/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:55:15,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:55:15,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:55:15,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:55:15,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:55:15,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:55:15,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:55:15,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:55:15,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:55:15,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:55:15,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:55:15,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:55:15,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:55:15,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:55:15,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:55:15,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:55:15,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:55:15,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:55:15,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:55:15,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:55:15,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:55:15,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:55:15,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:55:15,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:55:15,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:55:15,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:55:15,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:55:15,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:55:15,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:55:15,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:55:15,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:55:15,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:55:15,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:55:15,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:55:15,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:55:15,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:55:15,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:55:15,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:55:15,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:55:15,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:55:15,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:55:15,278 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 [2020-09-25 09:55:15,337 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:55:15,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:55:15,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:55:15,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:55:15,343 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:55:15,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:55:15,344 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:55:15,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:55:15,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:55:15,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:55:15,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:55:15,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:55:15,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:55:15,345 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:55:15,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:55:15,345 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:55:15,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:55:15,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:55:15,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:55:15,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:55:15,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:55:15,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:55:15,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:55:15,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:55:15,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:55:15,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:55:15,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:55:15,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:55:15,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:55:15,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:55:15,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:55:15,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:55:15,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:55:15,882 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:55:15,882 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:55:15,884 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-09-25 09:55:15,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae147d362/64958829b49f4dc981646f9c42e5e5e2/FLAGf46aec880 [2020-09-25 09:55:16,581 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:55:16,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-09-25 09:55:16,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae147d362/64958829b49f4dc981646f9c42e5e5e2/FLAGf46aec880 [2020-09-25 09:55:16,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae147d362/64958829b49f4dc981646f9c42e5e5e2 [2020-09-25 09:55:16,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:55:16,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:55:16,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:16,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:55:16,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:55:16,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:16" (1/1) ... [2020-09-25 09:55:16,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71155234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:16, skipping insertion in model container [2020-09-25 09:55:16,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:16" (1/1) ... [2020-09-25 09:55:16,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:55:16,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:55:17,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:17,400 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:55:17,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:17,663 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:55:17,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17 WrapperNode [2020-09-25 09:55:17,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:17,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:55:17,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:55:17,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:55:17,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17" (1/1) ... [2020-09-25 09:55:17,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17" (1/1) ... [2020-09-25 09:55:17,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17" (1/1) ... [2020-09-25 09:55:17,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17" (1/1) ... [2020-09-25 09:55:17,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17" (1/1) ... [2020-09-25 09:55:17,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17" (1/1) ... [2020-09-25 09:55:17,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17" (1/1) ... [2020-09-25 09:55:17,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:55:17,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:55:17,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:55:17,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:55:17,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17" (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 [2020-09-25 09:55:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:55:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:55:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:55:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:55:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:55:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:55:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:55:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:55:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:55:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:55:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:55:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:55:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:55:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:55:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:55:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:55:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:55:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:55:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:55:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:55:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:55:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:55:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:55:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:55:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:55:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:55:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:55:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:55:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:55:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:55:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:55:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:55:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:55:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:55:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:55:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:55:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:55:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:55:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:55:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:55:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:55:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:55:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:55:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:55:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:55:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:55:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:55:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:55:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:55:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:55:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:55:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:55:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:55:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:55:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:55:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:55:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:55:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:55:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:55:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:55:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:55:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:55:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:55:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:55:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:55:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:55:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:55:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:55:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:55:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:55:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:55:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:55:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:55:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:55:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:55:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:55:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:55:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:55:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:55:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:55:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:55:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:55:19,120 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:55:19,120 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:55:19,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:55:19 BoogieIcfgContainer [2020-09-25 09:55:19,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:55:19,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:55:19,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:55:19,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:55:19,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:55:16" (1/3) ... [2020-09-25 09:55:19,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3623f96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:55:19, skipping insertion in model container [2020-09-25 09:55:19,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:17" (2/3) ... [2020-09-25 09:55:19,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3623f96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:55:19, skipping insertion in model container [2020-09-25 09:55:19,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:55:19" (3/3) ... [2020-09-25 09:55:19,138 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-09-25 09:55:19,149 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:55:19,161 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:55:19,184 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:55:19,222 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:55:19,222 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:55:19,222 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:55:19,222 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:55:19,222 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:55:19,223 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:55:19,223 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:55:19,223 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:55:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states. [2020-09-25 09:55:19,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 09:55:19,278 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:19,279 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:19,280 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:19,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:19,289 INFO L82 PathProgramCache]: Analyzing trace with hash 298100152, now seen corresponding path program 1 times [2020-09-25 09:55:19,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:19,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759354079] [2020-09-25 09:55:19,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:19,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:20,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:21,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:21,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:24,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:24,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:24,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 09:55:24,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:55:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 09:55:24,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:24,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:55:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 09:55:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-25 09:55:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 09:55:25,173 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:25,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:25,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-09-25 09:55:25,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:55:25,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:25,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:25,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:25,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:25,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:25,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:25,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:25,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:55:25,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:25,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:25,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:25,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:25,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:25,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:25,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:25,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:25,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:25,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:55:25,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:55:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:25,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:55:25,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:25,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:25,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:25,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:25,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:55:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:25,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:25,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:25,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 09:55:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:25,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:25,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:25,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:25,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:25,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:55:25,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:25,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:25,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:25,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:25,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:25,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 09:55:25,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759354079] [2020-09-25 09:55:25,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:25,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:55:25,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661058868] [2020-09-25 09:55:25,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:55:25,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:25,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:55:25,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:55:25,838 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 9 states. [2020-09-25 09:55:26,457 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:27,243 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:27,616 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:55:29,270 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:29,577 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:29,937 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:30,571 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:30,874 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:55:31,155 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:31,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:31,515 INFO L93 Difference]: Finished difference Result 607 states and 732 transitions. [2020-09-25 09:55:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:55:31,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 09:55:31,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:31,556 INFO L225 Difference]: With dead ends: 607 [2020-09-25 09:55:31,557 INFO L226 Difference]: Without dead ends: 409 [2020-09-25 09:55:31,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:55:31,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-25 09:55:31,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 360. [2020-09-25 09:55:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-09-25 09:55:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 402 transitions. [2020-09-25 09:55:31,692 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 402 transitions. Word has length 160 [2020-09-25 09:55:31,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:31,693 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 402 transitions. [2020-09-25 09:55:31,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:55:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 402 transitions. [2020-09-25 09:55:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 09:55:31,700 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:31,701 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:31,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:55:31,701 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:31,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:31,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1593408735, now seen corresponding path program 1 times [2020-09-25 09:55:31,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:31,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317917140] [2020-09-25 09:55:31,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:31,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:32,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 09:55:34,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:55:34,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2295 [2020-09-25 09:55:34,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:55:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-09-25 09:55:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:34,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:34,511 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:34,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:34,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 09:55:34,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:34,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:34,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:34,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:34,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:34,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:34,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:34,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:34,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:34,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:34,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:34,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:34,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:34,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:34,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:34,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:34,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:34,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:34,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:34,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:34,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:34,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:34,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:55:34,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:34,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:34,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:34,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:34,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:55:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:34,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:34,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:34,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:34,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:34,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:34,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:34,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:34,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:55:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:34,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:34,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:34,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:34,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 09:55:34,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:34,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:34,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:55:34,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:55:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:34,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:34,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:35,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 09:55:35,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:55:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:35,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:35,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:35,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:55:35,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:55:35,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:35,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:35,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:35,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:35,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:35,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:35,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 09:55:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:35,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:35,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 09:55:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:35,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:35,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:55:35,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317917140] [2020-09-25 09:55:35,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:35,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:55:35,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328726106] [2020-09-25 09:55:35,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:55:35,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:35,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:55:35,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:55:35,176 INFO L87 Difference]: Start difference. First operand 360 states and 402 transitions. Second operand 10 states. [2020-09-25 09:55:36,701 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:37,019 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:37,342 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:55:37,681 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:38,053 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:55:38,390 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:39,140 INFO L93 Difference]: Finished difference Result 699 states and 848 transitions. [2020-09-25 09:55:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 09:55:39,141 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2020-09-25 09:55:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:39,148 INFO L225 Difference]: With dead ends: 699 [2020-09-25 09:55:39,148 INFO L226 Difference]: Without dead ends: 454 [2020-09-25 09:55:39,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:55:39,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-09-25 09:55:39,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 374. [2020-09-25 09:55:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-25 09:55:39,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 419 transitions. [2020-09-25 09:55:39,210 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 419 transitions. Word has length 216 [2020-09-25 09:55:39,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:39,211 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 419 transitions. [2020-09-25 09:55:39,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:55:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 419 transitions. [2020-09-25 09:55:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 09:55:39,215 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:39,216 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:39,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:55:39,216 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:39,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:39,217 INFO L82 PathProgramCache]: Analyzing trace with hash 36285474, now seen corresponding path program 1 times [2020-09-25 09:55:39,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:39,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393283365] [2020-09-25 09:55:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:39,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 09:55:40,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 891 [2020-09-25 09:55:40,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-25 09:55:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,470 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:40,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:40,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 09:55:40,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:40,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:40,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:40,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:40,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:40,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:40,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:40,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:40,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:40,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:40,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:40,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:55:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:40,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:40,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:40,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:40,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:55:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:40,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 09:55:40,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:55:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:40,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:40,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 09:55:40,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:55:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:40,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:40,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:55:40,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:55:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:40,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 09:55:40,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:55:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:40,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:40,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:40,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:40,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:55:40,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:40,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:40,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:40,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 09:55:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:40,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:40,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:40,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:40,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:40,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:40,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:40,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:40,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:40,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:40,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 09:55:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:41,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:41,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:41,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:41,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:41,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:41,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:41,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:41,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:41,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:41,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:55:41,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393283365] [2020-09-25 09:55:41,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:41,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:55:41,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83047295] [2020-09-25 09:55:41,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:55:41,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:41,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:55:41,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:55:41,107 INFO L87 Difference]: Start difference. First operand 374 states and 419 transitions. Second operand 9 states. [2020-09-25 09:55:42,455 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:42,756 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:43,097 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:43,500 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:43,811 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:44,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:44,810 INFO L93 Difference]: Finished difference Result 722 states and 874 transitions. [2020-09-25 09:55:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 09:55:44,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2020-09-25 09:55:44,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:44,814 INFO L225 Difference]: With dead ends: 722 [2020-09-25 09:55:44,814 INFO L226 Difference]: Without dead ends: 463 [2020-09-25 09:55:44,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 09:55:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-09-25 09:55:44,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 380. [2020-09-25 09:55:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-09-25 09:55:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 425 transitions. [2020-09-25 09:55:44,868 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 425 transitions. Word has length 225 [2020-09-25 09:55:44,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:44,868 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 425 transitions. [2020-09-25 09:55:44,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:55:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 425 transitions. [2020-09-25 09:55:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 09:55:44,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:44,872 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:44,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:55:44,873 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:44,873 INFO L82 PathProgramCache]: Analyzing trace with hash -584186273, now seen corresponding path program 1 times [2020-09-25 09:55:44,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:44,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037625340] [2020-09-25 09:55:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:44,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 09:55:46,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1525 [2020-09-25 09:55:46,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 09:55:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:55:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-25 09:55:46,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:46,850 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:46,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:47,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-09-25 09:55:47,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:55:47,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:47,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:47,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:47,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:47,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:47,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:47,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:47,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:55:47,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:47,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:47,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:47,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:47,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:47,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:55:47,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:55:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:47,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:55:47,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:47,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:47,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:47,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:47,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:47,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:55:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:47,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 09:55:47,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 09:55:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 09:55:47,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:47,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:47,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:55:47,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:47,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:47,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:47,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:47,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:55:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:47,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:55:47,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 09:55:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:47,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:47,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:47,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:47,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:47,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:47,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:47,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 09:55:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:47,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 09:55:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:47,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:47,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:47,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:47,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:47,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:47,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:47,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:47,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:47,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:47,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:47,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:47,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:55:47,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037625340] [2020-09-25 09:55:47,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:47,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:55:47,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804555479] [2020-09-25 09:55:47,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:55:47,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:47,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:55:47,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:55:47,559 INFO L87 Difference]: Start difference. First operand 380 states and 425 transitions. Second operand 7 states. [2020-09-25 09:55:48,118 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:48,953 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:50,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:50,922 INFO L93 Difference]: Finished difference Result 1037 states and 1274 transitions. [2020-09-25 09:55:50,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 09:55:50,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-09-25 09:55:50,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:50,929 INFO L225 Difference]: With dead ends: 1037 [2020-09-25 09:55:50,930 INFO L226 Difference]: Without dead ends: 761 [2020-09-25 09:55:50,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:55:50,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-09-25 09:55:51,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 672. [2020-09-25 09:55:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-09-25 09:55:51,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 778 transitions. [2020-09-25 09:55:51,025 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 778 transitions. Word has length 225 [2020-09-25 09:55:51,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:51,025 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 778 transitions. [2020-09-25 09:55:51,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:55:51,025 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 778 transitions. [2020-09-25 09:55:51,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-09-25 09:55:51,033 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:51,034 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:51,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:55:51,034 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:51,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:51,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1726731772, now seen corresponding path program 1 times [2020-09-25 09:55:51,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:51,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836562823] [2020-09-25 09:55:51,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:51,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:51,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:51,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:51,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:53,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5305 [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-25 09:55:56,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:55:56,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 278 [2020-09-25 09:55:56,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,780 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:56,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:57,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-09-25 09:55:57,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:55:57,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:57,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:57,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:57,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:57,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:57,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:57,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:57,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:55:57,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:57,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:57,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:57,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:57,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:57,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:57,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:55:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:55:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:55:57,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 09:55:57,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:55:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:57,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:55:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 09:55:57,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:55:57,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 09:55:57,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:55:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:55:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 09:55:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:57,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:55:57,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:57,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:57,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:57,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 09:55:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:55:57,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:55:57,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 09:55:57,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:55:57,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:57,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:57,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:57,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:57,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:55:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 09:55:57,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:55:57,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 09:55:57,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:55:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:55:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 09:55:57,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:57,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 09:55:57,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:57,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:57,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:57,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:57,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 09:55:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:55:57,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:55:57,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 09:55:57,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:55:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:57,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:57,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 09:55:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:57,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:55:57,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:57,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:57,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:57,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:57,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:57,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:57,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:57,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:57,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:58,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 09:55:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:58,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:58,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:58,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:58,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:58,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 09:55:58,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:58,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:58,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:58,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:58,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 09:55:58,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:58,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:58,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:58,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:58,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:58,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:58,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:55:58,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:58,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:58,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:58,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:58,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:58,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:58,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:58,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:58,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:58,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:58,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:55:58,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:58,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:58,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:58,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:58,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:58,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:58,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:58,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:58,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:58,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:58,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:55:58,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:58,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:58,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:58,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:58,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:58,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:58,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:58,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:58,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:58,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:58,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:58,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:58,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:58,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:58,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:58,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:58,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:58,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:58,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:58,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:58,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:58,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:58,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:58,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:55:58,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:58,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:58,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:58,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:58,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:58,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:58,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:58,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:58,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-25 09:55:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:58,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:58,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:58,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:58,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:58,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:55:58,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:58,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:58,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:58,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-25 09:55:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:58,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:58,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:58,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:58,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:58,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:58,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:58,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:58,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:58,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:58,351 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-09-25 09:55:58,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836562823] [2020-09-25 09:55:58,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:55:58,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-25 09:55:58,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662763617] [2020-09-25 09:55:58,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-25 09:55:58,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:58,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-25 09:55:58,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:55:58,354 INFO L87 Difference]: Start difference. First operand 672 states and 778 transitions. Second operand 17 states. [2020-09-25 09:55:58,869 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:59,810 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:00,678 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:01,033 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:01,431 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:01,770 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:02,123 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:02,452 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:02,872 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:03,211 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:05,218 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:05,523 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:06,161 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 09:56:06,520 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190