/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:28:27,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:28:27,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:28:27,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:28:27,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:28:27,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:28:27,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:28:27,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:28:27,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:28:27,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:28:27,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:28:27,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:28:27,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:28:27,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:28:27,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:28:27,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:28:27,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:28:27,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:28:27,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:28:27,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:28:27,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:28:27,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:28:27,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:28:27,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:28:27,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:28:27,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:28:27,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:28:27,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:28:27,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:28:27,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:28:27,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:28:27,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:28:27,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:28:27,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:28:27,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:28:27,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:28:27,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:28:27,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:28:27,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:28:27,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:28:27,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:28:27,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:28:27,327 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:28:27,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:28:27,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:28:27,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:28:27,329 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:28:27,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:28:27,330 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:28:27,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:28:27,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:28:27,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:28:27,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:28:27,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:28:27,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:28:27,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:28:27,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:28:27,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:28:27,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:28:27,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:28:27,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:28:27,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:28:27,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:28:27,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:28:27,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:28:27,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:28:27,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:28:27,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:28:27,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:28:27,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:28:27,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:28:27,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:28:27,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:28:27,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:28:27,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:28:27,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:28:27,728 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:28:27,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product29.cil.c [2020-10-27 02:28:27,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cc32370b/af57e7e6cec44c84bfbdf7299db127e3/FLAG341a97b84 [2020-10-27 02:28:28,694 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:28:28,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product29.cil.c [2020-10-27 02:28:28,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cc32370b/af57e7e6cec44c84bfbdf7299db127e3/FLAG341a97b84 [2020-10-27 02:28:28,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cc32370b/af57e7e6cec44c84bfbdf7299db127e3 [2020-10-27 02:28:28,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:28:28,894 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:28:28,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:28:28,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:28:28,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:28:28,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:28:28" (1/1) ... [2020-10-27 02:28:28,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5955b253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:28, skipping insertion in model container [2020-10-27 02:28:28,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:28:28" (1/1) ... [2020-10-27 02:28:28,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:28:29,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:28:29,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:28:29,800 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:28:29,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:28:30,083 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:28:30,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30 WrapperNode [2020-10-27 02:28:30,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:28:30,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:28:30,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:28:30,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:28:30,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30" (1/1) ... [2020-10-27 02:28:30,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30" (1/1) ... [2020-10-27 02:28:30,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30" (1/1) ... [2020-10-27 02:28:30,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30" (1/1) ... [2020-10-27 02:28:30,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30" (1/1) ... [2020-10-27 02:28:30,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30" (1/1) ... [2020-10-27 02:28:30,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30" (1/1) ... [2020-10-27 02:28:30,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:28:30,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:28:30,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:28:30,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:28:30,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:28:30,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:28:30,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:28:30,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:28:30,395 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:28:30,395 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:28:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:28:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:28:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:28:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:28:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:28:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:28:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:28:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:28:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:28:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:28:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:28:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:28:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:28:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:28:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:28:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:28:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:28:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:28:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:28:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:28:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:28:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:28:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:28:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:28:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:28:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:28:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:28:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:28:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:28:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:28:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:28:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:28:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:28:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:28:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:28:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:28:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:28:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:28:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:28:30,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:28:30,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:28:30,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:28:30,402 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:28:30,402 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:28:30,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:28:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:28:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:28:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:28:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:28:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:28:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:28:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:28:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:28:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:28:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:28:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:28:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:28:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:28:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:28:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:28:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:28:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:28:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:28:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:28:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:28:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:28:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:28:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:28:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:28:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:28:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:28:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:28:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:28:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:28:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:28:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:28:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:28:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:28:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:28:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:28:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:28:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:28:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:28:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:28:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:28:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:28:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:28:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:28:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:28:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:28:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:28:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:28:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:28:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:28:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:28:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:28:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:28:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:28:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:28:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:28:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:28:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:28:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:28:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:28:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:28:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:28:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:28:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:28:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:28:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:28:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:28:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:28:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:28:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:28:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:28:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:28:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:28:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:28:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:28:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:28:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:28:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:28:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:28:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:28:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:28:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:28:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:28:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:28:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:28:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:28:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:28:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:28:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:28:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:28:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:28:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:28:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:28:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:28:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:28:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:28:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:28:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:28:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:28:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:28:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:28:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:28:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:28:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:28:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:28:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:28:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:28:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:28:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:28:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:28:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:28:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:28:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:28:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:28:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:28:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:28:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:28:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:28:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:28:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:28:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:28:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:28:33,577 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:28:33,578 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:28:33,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:33 BoogieIcfgContainer [2020-10-27 02:28:33,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:28:33,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:28:33,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:28:33,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:28:33,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:28:28" (1/3) ... [2020-10-27 02:28:33,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455cf167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:33, skipping insertion in model container [2020-10-27 02:28:33,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:30" (2/3) ... [2020-10-27 02:28:33,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455cf167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:33, skipping insertion in model container [2020-10-27 02:28:33,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:33" (3/3) ... [2020-10-27 02:28:33,596 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product29.cil.c [2020-10-27 02:28:33,609 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:28:33,615 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:28:33,630 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:28:33,680 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:28:33,680 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:28:33,680 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:28:33,680 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:28:33,680 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:28:33,680 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:28:33,681 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:28:33,681 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:28:33,730 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states. [2020-10-27 02:28:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 02:28:33,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:28:33,767 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:28:33,767 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:28:33,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:28:33,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1985866032, now seen corresponding path program 1 times [2020-10-27 02:28:33,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:28:33,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049225960] [2020-10-27 02:28:33,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:28:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:34,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:34,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:34,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:35,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:35,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:37,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:37,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:39,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:39,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 02:28:39,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:28:39,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5081 [2020-10-27 02:28:39,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:39,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:28:39,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:28:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 02:28:39,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:28:41,539 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:28:41,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:28:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:41,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-27 02:28:41,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:41,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:28:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:41,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:41,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:41,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:28:41,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:28:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:41,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:41,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:41,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:41,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:28:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:41,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:28:41,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:41,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:28:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:41,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:41,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:28:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:41,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:28:41,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:41,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:28:42,384 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:28:42,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:28:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:42,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:42,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:42,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:42,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:43,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:44,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:47,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:47,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 02:28:47,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:28:47,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 02:28:47,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:28:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:47,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:47,754 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:28:47,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:28:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:47,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:47,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:47,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:47,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:48,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:48,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:28:48,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:28:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-10-27 02:28:48,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:28:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:48,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:48,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:48,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:48,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:48,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:48,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:28:48,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:28:48,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:28:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:48,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:28:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:48,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:48,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:48,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:48,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:28:48,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:48,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 02:28:48,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:48,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:48,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:28:48,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:28:48,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:48,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:28:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:48,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:48,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:48,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:48,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:48,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:48,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:28:48,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:48,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:28:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:48,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:48,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:50,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:50,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:51,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:51,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 02:28:51,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:28:51,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3226 [2020-10-27 02:28:51,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 02:28:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 02:28:51,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:28:51,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:51,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:51,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:52,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:53,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 02:28:53,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:28:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1504 [2020-10-27 02:28:53,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:28:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 02:28:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:28:53,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:53,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:53,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:28:53,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:53,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:28:53,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:53,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:28:53,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:53,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:28:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:53,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:53,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:53,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:53,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:28:53,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:53,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:53,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:28:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:53,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:53,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:53,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:53,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:53,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:53,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:53,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:28:53,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:53,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:28:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:53,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:53,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:28:53,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:53,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 02:28:53,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:53,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:53,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:28:53,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:28:53,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:53,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:53,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:53,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:53,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:28:53,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:28:53,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:28:53,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:28:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:53,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:53,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:28:53,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:53,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:28:53,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:53,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:28:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:53,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 02:28:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:53,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:53,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:28:53,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:53,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:53,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:28:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:53,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:28:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:53,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:53,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:53,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:28:53,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 02:28:53,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:28:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:54,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:54,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:54,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:54,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:54,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:54,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:54,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:54,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:54,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:54,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:54,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:54,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:54,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:54,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:54,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:54,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 02:28:54,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049225960] [2020-10-27 02:28:54,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:28:54,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-27 02:28:54,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834567468] [2020-10-27 02:28:54,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:28:54,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:28:54,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:28:54,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:28:54,329 INFO L87 Difference]: Start difference. First operand 784 states. Second operand 20 states. [2020-10-27 02:28:58,530 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:28:59,578 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:29:02,167 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:29:04,649 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:29:07,410 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:29:12,763 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 428 [2020-10-27 02:29:14,399 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-27 02:29:16,977 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:29:19,658 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-27 02:29:24,115 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 02:29:24,714 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:29:29,062 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:29:32,468 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:29:36,491 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:29:39,296 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:29:42,003 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:29:43,030 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:29:43,795 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:29:44,375 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:29:55,232 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 02:29:56,405 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:30:19,289 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:30:22,056 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:30:24,695 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:30:25,723 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:30:36,425 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:30:38,984 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:30:39,581 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 02:30:43,866 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:30:46,377 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 02:30:48,809 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:30:49,862 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-27 02:30:52,296 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:30:57,033 WARN L193 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 427 DAG size of output: 420 [2020-10-27 02:30:59,176 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-27 02:31:03,931 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 02:31:09,270 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:31:11,832 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:31:14,339 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:31:15,053 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 02:31:15,557 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:31:16,015 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:31:21,823 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:31:24,249 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:31:25,188 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:31:27,873 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:31:30,287 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:31:32,620 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:31:33,104 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:31:33,600 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:31:35,223 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:31:41,145 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:31:50,215 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:31:55,471 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 02:31:57,215 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:32:02,155 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-27 02:32:04,145 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:32:25,979 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:32:28,597 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:32:31,128 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:32:32,087 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 131