/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 10:15:16,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 10:15:16,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 10:15:16,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 10:15:16,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 10:15:16,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 10:15:16,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 10:15:16,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 10:15:16,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 10:15:16,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 10:15:16,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 10:15:16,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 10:15:16,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 10:15:16,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 10:15:16,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 10:15:16,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 10:15:16,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 10:15:16,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 10:15:16,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 10:15:16,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 10:15:16,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 10:15:16,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 10:15:16,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 10:15:16,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 10:15:16,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 10:15:16,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 10:15:16,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 10:15:16,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 10:15:16,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 10:15:16,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 10:15:16,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 10:15:16,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 10:15:16,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 10:15:16,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 10:15:16,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 10:15:16,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 10:15:16,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 10:15:16,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 10:15:16,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 10:15:16,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 10:15:16,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 10:15:16,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 10:15:16,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 10:15:16,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 10:15:16,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 10:15:16,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 10:15:16,403 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 10:15:16,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 10:15:16,404 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 10:15:16,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 10:15:16,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 10:15:16,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 10:15:16,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 10:15:16,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 10:15:16,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 10:15:16,406 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 10:15:16,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 10:15:16,407 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 10:15:16,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 10:15:16,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 10:15:16,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 10:15:16,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 10:15:16,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 10:15:16,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:15:16,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 10:15:16,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 10:15:16,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 10:15:16,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 10:15:16,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 10:15:16,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 10:15:16,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 10:15:16,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 10:15:16,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 10:15:16,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 10:15:16,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 10:15:16,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 10:15:16,899 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 10:15:16,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product25.cil.c [2020-10-29 10:15:16,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3599740c/b525b77fbc2d43afaaf385a35b2edf96/FLAG39d67b8ee [2020-10-29 10:15:17,794 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 10:15:17,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product25.cil.c [2020-10-29 10:15:17,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3599740c/b525b77fbc2d43afaaf385a35b2edf96/FLAG39d67b8ee [2020-10-29 10:15:17,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3599740c/b525b77fbc2d43afaaf385a35b2edf96 [2020-10-29 10:15:17,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 10:15:17,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 10:15:17,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 10:15:17,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 10:15:17,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 10:15:17,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:15:17" (1/1) ... [2020-10-29 10:15:17,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f8bf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:17, skipping insertion in model container [2020-10-29 10:15:17,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:15:17" (1/1) ... [2020-10-29 10:15:17,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 10:15:18,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 10:15:18,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:15:18,841 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 10:15:18,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:15:19,071 INFO L208 MainTranslator]: Completed translation [2020-10-29 10:15:19,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19 WrapperNode [2020-10-29 10:15:19,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 10:15:19,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 10:15:19,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 10:15:19,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 10:15:19,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19" (1/1) ... [2020-10-29 10:15:19,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19" (1/1) ... [2020-10-29 10:15:19,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19" (1/1) ... [2020-10-29 10:15:19,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19" (1/1) ... [2020-10-29 10:15:19,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19" (1/1) ... [2020-10-29 10:15:19,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19" (1/1) ... [2020-10-29 10:15:19,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19" (1/1) ... [2020-10-29 10:15:19,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 10:15:19,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 10:15:19,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 10:15:19,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 10:15:19,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:15:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 10:15:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 10:15:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 10:15:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 10:15:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 10:15:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 10:15:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 10:15:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 10:15:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 10:15:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 10:15:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 10:15:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 10:15:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 10:15:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 10:15:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-29 10:15:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-29 10:15:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 10:15:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-29 10:15:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-29 10:15:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-29 10:15:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-29 10:15:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-29 10:15:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-29 10:15:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-29 10:15:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-29 10:15:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 10:15:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-29 10:15:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-29 10:15:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-29 10:15:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 10:15:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-29 10:15:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 10:15:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 10:15:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 10:15:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-29 10:15:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-29 10:15:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-29 10:15:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-29 10:15:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-29 10:15:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-29 10:15:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-29 10:15:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-29 10:15:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-29 10:15:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-29 10:15:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-29 10:15:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-29 10:15:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 10:15:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-29 10:15:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-29 10:15:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-29 10:15:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-29 10:15:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-29 10:15:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-29 10:15:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-29 10:15:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-29 10:15:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-29 10:15:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-29 10:15:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-29 10:15:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-29 10:15:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-29 10:15:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-29 10:15:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-29 10:15:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-29 10:15:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-29 10:15:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-29 10:15:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-29 10:15:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-29 10:15:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-29 10:15:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-29 10:15:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-29 10:15:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-29 10:15:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-29 10:15:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-29 10:15:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 10:15:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-29 10:15:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-29 10:15:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 10:15:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 10:15:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 10:15:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 10:15:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 10:15:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 10:15:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 10:15:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 10:15:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 10:15:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 10:15:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 10:15:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 10:15:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 10:15:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 10:15:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 10:15:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 10:15:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 10:15:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 10:15:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 10:15:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 10:15:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 10:15:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 10:15:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 10:15:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 10:15:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-29 10:15:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-29 10:15:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 10:15:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-29 10:15:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-29 10:15:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-29 10:15:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-29 10:15:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-29 10:15:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-29 10:15:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 10:15:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 10:15:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-29 10:15:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-29 10:15:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-29 10:15:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-29 10:15:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-29 10:15:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-29 10:15:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-29 10:15:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-29 10:15:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-29 10:15:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 10:15:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-29 10:15:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-29 10:15:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-29 10:15:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 10:15:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-29 10:15:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 10:15:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-29 10:15:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-29 10:15:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 10:15:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 10:15:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 10:15:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-29 10:15:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-29 10:15:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-29 10:15:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-29 10:15:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-29 10:15:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-29 10:15:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-29 10:15:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-29 10:15:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-29 10:15:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-29 10:15:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-29 10:15:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-29 10:15:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-29 10:15:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 10:15:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-29 10:15:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-29 10:15:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-29 10:15:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-29 10:15:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-29 10:15:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-29 10:15:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-29 10:15:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-29 10:15:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-29 10:15:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-29 10:15:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-29 10:15:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-29 10:15:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-29 10:15:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-29 10:15:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-29 10:15:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-29 10:15:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-29 10:15:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-29 10:15:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 10:15:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 10:15:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 10:15:22,348 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 10:15:22,348 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-29 10:15:22,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:15:22 BoogieIcfgContainer [2020-10-29 10:15:22,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 10:15:22,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 10:15:22,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 10:15:22,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 10:15:22,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 10:15:17" (1/3) ... [2020-10-29 10:15:22,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474fa311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:15:22, skipping insertion in model container [2020-10-29 10:15:22,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:15:19" (2/3) ... [2020-10-29 10:15:22,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474fa311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:15:22, skipping insertion in model container [2020-10-29 10:15:22,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:15:22" (3/3) ... [2020-10-29 10:15:22,360 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product25.cil.c [2020-10-29 10:15:22,372 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 10:15:22,378 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 10:15:22,391 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 10:15:22,424 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 10:15:22,425 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 10:15:22,425 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 10:15:22,425 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 10:15:22,425 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 10:15:22,425 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 10:15:22,425 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 10:15:22,426 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 10:15:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states. [2020-10-29 10:15:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-29 10:15:22,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:15:22,488 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:15:22,489 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:15:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:15:22,495 INFO L82 PathProgramCache]: Analyzing trace with hash 160862240, now seen corresponding path program 1 times [2020-10-29 10:15:22,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:15:22,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368052690] [2020-10-29 10:15:22,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:15:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:23,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:23,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:24,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:24,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:25,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:27,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:28,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:28,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-29 10:15:28,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 10:15:28,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5085 [2020-10-29 10:15:28,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:28,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:15:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-29 10:15:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:15:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 10:15:29,333 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:15:29,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:15:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:29,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:29,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:15:29,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:29,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 10:15:29,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:29,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:29,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:29,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:29,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:29,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:15:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:29,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:29,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:15:29,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:29,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:15:29,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:29,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:29,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:29,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:29,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:15:29,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:15:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:29,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:29,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:15:29,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:29,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:15:29,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:29,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:29,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:29,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:29,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:29,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:29,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:15:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:29,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:29,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:15:29,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:29,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:15:29,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:29,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:29,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:29,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:29,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 10:15:29,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:15:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:29,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:29,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:15:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:15:29,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:29,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:29,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 10:15:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:29,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:29,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:15:29,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:29,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:15:29,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:29,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:29,718 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-29 10:15:29,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 10:15:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:29,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:29,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:30,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:30,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:31,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:34,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:34,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 10:15:34,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 10:15:34,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 10:15:34,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:34,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:34,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:15:34,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-29 10:15:34,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:15:34,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 10:15:34,931 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 10:15:34,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:15:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:34,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:34,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:34,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:34,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:35,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:35,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:36,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 10:15:36,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:15:36,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1167 [2020-10-29 10:15:36,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:36,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:15:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 10:15:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:15:36,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:15:36,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:36,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:36,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:15:36,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:15:36,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 10:15:36,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:36,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:15:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:15:36,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:36,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:15:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:36,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:36,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 10:15:36,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:15:36,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-29 10:15:36,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:36,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:36,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:15:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 10:15:36,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:36,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:15:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:36,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:36,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:15:36,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:36,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 10:15:36,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:36,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:36,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:15:36,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:36,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:15:36,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:36,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:36,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:36,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:15:36,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:36,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:15:36,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:36,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:36,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 10:15:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:36,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:36,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:37,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 10:15:37,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:15:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 796 [2020-10-29 10:15:37,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:37,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:15:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 10:15:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:15:37,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:37,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:37,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:37,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:15:37,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:15:37,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 10:15:37,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:37,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:37,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:37,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:37,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:15:37,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 10:15:37,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:15:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:37,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:37,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 10:15:37,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:15:37,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-29 10:15:37,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:37,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:37,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:37,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:15:37,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 10:15:37,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:37,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:15:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:37,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:37,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:15:37,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:37,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:15:37,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:37,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:15:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:37,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:15:37,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:37,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:37,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:37,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:15:37,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:37,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:15:37,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:37,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:37,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:37,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:37,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:37,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 10:15:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:37,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:37,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:40,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:40,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:42,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:42,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 10:15:42,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:15:42,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 10:15:42,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:42,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 10:15:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 10:15:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 10:15:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:42,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:42,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:42,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:42,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:42,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:42,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:45,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:45,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 10:15:45,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:15:45,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2448 [2020-10-29 10:15:45,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:45,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 10:15:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:15:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 10:15:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:45,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:45,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:45,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:15:45,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:45,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 10:15:45,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:45,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:15:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:15:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:15:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:45,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:45,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:45,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:15:45,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:45,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:15:45,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:45,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:45,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:15:45,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:45,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:15:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:15:45,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 10:15:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:45,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:45,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:45,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:15:45,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:15:45,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:15:45,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:45,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:15:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:15:45,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:45,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:15:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:45,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:45,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:45,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:45,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:15:45,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:15:45,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 10:15:45,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:45,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:45,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 10:15:45,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 10:15:45,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:15:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:15:45,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 10:15:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:45,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:45,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:45,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:15:45,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:45,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 10:15:45,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:45,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:45,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 10:15:45,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 10:15:45,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 10:15:45,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:45,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:45,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:45,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:45,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:15:45,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:45,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:15:45,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:45,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:15:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 10:15:45,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368052690] [2020-10-29 10:15:45,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 10:15:45,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-29 10:15:45,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988336235] [2020-10-29 10:15:45,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-29 10:15:45,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:15:45,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-29 10:15:45,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2020-10-29 10:15:45,966 INFO L87 Difference]: Start difference. First operand 763 states. Second operand 27 states. [2020-10-29 10:15:47,816 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:15:49,374 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:15:50,274 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2020-10-29 10:15:51,416 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:15:55,330 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-29 10:15:56,221 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-29 10:15:56,659 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 10:15:58,089 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 10:15:58,720 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 10:15:58,904 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 10:16:00,136 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:16:01,426 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:16:02,316 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:16:03,984 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-29 10:16:04,851 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-29 10:16:07,000 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2020-10-29 10:16:08,959 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2020-10-29 10:16:13,453 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:16:14,346 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:16:15,238 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-29 10:16:16,130 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-29 10:16:17,505 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:16:18,377 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:16:21,946 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 10:16:23,813 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 10:16:24,674 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 10:16:26,353 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:16:27,446 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:16:28,398 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:16:30,002 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:16:30,869 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-29 10:16:31,824 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:16:32,406 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 10:16:34,611 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 10:16:35,678 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 10:16:35,846 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 10:16:38,342 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-29 10:16:45,697 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 10:16:46,392 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 10:16:48,232 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 10:17:23,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:17:23,402 INFO L93 Difference]: Finished difference Result 3753 states and 6901 transitions. [2020-10-29 10:17:23,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-10-29 10:17:23,405 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 139 [2020-10-29 10:17:23,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:17:23,470 INFO L225 Difference]: With dead ends: 3753 [2020-10-29 10:17:23,470 INFO L226 Difference]: Without dead ends: 3110 [2020-10-29 10:17:23,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3068 ImplicationChecksByTransitivity, 29.4s TimeCoverageRelationStatistics Valid=1435, Invalid=8267, Unknown=0, NotChecked=0, Total=9702 [2020-10-29 10:17:23,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2020-10-29 10:17:24,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 1924. [2020-10-29 10:17:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1924 states. [2020-10-29 10:17:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 3090 transitions. [2020-10-29 10:17:24,215 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 3090 transitions. Word has length 139 [2020-10-29 10:17:24,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:17:24,216 INFO L481 AbstractCegarLoop]: Abstraction has 1924 states and 3090 transitions. [2020-10-29 10:17:24,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-29 10:17:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 3090 transitions. [2020-10-29 10:17:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-29 10:17:24,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:17:24,226 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:17:24,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 10:17:24,226 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:17:24,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:17:24,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1280231191, now seen corresponding path program 1 times [2020-10-29 10:17:24,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:17:24,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036290924] [2020-10-29 10:17:24,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:17:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:24,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:24,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:24,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:24,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:25,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:25,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:27,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:29,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:29,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 10:17:29,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 10:17:29,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 10:17:29,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:29,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:17:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-29 10:17:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:17:29,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:30,282 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:17:30,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:17:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:30,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:30,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:17:30,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:30,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 10:17:30,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:30,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:30,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:30,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:17:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:30,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:30,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:17:30,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:30,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:17:30,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:30,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:30,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:30,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:30,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:17:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:30,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:30,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:17:30,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:17:30,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:30,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:30,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:30,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:17:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:30,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:17:30,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:30,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:17:30,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:30,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:30,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:30,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:30,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:30,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:30,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:17:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:30,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:30,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:17:30,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:17:30,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:30,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:30,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:30,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 10:17:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:30,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:30,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:17:30,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:17:30,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:30,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:30,706 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-29 10:17:30,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 10:17:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:30,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:31,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:31,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:34,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:35,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:35,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-29 10:17:35,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 10:17:35,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 10:17:35,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:35,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:17:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 10:17:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:17:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:35,931 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 10:17:35,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:17:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:35,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:35,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:35,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:35,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:35,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:36,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:36,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:36,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 10:17:36,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:17:36,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-10-29 10:17:36,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:36,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:36,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:17:36,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:17:36,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:17:36,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:17:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:36,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:36,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:36,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:36,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:17:36,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:17:36,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:17:36,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:36,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:36,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:17:36,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:17:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:17:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:36,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 10:17:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:36,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:36,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:36,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:36,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:36,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:36,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 10:17:36,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:17:36,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 10:17:36,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:36,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:36,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:17:36,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:17:36,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:17:36,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:37,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 10:17:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:37,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:37,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:17:37,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:37,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:17:37,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:37,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:37,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:17:37,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:37,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:17:37,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:37,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:17:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:37,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:37,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:17:37,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:37,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:17:37,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:37,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:37,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:37,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:37,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:37,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 10:17:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:37,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:37,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 10:17:37,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:17:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 542 [2020-10-29 10:17:37,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:37,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:17:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:17:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:17:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:37,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:17:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:37,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:37,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:17:37,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:17:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:17:37,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:37,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:17:37,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:37,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:17:37,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:37,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 10:17:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:37,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:37,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 10:17:37,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:17:37,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-29 10:17:37,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:37,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:37,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:17:37,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:17:37,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:17:37,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:37,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 10:17:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:37,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:17:37,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:17:37,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:37,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:17:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:17:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:37,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:17:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:37,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:37,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:17:37,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:37,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:17:37,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:37,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:37,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:37,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 10:17:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:37,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:37,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:38,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:38,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:38,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 10:17:38,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:17:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 587 [2020-10-29 10:17:38,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:38,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:17:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 10:17:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:17:38,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:38,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:17:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:38,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:38,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:38,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:38,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:38,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 10:17:38,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:17:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-29 10:17:38,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:38,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:17:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 10:17:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:17:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:38,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:17:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:38,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:38,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:38,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:17:38,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:17:38,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:38,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:17:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:17:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:38,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:17:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:38,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:38,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:17:38,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:38,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:17:38,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:38,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:38,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:38,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:38,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:38,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:38,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 10:17:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:38,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:38,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:38,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:17:38,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:38,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:17:38,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:38,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 10:17:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:38,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:17:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:38,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:39,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:39,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:17:39,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:17:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:17:39,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:39,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:17:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:17:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:17:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:39,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 10:17:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:39,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:39,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:39,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:17:39,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:39,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:17:39,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:39,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:39,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:39,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 10:17:39,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:39,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:17:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:17:39,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:17:39,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:17:39,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:17:39,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:17:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:17:39,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:17:39,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:17:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:17:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:17:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:17:39,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:17:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-29 10:17:39,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036290924] [2020-10-29 10:17:39,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 10:17:39,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-29 10:17:39,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324207817] [2020-10-29 10:17:39,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-29 10:17:39,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:17:39,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-29 10:17:39,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2020-10-29 10:17:39,190 INFO L87 Difference]: Start difference. First operand 1924 states and 3090 transitions. Second operand 21 states. [2020-10-29 10:17:41,042 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:17:42,442 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-29 10:17:43,433 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-29 10:17:44,579 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-29 10:17:48,530 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:17:49,619 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:17:50,547 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:17:50,763 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-29 10:17:51,544 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 10:17:53,550 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 10:18:02,699 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:18:03,638 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:18:04,510 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:18:04,698 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 10:18:05,181 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 10:18:29,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:18:29,821 INFO L93 Difference]: Finished difference Result 7160 states and 12974 transitions. [2020-10-29 10:18:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-29 10:18:29,823 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 145 [2020-10-29 10:18:29,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:18:29,877 INFO L225 Difference]: With dead ends: 7160 [2020-10-29 10:18:29,878 INFO L226 Difference]: Without dead ends: 5257 [2020-10-29 10:18:29,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=508, Invalid=2462, Unknown=0, NotChecked=0, Total=2970 [2020-10-29 10:18:29,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5257 states. [2020-10-29 10:18:31,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5257 to 3266. [2020-10-29 10:18:31,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3266 states. [2020-10-29 10:18:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 3266 states and 5258 transitions. [2020-10-29 10:18:31,194 INFO L78 Accepts]: Start accepts. Automaton has 3266 states and 5258 transitions. Word has length 145 [2020-10-29 10:18:31,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:18:31,194 INFO L481 AbstractCegarLoop]: Abstraction has 3266 states and 5258 transitions. [2020-10-29 10:18:31,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-29 10:18:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3266 states and 5258 transitions. [2020-10-29 10:18:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-29 10:18:31,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:18:31,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:18:31,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 10:18:31,201 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:18:31,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:18:31,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1762232743, now seen corresponding path program 1 times [2020-10-29 10:18:31,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:18:31,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835329872] [2020-10-29 10:18:31,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:18:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:31,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:31,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:31,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:31,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:31,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:31,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:36,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:36,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-29 10:18:36,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:18:36,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-29 10:18:36,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:36,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:18:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 10:18:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 10:18:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:37,362 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:18:37,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:18:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:37,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:37,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:18:37,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:37,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 10:18:37,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:37,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:37,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:37,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:37,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:37,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:37,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:18:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:37,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:37,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:37,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:18:37,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:37,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:18:37,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:37,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:37,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:37,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:18:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:37,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:37,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:37,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:18:37,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:37,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:18:37,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:37,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:37,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:37,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:37,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:37,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:37,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:18:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:37,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:37,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:37,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:18:37,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:37,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:18:37,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:37,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:37,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:18:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:37,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:37,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:37,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:18:37,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:37,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:18:37,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:37,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:37,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:37,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:37,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:37,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:37,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 10:18:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:37,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:37,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:37,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:18:37,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:37,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:18:37,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:37,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:37,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:37,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:37,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:37,814 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-29 10:18:37,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 10:18:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:37,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:37,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:37,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:37,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:38,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:38,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:40,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:42,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:42,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 10:18:42,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:18:42,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 10:18:42,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:42,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:18:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-29 10:18:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 10:18:42,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:43,035 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 10:18:43,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:18:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:43,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:43,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:43,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:43,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:43,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:43,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:44,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 10:18:44,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:18:44,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 997 [2020-10-29 10:18:44,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:44,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:18:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 10:18:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 10:18:44,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:44,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:18:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:44,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:44,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:18:44,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:18:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 10:18:44,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:44,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:18:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:18:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:44,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:18:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:44,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:44,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 10:18:44,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:18:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 10:18:44,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:44,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:44,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:18:44,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:18:44,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:18:44,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:44,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 10:18:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:44,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:44,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:18:44,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:44,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:18:44,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:44,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:44,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:18:44,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:44,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:18:44,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:18:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:44,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:44,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:18:44,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:44,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:18:44,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:44,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:44,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:44,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:44,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:44,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 10:18:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:44,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:44,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 10:18:44,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:18:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 541 [2020-10-29 10:18:44,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:44,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:18:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 10:18:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 10:18:44,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:18:44,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:18:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:44,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:44,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:44,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:18:44,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:18:44,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:44,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:18:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:18:44,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:18:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 10:18:45,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:18:45,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-29 10:18:45,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:18:45,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:18:45,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:18:45,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 10:18:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:18:45,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:18:45,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:18:45,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:45,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:18:45,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:18:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:18:45,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:18:45,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:45,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 10:18:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 10:18:45,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:18:45,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-29 10:18:45,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:18:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-29 10:18:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:18:45,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:18:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 10:18:45,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 10:18:45,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:18:45,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-29 10:18:45,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:18:45,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:18:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 10:18:45,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:18:45,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:45,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:45,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:45,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:18:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:18:45,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:18:45,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:45,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 10:18:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:18:45,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:18:45,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:45,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:45,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:45,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 10:18:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:18:45,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:18:45,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:18:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:18:45,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 10:18:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:18:45,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:18:45,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:45,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:18:45,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:45,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 10:18:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 10:18:45,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:18:45,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 10:18:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:18:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:18:45,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:18:45,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:18:45,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:18:45,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:18:45,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:18:45,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:18:45,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:18:45,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:18:45,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:18:45,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:18:45,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:18:45,849 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-29 10:18:45,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835329872] [2020-10-29 10:18:45,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 10:18:45,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-29 10:18:45,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020155575] [2020-10-29 10:18:45,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-29 10:18:45,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:18:45,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-29 10:18:45,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2020-10-29 10:18:45,851 INFO L87 Difference]: Start difference. First operand 3266 states and 5258 transitions. Second operand 21 states. [2020-10-29 10:18:47,897 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:18:48,784 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:18:49,712 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:18:50,614 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:18:51,601 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-29 10:18:52,489 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 414