/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_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:12:48,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:12:48,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:12:48,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:12:48,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:12:48,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:12:48,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:12:48,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:12:48,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:12:48,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:12:48,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:12:48,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:12:48,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:12:48,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:12:48,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:12:48,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:12:48,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:12:48,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:12:48,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:12:48,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:12:48,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:12:48,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:12:48,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:12:48,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:12:48,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:12:48,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:12:48,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:12:48,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:12:48,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:12:48,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:12:48,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:12:48,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:12:48,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:12:48,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:12:48,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:12:48,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:12:48,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:12:48,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:12:48,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:12:48,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:12:48,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:12:48,408 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 02:12:48,458 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:12:48,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:12:48,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:12:48,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:12:48,463 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:12:48,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:12:48,463 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:12:48,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:12:48,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:12:48,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:12:48,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:12:48,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:12:48,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:12:48,466 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:12:48,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:12:48,466 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:12:48,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:12:48,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:12:48,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:12:48,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:12:48,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:12:48,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:12:48,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:12:48,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:12:48,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:12:48,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:12:48,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:12:48,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:12:48,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:12:48,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:12:48,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:12:48,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:12:48,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:12:48,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:12:48,951 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:12:48,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-27 02:12:49,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ee9747f8/81375d114e43472787f4de78052d9410/FLAGbb431b66d [2020-10-27 02:12:49,775 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:12:49,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-27 02:12:49,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ee9747f8/81375d114e43472787f4de78052d9410/FLAGbb431b66d [2020-10-27 02:12:49,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ee9747f8/81375d114e43472787f4de78052d9410 [2020-10-27 02:12:49,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:12:49,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:12:49,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:12:49,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:12:49,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:12:49,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:12:49" (1/1) ... [2020-10-27 02:12:49,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8a7420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:49, skipping insertion in model container [2020-10-27 02:12:49,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:12:49" (1/1) ... [2020-10-27 02:12:49,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:12:50,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:12:50,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:12:50,765 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:12:50,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:12:51,054 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:12:51,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51 WrapperNode [2020-10-27 02:12:51,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:12:51,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:12:51,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:12:51,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:12:51,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51" (1/1) ... [2020-10-27 02:12:51,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51" (1/1) ... [2020-10-27 02:12:51,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51" (1/1) ... [2020-10-27 02:12:51,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51" (1/1) ... [2020-10-27 02:12:51,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51" (1/1) ... [2020-10-27 02:12:51,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51" (1/1) ... [2020-10-27 02:12:51,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51" (1/1) ... [2020-10-27 02:12:51,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:12:51,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:12:51,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:12:51,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:12:51,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51" (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 02:12:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:12:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:12:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:12:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:12:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:12:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:12:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:12:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:12:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:12:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:12:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:12:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:12:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:12:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:12:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:12:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:12:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:12:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:12:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:12:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:12:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:12:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:12:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:12:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:12:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:12:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:12:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:12:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:12:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:12:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:12:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:12:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:12:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:12:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:12:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:12:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:12:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:12:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:12:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:12:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:12:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:12:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:12:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:12:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:12:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:12:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:12:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:12:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:12:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:12:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:12:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:12:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:12:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:12:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:12:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:12:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:12:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:12:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:12:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:12:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:12:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:12:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:12:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:12:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:12:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:12:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:12:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:12:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:12:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:12:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:12:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-27 02:12:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:12:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-27 02:12:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:12:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:12:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:12:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:12:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:12:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:12:51,434 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:12:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:12:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:12:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:12:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:12:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:12:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:12:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:12:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:12:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:12:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:12:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:12:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:12:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:12:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:12:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:12:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:12:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:12:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:12:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:12:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:12:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:12:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:12:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:12:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:12:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:12:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:12:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:12:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:12:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:12:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:12:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:12:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:12:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:12:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:12:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:12:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:12:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:12:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:12:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:12:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:12:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:12:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:12:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:12:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:12:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:12:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:12:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:12:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:12:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:12:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:12:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:12:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:12:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:12:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:12:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:12:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:12:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:12:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:12:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:12:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:12:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:12:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:12:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:12:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:12:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:12:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:12:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:12:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:12:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:12:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:12:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:12:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:12:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:12:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:12:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:12:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:12:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:12:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:12:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:12:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:12:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:12:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:12:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:12:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:12:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:12:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:12:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-27 02:12:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:12:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-27 02:12:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:12:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:12:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:12:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:12:53,986 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:12:53,986 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:12:53,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:12:53 BoogieIcfgContainer [2020-10-27 02:12:53,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:12:53,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:12:53,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:12:54,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:12:54,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:12:49" (1/3) ... [2020-10-27 02:12:54,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de35286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:12:54, skipping insertion in model container [2020-10-27 02:12:54,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:12:51" (2/3) ... [2020-10-27 02:12:54,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de35286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:12:54, skipping insertion in model container [2020-10-27 02:12:54,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:12:53" (3/3) ... [2020-10-27 02:12:54,004 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product22.cil.c [2020-10-27 02:12:54,018 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:12:54,024 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:12:54,038 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:12:54,080 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:12:54,081 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:12:54,081 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:12:54,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:12:54,081 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:12:54,081 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:12:54,081 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:12:54,081 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:12:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states. [2020-10-27 02:12:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 02:12:54,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:12:54,166 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] [2020-10-27 02:12:54,167 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 02:12:54,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:12:54,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1928824035, now seen corresponding path program 1 times [2020-10-27 02:12:54,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:12:54,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566894843] [2020-10-27 02:12:54,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:12:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:54,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:55,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:55,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:55,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:56,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:56,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:57,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:59,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:59,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 02:12:59,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:12:59,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-27 02:12:59,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:12:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:12:59,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:13:00,983 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:13:00,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:01,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:01,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:01,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:01,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 02:13:01,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:01,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:13:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:01,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:01,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:01,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:01,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:01,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:01,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:01,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:13:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:01,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:01,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:01,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:13:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:01,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:01,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:01,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:01,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:01,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:01,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:13:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:01,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:01,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:01,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:01,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:01,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:01,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:01,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:13:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:01,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:01,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:01,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:01,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:13:01,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:01,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:01,504 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:13:01,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:13:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:01,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:01,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:02,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:06,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 02:13:06,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:13:06,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 02:13:06,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:13:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:13:06,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:06,762 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:13:06,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:06,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:07,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:07,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:13:07,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:13:07,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1101 [2020-10-27 02:13:07,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:07,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:07,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:07,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:13:07,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:07,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:07,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:07,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:07,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:07,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:07,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:13:07,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:07,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:07,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:07,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:13:07,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:07,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:13:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:07,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:07,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:08,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:13:08,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 02:13:08,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:08,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:13:08,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:08,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:13:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:08,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:08,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:08,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:08,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:13:08,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:08,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:08,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:08,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:08,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:08,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:08,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:08,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:08,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:08,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:08,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:13:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:08,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:08,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:13:09,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:13:09,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1357 [2020-10-27 02:13:09,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:09,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:09,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:13:09,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:09,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:09,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:09,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:13:09,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:13:09,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:13:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:09,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:13:09,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:09,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 02:13:09,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:13:09,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:09,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:13:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:09,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:09,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:09,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:13:09,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:09,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:09,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:09,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:09,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:09,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:09,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:09,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:09,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:09,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:13:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:13:09,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:09,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 02:13:09,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 02:13:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:09,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:09,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:13:09,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:09,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:13:09,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:09,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:09,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:09,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:09,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:09,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:09,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:09,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:09,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:09,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:09,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:09,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:09,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:13:09,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:09,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:13:09,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:09,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:09,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:09,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:09,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:09,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:09,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:09,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:09,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:09,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:09,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:09,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:09,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:13:10,090 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 02:13:10,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566894843] [2020-10-27 02:13:10,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:13:10,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 02:13:10,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552091253] [2020-10-27 02:13:10,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:13:10,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:13:10,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:13:10,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:13:10,119 INFO L87 Difference]: Start difference. First operand 794 states. Second operand 13 states. [2020-10-27 02:13:13,070 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:13:14,426 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:13:16,035 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:13:40,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:13:40,432 INFO L93 Difference]: Finished difference Result 1535 states and 2575 transitions. [2020-10-27 02:13:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:13:40,439 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-27 02:13:40,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:13:40,470 INFO L225 Difference]: With dead ends: 1535 [2020-10-27 02:13:40,470 INFO L226 Difference]: Without dead ends: 900 [2020-10-27 02:13:40,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:13:40,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-27 02:13:40,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 630. [2020-10-27 02:13:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-10-27 02:13:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 998 transitions. [2020-10-27 02:13:40,816 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 998 transitions. Word has length 117 [2020-10-27 02:13:40,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:13:40,817 INFO L481 AbstractCegarLoop]: Abstraction has 630 states and 998 transitions. [2020-10-27 02:13:40,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:13:40,817 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 998 transitions. [2020-10-27 02:13:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 02:13:40,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:13:40,825 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] [2020-10-27 02:13:40,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:13:40,825 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:13:40,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:13:40,826 INFO L82 PathProgramCache]: Analyzing trace with hash -837510686, now seen corresponding path program 1 times [2020-10-27 02:13:40,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:13:40,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86214623] [2020-10-27 02:13:40,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:13:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:40,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:41,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:41,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:41,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:41,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:41,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:42,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:45,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:45,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 02:13:45,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:13:45,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-27 02:13:45,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:13:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:45,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:47,351 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:13:47,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:47,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:47,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:47,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 02:13:47,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:47,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:13:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:47,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:47,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:47,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:47,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:47,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:47,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:47,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:13:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:47,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:47,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:47,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:47,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:47,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:47,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:47,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:13:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:47,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:47,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:47,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:47,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:47,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:47,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:47,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:47,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:13:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:47,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:47,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:47,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:47,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:47,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:47,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:47,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:13:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:47,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:47,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:47,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:47,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:47,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:47,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:47,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:47,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:47,749 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:13:47,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:13:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:47,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:47,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:48,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:49,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:50,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:50,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:52,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:52,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 02:13:52,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:13:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 02:13:52,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:13:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:52,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:52,952 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:13:52,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:52,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:52,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:53,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:13:53,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:13:53,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-10-27 02:13:53,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:53,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:53,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:53,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:53,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:13:53,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:53,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:13:53,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:13:53,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:53,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:53,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:53,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:13:53,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:53,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 02:13:53,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:53,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:53,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:13:53,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:53,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:13:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:53,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:53,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:53,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:53,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:13:53,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:53,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:53,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:53,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:53,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:53,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:53,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:53,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:53,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:53,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:53,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:53,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:13:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:53,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:13:54,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:13:54,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 725 [2020-10-27 02:13:54,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:54,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:13:54,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:54,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:13:54,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:13:54,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:54,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:13:54,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:13:54,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:13:54,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:54,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:13:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:54,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:54,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:13:54,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:54,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:54,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:54,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:54,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:54,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:54,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:54,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:54,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:54,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:54,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:54,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:13:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:13:54,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:54,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:13:54,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:13:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:54,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:54,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:13:54,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:54,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:13:54,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:54,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:54,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:54,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:54,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:54,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:13:54,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:54,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:54,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:54,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:54,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:54,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:54,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:13:54,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:54,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 02:13:55,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86214623] [2020-10-27 02:13:55,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:13:55,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 02:13:55,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452544986] [2020-10-27 02:13:55,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:13:55,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:13:55,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:13:55,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:13:55,015 INFO L87 Difference]: Start difference. First operand 630 states and 998 transitions. Second operand 13 states. [2020-10-27 02:13:57,481 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:13:58,724 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:14:00,206 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:19,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:14:19,931 INFO L93 Difference]: Finished difference Result 1509 states and 2509 transitions. [2020-10-27 02:14:19,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:14:19,932 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-27 02:14:19,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:14:19,942 INFO L225 Difference]: With dead ends: 1509 [2020-10-27 02:14:19,942 INFO L226 Difference]: Without dead ends: 900 [2020-10-27 02:14:19,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:14:19,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-27 02:14:20,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 630. [2020-10-27 02:14:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-10-27 02:14:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 992 transitions. [2020-10-27 02:14:20,135 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 992 transitions. Word has length 123 [2020-10-27 02:14:20,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:14:20,136 INFO L481 AbstractCegarLoop]: Abstraction has 630 states and 992 transitions. [2020-10-27 02:14:20,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:14:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 992 transitions. [2020-10-27 02:14:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 02:14:20,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:14:20,140 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] [2020-10-27 02:14:20,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:14:20,141 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:14:20,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:14:20,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1399718548, now seen corresponding path program 1 times [2020-10-27 02:14:20,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:14:20,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405991624] [2020-10-27 02:14:20,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:14:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:20,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:20,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:20,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:20,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:20,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:21,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:25,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:25,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 02:14:25,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:14:25,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 02:14:25,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:14:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:14:25,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:26,433 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:14:26,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:26,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:26,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:26,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:26,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:26,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 02:14:26,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:26,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:26,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:26,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:26,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:26,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:26,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:26,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:26,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:26,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:26,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:26,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:26,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:26,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:26,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:26,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:26,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:26,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:26,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:26,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:26,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:26,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:14:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:26,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:26,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:26,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:26,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:26,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:26,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:26,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:26,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:14:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:26,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:26,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:26,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:26,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:26,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:26,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:26,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:26,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:14:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:26,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:26,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:26,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:26,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:26,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:26,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:26,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:26,803 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:14:26,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:14:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:26,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:26,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:26,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:26,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:27,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:28,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:28,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:31,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:31,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 02:14:31,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:14:31,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 02:14:31,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:31,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:31,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:14:31,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:14:31,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:32,021 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:14:32,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:32,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:32,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:32,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:32,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:32,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:32,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:14:32,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:14:32,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-10-27 02:14:32,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:14:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:14:32,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:32,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:32,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:32,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:14:32,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:32,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:32,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:32,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:32,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:32,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:14:32,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:32,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:33,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:33,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:14:33,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:33,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 02:14:33,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:33,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:33,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:33,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:14:33,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:14:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:33,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:33,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:33,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:33,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:14:33,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:33,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:33,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:33,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:33,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:33,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:33,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:33,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:33,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:33,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:14:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:33,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:33,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:14:33,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:14:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-27 02:14:33,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:14:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:14:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:14:33,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:33,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:33,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:33,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:14:33,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:33,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:14:33,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:33,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:33,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:14:33,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:14:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 02:14:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:14:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:14:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:33,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:14:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:33,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:33,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:33,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:33,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 02:14:33,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:33,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:14:33,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:33,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:14:33,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:33,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:33,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:33,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:33,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:33,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:33,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:14:33,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:14:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:33,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:34,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 02:14:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:34,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:34,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:34,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:14:34,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:34,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 02:14:34,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:34,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:14:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:34,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:34,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:34,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:34,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:34,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:14:34,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:34,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:14:34,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:34,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:34,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:34,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:34,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:34,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:34,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:34,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:34,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:14:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:34,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:34,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:34,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:14:34,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:34,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:34,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:34,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:34,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:34,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:34,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:34,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:34,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:34,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:34,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:34,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:34,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 02:14:34,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405991624] [2020-10-27 02:14:34,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:14:34,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 02:14:34,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249359564] [2020-10-27 02:14:34,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:14:34,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:14:34,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:14:34,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:14:34,272 INFO L87 Difference]: Start difference. First operand 630 states and 992 transitions. Second operand 20 states. [2020-10-27 02:14:37,122 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:38,413 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:14:39,909 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:41,195 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:14:42,754 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:44,192 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:14:45,654 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:14:46,899 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:48,316 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:14:49,772 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:14:52,157 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:53,970 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:55,264 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:14:56,588 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:14:58,700 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:59,953 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:15:22,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:15:22,489 INFO L93 Difference]: Finished difference Result 1588 states and 2643 transitions. [2020-10-27 02:15:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 02:15:22,490 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 127 [2020-10-27 02:15:22,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:15:22,500 INFO L225 Difference]: With dead ends: 1588 [2020-10-27 02:15:22,500 INFO L226 Difference]: Without dead ends: 988 [2020-10-27 02:15:22,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 22.6s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-10-27 02:15:22,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2020-10-27 02:15:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 699. [2020-10-27 02:15:22,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-10-27 02:15:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1099 transitions. [2020-10-27 02:15:22,711 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1099 transitions. Word has length 127 [2020-10-27 02:15:22,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:15:22,711 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 1099 transitions. [2020-10-27 02:15:22,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 02:15:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1099 transitions. [2020-10-27 02:15:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 02:15:22,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:15:22,715 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:15:22,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:15:22,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:15:22,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:15:22,716 INFO L82 PathProgramCache]: Analyzing trace with hash 2039587329, now seen corresponding path program 1 times [2020-10-27 02:15:22,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:15:22,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861423021] [2020-10-27 02:15:22,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:15:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:22,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:22,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:22,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:23,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:23,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:23,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:23,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:24,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:27,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:27,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 02:15:27,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:15:27,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5122 [2020-10-27 02:15:27,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:27,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:27,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:15:27,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:15:27,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:29,130 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:15:29,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:29,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:29,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:29,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:29,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:15:29,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:29,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:29,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:15:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:29,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:29,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:29,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:29,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:29,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:15:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:29,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:29,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:29,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:29,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:29,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:29,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:29,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:29,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:29,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:15:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:29,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:29,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:29,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:29,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:29,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:15:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:29,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:29,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:29,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:29,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:29,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:15:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:29,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:29,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:29,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:29,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:29,503 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:15:29,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:15:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:29,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:29,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:30,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:31,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:32,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:32,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:32,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:34,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:34,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 02:15:34,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 02:15:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:15:34,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:15:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:15:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:34,712 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:15:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:34,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:34,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:34,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:34,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:34,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:35,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 02:15:35,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:15:35,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 603 [2020-10-27 02:15:35,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:35,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:35,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:15:35,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:15:35,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:35,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:35,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:35,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:15:35,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:35,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:15:35,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:35,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:15:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:35,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:35,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 02:15:35,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:35,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:15:35,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:15:35,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:35,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:15:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:35,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:35,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:15:35,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:35,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:15:35,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:35,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:15:35,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:35,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:15:35,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:35,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:35,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:35,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:35,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:35,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:35,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:35,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:35,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 02:15:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:35,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 02:15:36,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:15:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 799 [2020-10-27 02:15:36,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:15:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:15:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:15:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:36,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:36,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:15:36,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:36,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:15:36,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:15:36,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:36,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:15:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:36,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:15:36,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:15:36,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-10-27 02:15:36,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:15:36,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:36,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:15:36,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:36,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:15:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:36,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:15:36,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:15:36,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 02:15:36,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:15:36,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:36,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:15:36,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:15:36,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:15:36,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:15:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:15:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:36,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 02:15:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:36,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:15:36,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:36,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:15:36,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:36,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:15:36,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:36,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:36,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:36,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:15:36,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:15:36,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:36,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:36,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:36,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:36,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:36,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:36,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:36,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:36,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:36,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:15:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:36,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:15:36,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:36,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:36,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:36,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:36,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:36,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:36,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:36,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:36,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:36,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 02:15:37,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861423021] [2020-10-27 02:15:37,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:15:37,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 02:15:37,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532109316] [2020-10-27 02:15:37,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:15:37,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:15:37,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:15:37,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:15:37,015 INFO L87 Difference]: Start difference. First operand 699 states and 1099 transitions. Second operand 20 states. [2020-10-27 02:15:39,721 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:15:41,038 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:15:42,363 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:15:43,820 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:45,159 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:15:46,963 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:15:48,224 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:15:49,720 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:51,148 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:15:52,412 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:15:53,860 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:15:56,848 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:15:58,741 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:16:00,141 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:16:01,643 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:16:03,813 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:16:05,171 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 419