/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=SHALLOWEST --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_spec2_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:28:17,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:28:17,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:28:17,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:28:17,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:28:17,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:28:17,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:28:17,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:28:17,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:28:17,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:28:17,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:28:17,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:28:17,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:28:17,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:28:17,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:28:17,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:28:17,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:28:17,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:28:17,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:28:17,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:28:17,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:28:17,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:28:17,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:28:17,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:28:17,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:28:17,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:28:17,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:28:17,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:28:17,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:28:17,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:28:17,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:28:17,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:28:17,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:28:17,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:28:17,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:28:17,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:28:17,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:28:17,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:28:17,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:28:17,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:28:17,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:28:17,192 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 03:28:17,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:28:17,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:28:17,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:28:17,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:28:17,232 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:28:17,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:28:17,233 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:28:17,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:28:17,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:28:17,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:28:17,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:28:17,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:28:17,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:28:17,235 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:28:17,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:28:17,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:28:17,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:28:17,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:28:17,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:28:17,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:28:17,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:28:17,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:28:17,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:28:17,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:28:17,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:28:17,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:28:17,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:28:17,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:28:17,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:28:17,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:28:17,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:28:17,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:28:17,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:28:17,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:28:17,704 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:28:17,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-10-27 03:28:17,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69492966a/4dfe25010f744290a77c09bb12c3c6bf/FLAGd77ef363b [2020-10-27 03:28:18,524 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:28:18,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-10-27 03:28:18,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69492966a/4dfe25010f744290a77c09bb12c3c6bf/FLAGd77ef363b [2020-10-27 03:28:18,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69492966a/4dfe25010f744290a77c09bb12c3c6bf [2020-10-27 03:28:18,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:28:18,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:28:18,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:28:18,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:28:18,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:28:18,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:28:18" (1/1) ... [2020-10-27 03:28:18,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7946c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:18, skipping insertion in model container [2020-10-27 03:28:18,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:28:18" (1/1) ... [2020-10-27 03:28:18,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:28:18,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:28:19,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:28:19,348 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:28:19,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:28:19,492 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:28:19,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19 WrapperNode [2020-10-27 03:28:19,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:28:19,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:28:19,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:28:19,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:28:19,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19" (1/1) ... [2020-10-27 03:28:19,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19" (1/1) ... [2020-10-27 03:28:19,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19" (1/1) ... [2020-10-27 03:28:19,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19" (1/1) ... [2020-10-27 03:28:19,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19" (1/1) ... [2020-10-27 03:28:19,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19" (1/1) ... [2020-10-27 03:28:19,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19" (1/1) ... [2020-10-27 03:28:19,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:28:19,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:28:19,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:28:19,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:28:19,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19" (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 03:28:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:28:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:28:19,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:28:19,821 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:28:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:28:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:28:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:28:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:28:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:28:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:28:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:28:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:28:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:28:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:28:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:28:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:28:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 03:28:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 03:28:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:28:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:28:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:28:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:28:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:28:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:28:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:28:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:28:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:28:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:28:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:28:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:28:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:28:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:28:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:28:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:28:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:28:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:28:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:28:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:28:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:28:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:28:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:28:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:28:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:28:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:28:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:28:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:28:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:28:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:28:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:28:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:28:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:28:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 03:28:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 03:28:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:28:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:28:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:28:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:28:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:28:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:28:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:28:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:28:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:28:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:28:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:28:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:28:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:28:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:28:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:28:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:28:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:28:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:28:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:28:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:28:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:28:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:28:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:28:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:28:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:28:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:28:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:28:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:28:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:28:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:28:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:28:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:28:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:28:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:28:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:28:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:28:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:28:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:28:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:28:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:28:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:28:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:28:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:28:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:28:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:28:21,284 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:28:21,285 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:28:21,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:28:21 BoogieIcfgContainer [2020-10-27 03:28:21,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:28:21,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:28:21,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:28:21,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:28:21,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:28:18" (1/3) ... [2020-10-27 03:28:21,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eab14e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:28:21, skipping insertion in model container [2020-10-27 03:28:21,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:19" (2/3) ... [2020-10-27 03:28:21,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eab14e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:28:21, skipping insertion in model container [2020-10-27 03:28:21,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:28:21" (3/3) ... [2020-10-27 03:28:21,297 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product44.cil.c [2020-10-27 03:28:21,311 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:28:21,317 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:28:21,332 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:28:21,392 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:28:21,392 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:28:21,392 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:28:21,393 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:28:21,393 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:28:21,393 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:28:21,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:28:21,393 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:28:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-10-27 03:28:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 03:28:21,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:21,430 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] [2020-10-27 03:28:21,431 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 03:28:21,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:21,442 INFO L82 PathProgramCache]: Analyzing trace with hash 284546227, now seen corresponding path program 1 times [2020-10-27 03:28:21,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:21,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120435937] [2020-10-27 03:28:21,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:21,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:22,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:22,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:24,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:26,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:26,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:28:26,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:28:26,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 03:28:26,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:28:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 03:28:26,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:28:27,338 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:27,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:27,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:27,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:27,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:27,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:27,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-27 03:28:27,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:27,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:27,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:27,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:27,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:27,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:27,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:27,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:27,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:27,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:27,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:27,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:27,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:27,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:28:27,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:27,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:27,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:27,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:27,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:27,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:27,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:27,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:27,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:27,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:27,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:28:27,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:27,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:27,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:27,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:27,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:27,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:27,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:27,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:27,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:28:27,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:27,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:27,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:27,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:27,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:27,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:27,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:28:27,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:27,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:27,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:27,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:27,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:28:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:27,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:27,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:27,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:27,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:27,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:27,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:27,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:27,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:27,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:27,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:27,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:28:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:27,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:27,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:27,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:27,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:27,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:27,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:27,674 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 03:28:27,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120435937] [2020-10-27 03:28:27,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:27,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 03:28:27,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528842469] [2020-10-27 03:28:27,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 03:28:27,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:27,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 03:28:27,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:28:27,705 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 5 states. [2020-10-27 03:28:28,393 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:31,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:31,066 INFO L93 Difference]: Finished difference Result 440 states and 573 transitions. [2020-10-27 03:28:31,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:28:31,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-27 03:28:31,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:31,085 INFO L225 Difference]: With dead ends: 440 [2020-10-27 03:28:31,085 INFO L226 Difference]: Without dead ends: 291 [2020-10-27 03:28:31,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:28:31,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-27 03:28:31,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 227. [2020-10-27 03:28:31,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-27 03:28:31,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 270 transitions. [2020-10-27 03:28:31,246 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 270 transitions. Word has length 52 [2020-10-27 03:28:31,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:31,246 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 270 transitions. [2020-10-27 03:28:31,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 03:28:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 270 transitions. [2020-10-27 03:28:31,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 03:28:31,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:31,251 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] [2020-10-27 03:28:31,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:28:31,252 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 03:28:31,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:31,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1385948782, now seen corresponding path program 1 times [2020-10-27 03:28:31,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:31,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613677978] [2020-10-27 03:28:31,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:31,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:31,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:31,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:35,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:35,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:36,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 03:28:36,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:28:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 03:28:36,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:28:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 03:28:36,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:36,767 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:36,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:36,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:36,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:36,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:36,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 03:28:36,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:36,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:36,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:36,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:36,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:36,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:36,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:36,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:36,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:36,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:36,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:36,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:36,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:36,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:36,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:36,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:36,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:36,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:36,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:36,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:36,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:36,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:36,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:36,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:36,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:36,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:36,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:36,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:36,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:36,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:36,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:36,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:36,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:36,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:36,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:36,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:36,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:36,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:36,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:36,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:36,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:36,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:36,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:28:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:36,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:36,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:28:36,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:28:36,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:28:36,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:36,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:36,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:28:36,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:28:36,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:28:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:37,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:37,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:37,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:37,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:37,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:37,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:37,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 03:28:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:37,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:37,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:37,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:37,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:37,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:37,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:37,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 03:28:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:37,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:37,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:37,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:37,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:37,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:37,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:37,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 03:28:37,149 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 03:28:37,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613677978] [2020-10-27 03:28:37,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:37,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:28:37,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177608422] [2020-10-27 03:28:37,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:28:37,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:37,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:28:37,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:28:37,155 INFO L87 Difference]: Start difference. First operand 227 states and 270 transitions. Second operand 11 states. [2020-10-27 03:28:37,870 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:39,371 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:39,901 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:40,379 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:28:41,192 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:41,773 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 03:28:42,548 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 03:28:43,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:43,647 INFO L93 Difference]: Finished difference Result 700 states and 926 transitions. [2020-10-27 03:28:43,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 03:28:43,647 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-27 03:28:43,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:43,654 INFO L225 Difference]: With dead ends: 700 [2020-10-27 03:28:43,655 INFO L226 Difference]: Without dead ends: 501 [2020-10-27 03:28:43,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702 [2020-10-27 03:28:43,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-10-27 03:28:43,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 404. [2020-10-27 03:28:43,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-10-27 03:28:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 489 transitions. [2020-10-27 03:28:43,781 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 489 transitions. Word has length 66 [2020-10-27 03:28:43,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:43,781 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 489 transitions. [2020-10-27 03:28:43,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:28:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 489 transitions. [2020-10-27 03:28:43,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 03:28:43,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:43,787 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:28:43,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:28:43,787 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 03:28:43,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:43,788 INFO L82 PathProgramCache]: Analyzing trace with hash -783738957, now seen corresponding path program 1 times [2020-10-27 03:28:43,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:43,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261951094] [2020-10-27 03:28:43,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:43,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:43,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:44,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:44,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:48,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:48,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 03:28:48,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:28:48,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 03:28:48,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:48,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:28:48,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:48,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-27 03:28:48,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,250 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:49,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:49,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 03:28:49,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:49,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:49,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:49,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:49,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:49,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:49,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:49,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:49,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:49,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:49,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:49,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:49,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:28:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:28:49,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:28:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-27 03:28:49,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:28:49,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 03:28:49,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:28:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:28:49,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:49,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:49,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:28:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:28:49,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:49,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:49,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:28:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:28:49,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 03:28:49,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:28:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 03:28:49,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:28:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:28:49,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:28:49,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:28:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:28:49,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:28:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:49,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:49,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:28:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:49,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:49,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:49,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:49,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 03:28:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:49,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:49,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:49,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:49,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:49,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 03:28:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:49,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:49,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:49,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:49,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:49,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:49,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:49,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:28:49,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261951094] [2020-10-27 03:28:49,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:49,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 03:28:49,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356230194] [2020-10-27 03:28:49,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 03:28:49,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:49,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 03:28:49,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:28:49,931 INFO L87 Difference]: Start difference. First operand 404 states and 489 transitions. Second operand 13 states. [2020-10-27 03:28:50,788 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:52,298 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:52,783 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:53,178 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:53,582 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:54,426 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:54,920 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:55,410 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:55,871 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:56,605 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:57,071 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:57,579 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:57,992 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:59,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:59,745 INFO L93 Difference]: Finished difference Result 1184 states and 1602 transitions. [2020-10-27 03:28:59,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 03:28:59,745 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2020-10-27 03:28:59,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:59,764 INFO L225 Difference]: With dead ends: 1184 [2020-10-27 03:28:59,765 INFO L226 Difference]: Without dead ends: 725 [2020-10-27 03:28:59,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=200, Invalid=856, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 03:28:59,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2020-10-27 03:28:59,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 598. [2020-10-27 03:28:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-27 03:28:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 707 transitions. [2020-10-27 03:28:59,995 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 707 transitions. Word has length 91 [2020-10-27 03:28:59,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:59,996 INFO L481 AbstractCegarLoop]: Abstraction has 598 states and 707 transitions. [2020-10-27 03:28:59,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 03:28:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 707 transitions. [2020-10-27 03:29:00,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 03:29:00,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:00,007 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 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, 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 03:29:00,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:29:00,008 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 03:29:00,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:00,009 INFO L82 PathProgramCache]: Analyzing trace with hash -229661291, now seen corresponding path program 1 times [2020-10-27 03:29:00,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:00,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815827905] [2020-10-27 03:29:00,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-27 03:29:03,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:29:03,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3117 [2020-10-27 03:29:03,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 03:29:03,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:29:03,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,541 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:03,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:29:03,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:03,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:03,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:03,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:29:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:03,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:29:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:29:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:29:03,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:03,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 03:29:03,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:29:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:29:03,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:03,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 03:29:03,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:29:03,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:03,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:03,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:03,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:03,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:03,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:03,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:03,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:29:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:29:03,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:29:03,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:29:03,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 03:29:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:03,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 03:29:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 03:29:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 03:29:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:03,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 03:29:03,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815827905] [2020-10-27 03:29:03,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:29:03,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:29:03,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201465110] [2020-10-27 03:29:03,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:29:03,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:03,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:29:03,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:29:03,959 INFO L87 Difference]: Start difference. First operand 598 states and 707 transitions. Second operand 11 states. [2020-10-27 03:29:04,666 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:05,732 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:11,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:11,233 INFO L93 Difference]: Finished difference Result 1487 states and 2092 transitions. [2020-10-27 03:29:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-27 03:29:11,234 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2020-10-27 03:29:11,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:11,244 INFO L225 Difference]: With dead ends: 1487 [2020-10-27 03:29:11,244 INFO L226 Difference]: Without dead ends: 917 [2020-10-27 03:29:11,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=405, Invalid=1757, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 03:29:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-10-27 03:29:11,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 417. [2020-10-27 03:29:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-27 03:29:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 484 transitions. [2020-10-27 03:29:11,390 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 484 transitions. Word has length 133 [2020-10-27 03:29:11,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:11,390 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 484 transitions. [2020-10-27 03:29:11,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:29:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 484 transitions. [2020-10-27 03:29:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 03:29:11,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:11,396 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:29:11,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:29:11,397 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 03:29:11,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:11,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1266973732, now seen corresponding path program 1 times [2020-10-27 03:29:11,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:11,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915240719] [2020-10-27 03:29:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:11,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:11,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:12,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 03:29:12,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:12,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1176 [2020-10-27 03:29:12,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 03:29:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:12,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,094 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:13,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 03:29:13,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:13,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:13,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:13,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:13,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:13,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:29:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:29:13,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 03:29:13,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:29:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:13,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:13,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 03:29:13,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:29:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:13,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:29:13,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:29:13,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:13,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:13,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:13,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:13,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:13,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:29:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:13,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:13,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:13,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:29:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:29:13,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:13,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:29:13,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 03:29:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:13,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 03:29:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:13,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 03:29:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:29:13,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:29:13,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:13,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:13,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:29:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:13,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:13,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 03:29:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 03:29:13,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915240719] [2020-10-27 03:29:13,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:29:13,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:29:13,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998655649] [2020-10-27 03:29:13,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:29:13,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:13,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:29:13,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:29:13,585 INFO L87 Difference]: Start difference. First operand 417 states and 484 transitions. Second operand 12 states. [2020-10-27 03:29:15,132 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:15,507 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:29:15,959 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:16,386 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:19,092 INFO L93 Difference]: Finished difference Result 1217 states and 1696 transitions. [2020-10-27 03:29:19,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 03:29:19,098 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-10-27 03:29:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:19,105 INFO L225 Difference]: With dead ends: 1217 [2020-10-27 03:29:19,106 INFO L226 Difference]: Without dead ends: 828 [2020-10-27 03:29:19,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2020-10-27 03:29:19,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-27 03:29:19,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 427. [2020-10-27 03:29:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-27 03:29:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 494 transitions. [2020-10-27 03:29:19,215 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 494 transitions. Word has length 136 [2020-10-27 03:29:19,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:19,215 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 494 transitions. [2020-10-27 03:29:19,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:29:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 494 transitions. [2020-10-27 03:29:19,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 03:29:19,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:19,218 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:29:19,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:29:19,219 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 03:29:19,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:19,219 INFO L82 PathProgramCache]: Analyzing trace with hash 609509086, now seen corresponding path program 1 times [2020-10-27 03:29:19,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:19,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12993893] [2020-10-27 03:29:19,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:19,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:19,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 03:29:20,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:20,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 985 [2020-10-27 03:29:20,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:20,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-27 03:29:20,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:20,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,594 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:20,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:20,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:29:20,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:20,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:20,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:20,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:20,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:20,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:20,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:20,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:20,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:20,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:20,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:20,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:29:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:29:20,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 03:29:20,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:20,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:29:20,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:20,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:20,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:29:20,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:20,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:29:20,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:20,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:20,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:29:20,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:29:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:20,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:20,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:29:20,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:29:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:20,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:20,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:29:20,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:20,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:20,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:20,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:20,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:20,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:20,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:29:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:29:20,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:29:20,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:29:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:20,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:20,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 03:29:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:20,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:20,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:20,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 03:29:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 03:29:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:29:21,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:21,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:29:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:21,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:21,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:29:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:21,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 03:29:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:21,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 03:29:21,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12993893] [2020-10-27 03:29:21,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:29:21,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 03:29:21,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372255515] [2020-10-27 03:29:21,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:29:21,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:21,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:29:21,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:29:21,085 INFO L87 Difference]: Start difference. First operand 427 states and 494 transitions. Second operand 11 states. [2020-10-27 03:29:22,487 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:22,891 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:23,300 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:25,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:25,788 INFO L93 Difference]: Finished difference Result 1239 states and 1736 transitions. [2020-10-27 03:29:25,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 03:29:25,789 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-10-27 03:29:25,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:25,797 INFO L225 Difference]: With dead ends: 1239 [2020-10-27 03:29:25,797 INFO L226 Difference]: Without dead ends: 840 [2020-10-27 03:29:25,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-27 03:29:25,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-10-27 03:29:25,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 435. [2020-10-27 03:29:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-10-27 03:29:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 502 transitions. [2020-10-27 03:29:25,946 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 502 transitions. Word has length 136 [2020-10-27 03:29:25,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:25,946 INFO L481 AbstractCegarLoop]: Abstraction has 435 states and 502 transitions. [2020-10-27 03:29:25,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:29:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 502 transitions. [2020-10-27 03:29:25,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 03:29:25,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:25,949 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:29:25,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:29:25,950 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 03:29:25,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:25,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1205101125, now seen corresponding path program 1 times [2020-10-27 03:29:25,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:25,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277998052] [2020-10-27 03:29:25,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:26,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:26,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:26,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 03:29:31,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:29:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 03:29:31,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:29:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 03:29:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,368 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:31,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 03:29:31,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:29:31,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:31,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:31,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:31,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:31,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 03:29:31,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:31,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:31,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:31,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:31,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:31,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:31,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:29:31,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:29:31,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:29:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 03:29:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:31,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:29:31,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:29:31,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:29:31,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:31,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:31,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:29:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:31,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:29:31,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:31,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:29:31,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:29:31,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:31,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:31,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:31,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:29:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:29:31,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:29:31,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:29:31,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 03:29:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:29:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 03:29:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:29:31,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:29:31,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:31,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:31,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 03:29:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 03:29:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:31,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:31,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:31,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:31,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:31,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:31,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:31,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:31,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 03:29:31,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277998052] [2020-10-27 03:29:31,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:29:31,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:29:31,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678386203] [2020-10-27 03:29:31,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:29:31,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:31,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:29:31,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:29:31,861 INFO L87 Difference]: Start difference. First operand 435 states and 502 transitions. Second operand 12 states. [2020-10-27 03:29:32,474 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:33,724 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-27 03:29:37,186 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:38,717 INFO L93 Difference]: Finished difference Result 1635 states and 2120 transitions. [2020-10-27 03:29:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 03:29:38,718 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 140 [2020-10-27 03:29:38,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:38,727 INFO L225 Difference]: With dead ends: 1635 [2020-10-27 03:29:38,727 INFO L226 Difference]: Without dead ends: 1228 [2020-10-27 03:29:38,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=314, Invalid=1018, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 03:29:38,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2020-10-27 03:29:38,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 977. [2020-10-27 03:29:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-10-27 03:29:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1142 transitions. [2020-10-27 03:29:38,998 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1142 transitions. Word has length 140 [2020-10-27 03:29:38,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:38,999 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1142 transitions. [2020-10-27 03:29:38,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:29:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1142 transitions. [2020-10-27 03:29:39,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 03:29:39,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:39,002 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:29:39,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:29:39,003 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:29:39,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:39,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1004919225, now seen corresponding path program 1 times [2020-10-27 03:29:39,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:39,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596826812] [2020-10-27 03:29:39,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:39,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:39,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:39,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 03:29:39,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:39,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-27 03:29:39,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:29:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-27 03:29:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 03:29:39,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:39,853 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:39,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:39,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:39,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:39,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:39,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:39,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:29:39,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:39,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:39,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:39,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:39,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:39,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:39,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:39,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:39,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:39,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:39,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:39,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:39,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:39,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:39,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:39,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:39,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:39,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:39,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:39,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:39,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:39,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:39,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:39,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:39,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:39,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:39,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:39,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:39,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:39,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:39,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:39,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:39,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:39,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:39,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:39,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:39,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:39,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:39,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:39,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:39,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:39,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:39,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:39,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:39,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:39,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:39,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:39,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:39,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:39,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:29:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:39,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:39,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:39,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:39,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:39,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:39,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:39,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:39,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:39,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:39,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:39,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:39,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:39,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:39,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:29:39,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:39,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:29:39,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 03:29:39,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:40,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:29:40,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:40,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:40,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:40,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:40,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:40,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:40,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:40,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:40,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:40,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:40,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:40,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:40,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:40,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:40,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:40,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:40,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:40,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:40,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:40,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:40,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:29:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:29:40,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:40,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:40,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 03:29:40,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:40,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:40,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:40,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 03:29:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:40,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:40,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:40,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:29:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:40,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:40,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:40,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:40,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 03:29:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:29:40,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:40,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:40,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:29:40,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:40,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:40,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 03:29:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:40,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:40,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:40,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:40,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 03:29:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:40,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:40,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:40,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:40,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:40,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:40,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:40,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 03:29:40,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596826812] [2020-10-27 03:29:40,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:29:40,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:29:40,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466620454] [2020-10-27 03:29:40,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:29:40,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:40,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:29:40,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:29:40,132 INFO L87 Difference]: Start difference. First operand 977 states and 1142 transitions. Second operand 9 states. [2020-10-27 03:29:40,772 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:44,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:44,685 INFO L93 Difference]: Finished difference Result 1901 states and 2453 transitions. [2020-10-27 03:29:44,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 03:29:44,686 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2020-10-27 03:29:44,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:44,699 INFO L225 Difference]: With dead ends: 1901 [2020-10-27 03:29:44,699 INFO L226 Difference]: Without dead ends: 1897 [2020-10-27 03:29:44,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2020-10-27 03:29:44,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2020-10-27 03:29:45,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1434. [2020-10-27 03:29:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-10-27 03:29:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1688 transitions. [2020-10-27 03:29:45,113 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 1688 transitions. Word has length 140 [2020-10-27 03:29:45,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:45,113 INFO L481 AbstractCegarLoop]: Abstraction has 1434 states and 1688 transitions. [2020-10-27 03:29:45,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:29:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1688 transitions. [2020-10-27 03:29:45,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-27 03:29:45,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:45,120 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 03:29:45,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:29:45,122 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:29:45,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:45,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1298895400, now seen corresponding path program 1 times [2020-10-27 03:29:45,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:45,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393697136] [2020-10-27 03:29:45,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 03:29:45,173 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 03:29:45,173 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 03:29:45,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:29:45,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:29:45 BoogieIcfgContainer [2020-10-27 03:29:45,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:29:45,242 INFO L168 Benchmark]: Toolchain (without parser) took 86410.89 ms. Allocated memory was 161.5 MB in the beginning and 714.1 MB in the end (delta: 552.6 MB). Free memory was 136.6 MB in the beginning and 449.9 MB in the end (delta: -313.4 MB). Peak memory consumption was 239.9 MB. Max. memory is 8.0 GB. [2020-10-27 03:29:45,242 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 161.5 MB. Free memory is still 133.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:29:45,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.11 ms. Allocated memory is still 161.5 MB. Free memory was 135.9 MB in the beginning and 114.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:29:45,256 INFO L168 Benchmark]: Boogie Preprocessor took 175.60 ms. Allocated memory is still 161.5 MB. Free memory was 114.3 MB in the beginning and 110.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:29:45,256 INFO L168 Benchmark]: RCFGBuilder took 1612.81 ms. Allocated memory is still 161.5 MB. Free memory was 110.1 MB in the beginning and 56.9 MB in the end (delta: 53.2 MB). Peak memory consumption was 54.6 MB. Max. memory is 8.0 GB. [2020-10-27 03:29:45,257 INFO L168 Benchmark]: TraceAbstraction took 83950.67 ms. Allocated memory was 161.5 MB in the beginning and 714.1 MB in the end (delta: 552.6 MB). Free memory was 56.4 MB in the beginning and 449.9 MB in the end (delta: -393.5 MB). Peak memory consumption was 159.1 MB. Max. memory is 8.0 GB. [2020-10-27 03:29:45,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 161.5 MB. Free memory is still 133.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 652.11 ms. Allocated memory is still 161.5 MB. Free memory was 135.9 MB in the beginning and 114.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 175.60 ms. Allocated memory is still 161.5 MB. Free memory was 114.3 MB in the beginning and 110.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1612.81 ms. Allocated memory is still 161.5 MB. Free memory was 110.1 MB in the beginning and 56.9 MB in the end (delta: 53.2 MB). Peak memory consumption was 54.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 83950.67 ms. Allocated memory was 161.5 MB in the beginning and 714.1 MB in the end (delta: 552.6 MB). Free memory was 56.4 MB in the beginning and 449.9 MB in the end (delta: -393.5 MB). Peak memory consumption was 159.1 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: [L134] int pumpRunning = 0; [L135] int systemActive = 1; [L366] int cleanupTimeShifts = 4; [L464] int methAndRunningLastTime ; [L504] int waterLevel = 1; [L505] int methaneLevelCritical = 0; [L767] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L441] int retValue_acc ; [L442] int tmp ; [L446] FCALL select_helpers() [L447] FCALL select_features() [L448] CALL, EXPR valid_product() [L357] int retValue_acc ; [L360] retValue_acc = 1 [L361] return (retValue_acc); [L448] RET, EXPR valid_product() [L448] tmp = valid_product() [L450] COND TRUE \read(tmp) [L452] FCALL setup() [L453] CALL runTest() [L434] CALL __utac_acc__Specification2_spec__1() [L469] methAndRunningLastTime = 0 [L434] RET __utac_acc__Specification2_spec__1() [L435] CALL test() [L58] int splverifierCounter ; [L59] int tmp ; [L60] int tmp___0 ; [L61] int tmp___1 ; [L62] int tmp___2 ; [L65] splverifierCounter = 0 [L67] COND TRUE 1 [L69] COND TRUE splverifierCounter < 4 [L75] tmp = __VERIFIER_nondet_int() [L77] COND TRUE \read(tmp) [L79] CALL waterRise() [L522] COND TRUE waterLevel < 2 [L523] waterLevel = waterLevel + 1 [L79] RET waterRise() [L85] tmp___0 = __VERIFIER_nondet_int() [L87] COND FALSE !(\read(tmp___0)) [L95] tmp___2 = __VERIFIER_nondet_int() [L97] COND FALSE !(\read(tmp___2)) [L103] tmp___1 = __VERIFIER_nondet_int() [L105] COND FALSE !(\read(tmp___1)) [L114] CALL timeShift() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND TRUE ! pumpRunning [L176] CALL, EXPR isHighWaterLevel() [L286] int retValue_acc ; [L287] int tmp ; [L288] int tmp___0 ; [L292] CALL, EXPR isHighWaterSensorDry() [L584] int retValue_acc ; [L587] COND FALSE !(waterLevel < 2) [L591] retValue_acc = 0 [L592] return (retValue_acc); [L292] RET, EXPR isHighWaterSensorDry() [L292] tmp = isHighWaterSensorDry() [L294] COND FALSE !(\read(tmp)) [L297] tmp___0 = 1 [L299] retValue_acc = tmp___0 [L300] return (retValue_acc); [L176] RET, EXPR isHighWaterLevel() [L176] tmp = isHighWaterLevel() [L178] COND TRUE \read(tmp) [L180] CALL activatePump() [L205] int tmp ; [L209] CALL, EXPR isMethaneAlarm() [L230] int retValue_acc ; [L234] CALL, EXPR isMethaneLevelCritical() [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L234] RET, EXPR isMethaneLevelCritical() [L234] retValue_acc = isMethaneLevelCritical() [L236] return (retValue_acc); [L209] RET, EXPR isMethaneAlarm() [L209] tmp = isMethaneAlarm() [L211] COND FALSE !(\read(tmp)) [L215] CALL activatePump__wrappee__highWaterSensor() [L199] pumpRunning = 1 [L215] RET activatePump__wrappee__highWaterSensor() [L180] RET activatePump() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification2_spec__2() [L474] int tmp ; [L475] int tmp___0 ; [L479] CALL, EXPR isMethaneLevelCritical() [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() [L479] tmp = isMethaneLevelCritical() [L481] COND FALSE !(\read(tmp)) [L497] methAndRunningLastTime = 0 [L157] RET __utac_acc__Specification2_spec__2() [L114] RET timeShift() [L67] COND TRUE 1 [L69] COND TRUE splverifierCounter < 4 [L75] tmp = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp)) [L85] tmp___0 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___0) [L89] CALL changeMethaneLevel() [L534] COND FALSE !(\read(methaneLevelCritical)) [L537] methaneLevelCritical = 1 [L89] RET changeMethaneLevel() [L95] tmp___2 = __VERIFIER_nondet_int() [L97] COND FALSE !(\read(tmp___2)) [L103] tmp___1 = __VERIFIER_nondet_int() [L105] COND FALSE !(\read(tmp___1)) [L114] CALL timeShift() [L142] COND TRUE \read(pumpRunning) [L144] CALL lowerWaterLevel() [L510] COND TRUE waterLevel > 0 [L511] waterLevel = waterLevel - 1 [L144] RET lowerWaterLevel() [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(! pumpRunning) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification2_spec__2() [L474] int tmp ; [L475] int tmp___0 ; [L479] CALL, EXPR isMethaneLevelCritical() [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() [L479] tmp = isMethaneLevelCritical() [L481] COND TRUE \read(tmp) [L483] CALL, EXPR isPumpRunning() [L241] int retValue_acc ; [L244] retValue_acc = pumpRunning [L245] return (retValue_acc); [L483] RET, EXPR isPumpRunning() [L483] tmp___0 = isPumpRunning() [L485] COND TRUE \read(tmp___0) [L486] COND FALSE !(\read(methAndRunningLastTime)) [L491] methAndRunningLastTime = 1 [L157] RET __utac_acc__Specification2_spec__2() [L114] RET timeShift() [L67] COND TRUE 1 [L69] COND TRUE splverifierCounter < 4 [L75] tmp = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp)) [L85] tmp___0 = __VERIFIER_nondet_int() [L87] COND FALSE !(\read(tmp___0)) [L95] tmp___2 = __VERIFIER_nondet_int() [L97] COND FALSE !(\read(tmp___2)) [L103] tmp___1 = __VERIFIER_nondet_int() [L105] COND FALSE !(\read(tmp___1)) [L114] CALL timeShift() [L142] COND TRUE \read(pumpRunning) [L144] CALL lowerWaterLevel() [L510] COND TRUE waterLevel > 0 [L511] waterLevel = waterLevel - 1 [L144] RET lowerWaterLevel() [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(! pumpRunning) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification2_spec__2() [L474] int tmp ; [L475] int tmp___0 ; [L479] CALL, EXPR isMethaneLevelCritical() [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() [L479] tmp = isMethaneLevelCritical() [L481] COND TRUE \read(tmp) [L483] CALL, EXPR isPumpRunning() [L241] int retValue_acc ; [L244] retValue_acc = pumpRunning [L245] return (retValue_acc); [L483] RET, EXPR isPumpRunning() [L483] tmp___0 = isPumpRunning() [L485] COND TRUE \read(tmp___0) [L486] COND TRUE \read(methAndRunningLastTime) [L488] CALL __automaton_fail() [L46] CALL reach_error() [L3] __assert_fail("0", "minepump_spec2_product44.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 249 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 83.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 48.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1141 SDtfs, 3873 SDslu, 1736 SDs, 0 SdLazy, 8781 SolverSat, 2833 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 561 GetRequests, 351 SyntacticMatches, 4 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1650 ImplicationChecksByTransitivity, 19.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1434occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2308 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 32.5s InterpolantComputationTime, 1077 NumberOfCodeBlocks, 1077 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 886 ConstructedInterpolants, 0 QuantifiedInterpolants, 350367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 149/157 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...