:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 22:00:13,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:13,993 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] [2020-10-27 22:00:13,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:00:13,994 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:00:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:13,994 INFO L82 PathProgramCache]: Analyzing trace with hash -996600643, now seen corresponding path program 1 times [2020-10-27 22:00:13,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:13,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289085282] [2020-10-27 22:00:13,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:14,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:14,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:14,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:18,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:18,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 22:00:18,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:00:18,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4919 [2020-10-27 22:00:18,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 22:00:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:18,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,312 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:19,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:00:19,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:19,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:19,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:19,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 22:00:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 22:00:19,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:00:19,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:00:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:19,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:00:19,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:00:19,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:19,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:00:19,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:00:19,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:19,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:00:19,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:00:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:19,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:00:19,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:00:19,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:19,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:00:19,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 22:00:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:19,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 22:00:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:19,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:00:19,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289085282] [2020-10-27 22:00:19,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:00:19,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:00:19,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568204035] [2020-10-27 22:00:19,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:00:19,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:19,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:00:19,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:00:19,581 INFO L87 Difference]: Start difference. First operand 211 states and 266 transitions. Second operand 7 states. [2020-10-27 22:00:20,789 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:21,237 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:21,658 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:22,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:22,773 INFO L93 Difference]: Finished difference Result 470 states and 665 transitions. [2020-10-27 22:00:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:00:22,775 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2020-10-27 22:00:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:22,781 INFO L225 Difference]: With dead ends: 470 [2020-10-27 22:00:22,781 INFO L226 Difference]: Without dead ends: 283 [2020-10-27 22:00:22,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:00:22,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-27 22:00:22,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2020-10-27 22:00:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-27 22:00:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 273 transitions. [2020-10-27 22:00:22,861 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 273 transitions. Word has length 76 [2020-10-27 22:00:22,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:22,862 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 273 transitions. [2020-10-27 22:00:22,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:00:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 273 transitions. [2020-10-27 22:00:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 22:00:22,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:22,865 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:00:22,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:00:22,866 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:00:22,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:22,866 INFO L82 PathProgramCache]: Analyzing trace with hash 73425855, now seen corresponding path program 1 times [2020-10-27 22:00:22,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:22,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15173388] [2020-10-27 22:00:22,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:22,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:22,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:23,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:23,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:24,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:25,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:27,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:27,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 22:00:27,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:00:27,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:00:27,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:27,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:00:27,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 22:00:27,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:00:27,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,301 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:28,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:00:28,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:28,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:28,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:28,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:28,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:00:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 22:00:28,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:28,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:00:28,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:00:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 22:00:28,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:00:28,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:00:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 22:00:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:00:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:00:28,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 22:00:28,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:00:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:00:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:00:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:28,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:00:28,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:00:28,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:28,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:00:28,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:00:28,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:28,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:28,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:00:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 22:00:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:00:28,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15173388] [2020-10-27 22:00:28,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:00:28,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:00:28,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030251687] [2020-10-27 22:00:28,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:00:28,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:28,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:00:28,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:00:28,726 INFO L87 Difference]: Start difference. First operand 218 states and 273 transitions. Second operand 9 states. [2020-10-27 22:00:30,465 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:00:30,891 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:00:31,336 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:00:31,717 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:32,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:32,795 INFO L93 Difference]: Finished difference Result 493 states and 677 transitions. [2020-10-27 22:00:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:00:32,796 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2020-10-27 22:00:32,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:32,801 INFO L225 Difference]: With dead ends: 493 [2020-10-27 22:00:32,801 INFO L226 Difference]: Without dead ends: 299 [2020-10-27 22:00:32,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:00:32,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-10-27 22:00:32,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 223. [2020-10-27 22:00:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-27 22:00:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 278 transitions. [2020-10-27 22:00:32,874 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 278 transitions. Word has length 95 [2020-10-27 22:00:32,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:32,875 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 278 transitions. [2020-10-27 22:00:32,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:00:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 278 transitions. [2020-10-27 22:00:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 22:00:32,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:32,878 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] [2020-10-27 22:00:32,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:00:32,878 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:00:32,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:32,879 INFO L82 PathProgramCache]: Analyzing trace with hash 728880254, now seen corresponding path program 1 times [2020-10-27 22:00:32,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:32,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130802288] [2020-10-27 22:00:32,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:37,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:37,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 22:00:37,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:00:37,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:00:37,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:37,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:37,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:00:37,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:00:37,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,312 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 22:00:38,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:38,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:38,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:38,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:38,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:38,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:38,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 22:00:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 22:00:38,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:00:38,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 22:00:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:00:38,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:38,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:38,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:38,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:38,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 22:00:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 22:00:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:00:38,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130802288] [2020-10-27 22:00:38,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:00:38,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 22:00:38,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178183983] [2020-10-27 22:00:38,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 22:00:38,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:38,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 22:00:38,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:00:38,460 INFO L87 Difference]: Start difference. First operand 223 states and 278 transitions. Second operand 5 states. [2020-10-27 22:00:39,331 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:40,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:40,613 INFO L93 Difference]: Finished difference Result 393 states and 492 transitions. [2020-10-27 22:00:40,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:00:40,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-10-27 22:00:40,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:40,617 INFO L225 Difference]: With dead ends: 393 [2020-10-27 22:00:40,617 INFO L226 Difference]: Without dead ends: 241 [2020-10-27 22:00:40,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:00:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-10-27 22:00:40,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 205. [2020-10-27 22:00:40,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-27 22:00:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 246 transitions. [2020-10-27 22:00:40,679 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 246 transitions. Word has length 76 [2020-10-27 22:00:40,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:40,679 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 246 transitions. [2020-10-27 22:00:40,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 22:00:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 246 transitions. [2020-10-27 22:00:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 22:00:40,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:40,682 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] [2020-10-27 22:00:40,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:00:40,683 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:00:40,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:40,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2128697500, now seen corresponding path program 1 times [2020-10-27 22:00:40,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:40,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294031661] [2020-10-27 22:00:40,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:40,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 22:00:42,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:00:42,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1578 [2020-10-27 22:00:42,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:00:42,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 22:00:42,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,676 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:42,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:42,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 22:00:42,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:00:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:42,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:42,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:42,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:42,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:42,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:42,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:42,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:42,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:42,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:42,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:42,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:42,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 22:00:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 22:00:42,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:00:42,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:42,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:00:42,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:00:42,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:42,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:42,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:42,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:00:42,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:42,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:42,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:42,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:42,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:42,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 22:00:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:42,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:00:42,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:42,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:42,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:42,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 22:00:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:42,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:42,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:42,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:42,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:42,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:42,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:42,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:42,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:42,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:42,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:00:42,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294031661] [2020-10-27 22:00:42,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:00:42,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:00:42,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330785354] [2020-10-27 22:00:42,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:00:42,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:42,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:00:42,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:00:42,927 INFO L87 Difference]: Start difference. First operand 205 states and 246 transitions. Second operand 8 states. [2020-10-27 22:00:43,454 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:44,716 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-27 22:00:45,134 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:00:45,544 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:00:45,955 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:00:46,440 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:48,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:48,233 INFO L93 Difference]: Finished difference Result 614 states and 798 transitions. [2020-10-27 22:00:48,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:00:48,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-27 22:00:48,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:48,238 INFO L225 Difference]: With dead ends: 614 [2020-10-27 22:00:48,238 INFO L226 Difference]: Without dead ends: 433 [2020-10-27 22:00:48,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:00:48,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-10-27 22:00:48,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 370. [2020-10-27 22:00:48,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2020-10-27 22:00:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 450 transitions. [2020-10-27 22:00:48,361 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 450 transitions. Word has length 80 [2020-10-27 22:00:48,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:48,361 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 450 transitions. [2020-10-27 22:00:48,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:00:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 450 transitions. [2020-10-27 22:00:48,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:00:48,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:48,363 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] [2020-10-27 22:00:48,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:00:48,364 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]=== [2020-10-27 22:00:48,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:48,365 INFO L82 PathProgramCache]: Analyzing trace with hash 56847320, now seen corresponding path program 1 times [2020-10-27 22:00:48,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:48,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531541402] [2020-10-27 22:00:48,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:48,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:48,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:48,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 22:00:48,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:48,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 538 [2020-10-27 22:00:48,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:48,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:00:48,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:48,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 22:00:48,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:49,297 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:49,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:49,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 22:00:49,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:00:49,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:49,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:49,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:49,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:49,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:49,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:49,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:49,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:00:49,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:49,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:49,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:49,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:49,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 22:00:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:49,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:49,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:49,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:00:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 22:00:49,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:00:49,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:00:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:00:49,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:49,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:00:49,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:00:49,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:00:49,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:49,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:49,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:00:49,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:00:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:49,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:49,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:00:49,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:49,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:49,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:49,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:49,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:49,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 22:00:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:49,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:49,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:49,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:49,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:49,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 22:00:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:49,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:49,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:49,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:49,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:49,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:49,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:49,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:49,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:00:49,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531541402] [2020-10-27 22:00:49,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:00:49,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:00:49,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351307595] [2020-10-27 22:00:49,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:00:49,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:49,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:00:49,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:00:49,680 INFO L87 Difference]: Start difference. First operand 370 states and 450 transitions. Second operand 8 states. [2020-10-27 22:00:50,485 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:51,234 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:53,483 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:56,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:56,083 INFO L93 Difference]: Finished difference Result 1483 states and 2059 transitions. [2020-10-27 22:00:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 22:00:56,084 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-27 22:00:56,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:56,094 INFO L225 Difference]: With dead ends: 1483 [2020-10-27 22:00:56,094 INFO L226 Difference]: Without dead ends: 1137 [2020-10-27 22:00:56,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:00:56,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-10-27 22:00:56,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 986. [2020-10-27 22:00:56,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2020-10-27 22:00:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1231 transitions. [2020-10-27 22:00:56,328 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1231 transitions. Word has length 84 [2020-10-27 22:00:56,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:56,328 INFO L481 AbstractCegarLoop]: Abstraction has 986 states and 1231 transitions. [2020-10-27 22:00:56,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:00:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1231 transitions. [2020-10-27 22:00:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 22:00:56,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:56,330 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, 1, 1, 1] [2020-10-27 22:00:56,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:00:56,331 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]=== [2020-10-27 22:00:56,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:56,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1552184498, now seen corresponding path program 1 times [2020-10-27 22:00:56,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:56,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590946685] [2020-10-27 22:00:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:00:56,367 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:00:56,367 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:00:56,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:00:56,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:00:56 BoogieIcfgContainer [2020-10-27 22:00:56,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:00:56,397 INFO L168 Benchmark]: Toolchain (without parser) took 56893.27 ms. Allocated memory was 151.0 MB in the beginning and 706.7 MB in the end (delta: 555.7 MB). Free memory was 125.0 MB in the beginning and 414.0 MB in the end (delta: -289.0 MB). Peak memory consumption was 267.6 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:56,398 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:00:56,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.90 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 102.5 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:56,399 INFO L168 Benchmark]: Boogie Preprocessor took 88.14 ms. Allocated memory is still 151.0 MB. Free memory was 102.5 MB in the beginning and 98.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:56,400 INFO L168 Benchmark]: RCFGBuilder took 1385.34 ms. Allocated memory is still 151.0 MB. Free memory was 98.6 MB in the beginning and 60.7 MB in the end (delta: 37.9 MB). Peak memory consumption was 39.5 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:56,401 INFO L168 Benchmark]: TraceAbstraction took 54742.20 ms. Allocated memory was 151.0 MB in the beginning and 706.7 MB in the end (delta: 555.7 MB). Free memory was 60.1 MB in the beginning and 414.0 MB in the end (delta: -353.9 MB). Peak memory consumption was 201.8 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:56,404 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 666.90 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 102.5 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 88.14 ms. Allocated memory is still 151.0 MB. Free memory was 102.5 MB in the beginning and 98.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1385.34 ms. Allocated memory is still 151.0 MB. Free memory was 98.6 MB in the beginning and 60.7 MB in the end (delta: 37.9 MB). Peak memory consumption was 39.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 54742.20 ms. Allocated memory was 151.0 MB in the beginning and 706.7 MB in the end (delta: 555.7 MB). Free memory was 60.1 MB in the beginning and 414.0 MB in the end (delta: -353.9 MB). Peak memory consumption was 201.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L123] int pumpRunning = 0; [L124] int systemActive = 1; [L505] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int cleanupTimeShifts = 4; [L872] int waterLevel = 1; [L873] int methaneLevelCritical = 0; [L848] int retValue_acc ; [L849] int tmp ; [L853] FCALL select_helpers() [L854] FCALL select_features() [L855] CALL, EXPR valid_product() [L740] int retValue_acc ; [L743] retValue_acc = 1 [L744] return (retValue_acc); [L855] RET, EXPR valid_product() [L855] tmp = valid_product() [L857] COND TRUE \read(tmp) [L859] FCALL setup() [L860] CALL runTest() [L842] CALL test() [L48] int splverifierCounter ; [L49] int tmp ; [L50] int tmp___0 ; [L51] int tmp___1 ; [L52] int tmp___2 ; [L55] splverifierCounter = 0 [L57] COND TRUE 1 [L59] COND TRUE splverifierCounter < 4 [L65] tmp = __VERIFIER_nondet_int() [L67] COND TRUE \read(tmp) [L69] CALL waterRise() [L890] COND TRUE waterLevel < 2 [L891] waterLevel = waterLevel + 1 [L69] RET waterRise() [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND TRUE \read(tmp___0) [L79] CALL changeMethaneLevel() [L902] COND FALSE !(\read(methaneLevelCritical)) [L905] methaneLevelCritical = 1 [L79] RET changeMethaneLevel() [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) [L102] CALL timeShift() [L131] COND FALSE !(\read(pumpRunning)) [L138] COND TRUE \read(systemActive) [L140] CALL processEnvironment() [L186] int tmp ; [L189] COND FALSE !(\read(pumpRunning)) [L204] CALL processEnvironment__wrappee__highWaterSensor() [L160] int tmp ; [L163] COND TRUE ! pumpRunning [L165] CALL, EXPR isHighWaterLevel() [L283] int retValue_acc ; [L284] int tmp ; [L285] int tmp___0 ; [L289] CALL, EXPR isHighWaterSensorDry() [L952] int retValue_acc ; [L955] COND FALSE !(waterLevel < 2) [L959] retValue_acc = 0 [L960] return (retValue_acc); [L289] RET, EXPR isHighWaterSensorDry() [L289] tmp = isHighWaterSensorDry() [L291] COND FALSE !(\read(tmp)) [L294] tmp___0 = 1 [L296] retValue_acc = tmp___0 [L297] return (retValue_acc); [L165] RET, EXPR isHighWaterLevel() [L165] tmp = isHighWaterLevel() [L167] COND TRUE \read(tmp) [L169] CALL activatePump() [L214] pumpRunning = 1 [L169] RET activatePump() [L204] RET processEnvironment__wrappee__highWaterSensor() [L140] RET processEnvironment() [L146] CALL __utac_acc__Specification1_spec__1() [L750] int tmp ; [L751] int tmp___0 ; [L755] CALL, EXPR isMethaneLevelCritical() [L911] int retValue_acc ; [L914] retValue_acc = methaneLevelCritical [L915] return (retValue_acc); [L755] RET, EXPR isMethaneLevelCritical() [L755] tmp = isMethaneLevelCritical() [L757] COND TRUE \read(tmp) [L759] CALL, EXPR isPumpRunning() [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); [L759] RET, EXPR isPumpRunning() [L759] tmp___0 = isPumpRunning() [L761] COND TRUE \read(tmp___0) [L763] CALL __automaton_fail() [L706] CALL reach_error() [L3] __assert_fail("0", "minepump_spec1_product51.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 253 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 54.6s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 27.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 800 SDtfs, 1704 SDslu, 947 SDs, 0 SdLazy, 3864 SolverSat, 1105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=986occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 426 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 25.9s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 149044 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 9/10 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 incorrect! Received shutdown request...